Motor vehicles – Steering gear – With electric power assist
Reexamination Certificate
2007-03-13
2007-03-13
Morris, Lesley D. (Department: 3611)
Motor vehicles
Steering gear
With electric power assist
C701S041000
Reexamination Certificate
active
10165037
ABSTRACT:
Disclosed herein is a method as well as a system for controlling an electric power steering system. The method includes: receiving a torque signal from a torque sensor responsive to a torque applied to a handwheel; obtaining a motor velocity signal, the motor velocity signal indicative of a speed of an electric motor which applies torque to a steerable wheel; and generating a command for the electric motor with a controller coupled to the torque sensor, and the electric motor. The command includes torque control and motor velocity compensation, responsive to at least one of the torque signal, and a motor velocity signal. Also disclosed herein is a storage medium encoded with a computer program code for controlling an electric power steering system, the storage medium includes instructions for causing controller to implement the disclosed method.
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PCT International Search Report dated Jan. 3, 2003.
Delphi Technologies Inc.
Smith Michael D.
Yeagley Daniel
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