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The General Analysis and Design on the Orbit for Space Emergency Rescue Mission

Author: LiJiuRen
Tutor: LiHaiYang
School: National University of Defense Science and Technology
Course: Mechanics
Keywords: Space for emergency Large motorized Quick rendezvous Autonomous rendezvous Launch window Guidance Simulation
CLC: V448.2
Type: Master's thesis
Year: 2007
Downloads: 78
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Abstract


Failure in orbit spacecraft can be launched from the ground rescue aircraft timely rescue , you may avoid major losses . More systematic analysis of space launch window for emergency rescue mission , orbit control methods , the main contents include the following aspects : 1 , analysis of the significance of the space emergency rescue involved maneuvering space emergency , fast discussed key technologies of rendezvous and autonomous rendezvous phasing ; emergency space rescue mission process , and outlines the tasks and characteristics of each stage ; dynamics model of the space rendezvous and summarized . Resolve the derived emergency space launch mission launch window , the motorized deployment strategy . Emergency mission to launch launch window decomposition the plane window problem , and the phase window , respectively, to establish the model of the plane window and the analytic solution of the phase window derived analytical solutions of the launch window . Based on the analytical solution of the launch window , made ??an analysis of the deployment of mobile launchers . Guidance and control strategy of homing segment and close- intersection segment . Homing segment of CW guided two correction algorithm and Lambert guided two correction algorithms , these algorithms guidance , and their comparative analysis . In addition , close to the segment using two pulse guided in the final approach phase using the line-of-sight guidance algorithm for orbit control and its simulation analysis . 4 , the development of a space emergency orbit simulation system . Use of object-oriented modeling language UML modeling simulation system , object-oriented programming language with C , VC 6.0 integrated development environment software development, preliminary emergency launch mission planning , track program simulation and visual presentation capabilities . This work is a preliminary demonstration and feasibility analysis of space emergency rescue mission . The study shows that the space emergency rescue mission is technically feasible , but the usual space rendezvous mission , there are a lot of new issues that need further research .

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Space instrument,spacecraft devices,spacecraft guidance and control > Guidance and Control > Spacecraft guidance and control
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