The era of electric vehicles is all here in its full avatar; from small last mile connect city-bicycles to medium/large sedans, trucks and busses. The good part of this evolution is that along with many new entrants and start-ups, big brands who were traditionally IC engine manufacturers are also getting into EV business.
While the developed countries primarily focus on the larger size vehicle development and luxury passenger EVs, many of developing economies are focusing on 2 and 3-wheeler system development, tailored to suite the requirements of an average commuter and the general-purpose commercial goods transportation. The progress is being helped by the modular approach of the EV system build-up, with a smaller number of sub-systems and simplified mechanical kinematics as compared to a typical IC engine vehicle construction.
The IC engine domain in general appears to be slowing down, at least for the automotive segment. A synergic development of technologies for high grade AC Motors, controllers and new generation batteries, all are helping consolidate the EV market faster than envisaged.
Noise and Vibration in EVs
The very fact that EVs are expected to be silent, have better Noise and Vibration signatures have put the onus back on to the system and vehicle manufactures; With the weight constraints strictly weighing against the EVs overall efficiency and performance, developers are working hard to optimize the design of the drive system keeping the structural and connected system response in the focus.
Recent NVH testing on some passenger and commercial vehicles
NV Dynamics is playing a key role with many of the start-ups in the EV world to work on the dynamics of vibration and noise responses upfront. Our hand-holding approach to work through the design and development process combined with vehicle testing and validation are helping many of these companies to set the benchmarks and produce EVs of stable and repeatable N&V performance.