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Flight Control Software Design and Research for UAV Based on μC/OS-Ⅱ

Author: PanXiaoLiang
Tutor: HuangYiMin
School: Nanjing University of Aeronautics and Astronautics
Course: Navigation,Guidance and Control
Keywords: UAV μC / OS-II MPC555 processor Airborne flight control software Equivalent flight control software
CLC: V249.1
Type: Master's thesis
Year: 2011
Downloads: 134
Quote: 0
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Abstract


With the UAV flight control system for more complex functions , UAV flight control software performance requirements are getting higher and higher . Topic is the research background and the actual project needs , we adopt a new idea for the design and development of UAV flight control software . Underlying operating environment and function module onboard flight control software developed in the flight control computer , while the core of the control function modules in the design and development of the equivalent flight control software , control function module design is completed without any transplanted directly equivalent to airborne flight control software , eventually forming a complete airborne flight control software . First, in the the MPC555 processor flight control computer design developed airborne flight control software environment and functionality of the underlying run service module . Completed the transplant of μC / OS-II real-time operating system on the MPC555 processor and Flash development of the flight control computer to read and write , the real-time clock memory read and write drive watchdog driven analog drive , discrete driver and serial communication drive . Airborne flight control software , in the underlying operating environment has been established on the same time , the division of tasks , and the priority assignment , the detailed design of the tasks of the various functional service module , reliable data communications between the various tasks through shared data structures and semaphores . Secondly , according to the the equivalent flight control software design thinking μC / OS-II real-time operating system design and development of the equivalent flight control software under the Windows XP platform focuses on the various tasks of the control function module design process , and to resolve to emulate with equal data communication problems between the real console . Simulation and optimization in the the equivalent simulation environment in the development and design of the control function module . Finally, performance testing, has developed airborne flight control software and comprehensive simulation in semi- real-time physical simulation system designed by the onboard flight control software . The experimental results show that the design of the flight control software structure , logic , and control strategies are reasonable, also proves that the the equivalent flight control software design, development and validation of control function module .

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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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