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Title: A Comparison of H-infinity-Synthesis and Feedback Linearization for Rotary Inverted Pendulum
Authors: Güneş, Uygar
Sel, Artun
Kürkçü, Burak
Kasnakoğlu, Coşku
Keywords: rotary inverted pendulum
H1 control
feedback linearization
transformation of RHP zeros
non-minimum phase
genetic algorithm
Issue Date: 2020
Publisher: IEEE
Source: 11th International Conference on Mechanical and Aerospace Engineering (ICMAE) -- JUL 14-17, 2020 -- Athens, GREECE
Abstract: This paper investigates the performance comparison of H-infinity based control and feedback linearization. The comparison is conducted on a challenging rotary inverted pendulum (RIP) system. The main difficulty of controlling RIP is the existence of RHP poles and zeros. Since the plant does not satisfy the typical H-infinity control design conditions, a transformation of the location of RHP zeros is employed which put the system in a desired/solvable form. The existence of unstable internal dynamic states also causes some problems in the design of feedback linearization. These problems is solved by employing an outer loop cascade control scheme. The theoretical backgrounds and the design steps for the specific problem are listed. The designed controllers are tested on the nonlinear model whose parameters are perturbed to test the robustness of the controllers. The results of the Monte Carlo simulations are presented and findings are discussed.
ISBN: 978-1-7281-8322-0
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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