Digital stabilization of fuzzy systems with network-delay
Jongbae Lee
Chang-Woo Park
Joongki Chung
Hagyeong Sung
Precision Machery Center, Korea Electron. Technol. Inst., Puchon Si, South Korea;
This paper appears in: Robotics, Automation and Mechatronics, 2004 IEEE Conference on
Publication Date: 1-3 Dec. 2004
Volume: 1,
On page(s): 519- 524 vol.1
ISSN:
ISBN: 0-7803-8645-0
INSPEC Accession Number: 8435636
Current Version Published: 2005-06-13
Abstract
This paper presents the design methodology of digital fuzzy controller (DFC) for the systems with time-delay. We propose the fuzzy feedback controller whose output is delayed with unit sampling period and prediction. The analysis and the design problem considering time-delay become easy because the proposed controller is synchronized with the sampling time. The stabilization problem of the digital fuzzy system with time-delay is solved by linear matrix inequality (LMI) theory. Convex optimization techniques are utilized to solve the stable feedback gains and a common Lyapunov function for the designed fuzzy control system. To show the effectiveness of the proposed control scheme, the network control example is presented.
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