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Risk identification and improvement of radar electromechanical control system based on PFMEA
Published:2018-06-13 author:XU Jun Browse: 19 Check PDF documents
                     Risk identification and improvement of radar electromechanical control system based on PFMEA
                                                                                    XU Jun
               (The thirtyeighth Institute of China Electronics Technology Group Corporation, Hefei 230088, China)



Abstract: Aiming at the safety risk identification problem of electromechanical control system, the radar electro mechanical and hydraulic integrated control system was studied, the principle and process of safety risk identification were summarized, and put forward a method about electromechanical control system security risk identification and improvement based on PFMEA. Combined with the process of radar electromechanical control system, the method of using PFMEA to summarize and identify the hidden dangers of process events were put forward, the severity and the possibility of accident consequences were defined, a PFMEA risk identification model based on process decomposition was proposed, and its analysis implementation process was presented. Taking the electromechanical control system to complete the antenna lifting movement as an example, the safety risk analysis, identification and improvement work were carried out by using PFMEA model. The results indicate that this method can quickly identify the safety risk points of the electromechanical control system and measure the safety level of the current electromechanical control system from the qualitative and quantitative view.

Key words: electromechanical control system; process failure modes and effects analysis(PFMEA); safety risk

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