{"id":1744,"date":"2020-05-06T11:52:45","date_gmt":"2020-05-06T09:52:45","guid":{"rendered":"http:\/\/47.102.104.217\/?page_id=1744"},"modified":"2021-10-13T18:38:28","modified_gmt":"2021-10-13T10:38:28","slug":"nvh-testing","status":"publish","type":"page","link":"https:\/\/www.atesteo-grc.com\/en\/testing\/nvh-testing\/","title":{"rendered":"NVH Testing"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 atesteo-submenu nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-widget-area awb-widget-area-element fusion-widget-area-1 fusion-content-widget-area\" style=\"--awb-title-color:#008684;--awb-padding:0px 0px 0px 0px;\" id=\"atesteo-submenu-widget\"><div id=\"menu-widget-4\" class=\"widget menu\" style=\"border-style: solid;border-color:transparent;border-width:0px;\"><div id=\"menu-widget-8\" class=\"widget menu\" style=\"border-style: solid;border-color:transparent;border-width:0px;\"><style type=\"text\/css\">#menu-widget-8{text-align:center;}#fusion-menu-widget-8 li{display:inline-block;}#fusion-menu-widget-8 ul li a{display:inline-block;padding:0;border:0;color:#ffffff;font-size:;}#fusion-menu-widget-8 ul li a:after{content:\"\";color:#ffffff;padding-right:;padding-left:;font-size:;}#fusion-menu-widget-8 ul li a:hover,#fusion-menu-widget-8 ul .menu-item.current-menu-item a{color:#ffffff;}#fusion-menu-widget-8 ul li:last-child a:after{display:none;}#fusion-menu-widget-8 ul li .fusion-widget-cart-number{margin:0 7px;background-color:#ffffff;color:#ffffff;}#fusion-menu-widget-8 ul li.fusion-active-cart-icon .fusion-widget-cart-icon:after{color:#ffffff;}<\/style><nav id=\"fusion-menu-widget-8\" class=\"fusion-widget-menu\" aria-label=\"Secondary Navigation: \"><ul id=\"menu-testing-en\" class=\"menu\"><li id=\"menu-item-4587\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4587\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/endurance-testing\/\">Endurance testing<\/a><\/li><li id=\"menu-item-1806\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1806\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/e-mobility\/\">E-Mobility Testing<\/a><\/li><li id=\"menu-item-1807\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1807\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/nvh-testing\/\">NVH Testing<\/a><\/li><li id=\"menu-item-1808\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1808\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/environmental-simulation\/\">Environmental simulation<\/a><\/li><li id=\"menu-item-2183\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2183\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/test-bench-equipment\/\">Test bench equipment<\/a><\/li><li id=\"menu-item-4609\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4609\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/efficiency-testing\/\">Efficiency testing<\/a><\/li><li id=\"menu-item-4603\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4603\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/functional-testing\/\">Functional testing<\/a><\/li><li id=\"menu-item-2191\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-2191\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/vehicle-testing-road-tests\/\">Vehicle testing \/ Road tests<\/a><\/li><li id=\"menu-item-1809\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1809\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/component-testing-brakes\/\">Component testing brakes<\/a><\/li><li id=\"menu-item-3682\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3682\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/hot-gas-testing\/\">Hot gas testing<\/a><\/li><li id=\"menu-item-1810\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1810\"><a href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/component-testing-torsion\/\">Component testing torsion<\/a><\/li><\/ul><\/nav><\/div><div class=\"fusion-additional-widget-content\"><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\"><h1 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:45;line-height:1.2;\">Your reliable partner in NVH testing<\/h1><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_3_5 3_5 fusion-three-fifth fusion-column-first atesteo-box darkback colorone\" style=\"--awb-bg-size:cover;width:60%;width:calc(60% - ( ( 4% ) * 0.6 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\"><p><strong>NVH testing &#8211; Noise, Vibration, Harshness<\/strong><\/p>\n<p>These terms describe audible (noise) or tangible (vibration) vibrations in vehicles. Harshness is the rough transmission of vibrations, felt as a sudden tremor, in the speed range of the motor from 20 to 100 Hertz. Minimising these vibrations such that the end consumer in the vehicle no longer perceives them as disturbing is a major aim during the development of the drivetrain. NVH testing enables early recognition of NVH phenomena, which can then be avoided early during the development stage of the powertrain. This later makes driving in the production vehicle more comfortable and serves to avoid complaints and a loss of image.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_2_5 2_5 fusion-two-fifth fusion-column-last\" style=\"--awb-bg-size:cover;width:40%;width:calc(40% - ( ( 4% ) * 0.4 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-2\"><p>For more than 20 years, ATESTEO has offered reliable NVH testing in test benches. At the largest independent European testing centre for drivetrains, our headquarters in Alsdorf, Germany, we test your transmissions during development for audible and tangible vibrations. With our own key equipment for testing powertrains and a total of three of our own NVH component test benches, an acoustics dynamometer, and a test track, we assist you to identify Noise Vibration Harshness phenomena early and to optimise your transmissions during development.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;--awb-margin-bottom:1.5em;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\"><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:33.75;line-height:1.2;\">NVH testing: vibration measurements and vibration reduction at test benches<\/h2><\/div><div class=\"fusion-video fusion-selfhosted-video\" style=\"margin-bottom:1.5em;max-width:100%;\"><div class=\"video-wrapper\"><video playsinline=\"true\" width=\"100%\" style=\"object-fit: cover;\" muted=\"true\" poster=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/NVH-test-benches-at-ATESTEO_preview.jpg\" preload=\"none\" controls=\"1\"><source src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/NVH-test-benches-at-ATESTEO.webm\" type=\"video\/webm\"><source src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/NVH-test-benches-at-ATESTEO.mp4\" type=\"video\/mp4\">Sorry, your browser doesn&#039;t support embedded videos.<\/video><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-3\"><p>Enabling the recognition of NVH phenomena early during development; thus, avoiding them in later standard production vehicles, is the aim of our NVH test benches. This is accomplished by frontloading the NVH issues during development of the transmission and system. In addition to the conventional NVH test bench, ATESTEO offers two class 1 NVH test benches in accordance with ISO 3745, on which both FWD and AWD transmissions may be tested. Our NVH test benches permit NVH testing of all forms of transmissions, and are set up for the special needs of electric and hybrid drives. An additional electric machine (permanent magnet motor) may be employed to enable HiL testing (Hardware in the Loop).<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\"><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:33.75;line-height:1.2;\">Performance spectrum in NVH testing<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:24;line-height:1.2;\">Conventional NVH tests<\/h3><\/div><div class=\"fusion-text fusion-text-4\"><ul>\n<li>Engine torque pulsation simulation drive<\/li>\n<li>Rattle and howling tests<\/li>\n<li>Background noise &lt;35 dB(A)<\/li>\n<li>Start-stop simulation<\/li>\n<li>Sound pressure and sound power measurements from 150 Hz to 16,000 Hz<\/li>\n<\/ul>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:24;line-height:1.2;\">HiL testing (Hardware in the Loop)<\/h3><\/div><div class=\"fusion-text fusion-text-5\"><ul>\n<li>Highly dynamic tests under real operating conditions<\/li>\n<li>Substitution of simulation models for real mechanics<\/li>\n<li>Real-time rest bus simulation to control the machines<\/li>\n<li>Low inertia values<\/li>\n<\/ul>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:24;line-height:1.2;\">Testing of e-axles and hybrid drive systems<\/h3><\/div><div class=\"fusion-text fusion-text-6\"><ul>\n<li>Electric motors with high torques are used<\/li>\n<li>Speeds of up to 20,000 rpm<\/li>\n<li>Low noise emissions<\/li>\n<li>Battery simulator for e-motors<\/li>\n<li>Power meter for measuring efficiency<\/li>\n<li>Components are balanced during operation<\/li>\n<\/ul>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-three\"><h3 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:24;line-height:1.2;\">Component testing<\/h3><\/div><div class=\"fusion-text fusion-text-7\"><ul>\n<li>Highly dynamic machines to test components such as dual-mass flywheels, transmissions (gear units), or rear axles<\/li>\n<li>Rapid control of the drive units with 6 kHz<\/li>\n<li>Tests of e-motors and vehicle inverters<\/li>\n<li>Hollow shaft machine for providing drive with a coaxial construction<\/li>\n<\/ul>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 darkback area colortwo nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-fa-align-center\"><i class=\"fb-icon-element-1 fb-icon-element fontawesome-icon fa-users fas circle-yes\" style=\"--awb-circlebordersize:1px;--awb-font-size:52.8px;--awb-width:105.6px;--awb-height:105.6px;--awb-line-height:103.6px;\"><\/i><\/div>\n<div class=\"fusion-title title fusion-title-8 fusion-title-center fusion-title-text fusion-title-size-two no-margin-top\"><div class=\"title-sep-container title-sep-container-left\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#ffffff;\"><\/div><\/div><span class=\"awb-title-spacer\"><\/span><h2 class=\"title-heading-center fusion-responsive-typography-calculated\" style=\"--fontSize:33.75;line-height:1.2;\">Contact us<\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#ffffff;\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-8\"><p style=\"text-align: center;\">If you would like to learn more about our NVH testing services and capabilities, please call or email us.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_1 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name=\"internet-time-check\" value=\"10\"><label for=\"wpcf7-69f9fe0be5f6a-field\" class=\"hp-message\">Please leave this field empty.<\/label><input id=\"wpcf7-69f9fe0be5f6a-field\"  class=\"wpcf7-form-control wpcf7-text\" type=\"text\" name=\"internet\" value=\"\" size=\"40\" tabindex=\"-1\" autocomplete=\"new-password\" \/><\/span> <span id=\"wpcf7-69f9fe0be5f8b-wrapper\" class=\"wpcf7-form-control-wrap mobile-wrap\" style=\"display:none !important; visibility:hidden !important;\"><input type=\"hidden\" name=\"mobile-time-start\" value=\"1777991179\"><input type=\"hidden\" name=\"mobile-time-check\" value=\"10\"><label for=\"wpcf7-69f9fe0be5f8b-field\" class=\"hp-message\">Please leave this field empty.<\/label><input id=\"wpcf7-69f9fe0be5f8b-field\"  class=\"wpcf7-form-control wpcf7-text\" type=\"text\" name=\"mobile\" value=\"\" size=\"40\" tabindex=\"-1\" autocomplete=\"new-password\" \/><\/span>\n              <p class=\"info-tip\"><\/p>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n<div class=\"container custom\">\n  <div class=\"row\">\n    <div class=\"columns one-half\">\n      <div class=\"container\">\n        <div class=\"row\">\n          <div class=\"columns full\">\n            <div class=\"field\"><span class=\"wpcf7-form-control-wrap\" data-name=\"message\"><textarea cols=\"40\" rows=\"9\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your message*\" name=\"message\"><\/textarea><\/span>\n              <p class=\"info-tip textarea\"><\/p>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n<div class=\"container custom\">\n  <div class=\"row\">\n    <div class=\"columns one-half\">\n      <div class=\"container\">\n        <div class=\"row lastRow\">\n          <div class=\"columns full\">\n            <div class=\"field\"><label><\/label><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send request\" \/>\n              <p class=\"info-tip\"><\/p>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n  <p>Please fill all fields marked with *<\/p>\n<\/div><div class=\"fusion-alert alert custom alert-custom fusion-alert-left wpcf7-response-output alert-dismissable\" style=\"--awb-border-size:1px;\" role=\"alert\"><div class=\"fusion-alert-content-wrapper\"><span class=\"fusion-alert-content\"><\/span><\/div><button type=\"button\" class=\"close toggle-alert\" data-dismiss=\"alert\" aria-label=\"Close\">&times;<\/button><\/div>\n<\/form>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div>\n<\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last atesteo-maincontent-image medium\" style=\"--awb-bg-image:url(&#039;https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-electric_1170x350px.jpg&#039;);--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\" data-bg-url=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-electric_1170x350px.jpg\"><div class=\"fusion-text fusion-text-9 fusion-animated\" data-animationType=\"fadeInDown\" data-animationDuration=\"0.6\" data-animationOffset=\"top-into-view\"><h2>NVH testing for electric and hybrid drive systems<\/h2>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-10\"><p>The development of hybrid and electric vehicles involves new challenges for the development of NVH testing. We have taken these into account and met them when developing our new NVH test benches.<\/p>\n<p>Because of the properties of electric drives, new demands on the drives of NVH test benches arise, such as low vibration response or a low system response up to speeds of 20,000 rpm and low noise emission. We respond to these challenges with comprehensive new developments as follows:<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-15 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none image-align-left\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-drive-unit-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-drive-unit_280x160px.jpg\" alt class=\"img-responsive wp-image-8520\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-drive-unit_280x160px-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-drive-unit_280x160px.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-11\"><p><strong>NVH drive unit<\/strong><\/p>\n<p>Reinforced, preloaded, high balance quality, and filter. Low vibration excitation.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none image-align-left\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-motor-sheathing-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-motor-sheathing_280x160px.jpg\" alt class=\"img-responsive wp-image-8522\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-motor-sheathing_280x160px-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-motor-sheathing_280x160px.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-12\"><p><strong>Motor sheathing<\/strong><\/p>\n<p>Curved, covered, and with double-walled insulation. Sound emission\u00a0&lt; 35 dB(A.)<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-17 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first standard-margin-bottom\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none image-align-left\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-mount-drive-and-test-object-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-mount-drive_280x160px.jpg\" alt class=\"img-responsive wp-image-8523\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-mount-drive_280x160px-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-mount-drive_280x160px.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-13\"><p><strong>Mount for drive and test object<\/strong><\/p>\n<p>High natural frequencies and dampening materials. Low system responses.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-18 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last standard-margin-bottom\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none image-align-left\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-array-microphone-measuring-sound-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-measuring-sound_280x160px.jpg\" alt class=\"img-responsive wp-image-8521\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-measuring-sound_280x160px-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-measuring-sound_280x160px.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-14\"><p><strong>Array of microphones for measuring sound<\/strong><\/p>\n<p>Fully automated for high reproducibility and quickly changing out the test object.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-19 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-15\"><p>For testing electric and hybrid drive systems, it is possible to simulate the correspondingly necessary components of the electric or hybrid vehicle in the NVH test bench. First and foremost, battery simulators are required.<\/p>\n<\/div><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:1.5em;margin-bottom:1.5em;width:100%;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;border-color:#008684;border-top-width:1px;\"><\/div><\/div><div class=\"fusion-sep-clear\"><\/div>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-7 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-20 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last atesteo-maincontent-image medium standard-margin-top\" style=\"--awb-bg-image:url(&#039;https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-hil_1170x350px.jpg&#039;);--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\" data-bg-url=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-hil_1170x350px.jpg\"><div class=\"fusion-text fusion-text-16 fusion-animated\" data-animationType=\"fadeInDown\" data-animationDuration=\"0.6\" data-animationOffset=\"top-into-view\"><h2>HiL testing on NVH test bench<\/h2>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-21 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-5 hover-type-none image-align-right\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"600\" height=\"400\" title=\"atesteo-nvh-testing-hardware-in-the-loop-pruefstand-aufbau-600x400px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-hil-design_600x400px.jpg\" alt class=\"img-responsive wp-image-8534\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-hil-design_600x400px-200x133.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-hil-design_600x400px-400x267.jpg 400w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-hil-design_600x400px.jpg 600w\" sizes=\"(max-width: 768px) 100vw, 600px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-17\"><p>The new test benches are equipped not only for NVH analysis, but also for HiL testing. By using an additional permanent magnet (PM) motor, hardware in the loop simulations may be conducted directly on the ATESTEO test bench. HiL involves testing individual components by substituting a simulation model for the real mechanics and constructing a realistic test environment for the test object.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-22 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-sep-clear\"><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"margin-left: auto;margin-right: auto;margin-top:1.5em;margin-bottom:1.5em;width:100%;\"><div class=\"fusion-separator-border sep-single\" style=\"--awb-height:20px;--awb-amount:20px;border-color:#008684;border-top-width:1px;\"><\/div><\/div><div class=\"fusion-sep-clear\"><\/div>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-8 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-23 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last atesteo-maincontent-image medium standard-margin-top\" style=\"--awb-bg-image:url(&#039;https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-measurement-vehicle_1170x350px.jpg&#039;);--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\" data-bg-url=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-measurement-vehicle_1170x350px.jpg\"><div class=\"fusion-text fusion-text-18 fusion-animated\" data-animationType=\"fadeInDown\" data-animationDuration=\"0.6\" data-animationOffset=\"top-into-view\"><h2>NVH testing for the entire vehicle<\/h2>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-24 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-19\"><p>Besides the detection and identification of NVH phenomena on the component test bench, ATESTEO also offers comprehensive NVH testing on the complete vehicle. On the roller dynamometer test bench for acoustics testing and our own in-house test track with a test surface with acoustic absorption properties in accordance with ISO 10844, ATESTEO measures noises and vibrations on the complete vehicle in a secured environment as passenger cars, commercial vehicles, and heavy-duty vehicles are driven. ATESTEO tests all types of drivetrains, from electric and hybrid drive systems to combustion engines.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-25 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first standard-margin-bottom\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-6 hover-type-none image-align-right\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"400\" height=\"300\" title=\"atesteo-nvh-testing-rolling-dynometer-test-bench-400x300px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-rolling-dynometer-test-bench_400x300px.jpg\" alt class=\"img-responsive wp-image-8536\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-rolling-dynometer-test-bench_400x300px-200x150.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-rolling-dynometer-test-bench_400x300px.jpg 400w\" sizes=\"(max-width: 768px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-20\"><p><strong>NVH measurements on the rolling dynamometer test bench<\/strong><\/p>\n<p>Testing of individual assemblies such as transmissions or axle drives in the entire vehicle for sounds and vibrations on the ATESTEO roller dynamometer test bench for acoustic testing.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-26 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last standard-margin-bottom\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-7 hover-type-none image-align-right\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"400\" height=\"300\" title=\"atesteo-nvh-testing-vibration-noise-test-vehicle-400x300px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-vibration-noise-test_400x300px.jpg\" alt class=\"img-responsive wp-image-8537\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-vibration-noise-test_400x300px-200x150.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-vibration-noise-test_400x300px.jpg 400w\" sizes=\"(max-width: 768px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-21\"><p><strong>Vibration and noise tests in the vehicle<\/strong><\/p>\n<p>Vehicle interior noise measurement at the test track and on the roller dynamometer test bench for acoustic testing. Data acquisition and analysis of, for example, structure-borne sound, airborne sound, clutch pedal travel, and engine speeds.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-27 fusion_builder_column_1_3 1_3 fusion-one-third fusion-column-first standard-margin-bottom\" style=\"--awb-bg-size:cover;width:33.333333333333%;width:calc(33.333333333333% - ( ( 4% ) * 0.33333333333333 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-8 hover-type-none image-align-right\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"400\" height=\"300\" title=\"atesteo-nvh-testing-pbn-measurements-400x300px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-pbn-measurement_400x300px.jpg\" alt class=\"img-responsive wp-image-8539\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-pbn-measurement_400x300px-200x150.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-pbn-measurement_400x300px.jpg 400w\" sizes=\"(max-width: 768px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-22\"><p><strong>PBN measurements<\/strong><\/p>\n<p>Conducting measurements of exterior pass-by noise during accelerated pass-by driving on the ATESTEO test track in accordance with DIN ISO 362 and Guideline R 51. Data acquisition and analysis of the sound pressure level and driving speed.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-28 fusion_builder_column_2_3 2_3 fusion-two-third fusion-column-last double-margin-bottom\" style=\"--awb-bg-size:cover;width:66.666666666667%;width:calc(66.666666666667% - ( ( 4% ) * 0.66666666666667 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-9 hover-type-none image-align-right\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-test-track-iso-10844-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-test-track_280x160.jpg\" alt class=\"img-responsive wp-image-8593\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-test-track_280x160-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-test-track_280x160.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-23\"><p><strong>Own test track with acoustic coating according to ISO 10844<\/strong><\/p>\n<p>At the ATESTEO proving grounds (test track), we can conduct outdoor pass-by noise measurements when the vehicle is driving past under acceleration, in accordance with DIN ISO 362 and according to the new guideline R 51. The vehicle to be tested approaches the measuring site at a constant speed, then accelerates with a wide-open throttle while entering the site until the rear of the vehicle has left the measuring site. During this accelerated pass-by, the sound pressure levels on both sides of the vehicle and the vehicle speed are recorded and analysed. The test track surface is prepared in accordance with DIN 10844 and adapted to the needs of heavy-duty vehicles.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-9 atesteo-box border colorone nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-29 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last fusion-column-inner-bg-wrapper\" style=\"--awb-inner-bg-image:url(&#039;https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-career-jobs-young-professional-1170x350px.jpg&#039;);--awb-inner-bg-position:center top;--awb-inner-bg-size:cover;\"><span class=\"fusion-column-inner-bg hover-type-none\"><a class=\"fusion-column-anchor\" href=\"#\"><span class=\"fusion-column-inner-bg-image\"><\/span><\/a><\/span><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\" data-bg-url=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-career-jobs-young-professional-1170x350px.jpg\"><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-two\"><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:33.75;line-height:1.2;\">Our expert teams for your NVH testing challenges<\/h2><\/div><div class=\"fusion-text fusion-text-24\"><p>We offer you a wide range of services and expertise in the field of NVH testing. Three NVH teams in Alsdorf, Germany support the following fields of activity:<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-30 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-25\"><p><strong>Team NVH test benches<\/strong><\/p>\n<ul>\n<li>NVH testing of powertrain components, conventional drives and competence for electric and hybrid drives<\/li>\n<li>NVH benchmarking of transmissions<\/li>\n<\/ul>\n<p><strong>Team NVH measurements at endurance test benches<\/strong><\/p>\n<ul>\n<li>Structure-borne and airborne noise measurements<\/li>\n<\/ul>\n<p><strong>Team NVH measurement of the entire vehicle<\/strong><\/p>\n<ul>\n<li>NVH testing on the acoustic roller dynamometer and test track<\/li>\n<\/ul>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-31 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-10 hover-type-none\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"400\" height=\"300\" title=\"atesteo-nvh-testing-experts-test-bench-vehicle-400x300px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-experts-team_400x300px.jpg\" alt class=\"img-responsive wp-image-8538\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-experts-team_400x300px-200x150.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-experts-team_400x300px.jpg 400w\" sizes=\"(max-width: 768px) 100vw, 400px\" \/><\/span><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-10 darkback area-background-color colorthree nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-32 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-fa-align-center\"><i class=\"fb-icon-element-2 fb-icon-element fontawesome-icon fa-arrow-alt-circle-down far circle-yes\" style=\"--awb-circlebordersize:1px;--awb-font-size:52.8px;--awb-width:105.6px;--awb-height:105.6px;--awb-line-height:103.6px;\"><\/i><\/div>\n<div class=\"fusion-title title fusion-title-10 fusion-title-center fusion-title-text fusion-title-size-two no-margin-top\"><div class=\"title-sep-container title-sep-container-left\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#ffffff;\"><\/div><\/div><span class=\"awb-title-spacer\"><\/span><h2 class=\"title-heading-center fusion-responsive-typography-calculated\" style=\"--fontSize:33.75;line-height:1.2;\">Download<\/h2><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#ffffff;\"><\/div><\/div><\/div><div class=\"fusion-text fusion-text-26\"><p style=\"text-align: center;\">Find all further information about test bench based vibration tests and our NVH measurements on the complete vehicle in our current performance brochures.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-33 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-first\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );margin-right: 4%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-aligncenter\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type atesteo-button-white-outline\" style=\"--button-border-radius-top-left:0;--button-border-radius-top-right:0;--button-border-radius-bottom-right:0;--button-border-radius-bottom-left:0;\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.atesteo-grc.com\/download\/4748\/\"><span class=\"fusion-button-text\">Brochure NVH testing on test bench<\/span><\/a><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-34 fusion_builder_column_1_2 1_2 fusion-one-half fusion-column-last\" style=\"--awb-bg-size:cover;width:50%;width:calc(50% - ( ( 4% ) * 0.5 ) );\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-aligncenter\"><a class=\"fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-3 fusion-button-default-span fusion-button-default-type atesteo-button-white-outline\" style=\"--button-border-radius-top-left:0;--button-border-radius-top-right:0;--button-border-radius-bottom-right:0;--button-border-radius-bottom-left:0;\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.atesteo-grc.com\/download\/5595\/\"><span class=\"fusion-button-text\">Brochure NVH testing on entire vehicle<\/span><\/a><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-11 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-35 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-two\"><h2 class=\"title-heading-left fusion-responsive-typography-calculated\" style=\"--fontSize:33.75;line-height:1.2;\">Considerable development expertise in NVH testing<\/h2><\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-36 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-11 hover-type-none image-align-left\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-drivetrain-simulation-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-simulation-drivetrain_280x160.jpg\" alt class=\"img-responsive wp-image-8541\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-simulation-drivetrain_280x160-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-simulation-drivetrain_280x160.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-27\"><p><strong>Drivetrain simulation<\/strong><\/p>\n<p>ATESTEO has the know-how and technical facilities to conduct complex simulations; for example, those of the powertrain. This great expertise also flows into the development of new test benches.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-37 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-12 hover-type-none image-align-left\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"280\" height=\"160\" title=\"atesteo-nvh-testing-frontloading-280x160px\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-frontloading_280x160.jpg\" alt class=\"img-responsive wp-image-8540\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-frontloading_280x160-200x114.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-frontloading_280x160.jpg 280w\" sizes=\"(max-width: 768px) 100vw, 280px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-28\"><p><strong>Frontloading during the development phase <\/strong><\/p>\n<p>Employing NVH test benches enables the frontloading of NVH testing during the development process. Through using corresponding analysis software, NVH phenomena such as gear whining become visible.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-12 interest-box nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-38 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-12 fusion-title-center fusion-title-text fusion-title-size-three\" style=\"--awb-sep-color:#008684;\"><div class=\"title-sep-container title-sep-container-left\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#008684;\"><\/div><\/div><span class=\"awb-title-spacer\"><\/span><h3 class=\"title-heading-center fusion-responsive-typography-calculated\" style=\"--fontSize:24;line-height:1.2;\">This might also interest you<\/h3><span class=\"awb-title-spacer\"><\/span><div class=\"title-sep-container title-sep-container-right\"><div class=\"title-sep sep-single sep-solid\" style=\"border-color:#008684;\"><\/div><\/div><\/div>\n<div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-39 fusion_builder_column_1_4 1_4 fusion-one-fourth fusion-column-first atesteo-related fusion-column-inner-bg-wrapper\" style=\"--awb-inner-bg-size:cover;--awb-filter:brightness(100%);--awb-filter-transition:filter 0.3s ease;--awb-filter-hover:brightness(70%);width:25%;width:calc(25% - ( ( 4% ) * 0.25 ) );margin-right: 4%;\"><span class=\"fusion-column-inner-bg hover-type-none\"><a class=\"fusion-column-anchor\" href=\"https:\/\/www.atesteo-grc.com\/en\/testing\/vehicle-testing-road-tests\/\"><span class=\"fusion-column-inner-bg-image\"><\/span><\/a><\/span><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-column-wrapper-legacy\"><div class=\"fusion-image-element in-legacy-container\" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-13 hover-type-none half-margin-bottom\" class=\"image-magnify\" class=\"image-scroll\"><img decoding=\"async\" width=\"257\" height=\"145\" title=\"atesteo-related-content-vehicle-testing-road-tests-257&#215;145\" src=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-related-content-vehicle-testing-road-tests_257x145.jpg\" alt class=\"img-responsive wp-image-8543\" srcset=\"https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-related-content-vehicle-testing-road-tests_257x145-200x113.jpg 200w, https:\/\/www.atesteo-grc.com\/wp-content\/uploads\/atesteo-nvh-testing-related-content-vehicle-testing-road-tests_257x145.jpg 257w\" sizes=\"(max-width: 768px) 100vw, 257px\" \/><\/span><\/div><div class=\"fusion-text fusion-text-29\"><p><strong>Vehicle testing on the ATESTEO test track<\/strong><\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":4394,"parent":1698,"menu_order":215,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NVH testing (noise, vibration, harshness) | ATESTEO<\/title>\n<meta name=\"description\" content=\"Test bench based vibration measurements and NVH testing on the complete vehicle for early detection of noise vibration harshness phenomena.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NVH testing (noise, vibration, harshness) | ATESTEO\" 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