Fault Detection and Diagnosis and Fault Tolerance Compensation for Electric Actuator

Huan Xin Cheng; Fei Yi; Li Cheng

doi:10.4028/www.scientific.net/AMM.328.144

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 328Fault Detection and Diagnosis and Fault Tolerance...

Fault Detection and Diagnosis and Fault Tolerance Compensation for Electric Actuator

Abstract:

In the paperhe faults of loops for the process control system, electric actuators (valves) faults for example,established a historical fault library to diagnose the type of faults.Through system modeling method, a mathematical model analyzed the residuals robustness, which proposed a weighted moving average residuals and adaptive threshold envelope trajectory-based fault detection methods.Finally, the faults were adjusted by the active fault tolerant compensation module reasonably.

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Periodical:

Applied Mechanics and Materials (Volume 328)

Pages:

144-148

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.328.144

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Online since:

June 2013

Authors:

Huan Xin Cheng, Fei Yi, Li Cheng

Keywords:

Adaptive Threshold Envelope Trajectory, Fault Tolerance Compensation, Robust Fault Detection, Weighted Moving Average Residuals Technology

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