Observer control means for suspension systems or the like

Details Observer control means for suspension systems or the like Observer control means for suspension systems or the like

1986-12-22

1989-11-14

Chin, Gary

Boots, shoes, and leggings

280707, B60G 1700

Patent

active

048811726

ABSTRACT:
The apparatus is particularly suited for control of the performance of a vehicle suspension system or similar plant having controllable semiactive dampers capable of either high or low damping modes. Different plant modes ensue from different combinations of the damper modes. The control apparatus includes observer devices that model each of the plant modes and produce estimates of the plant output or performance that would be produced in each plant mode. A cost function device identifies the optimal one of the estimates, and the dampers in the real plant are adjusted so as to cause the plant to assume the one of its modes modeled by the observer producing the optimal estimate. In an alternative reduced form of the invention, the functions of the observer and cost function devices are performed by switching function generators that produce switching functions indicative of the estimated worth of the outputs that would be produced by the plant in each of its different modes.

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