Device for reducing the lag in recovery of a non-linear subsidia

Details Device for reducing the lag in recovery of a non-linear subsidia Device for reducing the lag in recovery of a non-linear subsidia

1987-03-16

1988-06-07

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

'reset' systems

318561, 318609, G05B 1142

Patent

active

047499281

ABSTRACT:
This invention relates to an improved device for reducing the lag of position of a non-linear copying system or subsidiary controller for a regulation loop, which comprises a comparator establishing the difference which enters in a multiplier from which emerges a signal sent into another comparator elaborating the difference between this signal and the difference between the frequency and the frequency reference, so that the output of this comparator is introduced into the integral action circuit of the subsidiary controller.

REFERENCES:
patent: 4146270 (1979-03-01), Nurmberger et al.
Article "Speed Governing System For Rotating Machines Electro-Hydraulic Control Copying System" M. Dautremay pp. 27-38 From Revue Technique NEYRPIC, No. 6 1987.

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