Constant speed control for a motor

Details Constant speed control for a motor Constant speed control for a motor

1997-03-20

1998-12-08

Masih, Karen

Electricity: motive power systems

Limitation of motor load, current, torque or force

318254, 318138, 318798815-, 318632, 318638, 318601, 318607, 318432, 388813, A01R 3946

Patent

active

058475249

ABSTRACT:
A motor having a power switching circuit adapted to be connected between a power source and its winding for selectively energizing the winding to generate a magnetic field which causes a rotating assembly to rotate. A position sensing circuit provides a position signal representative of the position of the rotating assembly and a commutating circuit controls the power switching circuit to commutate the power switching circuit at a commutating angle to achieve a desired rotating speed of the rotating assembly. The commutating circuit varies the commutating angle in response to the position signal to maintain the substantially constant rotating speed of the rotating assembly. As result, the efficiency of the motor is varied to maintain the substantially constant rotating speed.

REFERENCES:
patent: 3180267 (1965-04-01), Bemmann et al.
patent: 3248626 (1966-04-01), Landis
patent: 3333172 (1967-07-01), Brailsford
patent: 3375422 (1968-03-01), Boudigues
patent: 3569806 (1971-03-01), Brailsford
patent: 3740629 (1973-06-01), Kohlhagen
patent: 3759051 (1973-09-01), Ohnishi
patent: 3805134 (1974-04-01), Osamu et al.
patent: 3831071 (1974-08-01), Mitsui
patent: 4022980 (1977-05-01), Kitzjewski et al.
patent: 4099104 (1978-07-01), Muller
patent: 4134035 (1979-01-01), Donahoo
patent: 4152613 (1979-05-01), Kitai et al.
patent: 4162418 (1979-07-01), Kawaki et al.
patent: 4230976 (1980-10-01), Muller
patent: 4249116 (1981-02-01), Hieda
patent: 4259603 (1981-03-01), Uchiyama et al.
patent: 4262241 (1981-04-01), Azusawa
patent: 4347464 (1982-08-01), Park et al.
patent: 4365187 (1982-12-01), McDaniel et al.
patent: 4376261 (1983-03-01), vonderHeide et al.
patent: 4379984 (1983-04-01), Muller
patent: 4408150 (1983-10-01), Holston et al.
patent: 4449081 (1984-05-01), Doemen
patent: 4486697 (1984-12-01), Diefenbach et al.
patent: 4491772 (1985-01-01), Bitting
patent: 4511827 (1985-04-01), Morinaga et al.
patent: 4512724 (1985-04-01), Horvath
patent: 4520296 (1985-05-01), Lepper et al.
patent: 4544868 (1985-10-01), Murty
patent: 4565956 (1986-01-01), Zimmermann et al.
patent: 4574225 (1986-03-01), Pershall et al.
patent: 4600864 (1986-07-01), Sato
patent: 4618806 (1986-10-01), Grouse
patent: 4638223 (1987-01-01), Tajima et al.
patent: 4642534 (1987-02-01), Mitchell
patent: 4651069 (1987-03-01), Pellegrini
patent: 4686437 (1987-08-01), Langley et al.
patent: 4712054 (1987-12-01), Boldt
patent: 4717864 (1988-01-01), Fultz
patent: 4724365 (1988-02-01), Muller
patent: 4734627 (1988-03-01), Koerner
patent: 4737674 (1988-04-01), Miyao
patent: 4742259 (1988-05-01), Schaefer et al.
patent: 4743815 (1988-05-01), Gee et al.
patent: 4748388 (1988-05-01), Muller
patent: 4760315 (1988-07-01), Nanae et al.
patent: 4763052 (1988-08-01), Lundin et al.
patent: 4777419 (1988-10-01), Obradovic
patent: 4782272 (1988-11-01), Buckley et al.
patent: 4855629 (1989-08-01), Sato
patent: 4891567 (1990-01-01), Fujitani et al.
patent: 4928043 (1990-05-01), Plunkett
patent: 4929871 (1990-05-01), Gerfast
patent: 4950960 (1990-08-01), Krefta et al.
patent: 4958099 (1990-09-01), Chigira et al.
patent: 4987329 (1991-01-01), Schmidt et al.
patent: 4987331 (1991-01-01), Horng
patent: 5040286 (1991-08-01), Stark
patent: 5045740 (1991-09-01), Hishinuma
patent: 5093599 (1992-03-01), Horng
patent: 5114171 (1992-05-01), D'Antonio
patent: 5126608 (1992-06-01), Sogabe et al.
patent: 5130591 (1992-07-01), Sato
patent: 5162709 (1992-11-01), Ohi
patent: 5179308 (1993-01-01), Malsky
patent: 5194794 (1993-03-01), Shamoto
patent: 5196775 (1993-03-01), Harris et al.
patent: 5293103 (1994-03-01), Hanna
patent: 5304904 (1994-04-01), Sakai
patent: 5446326 (1995-08-01), Scheider
patent: 5492458 (1996-02-01), Horng
patent: 5521481 (1996-05-01), Yamada
J.S. Mayer et al., 8047d IEEE Transactions on Energy, Conversion 4(1989) Sep., No. 3, New York, U.S.
Analysis and Modeling of a Single-Phase Brushless DC Motor Drive System, Sep. 1989, pp. 473-479.

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