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Simple control laws for low-thrust orbit transfers

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dc.contributor.author Petropoulos, Anastassios E.
dc.date.accessioned 2006-02-09T19:44:52Z
dc.date.available 2006-02-09T19:44:52Z
dc.date.issued 2003-08-03
dc.identifier.citation AAS/AIAA Astrodynamics Specialists Conference en
dc.identifier.clearanceno 03-2057
dc.identifier.uri http://hdl.handle.net/2014/38468
dc.description.abstract Two methods are presented by which to determine both a thrust direction and when to apply thrust to effect specified changes in any of the orbit elements except for true anomaly, which is assumed free. The central body is assumed to be a point mass, and the initial and final orbits are assumed closed. Thrust, when on, is of a constant value, and specific impulse is constant. The thrust profiles derived from the two methods are not propellant-optimal, but are based firstly on the optimal thrust directions and location on the osculating orbit for changing each of the orbit elements and secondly on the desired changes in the orbit elements. Two examples of transfers are presented, one in semimajor axis and inclination, and one in semimajor axis and eccentricity. The latter compares favourably with a propellant-optimized transfer between the same orbits. The control laws have few input parameters, but can still capture the complexity of a wide variety of orbit transfers en
dc.description.sponsorship NASA/JPL en
dc.format.extent 4058570 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US en
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003 en
dc.subject low-thrust orbit thrust en
dc.subject electric propulsion en
dc.subject orbit transfer control algorithm en
dc.title Simple control laws for low-thrust orbit transfers en
dc.type Preprint en


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