Detection time for deterministic and stochastic systems with unknown inputs

机译：输入未知的确定性和随机系统的检测时间

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This paper investigates the detection and diagnosis of actuator faults by using an Unknown Input Observer (UIO).The proposed UIO design guarantees robust residual generation through decoupling the disturbances effects from the faults ones. The discrimination between the faults and the effects of uncertain signals and perturbations on the residues minimizes the duration of fault detection for deterministic systems. Then these results were extended to the general case of stochastic linear systems by using an optimal observers for systems with unknown disturbances and noise. A simulation is done on an aeronautic model to illustrate the theoretical development.

机译：本文使用未知输入观测器（UIO）来研究执行器故障的检测和诊断。所提出的UIO设计通过将故障的干扰效应解耦，从而确保了强大的残差生成。故障之间的区别以及不确定信号和扰动对残渣的影响之间的区别最小化了确定性系统的故障检测时间。然后，通过使用具有未知干扰和噪声的系统的最优观测器，将这些结果扩展到随机线性系统的一般情况。在航空模型上进行了仿真，以说明理论发展。

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《2014 International Conference on Electrical Sciences and Technologies in Maghreb》|2014年|1-7|共7页
会议地点 Tunis(TN)
作者
Houiji Marwa; Hamdaoui Rim; Aoun Mohamed;
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Nat. Eng. Sch. of Gabes, Gabes Univ., Gabès, Tunisia;

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2. Actuator Fault Detection for Discrete-Time Descriptor Systems via a Convex Unknown Input Observer with Unknown Scheduling Variables [J] . Javier Martinez, Braulio Aguiar, Víctor Estrada-Manzo, Mathematical Problems in Engineering: Theory, Methods and Applications . 2021,第a期

机译：具有未知调度变量的凸未知输入观察者的离散时间描述符系统的执行器故障检测
3. An improved log-likelihood gradient for continuous-time stochasticsystems with deterministic input [J] . Leland R.P. IEEE Transactions on Automatic Control . 1996,第8期

机译：具有确定性输入的连续时间随机系统的改进的对数似然梯度
4. Detection time for deterministic and stochastic systems with unknown inputs [C] . Houiji Marwa, Hamdaoui Rim, Aoun Mohamed International Conference on Electrical Sciences and Technologies in Maghreb . 2014

机译：具有未知输入的确定性和随机系统的检测时间
5. Unknown Time-Varying Input Delay Compensation for Uncertain Nonlinear Systems. [D] . Obuz, Serhat. 2016

机译：不确定非线性系统的未知时变输入延迟补偿。
6. H∞ Estimation for Stochastic Time Delays in Networked Control Systems by Partly Unknown Transition Probabilities of Markovian Chains [O] . Chenyu Guo, Weidong Zhang -1

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7. Stochastic Hybrid Estimator Based Fault Detection and Isolation for Wind Energy Conversion Systems with Unknown Fault Inputs [O] . Yun-Tao Shi, Yuan Zhang, Xiang Xiang, 2018

机译：基于随机混合估算器的风能转换系统具有未知故障输入的故障检测与隔离
8. Adaptive Policies for Discrete-Time Stochastic Control Systems with Unknown Disturbance Distribution [R] . Hernandaz-Lerma, O., Marcus, S. I. 1987

机译：具有未知扰动分布的离散随机控制系统的自适应策略

Detection time for deterministic and stochastic systems with unknown inputs

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