Understanding and Characterizing the Source of Noise and Vibration in Inverter Driven Electric Machines

Electrification has changed how we experience a vehicle’s noise and how the vibration effects the durability of parts. Electric motors are fundamentally more quiet and have higher rotational speeds than their engine counterparts, which has created a need to look at these engineering problems differently.

Many industries, including automotive and aerospace, have started merging their NVH and powertrain departments to include the user’s experience into their designs. Testing for noise and vibration and electrical quantities at the same time will provide an extended insight into how the electric machines and inverters are causing noise and vibration and how to amplify or mitigate it.

What causes noise and vibration in electric machines;
How electrical and mechanical signals are correlated;
How simultaneous testing of electrical and NVH signals can speed up testing;
Mapping NVH against motor controls;
End of line testing.

Date: 2020 February 18th | 02:00 PM CET

Instructors: Mitch Marks

Duration: 40 minutes

Language: English

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