Hysteresis compensator for control systems

Details Hysteresis compensator for control systems Hysteresis compensator for control systems

1974-12-11

1976-09-07

Heyman, John S.

328158, 328172, 328154, H03K 1710

Patent

active

039796825

ABSTRACT:
A hysteresis compensator reduces the effects of a dead zone induced error in the actuation of a controlled device in response to a control signal. A bias is applied to the uncompensated control signal in a summing network, the direction of the bias being determined by the direction of the control signal. As a result of the bias, the desired action of the controlled device is such that its amplitude is directly related to the amplitude of the control signal. The compensator is described in connection with proportional, integral and derivative controls.

REFERENCES:
patent: 3553595 (1971-01-01), Walsh
patent: 3602825 (1971-08-01), Senior
patent: 3654560 (1972-04-01), Cath et al.
patent: 3699948 (1972-10-01), Ota et al.
patent: 3735273 (1973-05-01), Wright et al.
patent: 3898573 (1975-08-01), Sherman

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