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A Study of Assist Control in Electric Power Steering - Driving Pattern Rule-Based Control -
Technical Paper
2000-05-0241
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English
Abstract
This paper describes a rule-based electric power steering control system wherein driving patterns are judged based on input torque change ratio in addition to steering angle and input torque and assist characteristics changed accordingly to achieve the most appropriate steering feeling. We installed a conventionally controlled system and one with the proposed control in a test vehicle and compared driving effort by studying electromyogram measurements. It has been shown by the results that driver effort has been reduced and steering wheel turnability has been improved without sacrificing conventional steering feeling. The proposed control is a first step toward improving steering feeling and achieving ideal assist control in electric power steering.
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Citation
Nakano, S., Kada, T., Nishihara, O., and Kumamoto, H., "A Study of Assist Control in Electric Power Steering - Driving Pattern Rule-Based Control -," SAE Technical Paper 2000-05-0241, 2000.Also In
References
- Tajima Jun Yuhara Naohiro Takimoto Shigenori Kawai Toshitake Yasuo Shimizu:Research on Effect of Steering Characteristics on Control Performance of Driver-Vehicle System from a Viewpoint of Steer-by-Wire System Design AVEC'98 9837238 1998
- Sato Hirofumi Haraguchi Tetsunori Osawa Hiroshi Experimental Analysis of Steering Response Characteristics and Steering Feeling Journal of Society of Automotive Engineers of Japan 44 3 52 58 1990