Method and system for contolling the position of a servo motor i

Details Method and system for contolling the position of a servo motor i Method and system for contolling the position of a servo motor i

1998-03-02

1999-11-02

Masih, Karen

Electricity: motive power systems

Positional servo systems

With compensating features

318560, 31856822, 31856823, 318569, G05D 23275

Patent

active

059777389

ABSTRACT:
A method and system for accurately controlling a position of a servo motor in a vehicle speed control system for various operation conditions includes predetermined parameters of a polynomial which define desired positions of a servo motor for various vehicle speeds under normal operation conditions. A sensor senses a speed of the vehicle and generates a corresponding speed signal. A controller determines an initial desired position of servo motor based on the speed signal. The controller also determines whether the operation condition of the vehicle has deviated from the normal operation condition, and if so, determines a revised desired position of the servo motor based on the actual position of the servo motor and the initial desired position of the servo motor. Finally, the controller controls the servo motor based on the revised desired position of the servo motor.

REFERENCES:
patent: 5615116 (1997-03-01), Gudat et al.
patent: 5684696 (1997-11-01), Rao et al.

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