AVL E-Motor TS™ NVH

Our commitment to silence.

Noise Vibration Harshness (NVH) is a key factor in driver satisfaction. We provide dedicated testbeds, systems, and processes to measure, test, calibrate, and ultimately reduce NVH – for a superior, quieter, and more satisfying drive.

nvh testbed

Electrified propulsion systems are rapidly transforming modern transportation, creating new challenges in the evolving noise, vibration, and harshness (NVH) environment, which is critical for all future powertrains. At AVL, our in-house expertise in high-speed applications and NVH testing has enabled us to develop a complete portfolio of standard NVH test system solutions. These systems can be tailored to meet the specific requirements of our valued customers.

For e-motors, our NVH solutions range from high-end performance testing to precision and efficiency setups, ensuring optimized interior and exterior vehicle sound. The versatile AVL E-Motor TS™ NVH system is fully customizable, offering advanced technology to meet the demanding needs of modern NVH engineering.

As a leading provider of testing equipment and high-tech engineering services, we specialize in single components, powertrains, and complete propulsion systems. Our innovative, user-oriented solutions are tailored to the specific needs of our customers' units under test (UUT). We are committed to meeting the strict acoustic standards required in modern NVH testing, ensuring that all systems meet agreed-upon NVH targets. Each component is carefully tuned, and the entire system is validated through a comprehensive acceptance analysis, guaranteeing optimal performance.

nvh testbed

Tailored NVH Test Systems

With our advanced NVH test systems for validating e-motors, we support all UUT variants. Our goal is to provide development environments that solve NVH challenges efficiently, quickly, and sustainably.

These NVH test systems offer a range of solutions, depending on the priorities of the main features, which are categorized into three key setups across all UUTs:

  • Premium setup
  • Precision setup
  • Efficiency setup
Setup
Details

 Premium

This test system focuses on developing ultra-silent
motors with an optimal balance in the testing environment.
The unique design of the acoustic room places the UUT 
in an coustic-free field, isolating the load unit and rotating
parts. With an ultra-low background noise level of less than
50 dB(A), this system sets new standards for acoustic motor
development.

Precision This setup focuses on the precise alignment
of microphones in the testbed, following ISO 3745
standards. The design enables a complete microphone
hemisphere without interference from mechanical
surfaces, ensuring accurate sound measurements.
Efficiency Efficiency is a major topic in the transformation of existing
testbeds. For customers who have invested in an NVH
chamber and/or a component testbed, we have created our
efficiency product line. The focus is on conveniently trans-
forming the testbed into a solution that seeks the best com-
promise between reasonable power and NVH performance.

 

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Highly Customizable

Standard and highly customizable testing solutions from single components to full vehicles.

Guaranteed Noise Limits

Guaranteed NVH behavior through optimal NVH design.

Minimal Footprint

Lowest acoustic impact due to minimal footprint.

Full Performance

Uncompromised power, torque, and speed performance combined with seamless integration into AVL‘s toolchain.

 

Premium Setup

  • Highest level of measurement accuracy and wide homogeneous free-field condition thanks to optimized
    test system design
  • Ultra-low noise level from test system to enable out-
    standing SNR (signal-to-noise ratio) for guaranteed
    class 1 measurement results
  • Fully independent vibration behavior of UUT thanks to innovative decoupling concept
  • Full performance in power, torque, and speed, combined with seamless integration into the AVL toolchain

Precision Setup

  • Uncompromised compliance with ISO3745 regarding microphone setup
  • Precise detection of single-spot noise phenomena for the UUT thanks to availability of full microphone array
  • Fully independent vibration behavior of UUT thanks to decoupling concept
  • Full performance in power, torque, and speed, combined with seamless integration into the AVL toolchain

Efficiency Setup

  • Easy and fast upgrade of existing anechoic chambers (e.g. engine or propulsion system testbed) to high-performance e-motor NVH test systems
  • Minimized acoustic reflections due to optimized shape and surface of dyno enclosure
  • Flexibility to use the NVH test chamber for different UUTs (e-motor, e-axle, powertrain) due to easy and free positioning of the test system inside
  • Full performance in power, torque, and speed, combined with seamless integration into the AVL toolchain
photo of joachim schmidt

NVH is not only about improving noise on vehicles and powertrains, much more it’s about setting up a brand sound, inspiring the passengers of modern cars during their ride. With our NVH test systems and solutions we provide a high class development platform for sound development and drive the pleasure of tomorrow’s mobility.”

– Joachim Schmidt, Department Manager, AVL List GmbH

AVL E-Mobility Testing Solutions – Brochure

Tested and Trusted.

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AVL E-Motor TS™ NVH – Solution Sheet

Our commitment to silence.

Download
NVH Test Systems – Brochure
Our commitment to silence.
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AVL E-Motor Testing Solutions – Brochure

Validate e-motors of different types, speeds, and torques.

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Success Story – “NVH Testing for KTM”
Ready to race – meeting ultimate acoustic requirements.
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Success Story – “High Performance at Hitachi Astemo”
Innovative e-drive testing solutions from a single source.
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Case Study – “NVH Testing for Vitesco”

Unique NVH test environment offers wide variability in testing capabilities.

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AVL E-Motor Testing Solutions – Application Sheet

Speed in Perfection. 

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E-Motor EMC Test Systems
AVL E-Motor TS™ EMC

Validate the electromagnetic compatibility of your electric drive with our specialized test system. 

e-motor performance
AVL E-Motor TS™ Performance

Optimum view of speed and torque. The test system for developing your unique e-drive.

back to back
AVL E-Motor TS™ Durability

The AVL E-Motor TS™ Durability is a 4-quadrant e-motor durability test system, operational 24/7.

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AVL E-Axle TS™ NVH

AVL’s deep experience with NVH powertrain testbeds allows to provide a high-quality acoustic test environment for e-axles. All components and acoustic enclosures are designed by AVL to ensure excellent NVH performance with minimal sound reflections through simulation-optimized design. 

X-ion NVH Visual
AVL X-ion™ NVH ANALYSIS

Our solution for acquiring and processing acoustic noise and vibration signals. Combined measurement tasks can be carried out quickly and efficiently with the new NVH acquisition module inside the AVL X-ion™ "Multi Physics" measurement system.

Customer Services
Customer Services for Testing Solutions

The AVL Customer Services organization consists of more than 700 service- and application engineers worldwide, operating from more than 50 locations. Our global footprint is your local benefit.

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The best-in-class automation system for e-motor testing.

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