Control of spacecraft turns in scheduled time using rocket engines

We obtained an on-off control law for two spacecraft (SC) rocket engines creating the angular acceleration in the opposite directions considering that SC is controlled by the rocket engines with an exponential increase of thrust at starting and decrease at shutdown. This control law provides the cha...

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Bibliographic Details
Published inRussian aeronautics Vol. 56; no. 1; pp. 99 - 106
Main Authors Afanas’ev, V. A., Degtyarev, G. L., Meshchanov, A. S., Sirazetdinov, T. K.
Format Journal Article
LanguageEnglish
Published Heidelberg Allerton Press, Inc 2013
Springer Nature B.V
Subjects
Angular acceleration
Automotive Engineering
Engineering
Law
Mathematical analysis
Rocket engines
Rockets
Segments
Spacecraft
Technical Notes
Trajectories
spacecraft
composite trajectory
inertia
identification
control law
rocket engine
analytical solution
scheduled time
angular turn
differential equations
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Summary:We obtained an on-off control law for two spacecraft (SC) rocket engines creating the angular acceleration in the opposite directions considering that SC is controlled by the rocket engines with an exponential increase of thrust at starting and decrease at shutdown. This control law provides the change-over of SC from the initial angular position to the final one in the scheduled time. A special trajectory consisting of eight typical segments is proposed to identify the angular acceleration and delay of its formation in the rocket engines. Both problems are solved by the method of analytical construction of composite trajectories for the angular turn from the typical segments on which the differential equations of angular motion have analytical solutions. The results are applicable for the development of promising space interceptors and design of onboard control systems.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1068-7998
1934-7901
DOI:10.3103/S1068799813010145