Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

1998-09-16

1999-07-20

Masih, Karen

Electricity: motive power systems

Limitation of motor load, current, torque or force

318471, 318476, H02K 1732

Patent

active

059259957

ABSTRACT:
In an electric power steering apparatus, it is judged whether or not a value of primary delay of temperature increase in a driving circuit for an electric motor tends to decrease, and when the value of primary delay is judged to tend to decrease, a new value of primary delay is obtained with a time constant set smaller, so that an upper limit value of a motor current can be decided on the basis of the new value of primary delay. Thus, a steering power can be rapidly recovered.

REFERENCES:
patent: 4986379 (1991-01-01), Morishita

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