Noise reducing estimator

Details Noise reducing estimator Noise reducing estimator

1992-04-06

1996-01-09

Envall, Jr., Roy N.

Boots, shoes, and leggings

364176, 360 75, G05B 1300, G11B 2100

Patent

active

054834384

ABSTRACT:
An estimator for reducing noise is disclosed. The estimator receives an input signal from controllably driven mechanical parts (the "plant"), estimates an internal physical quantity in the plant and outputs a first estimated physical quantity. A low frequency filter receives a detection signal from the plant. Another estimator receives the low frequency detection signal and outputs a second estimated physical quantity. A mixer receives the first and second estimated physical quantities and outputs a third estimated physical quantity.

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Gene F. Franklin et al., "Digital Control of Dynamic Systems", 2nd ed., Chapter 6.3, pp. 230-264.

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