Positioning control apparatus

Details Positioning control apparatus Positioning control apparatus

1989-08-03

1990-07-10

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

318561, 318621, 318638, 318632, 360 7702, 360 7705, G05D 23275

Patent

active

049409247

ABSTRACT:
The positioning control apparatus includes a feedback compensatory compensatory system for performing high-accurate positioning and a feedforward compensatory system for carrying out high-speed output response. The feedforward compensatory system is provided with a dynamic characteristic of an object to be controlled and a dynamic characteristic reverse to that of a control system by a feedback compensation. Transfer characteristic from a position command to an output of the object is assumed to be 1. As a result, there can be easily obtained a desired output response as well as a desired control input.

REFERENCES:
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patent: 4092683 (1978-05-01), Andrews, Jr. et al.
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patent: 4748393 (1988-05-01), Fincher et al.
patent: 4833551 (1989-05-01), Song
"Design of a Disk File Head-Positioning Servo" IBM Journal of Research and Development, vol. 18, No. 6, Nov. 1974.

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