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Title:
AUTOMATIC SPEED CONTROL APPARATUS OF LARGE VEHICLE
Document Type and Number:
Japanese Patent JPS57102534
Kind Code:
A
Abstract:
An automatic speed control for a heavy vehicle including a system control unit (10) which regulates communication between a compressed air source (18) and an air actuated throttle (19); the system control unit (10) generates control signals over lines (15,17) which are a function of a speed error signal and the position of the air actuated throttle (19) to regulate the compressed air source (18); the speed error signal is calculated as the difference between a commanded speed signal input from a pair of set and resume switches (34,36) and an actual speed signal (AVS); to generate the control signals, the speed error signal and throttle position signal (THL) are operated on inthe system control unit (10) by different lead-lag transfer functions, and these lead-lag terms are thereafter combined with a proportional speed error term to yield the desired control signals; according to the invention the system control unit (10) includes a cruise control means for controlling the vehicle speed to a commanded speed when the vehicle is moving, a throttle control means for controlling the engine speed when the vehicle is stationary and a mode control means for switching control of the system between the cruise control means and the throttle control means.

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Inventors:
PATORITSUKU JIYON OOKIIFU
FURANKU RITSUCHIMONDO SHIYUUBE
GAI TOOMASU RINI
Application Number:
JP17088381A
Publication Date:
June 25, 1982
Filing Date:
October 27, 1981
Export Citation:
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Assignee:
BENDIX CORP
International Classes:
B60K26/04; B60K31/06; B60K31/10; B60W30/00; F02D41/14; F02D11/10; F02D29/02; G05D13/62; (IPC1-7): B60K31/00; F02D9/02; F02D29/02; G05D13/62
Domestic Patent References:
JPS515473A1976-01-17
JPS53134185A1978-11-22
JPS5474920A1979-06-15