Null controllability of an ODE-heat system coupled at boundary and internal term

Caijin Zeng, Zhongcheng Zhou and Chengkang Xie

Applied Mathematics and Computation, 2024, vol. 475, issue C

Abstract: In this article, the null controllability of a coupled ODE-heat system is considered by backstepping method. First, according to a backstepping transformation, the system is transferred into an intermediate system which has an equivalence of null controllability with the original system. Second, we divide the finite time interval into a sequence of time intervals, and on each time interval, transform the intermediate system into a target system through another backstepping transformation. Consequently, we obtain the crucial norm estimates of states and control laws. Finally, based on the invertibility of the target system, we prove null controllability of the intermediate system and ultimately, show the null controllability of the original coupled ODE-heat system. In addition, numerical experiment results are presented to examine the validity for the presented controller.

Keywords: Coupled ODE-heat system; Null controllability; Backstepping; Boundary control (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:475:y:2024:i:c:s0096300324001966

DOI: 10.1016/j.amc.2024.128724

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