排序方式: 共有74条查询结果,搜索用时 31 毫秒
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研究受L2范数有界未知扰动影响的一类马尔可夫跳跃线性系统的基于观测器的故障诊断滤波器设计问题.应用H∞优化技术,给出并证明了随机稳定并满足一定性能指标的残差产生系统的存在条件.通过求解线性矩阵不等式可求得故障诊断滤波器设计的解析解. 相似文献
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The outlier detection and accommodation of integration navigation of strapdown inertial navigation systems and global position system (SINS/GPS) were studied. Based on analyzing the innovation orthogonal property in Kalman filter, an outlier adaptive detection approach was first presented, which included the determination of evaluation function and threshold and the logic decision of outlier occurrence. To effectively attenuate the influence on estimation accuracy, a modified Kalman filter algorithm was proposed by accommodation of the dynamic data with outlier. Results of data processing from vehicle-test SINS/GPS integration navigation show the effectiveness of the proposed method. 相似文献
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奇异Markov跳跃系统的鲁棒故障检测 总被引:2,自引:0,他引:2
研究受L2有界未知输入影响的一类奇异Markov跳跃系统的鲁棒故障检测问题。采用基于观测器的故障检测滤波器(FDF)作为残差产生器,将故障检测滤波器的设计归结为随机意义下的H∞滤波问题。推导并证明了问题可解的充分条件,并通过求解线性矩阵不等式得到了故障检测滤波器参数矩阵的解。算例验证了所给算法的有效性。 相似文献
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非线性摄动系统的鲁棒故障诊断滤波器设计ILMI算法 总被引:2,自引:0,他引:2
The robust fault detection filter design for uncertain linear systems with nonlinear perturbations is formulated as a two-objective optimization problem. Solvable conditions for the exis- tence of such a robust fault detection filter are given in terms of matrix inequalities (MIs), which can be solved by applying iterative linear matrix inequality (ILMI) techniques. Particularly, compared with two existing LMI methods, the developed algorithm is more generalized and less conservative. An illustrative example is given to show the effectiveness of the proposed method. 相似文献
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一种鲁棒故障检测与反馈控制的最优集成设计方法 总被引:6,自引:0,他引:6
研究线性不确定系统的反馈控制器与鲁棒故障检测滤波器集成设计问题.基于新提出的性能指标函数,将鲁棒故障检测滤波器设计问题归结为最优化问题,通过求解Riccati方程可得到鲁棒故障检测滤波器设计问题的最优解.在共用同一状态观测器的情况下,将反馈控制器和鲁棒故障检测滤波器的集成设计问题归结为两目标优化问题,解决了同时满足闭环控制系统设计要求和故障诊断系统鲁棒性能的最优集成设计问题.简例验证了提出算法的有效性. 相似文献
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指纹识别是技术较为成熟且应用广泛的生物识别技术分支。但是,随着指纹库容量的不断加大,对于1:N的指纹识别模式,现有的指纹识别算法很难满足指纹识别应用的性能指标。为了解决这个问题,文章提出了一种分布式的在线指纹识别系统,介绍了指纹库分解的原则、方法和解决方案,并成功地应用于某地区的养老金发放。实际应用表明,该系统能够大大提高指纹识别的精度和速度。 相似文献