Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Armature control by digital or combined analog and digital...
Patent
1988-11-29
1991-05-07
Ro, Bentsu
Electricity: motor control systems
Closed loop speed control system for dc motor with commutator
Armature control by digital or combined analog and digital...
318479, 318634, 361 25, 361 30, 388930, 388934, H02P 700
Patent
active
050143352
ABSTRACT:
Method of controlling at least one electric motor on an offset printing machine by inputting a set point for the rotational speed, which comprises forming a set point for the rotational speed by means of a device for controlling the electric motor, and reducing the value of the set point as a function of a measured line voltage when the line voltage is inadequate.
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Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
Ro Bentsu
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