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Signal Processing for Shift Feel Simulation on the Ford Vehicle Vibration Simulator
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English
Abstract
Subjective assessment of shift feel for automatic transmissions is facilitated by simulation on the Ford Vehicle Vibration Simulator, allowing application of advanced psycho-physical methods. Large accelerations present in data in addition to the shift event may generate displacements too large to simulate. Isolation of the shift signal in time and frequency poses unique challenges due to the very low frequencies (VLF) involved. A method involving filtering, windowing, and filtering again solves this problem. The isolation of the 1-2 shift from a wide-open-throttle runup is illustrated. The method is applicable in general to separating VLF signals in time and frequency.
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Citation
Pielemeier, W., Jeyabalan, V., and Otto, N., "Signal Processing for Shift Feel Simulation on the Ford Vehicle Vibration Simulator," SAE Technical Paper 972030, 1997, https://doi.org/10.4271/972030.Also In
References
- Meier R. C. Jr. Otto N. C. Pielemeier W. J. Jeyabalan V. “A New Tool for the Vibration Engineer” Proceedings of the 1997 Noise and Vibration Conference Society of Automotive Engineers 1997 Traverse City, MI
- Meier R. C. Jr. Otto N. C. Pielemeier W. J. Woyski W. The Ford Vehicle Vibration Simulator Noise Con 1996 Seattle, WA
- Roberts R. A. Mullis C. T. Digital Signal Processing 1987 Addison-Wesley Reading, MA