Uav Telemetry Data Transmission System Design And Implementation

The UAV(unmanned aviation vehicle) has been widely used on civil field and military purpose. With the experiment of new weaponry or other needs, the capability of UAV has been required more and more highly. Along with the development of microprocessor, flash memorizer and digital transmitter-receiver or other apparatuses, it is feasible to manufacture UAV of new series.This based on a certain scientific research item, carrying through the research and discuss of data transmission in measure and command system and flight control system, design a complete digital transfer system on UAV which based on the practical requirements of clients and combined with the microprocessor , digital radio and other components. To accomplish this system, we carry through a mass of experiments and former improvements on hardware circuit, software program, reliability which is involved in ground equipment to measure and command UAV, wireless communications, flight control system and all other parts of data transmission. With the achievements of telecontrol instructions, parameter up load, telecontrol information real-time display, storage and release of flight enregister, this system can fulfil the requirements to UAV on measure and command.Compared with traditional UAV measure and command system, the system reduced equipment complication and plane weight. With application of wireless adjust parameter in the system, we can not only reduce the work on flight preparation, but also improve flight efficiency and reduce trial times. Due to transmit and receiver signals on one radio, the system increase UAV measure and command distance one and a half times. Compared with traditional UAV measure and command system, it improved the capability of flight stability, altitude and direction confirmation and fault management.