Research for Control Technology of Loading Test platform for An Engine Fan Blade
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摘要: 为了达到电磁阀突然关闭时降低系统压力脉动,提高试验台加载力稳定性的目的,研究了某型飞机发动机风扇叶片高低周复合疲劳试验台加载控制技术。通过计算机仿真,基于MATLAB/Simhydraulics软件建立高低周疲劳试验台模型;改变蓄能器在液压试验台中的加载方式与位置,蓄能器前端管路管长与管内径以及系统参数的搭配,依次仿真。通过研究,高低周复合疲劳试验台的仿真达到了预期目的。
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关键词:
- 液压系统 /
- SimHydraulics /
- 蓄能器 /
- 计算机仿真
Abstract: In order to reduce the pressure pulsation and improve the stability of the loading test system induced by suddenly closing valves, the control technology of high and low cycle fatigue experiment test platform for an aircraft engine fan blade was studied. By means of the computer simulation, the model for high-low cycle fatigue experiment of test patform based on MATLAB/SimHydraulics was established. On the basis of the system model, the simulation by changing the position and loading ways of the accumulator and altering the length and tube diameter of the front pipeline of accumulator and matching the system with different parameters was completed for the hydraulic test platform. It is found that the simulation of high-low cycle fatigue test rig has reached the expected purpose.-
Key words:
- accumulator /
- Bode diagrams /
- computer simulation /
- computer software
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