Title
Asynchronous <italic>H<sub>∞</sub></italic> Continuous Stabilization of Mode-Dependent Switched Mobile Robot
Abstract
Four-wheeled steerable mobile robots have been widely used in industrial fields. However, robust tracking control is hard to achieve with a fixed maneuver mode. Based on a novel internal coupled sliding mode control (ICSMC) method, this study handles the above challenge by constructing a mode-dependent switched mobile robot (MSMR), and then designing an asynchronous <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$H_{\infty}$ </tex-math></inline-formula> continuous stabilization control scheme. This method governs the system behaviors to perform adaptive-mode allocations asynchronously and smoothly. First, a unified expression of MSMR is formulated, which regards the maneuver modes as optional subsystems. Then, with the coupled sliding surfaces and modified reaching law, an enhanced chattering-free ICSMC technique is established to optimize continuous control inputs for each subsystem. Moreover, using a surveillant criterion that depicts the energy decaying rate, an evaluation rule is built to distinguish the mismatched subsystems and then realize autonomous mode switching for the concerned MSMR. Utilizing piecewise Lyapunov functional technique and mode-dependent average dwell time, new sufficient conditions are derived for global exponential stability and <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$H_{\infty}$ </tex-math></inline-formula> performance. Comparative experiments implemented on the developed MSMR are carried out to verify the effectiveness of the proposed control scheme.
Year
DOI
Venue
2022
10.1109/TSMC.2021.3119054
IEEE Transactions on Systems, Man, and Cybernetics: Systems
Keywords
DocType
Volume
Asynchronous H∞ continuous stabilization,chattering-free internal coupled sliding-mode control (ICSMC),global exponential stability,mode-dependent switched mobile robot (MSMR)
Journal
52
Issue
ISSN
Citations 
11
2168-2216
0
PageRank 
References 
Authors
0.34
26
5
Name
Order
Citations
PageRank
Yuanlong Xie169.38
Xiaolong Zhang213526.02
Shiqi Zheng3416.32
Choon Ki Ahn4121881.53
Shuting Wang562.51