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dc.contributor.authorBevilacqua, R
dc.contributor.authorLehmann, T.
dc.contributor.authorRomano, M.
dc.date.accessioned2014-01-29T20:39:21Z
dc.date.available2014-01-29T20:39:21Z
dc.date.issued2010
dc.identifier.citationActa Astronautica, 68, (2011), pp. 1260-1275
dc.identifier.urihttp://hdl.handle.net/10945/38494
dc.descriptionhttp://dx.doi.org/10.1016/j.actaastro.2010.08.012en_US
dc.description.abstractThis work introduces a novel control algorithm for close proximity multiple spacecraft autonomous maneuvers, based on hybrid linear quadratic regulator/artificial potential function (LQR/APF), for applications including autonomous docking, on-orbit assembly and spacecraft servicing. Both theoretical developments and experimental validation of the proposed approach are presented. Fuel consumption is sub-optimized in real-time through re-computation of the LQR at each sample time, while performing collision avoidance through the APF and a high level decisional logic. The underlying LQR/APF controller is integrated with a customized wall-following technique and a decision logic, overcoming problems such as local minima. The algorithm is experimentally tested on a four spacecraft simulators test bed at the Spacecraft Robotics Laboratory of the NAval Postgraduate School. The metrics to evaluate the control algorithm are: autonomy of the system in making decisions, successful completion of the maneuver, required time, and propellant consumption.en_US
dc.publisherElsevieren_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United Statesen_US
dc.titleDevelopment and experimentation of LQR/APF guidance and control for autonomous proximity maneuvers of multiple spacecraften_US
dc.typeArticleen_US
dc.contributor.corporateNaval Postgraduate School
dc.contributor.departmentMechanical and Aerospace Engineering
dc.subject.authormultiple spacecraft assemblyen_US
dc.subject.authorautonomous controlen_US
dc.subject.authorlinear quadratic regulatoren_US
dc.subject.authorartificial potential functionen_US
dc.subject.authorwall-following methoden_US
dc.subject.authorreal-time controlen_US
dc.subject.authorlaboratory experimentationen_US
dc.subject.authoron-th-ground spacecraft simulationen_US
dc.subject.authorautonomous on orbit operationsen_US
dc.subject.authorformation flighten_US
dc.subject.authorspacecraft servicingen_US


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