Electricity: motive power systems – Positional servo systems – With compensating features
Patent
1989-07-18
1991-05-07
Ip, Paul
Electricity: motive power systems
Positional servo systems
With compensating features
318621, 318625, 310 905, 32420712, G05B 501, F16C 3906
Patent
active
050139878
ABSTRACT:
A control device for controlling displacement of a magnetically supported moving member according to a command. A feedback circuit detects the displacement of the moving member to servo-control the same to thereby ensure stability and robustness of magnetic supporting. A feedforward circuit has an input terminal receptive of a command and an output terminal connected to the feedback circuit, and cooperates with the feedback circuit while not disturbing the stability and robustness of the magnetic suppporting for controlling the displacement of the moving member according to the command.
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Trans. of Japan Society of Mechanical Engineers, Nov. 1967, vol. 33, No. 255, "Research of Control System For Magnetic Bearing of the Thrust Type", H. Shimizu et al., pp. 1753-1759.
Adams Bruce L.
Ip Paul
Seiko Instruments Inc.
Wilks Van C.
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