Abstract
In order to achieve the goal of high control accuracy and fast convergence, a disturbance observer-based finite-time control (DOBFTC) strategy is presented for system with nonlinearity and disturbance with partially known information in this note. The disturbance with partially known information is estimated and rejected with the help of disturbance observer (DO). Combining with the DO and the finite-time theory, a DOBFTC strategy is put forward, which ensures the globally finite-time stable of the composite system. It not only speeds up the convergence rate but also realizes the high control precision of the system. Finally, a simulation example is provided to test the capability of the developed DOBFTC approach.
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Li, X., Wei, X. (2021). Disturbance Observer-Based Finite-Time Control for Systems with Nonlinearity and Disturbance. In: Jia, Y., Zhang, W., Fu, Y. (eds) Proceedings of 2020 Chinese Intelligent Systems Conference. CISC 2020. Lecture Notes in Electrical Engineering, vol 705. Springer, Singapore. https://doi.org/10.1007/978-981-15-8450-3_9
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