×

Control apparatus and method for operating a switched reluctance motor

  • US 4,777,419 A
  • Filed: 01/28/1987
  • Issued: 10/11/1988
  • Est. Priority Date: 01/28/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of operating a switched reluctance machine having stator phase windings and a rotor comprising:

  • cyclically energizing the phase windings to operate the machine at a desired speed;

    sampling the energizing current at a predetermined time after the beginning of a cycle, the energizing current at that time being a function of rotor position;

    comparing the sampled current value with a reference to generate an error signal representative of the difference between the rotor position and a desired rotor position at the beginning of a cycle;

    controlling the energization current in response to the error signal so as to correct the rotor position during the next cycle in the direction of the desired position.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×