Robust Fault Diagnosis by Using Bond Graph Approach

Djeziri M. A.; Merzouki R.; Bouamama B. O.; Dauphin-Tanguy G.

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Robust Fault Diagnosis by Using Bond Graph Approach

机译：结合图方法的鲁棒故障诊断

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This paper deals with the generation of fault indicators and residual thresholds in the presence of parameter uncertainties by using a bond graph representation in linear fractional transformation (LFT) form. The residuals'' sensitivity analysis, which is based on the fault detectability indexes, is used for residuals evaluation. The developed algorithms are applied on an electromechanical test bench system for on-line fault detection and isolation. Simulation and experimental tests show the influence of dead zone magnitude and variations of system parameters on the residuals.

机译：本文通过使用线性分数变换（LFT）形式的键图表示来处理在参数不确定的情况下故障指标和残差阈值的生成。基于故障可检测性指标的残差敏感性分析用于残差评估。所开发的算法被应用于机电测试台系统，用于在线故障检测和隔离。仿真和实验测试表明死区幅度和系统参数变化对残差的影响。

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来源
《IEEE / ASME Transactions on Mechatronics》 |2007年第6期|p.599-611|共13页
作者
Djeziri M. A.; Merzouki R.; Bouamama B. O.; Dauphin-Tanguy G.;
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正文语种 eng
中图分类机械设计、计算与制图;无线电电子学、电信技术;
关键词
Bond graph; fault detection and isolation (FDI); linear fractional transformation (LFT); mechatronic systems; parameter uncertainties; residuals'' sensitivity analysis;

机译：键合图;故障检测与隔离（FDI）;线性分数变换（LFT）;机电系统;参数不确定性;残差''灵敏度分析;

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Robust Fault Diagnosis by Using Bond Graph Approach

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