Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1984-08-29
1987-01-20
Shoop, Jr., William M.
Electricity: motive power systems
Switched reluctance motor commutation control
318138, 318139, 318439, H02K 2908
Patent
active
046382240
ABSTRACT:
A drivetrain for use with an electrically powered vehicle. The drivetrain has a source of electric power and an electric motor, including a rotor and a stator. A flag means rotates in a timed relationship with the rotor. A sensor means is mounted in a predetermined angular relationship with the stator and senses the presence of the flag means as the rotor turns. The sensor generates a signal representative of rotor position. An adjustment means selectively alters the angular relationship between the sensor means and the stator as a function of motor speed to effect a desired load angle and back EMF. Circuit means are provided to selectively energize the motor, in response to signals from the sensor means, as a function of rotor position.
REFERENCES:
patent: 4296650 (1981-10-01), Kalns
patent: 4306179 (1981-12-01), Whitford
patent: 4316132 (1982-02-01), Geppert
patent: 4399393 (1983-08-01), Santini
patent: 4532460 (1985-07-01), Gale et al.
patent: 4549121 (1985-10-01), Gale
"Hall Effect Devices and Their Applications", Electronics Industry, May 1979, pp. 23-27.
Eaton Corporation
Ro Bentsu
Shoop Jr. William M.
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