Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent
1988-10-05
1990-03-20
Shoop, Jr., William M.
Electricity: motor control systems
Closed loop speed control system for dc motor with commutator
Armature control by digital or combined analog and digital...
318640, 318475, 388810, G05B 106
Patent
active
049107895
ABSTRACT:
A constant speed driving apparatus comprises a starting means for starting a control unit, the first pulse-generating means for generating the first pulse signal with a predetermined frequency, a driving mechanism for driving a load, the second pulse-generating means for generating the second pulse signal corresponding to driving speed of the driving mechanism, and the control unit for controlling the driving mechanism on the basis of the first and second pulse signals.
REFERENCES:
patent: 4041362 (1977-08-01), Ichiyanagi
patent: 4157489 (1979-06-01), Tal
patent: 4457639 (1984-07-01), Nagai
patent: 4489260 (1984-12-01), Matsushita
patent: 4575246 (1986-03-01), Nishizawa et al.
patent: 4647169 (1987-03-01), Suzuki et al.
patent: 4675589 (1987-06-01), Sausner et al.
Akiyama Mamoru
Atsuta Toshikatsu
Morooka Takayoshi
Murai Nobuaki
Shiroshita Hirotaka
Kyocera Corporation
Shoop Jr. William M.
Wysocki A. Jonathan
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