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A New Algorithm for ABS to Compensate for Road-Disturbance
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English
Abstract
The present ABS is controlled by the slip ratio and the wheel acceleration. On rough roads, the slip ratio is weighted to eliminate the wheel velocity fluctuation. That results in poor performance of the ABS, Therefore a new algorithm is investigated without the slip ratio.
The algorithm consists of major two concepts. One of which is to shift the wheel acceleration threshold which determines the initiation of the brake-pressure reduction by the road friction coefficient and the disturbance. The other is to determine the proper duration for the pressure reduction by the road friction coefficient at same time.
The new algorithm was estimated by computer simulations. Therefore, the reduction of velocity-fluctuation, more effective steerability and a shorter stopping-distance can be expected.
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Authors
Citation
Watanabe, M. and Noguchi, N., "A New Algorithm for ABS to Compensate for Road-Disturbance," SAE Technical Paper 900205, 1990, https://doi.org/10.4271/900205.Also In
References
- Satoh M Shiraishi Honda R & D Company Ltd. Excess Operation of Antilock Brake System on a Rough Road 1983
- Fennel Helmut Bad Soden and Fed Method and Circuit Configuration for Suppressing undesired Control Actions in Slip-Controlled Brake Systems Oct. 20 1987
- Masaki Shouichi Tamura Kimio Nakashima Noriyuki Wakao Teruyosi Asami Ken Kazunori Sakai Nippondensou Co Toyota Motor Co. Antiskid Control with Surface Roughness Compensation Jun. 9 1987