Interrelated power delivery controls – including engine control – Transmission control – Engine controlled by transmission
Patent
1992-06-26
1995-01-17
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Engine controlled by transmission
477 97, 180197, B60K 3100
Patent
active
053822064
ABSTRACT:
A method of and system for controlling the speed of a motor vehicle based on a control characteristic so that the speed of the vehicle follows a target speed. The system estimates a dynamic characteristic of the motor vehicle to adjust the control characteristic when the motor vehicle is under a cruising control. The system includes a sensor for detecting a speed of the motor vehicle and a sensor for detecting an operating position of an actuator which adjusts a travelling speed of the motor vehicle. In the system, the detected vehicle speed and actuator operating position are converted into data in terms of an imaginary operating point. The imaginary operating point remains constant because it is not affected by variations of a static characteristic of the motor vehicle. The dynamic characteristic of the motor vehicle is estimated on the basis of the conversion data. This arrangement can accurately estimate the dynamic characteristic of the motor vehicle.
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"System Identification: Theory for the User", L. Ljung, pp. 307-311.
Oda Kyoji
Ohba Masahiro
Takeuchi Hitoshi
Tsujii Masao
Nippondenso Co. Ltd.
Ta Khoi Q.
Wright Dirk
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