Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Patent
1996-04-10
1998-03-24
Zanelli, Michael
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
701 41, 180443, B62D 504
Patent
active
057323739
ABSTRACT:
A control apparatus to be employed in electric power steering system for controlling the output of a motor aiding a steering operation in accordance with the value of a current control signal computed from a detected motor current and the value of a current command signal computed in accordance with a steering torque. The control apparatus comprises an electronic control circuit including a CPU. A stabilization compensator is inserted into a later stage of a torque sensor for detecting a steering torque in order to improve the stability and responsiveness of the control system. The characteristic of the stabilization compensator is expressed by the following characteristic C(s) which has a functions to eliminate a peak at a resonance frequency of a resonance system including inertia and spring elements in the electric power steering system:
REFERENCES:
patent: 4951199 (1990-08-01), Whitehead
patent: 5040629 (1991-08-01), Matsuoka et al.
patent: 5182711 (1993-01-01), Takahashi et al.
patent: 5602451 (1997-02-01), Kohge et al.
patent: 5631529 (1997-05-01), Shimizu et al.
NSK Ltd.
Zanelli Michael
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