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首页> 外文期刊>WSEAS transactions on systems and control >Robust Fault-Tolerant Tracking Control Scheme for Nonlinear Nonaffine-in-control Systems Against Actuator Faults
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Robust Fault-Tolerant Tracking Control Scheme for Nonlinear Nonaffine-in-control Systems Against Actuator Faults

机译：非线性非仿射控制系统对执行器故障的鲁棒容错跟踪控制方案

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摘要

In this paper a theoretical framework of robust fault-tolerant control (FTC) for a class of nonlinear nonaffine-in-control systems is developed. In the framework, an observer-like auxiliary system is designed via adaptive and sliding mode techniques, which is only required to ensure that the output of the auxiliary system asymptotic tracking plant output. Based on the auxiliary system, a reconfigurable fault-tolerant tracking controller is proposed for nonaffine-in-control systems. In this paper, the focus is on the accommodation of the actuator faults and resulting disturbances. It is shown that the proposed FTC design results in asymptotic convergence of the tracking error to zero. Finally, the proposed approach is verified using a three-degree-of-freedom simulation of a typical fighter aircraft and the significantly improved system response demonstrates the practical potential of the theoretic results obtained.
机译：本文为一类非线性非仿射控制系统建立了鲁棒容错控制（FTC）的理论框架。在该框架中，通过自适应和滑模技术设计了类似观察者的辅助系统，仅需确保辅助系统的输出渐近跟踪植物的输出即可。基于辅助系统，针对非仿射控制系统，提出了一种可重构的容错跟踪控制器。在本文中，重点是解决执行器故障和由此产生的干扰。结果表明，提出的FTC设计导致跟踪误差渐近收敛到零。最后，使用典型战斗机的三自由度仿真对提出的方法进行了验证，系统响应的显着改善证明了所获得理论结果的实际潜力。

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