The Feedback Control of an Ultralow Frequency Vibration Table Based on a Fuzzy Self-Tuning PID Controller

Tian Li She; Qiao Yu Yang

doi:10.4028/www.scientific.net/AMM.274.575

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 274The Feedback Control of an Ultralow Frequency...

The Feedback Control of an Ultralow Frequency Vibration Table Based on a Fuzzy Self-Tuning PID Controller

Abstract:

An ultralow frequency vibration table can easily receive external interferences when it works. These interferences result to distortion of the output and reduction of calibration precision. A new method was adopted to reduce the distortion of an ultralow frequency vibration. At first, we modeled a vibration table by analyzing its structure, so that we got its transfer function. Then a fuzzy self-tuning PID controller was introduced and it was based on closed loop feedback theory. We verified the controller by MATLAB and experiments on an ultralow frequency vibration table. Simulation and experiments show that the fuzzy self-tuning controller can effectively reduce the distortion of a vibration table.

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Periodical:

Applied Mechanics and Materials (Volume 274)

Pages:

575-578

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.274.575

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Online since:

January 2013

Authors:

Tian Li She, Qiao Yu Yang

Keywords:

Closed Loop Feedback Control, Fuzzy Self-Tuning PID Controller, Ultralow Frequency Vibration Table

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