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Sliding mode control of uncertain fractional‐order systems: A reaching phase free approach
Author(s) -
Kamal Shyam,
Sharma Rahul Kumar,
Dinh Thach Ngoc,
MS Harikrishnan,
Bandyopadhyay Bijnan
Publication year - 2021
Publication title -
asian journal of control
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.769
H-Index - 53
eISSN - 1934-6093
pISSN - 1561-8625
DOI - 10.1002/asjc.2223
Subject(s) - control theory (sociology) , inverted pendulum , sliding mode control , mode (computer interface) , controller (irrigation) , phase (matter) , order (exchange) , system dynamics , computer science , control (management) , control engineering , engineering , nonlinear system , physics , economics , agronomy , biology , operating system , finance , quantum mechanics , artificial intelligence
This paper proposes a sliding surface which renders the system dynamics to start directly from itself without a reaching phase. More specifically, the system dynamics is insensitive to matched disturbances/uncertainties throughout the entire system response. The controller design based on reduced‐order subsystem is still preserved. It is different from integral sliding mode in which the design is based on the full order of the system to reach the same objective. The simulation results of its application to a fractional inverted pendulum system is demonstrated.