Electric power steering apparatus and angle compensating...

Details Electric power steering apparatus and angle compensating... Electric power steering apparatus and angle compensating...

2006-07-11

2006-07-11

Tran, Dalena (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C318S132000, C324S160000

Reexamination Certificate

active

07076352

ABSTRACT:
An electric power steering apparatus includes a first resolver whose pole pair number is ‘m’ and a second resolver whose pole pair ‘n’. The electric power steering apparatus further includes a torsion calculating means which calculates the a torsion angle of the torsion bar from a difference between the rotating angle detected by the first resolver and the rotating angle detected by the second resolver. The torsion calculating means compensates the angle difference by a compensation value obtained by a table on the basis of the value obtained by multiplying an electrical angle of the first resolver by ‘n’ and the value obtained by multiplying an electrical angle of the second resolver by ‘m’.

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patent: WO 2004/005843 (2004-01-01), None

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