Electricity: motive power systems – Positional servo systems – 'reset' systems
Reexamination Certificate
2007-03-26
2009-02-10
Masih, Karen (Department: 2837)
Electricity: motive power systems
Positional servo systems
'reset' systems
C318S727000, C318S432000, C318S433000
Reexamination Certificate
active
07489099
ABSTRACT:
An electric drive control apparatus and method calculates a current command value based on an electric machine target torque that represents a target value of a torque of an electric machine; calculates a current deviation between the current command value and a current applied to the electric machine; calculates a first inductance and a second inductance that each have a different amount of change caused by a change in the current; calculates an interference term based on the first inductance; calculates a proportional term and an integral term based on the current deviation and the second inductance; and calculates a voltage command value based on the interference term, the proportional term and the integral term.
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Chen Zhiqian
Fujiwara Isao
Aisin AW Co. Ltd.
Masih Karen
Oliff & Berridg,e PLC
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