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Disturbance Observer-Based Finite-Time Control for Systems with Nonlinearity and Disturbance

机译:基于扰动观察者的有限时间控制,用于非线性和干扰的系统

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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.
机译:为了实现高控制精度和快速收敛的目的,在本备注中具有非线性和干扰的系统,向基于干扰观察者的有限时间控制(DOBFTC)的有限时间控制(DOBFTC)策略。利用干扰观察者(DO)的帮助,估计和拒绝具有部分已知信息的扰动。结合DO和有限时间理论,提出了一种DOBFTC策略,这确保了复合系统的全球有限时间稳定。它不仅加快了收敛速度,还可以实现系统的高控制度精度。最后,提供了一种模拟示例以测试显影的DOBFTC方法的能力。

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