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Based on a new special co-inner-outer factorization, a factorization approach for design fault detection observer for LSFDJ was proposed. It is a simple state-space method and can deal with time varying LSFDJ with sensor noise and sensor faults. The performance of the fault detection observer is optimized in an H∞ setting,where the ratio between the gains from disturbance and fault to residual respectively is minimized. The design parameters of the detection observer were given in terms of the solution to the Riccati differential equation with jumps. 相似文献
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路堤软基土工合成材料加筋的机理研究 总被引:2,自引:0,他引:2
详细分析了路堤软基土工合成材料加筋的机理,并在此基础上提出了加筋处理路堤软基采用承载力分析模式是合适的。 相似文献
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Actuator Fault Detection for Sampled-Data Systems in H∞ Setting 总被引:3,自引:0,他引:3
Actuator fault detection for sampled-data systems was investigated from the viewpoint of jump systems.With the aid of a prior frequency information on fault, such a problem is converted to an augmented H∞ filtering problem. A simple state-space approach is then proposed to deal with sampled-data actuator fault detection problem. Compared with the existed approaches, the proposed approach allows parameters of the sampled-data system being time-varying with consideration of measurement noise. 相似文献