∞ control-based passive Fault-Tolerant Flight '/> Passive Fault-Tolerant Flight Control Design Example for Elevator Efficiency Reduction Using Structured H∞ Control*
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Passive Fault-Tolerant Flight Control Design Example for Elevator Efficiency Reduction Using Structured H∞ Control*

机译：用于电梯效率的被动容错飞行控制设计例用结构化H∞控制*

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This paper presents a design example of structured H∞ control-based passive Fault-Tolerant Flight Control (FTFC) for the longitudinal motion of a research airplane MuPAL-α, and also presents the results of Hardware-In-the-Loop Simulation (HILS) tests using the actual MuPAL- α. The FTFC comprising PID and feedforward gains is designed using hinfstruct command implemented in MATLAB® for the linearized longitudinal airplane motion model combined with a Linear Time-Invariant Parameter-Dependent (LTIPD) system representing the modeling errors of the onboard actuator and a Linear Parameter-Varying (LPV) system representing the possible actuator efficiency reduction. As hinfstruct command cannot handle parameter-dependent systems directly, we adopt two-step design, viz., we first obtain controller gain candidates which are common for multiple Linear Time-Invariant (LTI) models selected from the combined system comprising the longitudinal motion model, the LTIPD system and the LPV system with specifically fixed parameter values, and we then analyze the actual performance using the combined system via Linear Matrix Inequalities (LMIs) under the supposed parameter variation rate bounds.
机译：本文介绍了结构化H的设计示例∞ 基于控制的被动容错飞行控制（FTFC），用于研究飞机MUPal-α的纵向运动，并且还使用实际的MUPal-α提出了硬件型仿真（HIL）测试的结果。包括PID和馈电增益的FTFC使用MATLAB实现的HINFSTRUCT命令设计® 对于线性化纵向飞机运动模型，与表示船上致动器的建模误差和表示可能的致动器效率降低的线性参数变化（LPV）系统的线性时间不变参数相关（LTIP）系统。由于Hinfstruct命令不能直接处理参数依赖的系统，我们采用了两步设计，viz，我们首先获得控制器增益候选，这对于从包括纵向运动模型的组合系统中选择的多个线性时间不变（LTI）模型很常见，LTIPD系统和具有专门固定参数值的LPV系统，然后我们通过在假定的参数变化率界限下通过线性矩阵不等式（LMI）来分析实际性能。

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