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Research on Control Technique of Brushless Direct Current Electric Rudder Loop for UAV

Author: WeiLin
Tutor: ChenXin；LvXunFu
School: Nanjing University of Aeronautics and Astronautics
Course: Navigation,Guidance and Control
Keywords: UAV The rudder loop control system AC electric steering gear Brushless DC Servo Servo controller Modeling and Simulation
CLC: V249.1
Type: Master's thesis
Year: 2008
Downloads: 276
Quote: 4
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Abstract


AC rudder loop has been successfully applied for many years in a variety of models UAV . Modeling and Parameter Estimation of the existing AC Servo based on demand for new type of UAV development , re- design the front signal processing algorithms and control law , effectively improve system response speed and positioning accuracy . However, due to the low exchange rudder loop measurement accuracy and mechanical clearance reasons , only rely on the optimization of the controller can not fundamentally improve the accuracy of the rudder loop , control quality can not meet the demand for new UAV . The DC brushless rudder Loop to become a research focus in recent years for its excellent electrical and mechanical properties . With the development of the rudder loop control technology , the overall technical indicators such as volume weight , bandwidth , mechanical clearance , lag time , efficiency and so much better than the traditional exchanges rudder loop . From the control system design and research point of view , the exchange rudder loop brushless DC rudder loop there is no essential difference , \Therefore , the new technology used in the study of exchange rudder loop , new methods and research achievements can be transplanted to the DC the rudder loop design with study . Inheritance and development strategy as the guiding ideology , the completion of a complete design of the DC brushless rudder loop . Developed core microcontroller , speed controller , the Servo controller hardware verification platform , the platform has small size , high degree of integration , the control law is easy to adjust and optimize the advantages . Development and realization of the control software of the servo control and serial communication functions . The actual test results verify the correctness of the design , which laid the foundation for the next stage of the research work .

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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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