The invention discloses a helicopter rotor balance real-time monitoring and adjusting device, which comprises intelligent variable pitch pull rods, a data acquisition unit, an information processing module, an airborne control module and a collector ring, and is characterized in that the intelligent variable pitch pull rods are mounted on each blade of a helicopter; the data acquisition unit is used for acquiring the height of a cone and a vibration signal of a rotor and transmitting the signals to the information processing module; the information processing module carries out resolving and filtering and sends the processed cone height and vibration signals to the airborne control module; the airborne control module inputs the cone height and vibration signals into the control model, and the driving torque, output by the control model, of the intelligent variable-pitch pull rod is transmitted to the intelligent variable-pitch pull rod through the collector ring to adjust the expansion amount of the stroke pull rod. The method can effectively overcome the defects that the adjusting capacity of a propeller hub counterweight adding mode is limited and helicopter shutdown adjustment is needed, the height of a rotor cone is adjusted in real time to reduce vibration, and the technical level of helicopter rotor balance maintenance is integrally improved.
本发明公开了一种直升机旋翼平衡实时监测与调整装置,包含智能变距拉杆、数据采集单元、信息处理模块、机载控制模块和集流环,智能变距拉杆安装在直升机的每一片浆叶上;数据采集单元用于采集锥体的高度和旋翼的振动信号并传递到信息处理模块;信息处理模块进行解算和滤波,并将处理后的锥体高度和振动信号发送到机载控制模块;机载控制模块将锥体高度和振动信号输入到控制模型,将控制模型输出的智能变距拉杆的驱动力矩通过集流环传递至智能变距拉杆调节行程拉杆的伸缩量。本发明能有效克服桨毂添加配重方式调节能力有限且需直升机关机调节的缺点,实时调节旋翼锥体高度以降低振动,整体提高直升机旋翼平衡维护的技术水平。
Helicopter rotor balance real-time monitoring and adjusting device
一种直升机旋翼平衡实时监测与调整装置
2021-10-22
Patent
Electronic Resource
Chinese
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