Interpolated reference for improved digital feedback control reg

Details Interpolated reference for improved digital feedback control reg Interpolated reference for improved digital feedback control reg

1997-03-05

1998-11-17

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347260, 318810, G05B 1902

Patent

active

058383590

ABSTRACT:
A feedback control regulator including a regulated device, a sensor for providing a feedback signal representing a characteristic of the regulated device, and a reference signal. An interpolator provides mathematically manipulated feedback and reference signals and a summing function responds to the mathematically manipulated feedback and reference signals for providing and error signal. In particular, the feedback signal is augmented by 2x and the reference signal is augmented by 2x plus 1. A controller responds to the error signal for adjusting the characteristic of the regulated device.

REFERENCES:
patent: 5208796 (1993-05-01), Wong et al.
patent: 5381165 (1995-01-01), Lofthus et al.
patent: 5441389 (1995-08-01), Wolcott et al.
patent: 5530642 (1996-06-01), Lofthus et al.

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