In traditional wind tunnel aircraft wind resistance experiments,the working turntable equipped with the aircraft cannot achieve steering control in space,so it cannot simulate the operating state of the aircraft in a real environment.A control scheme for wind tunnel working turntable based on servo hydraulic cylinder and servo motor was designed for this purpose.The designed wind tunnel working turntable achieves directional control of the aircraft in space by controlling the expansion and contraction of four hy-draulic cylinders and the rotation of the circular table.In the design,the mechanical structure of the wind tunnel working turntable is first provided,and then a mathematical model is established based on the control requirements and geometric motion relationships of the wind tunnel working turntable.Finally,simulation experiments are conducted using Simulink in MATLAB.The simulation experi-ment shows that by inputting different step signals,both Table 5 and Table 2 can effectively control the spatial direction of the working turntable.
关键词
伺服电机/工作转台/风洞/伺服液压缸/方向控制
Key words
servo motor/work turntable/wind tunnel/Servo hydraulic cylinder/direction control
维普
万方数据