| Turntable is a kind of modern equipment in area of military, aviation and spaceflight. The widest application of turntable is for tracking which concludes fast track and accurate location. Turntable can be used to imitate the movement with attitude angle in an aircraft when it is used in aviation. For military, it is mainly used to manufacture launch shelves of shells and guided missiles. This paper shows an example of turntable application in scientific research in colleges and universities. Based on GPT2201-PAN&TILT Vision Turntable produced by Googol Tech Company, the paper shows researches about target tracking control, and here are the contents:Firstly, the operating principle and method of PT Vision Turntable is stated in this paper, based on the study of structure of PT Vision Turntable.Secondly, establish a fuzzy model for PT Vision Turntable by applying fuzzy modeling method.Thirdly, design four control algorithms, including fuzzy control, PID control, the variable universe fuzzy control method, combination control of variable universe fuzzy control and PID control. Related principles are stated in the paper with emphasis on fuzzy model, fuzzy control and fuzzy controller designing method.At last, simulate four designed control methods by Matlab, and then analyze the results by comparing control curves, then program the control methods in VC6.0 and analyze the data of different control methods after which the final conclusion is given in this paper. |
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