Decentralized output-feedback control of large-scale nonlinear systems with sensor noise |
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| Authors: | Tengfei Liu Zhong-Ping Jiang David J Hill |
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| Affiliation: | 1. Department of Electrical and Computer Engineering, Polytechnic Institute of New York University, Six Metrotech Center, Brooklyn, NY 11201, USA;2. School of Electrical and Information Engineering, The University of Sydney, NSW 2006, Australia;1. School of Electrical Engineering and Automation, Jiangsu Normal University, Xuzhou 221116, China;2. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China;1. School of Automation, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, PR China;2. School of Science, Huzhou Teachers College, Huzhou 313000, Zhejiang, PR China;1. College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, China;2. SATIE, ENS Cachan, USTL, CNRS, UniverSud, 61 avenue du Président Wilson, 94235 Cachan Cedex, France;3. Department of Mechanical and Industrial Engineering, Concordia University, Montreal, Quebec H3G 1M8, Canada;1. The Key Laboratory of Image Processing and Intelligent Control, Department of Control Science and Engineering, Huazhong University of Science and Technology, 430074, PR China;2. School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore;3. Department of Electronics and Information Systems, Akita Prefectural University, Akita, Japan |
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| Abstract: | This paper presents a new tool for decentralized output-feedback control design of large-scale nonlinear systems in the presence of non-smooth sensor noise. Through a recursive control design approach, the closed-loop decentralized system is transformed into a network of input-to-state stable (ISS) systems and the influences of the sensor noise are represented by ISS gains. The decentralized control objective is achieved by applying the cyclic-small-gain theorem to the closed-loop decentralized system. Moreover, the outputs of the closed-loop decentralized system can be driven arbitrarily close to the levels of their corresponding sensor noise. |
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