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Analytical performance-based solutions are also developed for sample cases to achieve an optimal criterion in trajectory planning. Moreover, the notion of wind soaring is exploited to use the beneficial effects of tailwind velocities in trajectory planning. Integral cost functions are handled by Gauss-type quadrature rules. Simulations demonstrate the efficiency of the pseudospectral method compared with other solvers, in eliminating the difficulties of boundary value problems by employing the boundary points in the interpolation equation. The effectiveness of the proposed approach is demonstrated through dynamic simulations. <\/jats:p>","DOI":"10.1142\/s2301385025500232","type":"journal-article","created":{"date-parts":[[2023,12,18]],"date-time":"2023-12-18T07:08:37Z","timestamp":1702883317000},"page":"399-412","source":"Crossref","is-referenced-by-count":13,"title":["UAV Trajectory Optimization for Maximum Soaring in Windy Environment"],"prefix":"10.1142","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6762-0920","authenticated-orcid":false,"given":"Hassan","family":"Haghighi","sequence":"first","affiliation":[{"name":"LIS UMR CNRS 7020, Aix-Marseille Universit\u00e9, Marseille, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4965-6815","authenticated-orcid":false,"given":"Daniel","family":"Delahaye","sequence":"additional","affiliation":[{"name":"Ecole National de l\u2019Aviation Civile (ENAC), University of Toulouse, 31400 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6585-2333","authenticated-orcid":false,"given":"Jean-Marc","family":"Moschetta","sequence":"additional","affiliation":[{"name":"Institut Sup\u00e8rieur de l\u2019A\u00e8ronautique et de l\u2019Espace (ISAE-SUPAERO), University of Toulouse, 31400 Toulouse, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2066-6016","authenticated-orcid":false,"given":"Davood","family":"Asadi","sequence":"additional","affiliation":[{"name":"Aerospace Engineering Department, Adana Alparslan T\u00fcrke\u015f Science and Technology University, 01250 Adana, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"219","published-online":{"date-parts":[[2024,1,12]]},"reference":[{"issue":"18","key":"S2301385025500232BIB001","doi-asserted-by":"crossref","first-page":"2801","DOI":"10.3390\/electronics11182801","volume":"11","author":"Mir I.","year":"2022","journal-title":"Electronics"},{"key":"S2301385025500232BIB002","doi-asserted-by":"publisher","DOI":"10.2514\/1.I010866"},{"key":"S2301385025500232BIB003","doi-asserted-by":"crossref","first-page":"667","DOI":"10.1007\/s10846-017-0753-9","volume":"91","author":"Asadi D.","year":"2018","journal-title":"J. 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