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Research and Development of the Thrust Vector Measuring System for Rocket Motor

Author: HuXuXiao
Tutor: SunBaoYuan
School: Dalian University of Technology
Course: Mechanical and Electronic Engineering
Keywords: Rocket engine thrust Thrust Misalignment Static calibration Test system
CLC: V433.9
Type: Master's thesis
Year: 2006
Downloads: 231
Quote: 0
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Abstract


Rocket propulsion technology is widely used in space science experiments and national defense construction , precise control of the engine thrust is of great significance to control the aircraft running posture, to improve the target hit accuracy . The rocket engine thrust vector space force vector , its magnitude and direction changing . The actual engine thrust skew and offset will directly affect the flight test control accuracy and target shooting accuracy , and may cause the test to fail . In order to improve the accuracy of target hit , must be strictly followed , and control of engine thrust eccentric . In this paper, a review of domestic and foreign research status quo of the various multi contribute testing device as well as various forms of the realization of the principle of the test device , proposed for the test system of the engine thrust vector parameter requirements , conduct the validation of the overall program , the the static calibration device structure design and a large number of experiments , the development of the test system software and system hardware circuit design and debugging work . Thrust vector test system consists of a four - dimensional voltage power sensor , the signal obtained using each of the force sensor of each component obtained by the analysis of the structure of the test system parameters as well as the mathematical model , the respective force component by the measured reverse Solving the major thrust of the thrust vector parameters eccentric . The paper describes the analysis yielded the cause of the white interference by the large number of experiments proposed method to reduce or eliminate Interphase Interference . Static calibration and data processing system , and analyze the dynamic mathematical model of the system and the system 's natural frequency measurement , solve strain test system natural frequency in the past , the problem of dynamic test can not be carried out . Through continuous improvement and development of the loading device in the experiment , and then loads the device used in the experiments , the reliability and correctness of the engine thrust vector test system is verified through experiments and uncertainty analysis . The experimental results show that the principle of the test system of the engine thrust vector practicable experimental data to achieve the desired design goals , and laid the foundation for the further study of the test system of the engine thrust vector .

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Propulsion system ( engine, propeller ) > Engine control systems and devices > Engine test
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