Electronics Optics & Control, Volume. 25, Issue 2, 53(2018)

Finite-Time Control for Uncertain Nonlinear Systems with Input Constraints

YOU Hong and DIAN Songyi
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  • [in Chinese]
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    To solve the problems of current methods in processing the uncertain nonlinear system with input constraints, such as complicated computation and the large errors, we proposed a step-by-step controller-designing method with finite-time stability. In the process of the control design, an unsaturated finite-time controller of the system was designed by adding a power integrator. Then, when the output of the controller exceeded the bounded upper-limit output, the functional knowledge was used to prove that the system was finite-time stable at that time and that the segment point was existed, and the selection rules of the corresponding parameters were given. As a result, the segment handling of the input-constraint problem was realized. Simulation results proved the effectiveness of the proposed method.

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    YOU Hong, DIAN Songyi. Finite-Time Control for Uncertain Nonlinear Systems with Input Constraints[J]. Electronics Optics & Control, 2018, 25(2): 53

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    Paper Information

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    Received: Apr. 13, 2017

    Accepted: --

    Published Online: Jan. 22, 2021

    The Author Email:

    DOI:10.3969/j.issn.1671-637x.2018.02.011

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