Running control method and running control system

Details Running control method and running control system Running control method and running control system

1989-01-30

1990-03-27

Marmor, Charles A.

Motor vehicles

With means responsive to speed of vehicle for maintaining...

123352, 123361, 36442604, B60K 3100

Patent

active

049112597

ABSTRACT:
A running control method and a running control system for a vehicle to control the engine output according to the effects of slope, wind, and change in vehicle weight, in which a reference traction force is determined as the sum of a mechanism friction, an acceleration force, and an air drag, the difference between an actually measured total traction force an the reference traction force is determined to obtain an environmental effect value. The environmental effect value represents an increase or decrease in traction force with respect to that in a flat, windless road for a standard vehicle weight. A throttle valve or a fuel injection control governer is feedback-controlled according to the environmental effect value, thereby improving the control response.

REFERENCES:
patent: 4112885 (1978-09-01), Iwata et al.
patent: 4418666 (1983-12-01), Yamauchi et al.
patent: 4453516 (1984-06-01), Filsinger
patent: 4577718 (1986-03-01), Ueno

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