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文中的研究目的是建立倾转旋翼飞机的模型,从而解决倾转旋翼飞机的控制问题。介绍了基于PIC18F单片机和微机械(MEMS)传感器的微小倾转旋翼机纵向通道辨识建模系统设计。其中系统设计采用了实验建模的方法,利用PIC单片机的CCP模块实时捕捉遥控输入信号,利用MEMS传感器实时采集飞行姿态信号,并在MATLAB/SIMULINK环境下进行了仿真。仿真结果表明系统能够准确采集输入和输出数据。通过精密低速转台测速实验,证明该系统工作稳定,精度可靠,实时性较好。
The purpose of this paper is to establish a model of tiltrotor aircraft to solve the control problem of tiltrotor aircraft. The design of longitudinal channel identification modeling system for micro tilting rotorcraft based on PIC18F single chip microcomputer and micro-mechanical (MEMS) sensor is introduced. The system design uses the experimental modeling method. The CCP module of the PIC microcontroller is used to capture the remote control input signals in real time. The flight attitude signals are acquired in real time by MEMS sensors and simulated in MATLAB / SIMULINK environment. Simulation results show that the system can accurately capture the input and output data. Through the precision low-speed turntable speed test, the system proved to be stable, reliable, real-time better.