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dc.contributor.authorAntonello, Andrea
dc.contributor.authorTsiotras, Panagiotis
dc.date.accessioned2018-02-15T21:45:17Z
dc.date.available2018-02-15T21:45:17Z
dc.date.issued2016-09
dc.identifier.urihttp://hdl.handle.net/1853/59342
dc.descriptionCopyright © 2016 by the authors. All rights reserved.en_US
dc.descriptionPaper IAC-16-A6en_US
dc.description.abstractWe approach the problem of a chaser satellite circumnavigating a target object in a relative orbit. The objective is to obtain a map of the scenario and to measure the reciprocal position of the chaser-target pair, in order to subsequently perform proximity operations (active debris removal, rendezvous, servicing, etc.) more reliably. This work analyzes the case of a target-chaser scenario in a closed Clohessy-Wiltshire relative orbit. The chaser satellite has a vision sensor and observes a set of landmarks on the target satellite: the control acts on the yaw-rotation of the detector. By de ning a probability distribution over a set of feasible control trajectories, we perform a search for a near-optimal solution. At the core of this approach lies the cross entropy minimization technique for estimating rare-event probabilities, which iteratively approximates the sampling distribution towards regions of progressively lower cost until converging to the optimum. We present simulations of a tracking scenario, demonstrating the validity of the proposed control technique. Performance of the proposed policy is compared with the case of a non controlled sensor by evaluating the time spent under observation and the residual uncertainty bounds on the landmarks. Results con rm the validity of the proposed approach.en_US
dc.language.isoen_USen_US
dc.publisherGeorgia Institute of Technologyen_US
dc.relation.ispartofseriesIAC-16-A6en_US
dc.subjectCircumnavigationen_US
dc.subjectCross entropyen_US
dc.subjectExtended Kalman filteren_US
dc.subjectVision-based navigationen_US
dc.titleVision-Based Attitude Determination Using A SLAM Algorithm During Relative Circumnavigation Of Non-cooperative Objectsen_US
dc.typeProceedingsen_US
dc.contributor.corporatenameGeorgia Institute of Technology. School of Aerospace Engineeringen_US
dc.contributor.corporatenameUniversity of Padovaen_US


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