Automatic gain adjustment device and automatic gain...

Details Automatic gain adjustment device and automatic gain... Automatic gain adjustment device and automatic gain...

2008-01-22

2008-01-22

Knight, Anthony (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C327S147000, C327S156000, C375S373000

Reexamination Certificate

active

10813454

ABSTRACT:
An automatic gain adjustment device and method capable of accurately adjusting a gain with a simple structure. In an automatic gain adjustment method of a feedback control system that uses a phase difference between an output signal obtained from a controlled object and an input signal while controlling the object based on the input signal, a phase shift amount is set to cause a frequency of the input signal to coincide with the crossover frequency at which the open loop gain forming the feedback control system becomes 0 dB, and a phase of the input signal is shifted based on the phase shift amount.

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