摘要
应用电磁干扰理论,分析了干扰案例的干扰机理和耦合通道,导出了干扰案例的等效电路,建立了Matlab仿真模型并进行了验证,最后根据上述模型给出了消除干扰的解决措施。Matlab仿真和台架试验结果表明,仿真模型和解决方案是合理、正确、可行的。该研究能够为航空发动机数控系统电磁干扰故障理论分析起一定的指导作用,有利于采取针对性措施,提高应急能力。
The electromagnetic interference case in the bench test of numerical control system for the aircraft engine is studied by using electromagnetic interference theory.Firstly,the major sources of interference and the major coupling channels are analyzed.Secondly,the equivalent circuit of the electromagnetic interference case is gotten,and the Matlab simulation model is built and verified.Finally,according to the proposed model,the solutions to eliminate interference are given.The simulation and bench test results show that the simulation model and the solutions are reasonable,correct and feasible.The study plays a guiding role in theory analysis on electromagnetic interference which is found in numerical control system of aircraft engines,and it is helpful to take specific measures and improve the capability of the emergency response.
出处
《测控技术》
CSCD
北大核心
2013年第8期131-133,136,共4页
Measurement & Control Technology
关键词
航空发动机数控系统
电磁干扰
干扰源
耦合通道
MATLAB仿真
numerical control system of aircraft engine
electromagnetic interference
sources of interference
coupled channel
Matlab simulation