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http://dx.doi.org/10.5207/JIEIE.2009.23.2.108

Hybrid Adaptive Controller Improving The Jitter Noise  

Cho, Jeong-Hwan (김포대학 IT학부)
Hong, Kwon-Eui (김포대학 IT학부)
Ko, Sung-Won (김포대학 IT학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.23, no.2, 2009 , pp. 108-114 More about this Journal
Abstract
This paper proposes the new hybrid adaptive controller for fast response time and precision control of automation system which exist deadzone or non-linearity of system. The proposed system, which provides the improvement in terms of the control region in high speed and precision control, first used the fuzzy control method for fast response time and when the error reaches the preset value, used the PLL method designing PFD improved jitter for precision control. The new designed PFD improves the jitter noise and response characteristic without generating deadzone. The theoretical and experimental studies have been carried out. The presented results from the above investigation show considerably improved performance in the position control of automation system.
Keywords
Jitter; PLL; PFD; Deadzone;
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