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DTSTAMP:20260629T025026Z
DESCRIPTION:Seminars in Mechanics Optimal\nControl and Guidance of Dynamica
 l Systems Subject to Actuator\nConstraints\nProfessor\nBelinda G. Marchand
  [.pdf]\nProfessor Belinda G. Marchand\nDepartment of Aerospace Engineerin
 g\nUniversity of Texas at Austin\, USA\nAbstract:\nIn trajectory design an
 d space vehicle guidance applications\,\ndifferentiating between what is m
 athematically possible and what is\npractical or feasible is crucial durin
 g both the design and the\noperational phase of a mission. Here\, feasibil
 ity refers to the\nability of the onboard actuators to deliver the command
 ed control\nprofile with reasonable accuracy. This is of particular import
 ance\nin dynamically sensitive regimes\, and/or when the need to minimize
 \nthe overall cost of a mission leads to compromises in flight\nhardware c
 apabilities. In this case\, it is useful to consider the\nimpact of the as
 sociated hardware limitations on the success of the\nmission. The goal of 
 this seminar is to summarize recent\ndevelopments\, in both trajectory opt
 imization and guidance\nalgorithms\, that address this type of problem. Ex
 amples include the\nFinite Set Control Transcription (FSCT) method and the
  constrained\ntwo-level targeting algorithm. The FSCT method offers a gene
 ralized\napproach for solving optimal control problems when multiple\ninde
 pendently switching and spatially discontinuous control\nvariables are pre
 sent. This approach is employed in conjunction\nwith nonlinear programming
  methods during a numerical optimization\nprocess. In some cases\, when op
 timality is not as important as\ncomputational speed\, and feasible soluti
 ons are sufficient\, a\nconstrained two-level targeting algorithm may be i
 mplemented\ninstead. Although the examples presented focus largely on\nspa
 cecraft mission design and guidance applications\, both methods\nextend to
  a large class of dynamical systems and\, subsequently\,\napplications in 
 various fields.\nFriday\, September 25\, 200911:00 AM –\n12:00 PM\, Refres
 hments at 10:30 AM\nRoom 497 Macdonald Engineering Building\n(Conference R
 oom\, Department of Civil Engineering)\n \nAll interested persons are welc
 ome to\nattend\nInquires: Professor Suresh Shrivastava\nTel: 514-398-6676
 \nEmail: suresh.shrivastava [at] mcgill.ca\n\n
DTSTART:20090925T143000Z
DTEND:20090925T160000Z
LOCATION:Macdonald Engineering Building\, CA\, QC\, Montreal\, H3A 0C3\, 81
 7 rue Sherbrooke Ouest
SUMMARY:Seminars in Mechanics - Professor Belinda G. Marchand\, Department 
 of Aerospace Engineering\, University of Texas at Austin\, USA
URL:/channels/event/seminars-mechanics-professor-belin
 da-g-marchand-department-aerospace-engineering-university-texas-au-109716
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