Resolver signal processing method and processing apparatus

Details Resolver signal processing method and processing apparatus Resolver signal processing method and processing apparatus

2006-12-05

2006-12-05

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

C180S446000, C307S010100

Reexamination Certificate

active

07146287

ABSTRACT:
The electrically-powered steering apparatus obtains a steering torque and a steering angle within an allowable input range of those inputted into a first resolver and a second resolver based on a real zero point α and further, a steering torque and a steering angle out of the allowable input range of those inputted to the first resolver and the second resolver based on (+) virtual zero point β and (−) virtual zero point γ, which are set to a different value from the real zero point α. Consequently, of the steering torques and steering angles inputted to the first resolver and the second resolver, the steering torque and steering angle out of the allowable input range impossible to obtain by the real zero point α can be obtained based on the (+) virtual zero point β and the (−) virtual zero point γ.

REFERENCES:
patent: 6891283 (2005-05-01), Fukumoto et al.
patent: 6892588 (2005-05-01), Nagase et al.
patent: 6929089 (2005-08-01), Asada
patent: 2005/0016789 (2005-01-01), Asada

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