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An Investigation of Engine Start-Stop NVH in A Power Split Powertrain Hybrid Electric Vehicle
Technical Paper
2006-01-1500
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The auto industry is responding to the environmental and energy conservation concerns by gradually producing mass-production of hybrid electric vehicles (HEV) as well as conducting development of fuel cell vehicles. One of many challenges of putting a customer-satisfactory HEV on the road is to develop “imperceptible” engine start-stops. This paper presents an investigation of engine start-stop NVH in a power split powertrain HEV. This investigation includes analyzing the root cause of engine start-stop NVH issues, developing the methodology and metric to gauge NVH improvement, and developing measures to resolve the NVH issues. The effectiveness of some proposed counter measures are presented and discussed through vehicle testing results. Finally, the overall NVH improvement of engine start-stop with implementation of practical counter measures is also presented.
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Citation
Kuang, M., "An Investigation of Engine Start-Stop NVH in A Power Split Powertrain Hybrid Electric Vehicle," SAE Technical Paper 2006-01-1500, 2006, https://doi.org/10.4271/2006-01-1500.Also In
References
- Yoshioka, T. Sugita, H. “Noise and Vibration Reduction Technology in Hybrid Vehicle Development” SAE 2001-01-1415 2001
- Kuang, M. L. Hrovat “Hybrid Electric Vehicle Powertrain Modeling and Validation” Proc. Of EVS 20, the 20 th International Electric Vehicle Symposium and Exposition Long Beach, California Nov. 15-19 2003
- Griffin, M. J. “Handbook of Human Vibration” Academic Press 1990
- British Standard Institution “Guide to Measurement and Evaluation of Human Exposure to Whole-Body Mechanical Vibration and Repeat Shock” 1987
- Kuang, M. L. Hrovat, D. Pickett, D. H. “Feedback Control System for Suppressing Driveline Oscillations in Electric Vehicles” Proc. Of EVS 14, the 14 th International Electric Vehicle Symposium and Exposition December 1997