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A Study of Chassis Dynamometers for 4 Wheel Drive Vehicles - Influence of the Front-Rear Rollers Synchronizing System on the Power Distribution
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English
Abstract
Recently,four-wheel drive vehicle (hereinafter abbreviated as 4WD vehicle) chassis dynamometer has been developed and in the course of practical use for many kinds of test.
The 4WD chassis dynamometer technology, however, involves many new requirements and advanced techniques which were not required for conventional chassis dynamometers.
This study has described a generation mechanism for driving force distribution through construction of a dynamic model for the resolution of unsolved issues in composite dynamic systems of 4WD vehicle and 4WD chassis dynamometer.
Additionally, we have clarified the reasons why driving force distribution on-the-road is different from that on the chassis dynamometer, and clarified that the work value of driving shaft depends upon the combination of chassis dynamometer types and 4WD vehicles types.
The micro-slip theory (hereinafter abbreviated as MS theory) utilized for the analysis is the basic theory that can explain that inclinations.
This study has clarified the analysis method of dynamic behavior of combination 4WD chassis dynamometers types and 4WD vehicles types.
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Authors
Citation
Yoshihara, K., Itoh, K., Kita, Y., Takimoto, M. et al., "A Study of Chassis Dynamometers for 4 Wheel Drive Vehicles - Influence of the Front-Rear Rollers Synchronizing System on the Power Distribution," SAE Technical Paper 920251, 1992, https://doi.org/10.4271/920251.Also In
References
- Usui, H. Nishikura, S. Takematsu, K. “Analysis of part-time four-wheel drive vehicle.” SAE paper 820743
- Lanzer, H. “Permanent and part-time four wheel drive and typical tractive force distribution.” SAE paper 861369
- Kaneko, K. Torikai, K. Kato, R. “Latest testing equipment for driving system SAE paper. 900168