Device for controlling electric-motor power steering device

Details Device for controlling electric-motor power steering device Device for controlling electric-motor power steering device

2008-03-18

2008-03-18

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C318S621000, C318S632000, C180S446000

Reexamination Certificate

active

07345442

ABSTRACT:
Distortions of motor voltage and current and a torque ripple of the motor are generated by dead band compensation for preventing an arm short circuit of an inverter, and a feeling of physical disorder is given in a handle operation. Therefore, the distortions of the motor voltage and current and the torque ripple of the motor are improved by using the dead band compensation for estimating the voltage distortion on the basis of a model current generated from a current command value such that no feeling of physical disorder is given in the handle operation of an electric power steering apparatus.

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