针对传感器故障的容错控制问题的数值解法
Numerical Methods for Fault-Tolerance Control Against Sensor Faults
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摘要: 针对状态反馈闭环系统中的传感器故障容错控制问题,先基于稳定多项式分解导出 该容错控制问题状态反馈闭环系统稳定的充分必要条件.在此基础上,基于相容非线性方程 组数值解法,提出具有传感器故障容错控制的状态反馈律设计方法.还基于数值优化解方法, 提出面向闭环系统极点配置的另一状态反馈容错控制律设计方法.计算机仿真算例表明此方 法的有效性.Abstract: For the fault-tolerance control against sensor faults in linear state feedback systems, sufficient and necessary conditions that make the closed--loop systems stable are proposed based on the fractionization method of the stable polynomials. Then, a designing method of the fault-tolerance state feedback law is presented via the numerical solutions to the nonlinear equations. Finally, based on the nonlinear optimization technique, another designing method of the fault-tolerance state feedback law for pole placement of the closedloop systems is proposed. Computer simulation examples show the effectiveness of these fault -tolerance control methods.
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Key words:
- Fault-tolerance control /
- integrity /
- state feedback /
- polynomial stability /
- numerical algorithm
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