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Research on Virtual Test Technology of Aircraft Thrust Reverser

Author: LiZiQiang
Tutor: ZhaoJianJun
School: Huazhong University of Science and Technology
Course: Mechanical Design and Theory
Keywords: Virtual Test Thrust Reverser System Modelica
CLC: V216
Type: Master's thesis
Year: 2011
Downloads: 34
Quote: 0
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Abstract


Because of the economic and market factors and technology development, application of virtual test is getting more and more important and urgent in industrial field. At present the ground experiments are usually used to evaluate the functionality and performance of products in aircraft industry, which cannot be carried out until completing design and prototype. It seriously affects the development cycle and causes a rise in product development costs. To solve this problem, virtual test can be run in the virtual simulation environment after products are modeled. It can take tests in design stage and in repeatable conditions to remove potential faults, evaluate the functionality and analyze troubleshooting cases.This article researches virtual test technology on aircraft thrust reverser system. The main research work is as follows:1. Modeling the thrust reverser system. A method of modeling thrust reverser in Modelica is studied. Based on the method, the models in Modelica of thrust reverser system are built on MWorks by analysis of working principle of thrust reverser system, which make up the model library for virtual test of thrust reverser system in various working conditions.2. Establishing the virtual test visual environment based on PLC. The research on interaction and visual technology in virtual test environment is done. An interactive method based on PLC is presented with the process of solving and animation improved. Based on the method, real-time solving and 3D animation exhibition is realized by collecting interactive signals in PLC, which provide visual environment for virtual test.3. Carrying out the virtual test of thrust reverser. The virtual function tests and virtual fault tests in all kinds of working conditions are carried out, from which the test data is compared with the data of ground tests. The virtual testing of thrust reverser is helpful to verify the system functions, to provide the basis for the research on system performance, which can effectively reduce both development time and testing cost.

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CLC: > Aviation, aerospace > Aviation > Basic theory and experiments > Aircraft ground tests
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