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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Active Fault Tolerant Control Design for LPV Systems with Simultaneous Actuator and Sensor Faults
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Active Fault Tolerant Control Design for LPV Systems with Simultaneous Actuator and Sensor Faults

机译：具有同声执行器和传感器故障的LPV系统的主动容错控制设计

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摘要

The present paper addresses the problem of robust active fault tolerant control (FTC) for uncertain linear parameter varying (LPV) systems with simultaneous actuator and sensor faults. First, fault estimation (FE) scheme is designed based on two adaptive sliding mode observers (SMO). Second, using the information of simultaneous system state, actuator, and sensor faults, two active FTC are conceived for LPV systems described with polytopic representation as state feedback control and sliding mode control. The stability of closed-loop systems is guaranteed by mean of H∞ performance; sufficient conditions of the proposed methods are derived in LMIs formulation. The performance effectiveness of FTC design is illustrated using a VTOL aircraft system with both sensor and actuator faults as well as disturbances. In addition, comparative simulations are provided to verify the benefits of the proposed methods.
机译：本文涉及具有同时执行器和传感器故障的不确定线性参数变化（LPV）系统的强大有源容错控制（FTC）的问题。首先，基于两个自适应滑动模式观察者（SMO）设计故障估计（FE）方案。其次，使用同步系统状态，执行器和传感器故障的信息，构思了两个有源FTC，用于用多粒子表示作为状态反馈控制和滑动模式控制来构思的LPV系统。闭环系统的稳定性通过H∞性能的平均值保证;所提出的方法的充分条件衍生于LMIS制剂中。使用传感器和执行器故障以及扰动的VTOL飞机系统来说明FTC设计的性能效果。此外，提供了比较模拟以验证所提出的方法的好处。

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