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在分析了某型飞机起落架收放作动筒液压测试系统的原理基础上,根据其加载力跨距大和加载精度高的特点,采用三菱FX2N PLC对其液压控制系统进行交流和直流分开控制设计,成功地解决加载力跨距大和加载精度高的问题,测试系统具有精度高、性能稳定等优点。
Based on the analysis of the principle of the hydraulic test system of the landing gear of a certain type of aircraft landing gear, according to the characteristics of large loading force span and high loading accuracy, the Mitsubishi FX2N PLC is used to design the AC control and DC control of the hydraulic control system , Which successfully solved the problem of large loading force span and high loading accuracy. The test system has the advantages of high precision and stable performance.