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The Design of Gyroscope and Realization of Flight Control

Author: LinShenJu
Tutor: WangJianHua
School: Jiangsu University of Science and Technology
Course: Signal and Information Processing
Keywords: Unmanned Aerial Vehicle (UAV) flight control gyro GPS ARM
CLC: V249.1
Type: Master's thesis
Year: 2011
Downloads: 137
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Abstract


Unmanned Aerial Vehicle (UAV) has been used as the study object of both institutions and university all over the world, because it’s comprehensively applied both in military and civilian areas. Flight control system is very important for an UAV, and it determines various flight performances of UAV. Simultaneously the navigation system and the flight control system also has the inseparable relations. Therefore much research work is needed for flight control system.This paper which bases on UAV flight control system, researches the global development, the design of both hardware and software, debug and calibration compensation. First, it introduces the theory of inertial navigation system and GPS navigation system which provides the necessary theory for overall design, including coordinate frame and coordinate frame conversion, the strap-down attitude arithmetic, GPS positioning and GPS algorithm. Second, it takes the global design of hardware system, selects the device, such as gyro, GPS, and processor, the design of electric circuit schematic and the manufacture of PCB board. Its hardware platform is constituted of three axle gyroscope’s inertial navigation system and double antenna GPS navigation system. Third, it takes the design and debug of the software system, including of collecting data from gyro, PWM signal control, GPS signal processing and serial communication circuit. Base on combine navigation technology, it improves the precision and reliability of the flight control system by combining the data recepted from both gyro and GPS. Then, it analyses the basic principle, control law and remote control principle of fight control, making the preliminary realization of flight control. In the end, in order to improve the measurement precision and ensure the reliability of MEMS gyro, the real testing data analysis is done via the matlab computation and simulation. We also analyze the GPS data to ensure its position precision.The whole research work of the paper is founded on the real model basing on ARM. We design and implement the flight control system and it comes with a board application. The author has analyzed all kinds of problems in practice and tried different methods to improve the system performance. The paper will be valuable reference to the development of flight control system.

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CLC: > Aviation, aerospace > Aviation > Aircraft instrumentation,avionics, flight control and navigation > Flight control system and navigation > Flight control
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