Journal article Open Access
Bertolazzi, Enrico; Biral, Francesco; Ragni, Matteo
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <controlfield tag="005">20200120173758.0</controlfield> <controlfield tag="001">1139258</controlfield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">DEPARTMENT OF INDUSTRIAL ENGINEERING, UNIVERSITY OF TRENTO</subfield> <subfield code="a">Biral, Francesco</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">DEPARTMENT OF INDUSTRIAL ENGINEERING, UNIVERSITY OF TRENTO</subfield> <subfield code="a">Ragni, Matteo</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="s">244476</subfield> <subfield code="z">md5:00ea1b7b626924df565818f2a5cbfb09</subfield> <subfield code="u">https://zenodo.org/record/1139258/files/AF11.2018.79.pdf</subfield> </datafield> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2018-01-09</subfield> </datafield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="p">openaire</subfield> <subfield code="p">user-acta-futura</subfield> <subfield code="p">user-esa-act</subfield> <subfield code="o">oai:zenodo.org:1139258</subfield> </datafield> <datafield tag="909" ind1="C" ind2="4"> <subfield code="c">79-90</subfield> <subfield code="p">Acta Futura</subfield> <subfield code="n">11</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="u">DEPARTMENT OF INDUSTRIAL ENGINEERING, UNIVERSITY OF TRENTO</subfield> <subfield code="a">Bertolazzi, Enrico</subfield> </datafield> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">GTOC 9: Results from University of Trento (team ELFMAN)</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-acta-futura</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-esa-act</subfield> </datafield> <datafield tag="540" ind1=" " ind2=" "> <subfield code="u">https://creativecommons.org/licenses/by/4.0/legalcode</subfield> <subfield code="a">Creative Commons Attribution 4.0 International</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="a">cc-by</subfield> <subfield code="2">opendefinition.org</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a"><p>The GTOC9 competition requires the design of a sequence of missions to remove debris from the LEO orbit. A mission is a sequence of transfer of the spacecraft from one debris&nbsp;to another. Both missions and transfer must fulfill a set of constraints. The work presents the procedures to develop a solution for the GTOC9 problem (i.e the mission sequence) that does not violate constraints.The solution is obtained through an evolutionary algorithm that combines pre-computed basic missions stored in a database. The main objective of the algorithm is to minimize the overall cost of the solution, in order to maximize the competition<br> score. The database of pre-computed missions is derived by connecting transfers stored in a database of transfers, through a combinatorial approach that considers the problem constraints. The database of transfer is formulated through<br> the solution of a constrained minimization problem upon the control action (the magnitude of the overall impulsive velocity changes <span class="math-tex">\(\Delta\)</span>V ). Only a subset of all possible transfers (selected on the basis of acceptable <span class="math-tex">\(\Delta\)</span> V ), enters in the database.</p></subfield> </datafield> <datafield tag="773" ind1=" " ind2=" "> <subfield code="n">doi</subfield> <subfield code="i">isVersionOf</subfield> <subfield code="a">10.5281/zenodo.1139257</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.5281/zenodo.1139258</subfield> <subfield code="2">doi</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">publication</subfield> <subfield code="b">article</subfield> </datafield> </record>
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