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Based μC/OS- Ⅱ UAV flight control system software design

Author: ZhengXiaoChuan
Tutor: HuangYiMin
School: Nanjing University of Aeronautics and Astronautics
Course: Navigation,Guidance and Control
Keywords: UAV Flight control software Equivalent μC/OS- Ⅱ Interrupt
CLC: V249.1
Type: Master's thesis
Year: 2009
Downloads: 94
Quote: 5
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Abstract


Based on the embedded real-time operating system μC/OS- Ⅱ, constructed μC/OS- Ⅱ core of UAV flight control software for the design of new development methods. This article will flight control software development phase divided by the equivalent flight control software and airborne flight control software for flight control different stages of development services. Meanwhile, the two sets of software are interlinked and mutually complementary, the only difference between them is that the underlying driver section which controls navigation core code can be 100% for transplant. First flight control software in the traditional design methods based on the laboratory background made based μC/OS- Ⅱ new flight control software development methods. Secondly, according to the new flight control software development methodology designed equivalent flight simulation system, the completion of μC/OS- Ⅱ simulation runs in the Windows environment transplant foundation, design the equivalent flight control software, integrated simulation environment, and solve the other efficient flight simulation system communication problems. Equivalent flight simulation system is designed to be completed to the upper flight control software, the entire route simulation test, and can achieve 100% control the navigation core code transplanted to the onboard flight control software. After airborne flight control software of the upper control navigation code by the flight control software 100% equivalent transplanted from, and then complete the airborne flight control software, the underlying software design, solve μC/OS- Ⅱ processor in MPCC555 transplant, MPC555 abnormal system under μC/OS- Ⅱ interrupt service program design, CPU resource-driven design, peripheral boards drivers and other key issues. ΜC/OS- Ⅱ and designed for real-time operating system three external expansion modules. Including the serial interrupt communication module (OSCom module), precise time measurement module (OSBench modules), software monitoring module (Universal PC modules). Finally, all the work on this article conducted a systematic, precise experimental verification. Which accurately measure the μC/OS- Ⅱ in MPC555 processor running performance to prove that the flight control software platform usability; Equivalent Equivalent Flight Simulation results demonstrate the correctness of the flight control software logic, control feasibility; semi-physical real- simulation of the airborne flight control software design. This paper presents a new type of flight control software development methods have been started inside a laboratory, we design a new type of airborne flight control software has been used in a project have been carried out with the UAV field FBI, the upcoming flight.

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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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