IEEE/CAA Journal of Automatica Sinica
Citation: | X. Yao, H. Sun, Z. Zhao, and Y. Liu, “Event-triggered bipartite consensus tracking and vibration control of flexible Timoshenko manipulators under time-varying actuator faults,” IEEE/CAA J. Autom. Sinica, vol. 11, no. 5, pp. 1190–1201, May 2024. doi: 10.1109/JAS.2024.124266 |
For bipartite angle consensus tracking and vibration suppression of multiple Timoshenko manipulator systems with time-varying actuator faults, parameter and modeling uncertainties, and unknown disturbances, a novel distributed boundary event-triggered control strategy is proposed in this work. In contrast to the earlier findings, time-varying consensus tracking and actuator defects are taken into account simultaneously. In addition, the constructed event-triggered control mechanism can achieve a more flexible design because it is not required to satisfy the input-to-state condition. To achieve the control objectives, some new integral control variables are given by using back-stepping technique and boundary control. Moreover, adaptive neural networks are applied to estimate system uncertainties. With the proposed event-triggered scheme, control inputs can reduce unnecessary updates. Besides, tracking errors and vibration states of the closed-looped network can be exponentially convergent into some small fields, and Zeno behaviors can be excluded. At last, some simulation examples are given to state the effectiveness of the control algorithms.
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