Clutch brake steering control

Details Clutch brake steering control Clutch brake steering control

1986-10-10

1987-10-27

Bonck, Rodney H.

192 clutches and power-stop control

Clutch and brake

Vehicle type

180 67, 364426, F16D 6704

Patent

active

047023589

ABSTRACT:
Clutch-brake steering systems are known to operate on track vehicles which are highly reliable and cost effective, but lacked the fine degree of controllability found in the more expensive differential steering. An electronically controlled clutch-brake steering control apparatus provides control signals to electrohydraulic proportional valves for accurately modulating the control pressures of a set of steering clutches and brakes. A pair of sensors deliver signals, which are indicative of track speed, to the control apparatus. The apparatus acts to adaptively adjust selected ones of the valves to maintain a desired track speed differential. Thus, the controllability of the clutch-brake steering system is enhanced to effectively compete with more expensive and complex systems.

REFERENCES:
patent: 3727710 (1973-04-01), Sanders

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