期刊
IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS
卷 51, 期 8, 页码 4650-4658出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2019.2944900
关键词
Vibrations; Transient analysis; Steady-state; Disturbance observers; Control systems; Visualization; Oscillators; Boundary control; invariance principle; output constraint; prescribed performance; vibration control
资金
- National Natural Science Foundation of China [61803109, 11832009]
- Innovative School Project of Education Department of Guangdong [2017KQNCX153, 2018KQNCX192, 2017KZDXM060]
- Science and Technology Planning Project of Guangzhou City [201904010494, 201904010475]
- National Research Foundation of Korea through the Ministry of Science, ICT and Future Planning [NRF-2017R1A1A1A05001325]
This article presents a novel controller design to ensure the prescribed performance of a vibrating flexible beam system that possesses boundary output constraints and external disturbances. The proposed controller utilizes a smooth performance function and boundary output constraints to stabilize the vibration in the beam system and cope with external disturbances. The application of the principle of invariance ensures rigorous analysis and asymptotic stability of the system. Simulation results demonstrate the effectiveness of the suggested approach.
This article presents a novel controller design to ensure the prescribed performance of a vibrating flexible beam system that possesses boundary output constraints and external disturbances. First, boundary output constraints are visualized as the prescribed performance characteristics, and a smooth performance function along with a proper error transformation is introduced. Second, a boundary constrained controller with a disturbance observer is developed to achieve the present performance, cope with the external disturbance, and stabilize the vibration in the beam system. Third, the principle of invariance is used for rigorous analysis and to ensure the system's asymptotic stability. Finally, the result of simulation research shows the effectiveness of the suggested approach.
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