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首页> 外文期刊>International Journal of Adaptive Control and Signal Processing >A discrete-time indirect adaptive multiple-model actuator failure compensation scheme
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A discrete-time indirect adaptive multiple-model actuator failure compensation scheme

机译：离散时间间接自适应多模型执行器故障补偿方案

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摘要

A new discrete-time actuator failure compensation control scheme is developed, using a multiple-model adaptive control approach which has the capacity to achieve faster and more accurate compensation of failure uncertainties. An individual adaptive system, for each possible failure pattern in a failure pattern set of interest for compensation, is designed using an indirect model reference adaptive control scheme for actuator failure compensation. A multiple-model control switching mechanism for discrete-time systems is set up by finding the minimal performance index to select the most appropriate control law. The performance indices are based on the adaptive estimation errors of individual parameterized systems with actuator failures. Simulation results from an aircraft flight control system example are presented to show the desired closed-loop system stability and tracking performance despite the presence of uncertain actuator failures. Copyright (c) 2014 John Wiley & Sons, Ltd.
机译：使用多模型自适应控制方法，开发了一种新的离散时间执行器故障补偿控制方案，该方案具有实现故障不确定性的更快，更准确补偿的能力。针对执行器故障补偿的间接模型参考自适应控制方案，针对感兴趣的故障模式集中的每个可能的故障模式，设计了一个单独的自适应系统。通过找到最小性能指标来选择最合适的控制律，从而建立了用于离散时间系统的多模型控制切换机制。性能指标基于具有执行器故障的单个参数化系统的自适应估计误差。给出了飞机飞行控制系统示例的仿真结果，以显示所需的闭环系统稳定性和跟踪性能，尽管存在不确定的执行器故障。版权所有（c）2014 John Wiley＆Sons，Ltd.

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