{"id":46,"date":"2026-06-12T22:33:09","date_gmt":"2026-06-13T01:33:09","guid":{"rendered":"http:\/\/orlab.com.br\/portfolio\/"},"modified":"2026-06-13T17:42:49","modified_gmt":"2026-06-13T20:42:49","slug":"portfolio","status":"publish","type":"page","link":"http:\/\/orlab.com.br\/en\/portfolio\/","title":{"rendered":"Pesquisas e Projetos"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><em>Laborat\u00f3rio de Pesquisa Operacional (ORLab)<\/em><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O Grupo de Pesquisa Operacional (Operations Research) da Universidade de Bras\u00edlia tem se dedicado a diversos projetos nas \u00e1reas mencionadas acima. Entre outros, destacam-se os seguintes projetos j\u00e1 realizados nessas \u00e1reas:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Modelos de derivativos para an\u00e1lise de risco no financiamento de linhas de transmiss\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Modelos financeiros para determinar os &#8220;momentos de ativa\u00e7\u00e3o&#8221; (melhor momento para investir) e o retorno sobre o investimento em linhas de transmiss\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Parcerias P\u00fablico-Privadas (PPPs) em sistemas de transporte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; An\u00e1lise de risco no financiamento de novos projetos de infraestrutura no sistema de transporte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Efeitos da aplica\u00e7\u00e3o do com\u00e9rcio eletr\u00f4nico (e-commerce) na log\u00edstica e controle din\u00e2mico de congestionamentos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Publica\u00e7\u00f5es Selecionadas e Palestras:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Palestras.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Survival Models for Children with Severe Acute Malnutrition: a Nigerian case, R. A. Casonatto, R.C.Garcia, J. Ostrowski, B. Eales, B. Chaplin, T. Teixeita and P. Rubin presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Atlanta, GA, USA, October 2025.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data Envelopment Analysis (DEA) to mesure the Hospitals Efficiency: a Brazilian case study, R.C.Garcia, R.A.H. Iwamoto, S.A. Pereira, C.A.M. Ferraz, L.G. Ferreira, L.E. Weaver, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Atlanta, GA, USA, October 2025.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Discrete Event Simulation inside a Private Hospital in Brazil, R.C.Garcia, J.G.S. Vale, R. A. Casonatto, A.N. Assun\u00e7\u00e3o and N.B. Junior, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Seattle, WA, USA, October 2024.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Linear Program (lp) Model For Electric Vehicle Routing Problem: a case study in a Swiss Newtork of Sipermarkets, R.C.Garcia, and B. Souza, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Phoenix, AZ, USA, October 2023.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Linear Program (lp) Model For Elective Surgery Scheduling: A Case Study In An Italian Hospital, R.C.Garcia, R.L. Patrao, J.M. da Silva, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Indiana &#8211; IN , USA, October 2022.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applying Net Present Valkue Curves for Investment in High Speed Rail (HSR) Lines Project<em>,<\/em> R.C.Garcia, C.S.d.O.A.R. Pereira, N.C. Rodrigues, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Anaheim &#8211; CA , USA, October 2021.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Cost Reduction Model in a Fuel Distribution Terminal, A.R. Ortiz and R.C.Garcia, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Anaheim &#8211; CA , USA, October 2021.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A cost reduction model for the building of Water Treatment Plants in the Brazilian Northeast<em>,<\/em> R.C.Garcia, M. G. Costa, R. Oliveira, G. Gomes, D. Rodriguez, C. Neumann, A. Caf\u00e9, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Washington &#8211; DC , USA, November 2020.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A cost reduction model for the management of pipe cars in the Brazilian Northeast<em>,<\/em> R.C.Garcia, M. G. Costa, D. Samy, A. L. Oliveira, C. Neumann, R. M. Baldu\u00edno, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Seattle, Washington, USA, November 2019.<\/li>\n\n\n\n<li>Conflict Detection and Resolution with Local Search Algorithms for 4D-Navigation in ATM, V. F. Ribeiro, H. T.A. Rodrigues, V. B. F., L. Weigang and R. C. Garcia, <strong>ISDA \u2013 2018 Conference<\/strong>, Velore, India, Dec. 6-8, 2018.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Finding multiple equilibria in a dynamic energy bilateral contract scheduling, R.C.Garcia, J. Contreras, M. Barbosa, B. Macedo, D. Monteiro, presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Phoenix, Arizona, USA, November 2018.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Feasibility analysis of the implementation of a High Speed Rail Line, R.C.Garcia, R. V. G. Vianna, A.Goulart presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Phoenix, Arizona, USA, November 2018.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applying a Game Theory approach for a Dynamic Energy Bilateral contract scheduling, R.C.Garcia, . J.Contreras, J., J. E. C. S. Custodio, P. Vinicius, F. Toledo and M. Barbosa presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Houston, Texas, USA, October 2017.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applying the Modern Portfolio Theory for a Dynamic Energy Portfolio Allocation in the Electricity Markets, R.C.Garcia, . J.Contreras, J., J. E. C. S. Custodio and V. Gonz\u00e1lez presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Nashville, Tennessee, USA, November 2016.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Dynamic Garch Model for Energy Portfolio Allocation in Electricity Markets, R.C.Garcia, . J.Contreras, J., J. E. C. S. Custodio and V. Gonz\u00e1lez presented in the <strong>TIMS\/ORSA Joint National Meeting<\/strong>, Philadelphia, Penssylvania, USA, November 2015.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Publica\u00e7\u00f5es.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Advances in Modelling of the Integrated Production Logistics in Sugarcane<\/em>, Almeida P, Garcia R, Fonseca A., <strong>Promet \u2013 Traffic&amp;Transportation<\/strong>, Vol. 34, No. 4, 595-608, 2022.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>An Integrated Two-Level Integer Linear Program (ILP) Model for Elective Surgery Scheduling: A Case Study in an Italian Hospital<\/em>, R.L. Patrao, R,C,. Garcia, J.M. da Silva<em>, <\/em><strong>Mathematics,<\/strong>10, 1901, 2022.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Finding Multiple Equilibria for Raiffa-Kalai-Smorodinski and Nash Bargaining Equilibria in Electricity Markets<\/em>, R. C. Garcia, J. Contreras, B. C. Macedo, D.da S. Monteiro and M.L. Barbosa, <strong>Designs Journal<\/strong>,&nbsp; 5, 3, 2021.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Deep Reinforcement Learning Model to Mitigate Congestion in Real-Time Traffic Light Networks,<\/em> F.d.S.O. Borges, A. P. Fonseca, R.C. Garcia, <strong>Infrastructures Journal<\/strong>,&nbsp; 6, 138, 2021.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Raiffa-Kalai-Smorodinski Bargaining Solution for Bilateral Contracts in Electricity Markets<\/em>, R. C. Garcia, J. Contreras, M.L. Barbosa, F.S. Toledo, P. V. A. Cunha, <strong>Energies Journal<\/strong>,&nbsp; 13, 2397, 2020.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Detecting Violation of Aircraft Separation Requirements<\/em>, I. R. de Oliveira, V. F. Ribeiro, L. Weigang and R. C. Garcia, The Boeing Company and the University of Brasilia (applicants), <strong>United States Patent, Patent No. <\/strong><strong>US 10,553.121 B1<\/strong>, Feb. 4, 2020.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Stable two-sided matching of slot allocation in airport collaborative decision making by top trading cycles mechanism, M.A.S. Souza, L. Weigang, R.C.Garcia, and J.Contreras, <strong>Chinese Journal of Aeronautics, <\/strong>2018.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Applying modern portfolio theory for a dynamic energy portfolio allocation in electricity markets, s, R.C.Garcia, J.Contreras, and V. Gonz\u00e1lez, J.Contreras and J. E. S. C. Custodio, <strong>Electric Power Systems Research 150<\/strong> (2017) 11\u201323, 2017.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Development of a Feasibility model for a High Speed Rail Line, R.C.Garcia, A.Goulart, T. C. Veiga, L. V. Cunha and M. Vilarindo, <strong>Transport Literature Journal 10<\/strong>,2, pp. 20-24, 2015.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Transmission Assets Investment Timing Using Net Present Value Curves, R.C.Garcia, J.Contreras, P.F. Correia, Mu\u00f1oz, J.I. <strong>Energy Policy 38<\/strong>, pp. 598-605, 2010.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Framework for Assessing Public Private Partnerships, D. Levinson, R.C.Garcia, K.Carlson, <strong>Institutions and Sustainable Transport \u2013 Regulatory Reform in Advanced Economies<\/strong>, Piet Rietveld and Roger Stough, (eds.), Ch. 13, 285-304, Edgar Bl\u00fccher Inc, July 2007.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Garch Forecasting Model to Predict Day-Ahead Electricity Prices, R.C.Garcia, J.Contreras,M.van Akkeren andJ.B.C.Garcia, <strong>IEEE Transactions on Power Systems Journal 20<\/strong>, 2, 867-874, May 2005.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>On the pricing of Credit Spread Options: a two factor HW-BK Algorithm, J. B. C. Garcia, H. V. Ginderen and R. C. Garcia, International Journal of Theoretical &amp; Applied Finance (IJTAF), 6,5,491-506, Aug. 2003.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A Pareto Improving Strategy for the Time-Dependent Morning Commute Problem, C.F. Daganzo and R. C. Garcia,<strong> Transportation Science Journal, 34, <\/strong>303-312, 2000.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Laborat\u00f3rio de Pesquisa Operacional (ORLab) O Grupo de Pesquisa Operacional (Operations Research) da Universidade de Bras\u00edlia tem se dedicado a diversos projetos nas \u00e1reas mencionadas acima. Entre outros, destacam-se os seguintes projetos j\u00e1 realizados nessas \u00e1reas: &#8211; Modelos de derivativos&hellip;<\/p>","protected":false},"author":1,"featured_media":113,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"fullwidth.php","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-46","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/pages\/46","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/comments?post=46"}],"version-history":[{"count":6,"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/pages\/46\/revisions"}],"predecessor-version":[{"id":203,"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/pages\/46\/revisions\/203"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/media\/113"}],"wp:attachment":[{"href":"http:\/\/orlab.com.br\/en\/wp-json\/wp\/v2\/media?parent=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}