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Dynamic Modeling and Simulation of OTV On-board Launch

Author: ZhangLei
Tutor: TangGuoJin
School: National University of Defense Science and Technology
Course: Aeronautical and Astronautical Science and Technology
Keywords: OTV Launcher Multi-body system Simulation Dynamics In-orbit launch Object-oriented
CLC: TP391.9
Type: Master's thesis
Year: 2007
Downloads: 117
Quote: 0
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OTV mobile platform as a space , reliable on-orbit launch capability to achieve its mandate, the mission an important prerequisite . Dynamics modeling and simulation of OTV in rail launch is to carry out an effective way for China's development of this important technology . OTV platform , launcher and payload as a launch system , the establishment of OTV payloads in orbit segment to the dynamic model of the whole process until a safe distance from the launch . Analyzed by a large number of simulation , of emitting device error on the transmission of the stationary impact study the security of the trajectory of the relative motion of the payload after launch . The rootless tree kinematics paper mainly achieved the following results : 1 , based on multi- rigid body dynamics the Robertson - Wittenberg (Roberson-Wittenburg) method , to study the emission stability and security for the purpose of in-orbit launch system and kinetic models . Relative to the OTV and payload as two independent rigid body modeling based on multi- rigid body dynamics model in the study during launch system rigid body interactions and the analysis of its orbit and attitude clear advantage. 2 , consider the Earth's non- spherical gravitational perturbation , atmospheric drag perturbation , the establishment of the high precision the OTV orbital dynamics model . The model and the multi- rigid body The root tree system dynamics model of a closed kinetic system . 3, based on the payload with OTV platform relative trajectory Clohessy-Wiltshire relative motion equation, the calculated emission and analyzed the emitted security in orbit . 4 , on the basis of the kinematics and dynamics modeling , object-oriented design ideas as a guide to complete system level analysis , and design the basic operation of the software framework , the emission dynamics simulation software developed in-orbit . 5 emission stability and security in-orbit evaluation , the use of dynamic simulation software in - orbit launch , in-orbit launch process simulation . Based on the simulation results , the analysis of the factors that affect the evaluation , and to explore the relationship between the influencing factors and evaluation . The solution of this research work OTV launch rail dynamics simulation developed by OTV in-orbit the emission dynamics simulation software effective application in the design of the launcher .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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