Vehicle control system

Details Vehicle control system Vehicle control system

1988-05-19

1990-05-29

Black, Thomas G.

Boots, shoes, and leggings

36442401, 180170, G06F 1550

Patent

active

049300849

ABSTRACT:
A vehicle control system embodied as an autocruise control. Fuzzy Logic is introduced in the system such that an expert driver's operation or judgment made on an non-automated vehicle is able to be incorporated in the system as fuzzy production rules. In the system, the control is effected in accordance with the rules which can be expressed linguistically in a simple manner and has a predictive nature therein. Operating condition of the vehicle is detected through parameters such as a vehicle speed, a vehicle acceleration and a change of vehicle acceleration which are then assigned on a scale named universe of discourse. The satisfaction degree is evaluated so that one rule is selected. A control value is determined from the selected rule which is output to an actuator to be controlled.

REFERENCES:
patent: 4638445 (1987-01-01), Mattaboni
patent: 4648044 (1987-03-01), Hardy et al.
patent: 4809175 (1989-02-01), Hosaka et al.
patent: 4842342 (1989-06-01), Takahashi et al.
Hartzband, "Enhancing Knowledge Representation in Engineering", Sep. 1985, IEEE Computer, p. 39-48.
Zadeh, "Fuzzy Logic," Apr. 1988, IEEE Computer, p. 83-93.
Faught, "Applications of AI in Engineering", Jul. 1986, IEEE Computer, pp. 17-27.
The Use of Expert Systems in Industrial Control (1985).
Artificial Intelligence in Process Control (1985).
Self-Turning Control: an Expert System Approach (1984).
Murofushi and Sugeno "Fuzzy control of Model Car", Journal of The Robotics Society of Japan, vol. 6, No. 6, Dec. 1988, pp. 536-541.

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