期刊
ASIAN JOURNAL OF CONTROL
卷 23, 期 6, 页码 2537-2549出版社
WILEY
DOI: 10.1002/asjc.2399
关键词
adaptive control; infinite-dimensional backstepping transformation; PDE-ODE cascade systems; unknown spatially varying parameter
资金
- National Natural Science Foundation of China [61873146, 61973186, 61703237, 61773332, 61821004]
- Key and Development Plan of Shandong Province [2019JZZY010433]
- Taishan Scholars Climbing Program of Shandong Province
- Fundamental Research Funds of Shandong University
This paper focuses on adaptive stabilization for uncertain hyperbolic PDE-ODE cascade systems, addressing challenges posed by unknown spatially varying and constant parameters. By introducing an infinite-dimensional backstepping transformation and state-feedback boundary controller with adaptive techniques, the study ensures stability of the resulting closed-loop system, as demonstrated through a simulation example.
This paper is devoted to the adaptive stabilization for uncertain hyperbolic PDE-ODE cascade systems. Remarkably, unknown spatially varying and unknown constant parameters exist in the PDE and ODE subsystems, respectively. This brings essential difficulties in the design of compensator and boundary controller, and in the involved performance analysis. To solve the control problem, an infinite-dimensional backstepping transformation (simplified as IDBT) and its inverse are first introduced to change the original system into a new system (called target system). Then, a state-feedback boundary controller is constructed for the target system by incorporating the adaptive technique based on projection operator, which can guarantee the desirable stability of the resulting closed-loop system. Finally, a simulation example is provided to illustrate the effectiveness of the proposed adaptive controller.
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