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The Application and Research of Control System for Airborne Optoelectronic Pod

Author: WangLiBo
Tutor: ShangJianDong
School: Henan University of Science and Technology
Course: Measuring Technology and Instruments
Keywords: Optical pod Control system Parameter self-tuning fuzzy PID control ATmega128 Field test
CLC: V249.1
Type: Master's thesis
Year: 2011
Downloads: 132
Quote: 2
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Abstract


The airborne optical pod set of optical , mechanical , micro-electronics , automatic control and communication technology as one of the high-tech products , often hung on the outside of the moving vehicle , the use of the photoelectric sensor to scan the target , and scanned images and data information real-time feedback to assist pilots to complete the target of the search , reconnaissance . Airborne optical pod has become important in the field of aerospace equipment , developed much national attention . In this paper, the airborne optical pod as research background, focus on the control system of the airborne optical pod . The pod is built-in visible and infrared imager , in search of land and sea surface targets day and night or low visibility , and to accurately determine the target coordinates of the location . In this paper, the control system for the specific object of study , the analysis and the establishment of a mathematical model of the control system of the control system . Simulation system model in consideration of the aircraft attitude change , air and wind resistance , mechanical vibration , load disturbances and other factors that affect the stability of the system , a theoretical study focusing on the parameter self-tuning fuzzy PID algorithm in the application of the control system , and the use of Matlab . The experiment shows that parameters self-tuning fuzzy PID control algorithm in airborne optical pod control system to obtain better control effect . The algorithm has strong robustness , dynamic performance and good , and to improve the stability of the control system . On this basis , the ATmega128 microcontroller DC servo motor and optical encoder as the control center , equipped with a motor drive board constitute a servo control system and design the characters superimposed unit , the control system status information is displayed on the screen in real time on . At the same time , build the hardware circuit , and the preparation of the control program . Finally, the pod control system field test , the system can automatically scan angle measurement , superimposed characters and other features , and to verify the feasibility of the design . Research projects for the next pod control technology to explore new avenues , its content has a certain theoretical and practical value .

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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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