NVH & Acoustics for Hybrid & Electric Vehicles

NVH & Acoustics for Hydrid & Electric Vehicles

Electric and hybrid electric vehicles drastically reduce CO2 emissions, but bring their own NVH and acoustic challenges. 

Our integrated solutions optimize electrical motor noise behavior while leaving electromagnetic performance unchanged. They integrate electric power sources in the driveline while ensuring smooth operation with minimum NVH impact. Our tools and services help you balance NVH and ride comfort with body weight.

Electric and hybrid electric vehicles drastically reduce CO2 emissions, but bring their own NVH and acoustic challenges. 

Our integrated solutions optimize electrical motor noise behavior while leaving electromagnetic performance unchanged. They integrate electric power sources in the driveline while ensuring smooth operation with minimum NVH impact. Our tools and services help you balance NVH and ride comfort with body weight.

NVH & Acoustics for Hydrid & Electric Vehicles

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Ensuring acoustic comfort of hybrid and electric vehicles means tackling a host of new phenomena. An electric motor often generates annoying high-frequency tonal noises, while hybrid powertrains provoke transient noise. Traditional noise sources, such as road noise and wind noise, become more prominent without the masking noise of an internal combustion engine. Additionally, new noise sources that went unnoticed in the past need to be considered, such as HVAC, battery cooling, and steering systems.

Our integrated solutions combine engineering services and the best of simulation and testing tools to help EV and HEV manufacturers and suppliers deliver superior NVH and acoustic performance of the electric drive, battery, and full vehicle.

NVH & Acoustics for Hydrid & Electric Vehicles
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Siemens Powertrain Division

Heading to a sustainable future with advanced components for e-mobility

Heading to a sustainable future with advanced components for e-mobility

Siemens Digital Industries Software solution enables Siemens Powertrain Division to offer automakers the best solutions for the electrification of powertrains

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Component-based transfer path analysis: Your future-proof strategy‎ for advancing NVH vehicle development

Component-based transfer path analysis

Leverage measured modular component models into full-vehicle noise predictions

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Возможности решения

Explore the key areas of this solution.

(H)EV Powertrain Testing

Increase the operational efficiency of hybrid and electric engines. Identify orders, determine structural operating conditions and combine torsional vibration and acoustic measurements.

Auxiliary Noises

Efficiently optimize the high frequency tonal noise of auxiliaries. Design, analyze, validate and optimize components while maintaining fuel economy requirements.

Electric Motor Noise Optimization

Optimize electric motor noise behavior and leave the electromagnetic performance unchanged by combining electromagnetic simulation and acoustic radiation studies in one process.

Flow Induced Noise

Accurately predict the noise generated by unsteady flows. Understand flow induced noise mechanisms at sub-system and vehicle integration levels.

Powertrain Performance Engineering

Discover how Simcenter simulation and testing solutions enable to balance powertrain fuel economy, drivability, energy management, NVH and acoustics.

Road Noise Simulation

Study road noise early in the early development stages and understand the impact of engineering changes on the NVH performance of electric vehicles.

Road Noise Testing

Analyze road noise using the transfer path analysis (TPA) solution. Decompose road noise into independent components and investigate each individual uncorrelated noise source.

Vehicle Integration & Attribute Balancing

Integrate (sub)systems without compromising on its performances. Balance and optimize seemingly conflicting requirements for NVH, fuel economy, drivability and comfort.

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