Study on Fault Simulation for Pneumatic Actuator Model

Zhi Gang Feng; Xue Juan Zhang

doi:10.4028/www.scientific.net/AMR.706-708.1025

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 706-708Study on Fault Simulation for Pneumatic Actuator...

Study on Fault Simulation for Pneumatic Actuator Model

Abstract:

Actuator, as the execution of the terminal unit of the control system is directly related to the safe and reliable operation of the production process, and once actuators in the system malfunction, will bring huge losses. The research on pneumatic actuator not only devote to the study of its structure, but also need to study the basic theory of the actuator system modeling, and Laid a foundation for the study of the actuator fault diagnosis. Firstly, this paper introduces the components and working principle of the pneumatic actuators which mainly include three parts: pneumatic servomotor, positioner, and control valve. Secondly, the DABlib modules of MATLAB/Simulink as the simulation model of actuator failure are introduced. Finally, we analyzed the common faults of the pneumatic servomotor, positioner, and control valve, and in the MATLAB/Simulink environment, the faults are simulated, and describes the phenomenon of two typical fault.

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Periodical:

Advanced Materials Research (Volumes 706-708)

Pages:

1025-1028

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.706-708.1025

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Online since:

June 2013

Authors:

Zhi Gang Feng, Xue Juan Zhang

Keywords:

Control Valve, DABlib Modules, Fault Simulation, Pneumatic Actuator, Pneumatic Servomotor, Positioner

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