Second-order sliding mode controller design with mismatched term and time-varying output constraint

Chen Ding, Li Ma and Shihong Ding

Applied Mathematics and Computation, 2021, vol. 407, issue C

Abstract: The current work develops a new approach to handle the second-order sliding mode (SOSM) controller design with mismatched term and time-varying output constraint. A novel time-varying Barrier Lyapunov Function (BLF) is firstly constructed to deal with the time-varying output constraint. A new SOSM dynamics subject to mismatched terms is established for the purpose of uncertainty reduction in control input channels. Meanwhile, by incorporating the time-varying BLF into the adding a power integrator (API) technique, a new finite-time SOSM controller, which can ensure that the system output variable will not violate the boundary of the constrained region, is explicitly constructed. Finally, a simulation example is given to illustrate the feasibility of the proposed SOSM algorithm.

Keywords: Second-order sliding mode; Time-varying output constraint; Adding a power integrator; Barrier lyapunov function; Finite-time stability (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:407:y:2021:i:c:s0096300321004203

DOI: 10.1016/j.amc.2021.126331

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