The invention provides an ACF rotor trailing edge flap and an aerodynamic load rigidity test method thereof, and the method comprises the steps: 1, carrying out the displacement test of a rhombic piezoelectric actuator in a clamped-free state, step 2, carrying out an output force and displacement test on the rhombic piezoelectric actuator in a clamped-clamped state, and obtaining a voltage signal [delta] sgfree (pk-pk) and an output displacement # imgabs0 # of the output end of the driver; step 3, carrying out a stack strain voltage test on the rhombic piezoelectric actuator in a clamped-clamped state, and obtaining a voltage signal [delta] sgblock (pk-pk) of a strain sensor; step 4, obtaining an output displacement # imgabs1 # of an output end of the actuator and an output force # imgabs2 # of the actuator, and calculating a blocking force # imgabs3 # of the actuator; step 3, carrying out a stack strain voltage test on the rhombic piezoelectric actuator in a clamped-clamped state, and obtaining a voltage signal [delta] sgblock (pk-pk) of the strain sensor; 4, testing the ACF rotor blade in a non-rotating state, and calculating to obtain the spring external load rigidity kflap of the driving device; 5, testing the ACF rotor blade in a rotating state to obtain the external load rigidity kload of the driver; and step 6, according to the spring external load rigidity kflap of the driving device and the external load rigidity kload of the actuator, calculating the pneumatic external load rigidity kaero of the trailing edge flap in the rotating state of the rotor wing.
本申请提供一种ACF旋翼后缘襟翼及其气动载荷刚度测试方法,方法包括:步骤1:对菱形压电作动器在固支‑自由状态下进行位移测试,获得电压信号Δsgfree(pk‑pk)和驱动器输出端输出位移#imgabs0#步骤2:对菱形压电作动器在固支‑固支状态下进行输出力与位移测试,获得驱动器输出端输出位移#imgabs1#和驱动器的输出力#imgabs2#计算驱动器的阻塞力#imgabs3#步骤3:对菱形压电驱动器在固支‑固支状态下进行叠堆应变电压测试,获得应变传感器的电压信号Δsgblock(pk‑pk);步骤4:对ACF旋翼桨叶在不旋转状态下进行测试,计算得到驱动装置弹簧外载刚度kflap;步骤5:对ACF旋翼桨叶在旋转状态下进行测试,获得驱动器外载刚度kload;步骤6:根据驱动装置弹簧外载刚度kflap和作动器外载刚度kload,计算旋翼旋转状态下后缘襟翼的气动外载刚度kaero。
ACF rotor trailing edge flap and aerodynamic load rigidity testing method thereof
一种ACF旋翼后缘襟翼及其气动载荷刚度测试方法
29.11.2024
Patent
Elektronische Ressource
Chinesisch
Elsevier | 2025
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