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Fuzzy Neural Network Used in the Aircraft Automatic Landing System
Author: LiuXiaoHua
Tutor: BaiFengMing
School: Changchun University of Science and Technology
Course: Pattern Recognition and Intelligent Systems
Keywords: Fuzzy Control Fuzzy Neural Network Automatic aircraft landing system System Simulation
CLC: V227
Type: Master's thesis
Year: 2008
Downloads: 204
Quote: 2
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Abstract
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The main purpose of this thesis is to improve a particular model of aircraft automatic landing system control in order to meet the system is large inertia , variable load , in the harsh environment of the strong impact of rapid reaction , of landing the accuracy and performance stability requirements . The main work of this thesis is a comprehensive description of the fuzzy logic control theory and neural network theory and fuzzy neural network theory knowledge based on a new kind of fuzzy neural network structure , the design of a new type of fuzzy neural network controller , the fuzzy logic fuzzy reasoning and fuzzy rules converted into a neural network to form a distributed knowledge system using neural network self-learning function training , and constantly modify the neural network connection weights , to optimize the controller , the controller designed to meet the requirements ; then controller is applied to a particular model of aircraft automatic landing system to verify the performance of the intelligent controller design meets the requirements of engineering practice through a large number of simulation experiments . A large number of simulation experiments show that this paper designed a new type of fuzzy neural network model is compared with conventional fuzzy neural network model is not only simple , fast convergence and global approximation , robustness superior performance ; simulation results show that the design of the aircraft landing trajectory aircraft to maintain good tracking and adjustments in the process of decline and leveled ; comparative analysis of aircraft landing system to verify a new fuzzy neural network controller to improve the aircraft's landing performance .
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CLC: > Aviation, aerospace > Aviation > Aircraft Construction and Design > Control system
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