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You can find the data for the models disscussed in the articele here.
Model data for the jeep problems discussed in the article. Decision Making with Dominance Constraints in Two-Stage Stochastic Integer Programming Two-stage stochastic programming models are considered as attractive tools for making optimal decisions under uncertainty. Traditionally, optimality is formalized by applying statistical parameters such as the expectation or the conditional value at risk to the distributions of objective values.
Uwe Gotzes analyzes an approach to account for risk aversion in two-stage models based upon partial orders on the set of real random variables. These stochastic orders enable the incorporation of the characteristics of whole distributions into the decision process.
The profit or cost distributions must pass a benchmark test with a given acceptable distribution. Thus, additional objectives can be optimized. For this new class of stochastic optimization problems, results on structure and stability are proven and a tailored algorithm to tackle large problem instances is developed.
The implications of the modelling background and numerical results from the application of the proposed algorithm are demonstrated with case studies from energy trading. A note on second-order stochastic dominance constraints induced by mixed-integer linear recourseMathematical Programming, pp.
We introduce stochastic integer programs with dominance constraints induced by mixed-integer linear recourse. Closedness of the constraint set mapping with respect to perturbations of the underlying probability measure is derived. For discrete probability measures, large-scale, block-structured, mixed-integer linear programming equivalents to the dominance constrained stochastic programs are identified.
For these models, a decomposition algorithm is proposed. Computational tests with instances from power optimization and Sudoku puzzling conclude the paper. Stochastic integer programming, stochastic dominance, mixed-integer optimization M.
In this paper we present the problem faced by an electricity retailer which searches to determine the forward contracting portfolio and the selling price for its clients.
This problem is formulated as a two-stage stochastic program including second-order stochastic dominance constraints. The stochastic dominance theory is used in order to reduce the risk suffering from low profits.
The resulting deterministic equivalent problem is a mixed-integer linear program which is solved using commercial branch-and-cut software. Numerical results are reported and a realistic case study is solved.
Finally, relevant conclusions are drawn. In der vorliegenden Ausarbeitung wird ein innovativer Alternativzugang zur Behandlung des Risikos in zweistufigen, gemischt-ganzzahligen, linearen, stochastischen Optimierungsproblemen dargestellt, der auf dem Konzept der stochastischen Dominanz beruht.
We propose a new approach to risk modeling in power optimization employing the concept of stochastic dominance. This leads to new classes of large-scale block-structured mixed-integer linear programs for which we present decomposition algorithms.
The new methodology is applied to stochastic optimization problems related to operation and investment planning in a power system with dispersed generation. Dispersed storage and generation, Cogeneration, Renewable resources, Mathematical optimization, Uncertainty and risk modeling, Stochastic dominance, Decomposition methods Betriebsoptimierung eines Systems mit dezentralen Energieumwandlungsanlagen mittels gemischt-ganzzahliger linearer Modelle, Advisor: The German football league - An optimization problem?
In or so a colleague motivated me to develop optimization models related to football. This section presents the results of my work.Erdöl & Energiewirtschaft.
Zurück: Kianda school; Ausbildung: Pan Africa University, Institute of Water and Energy Sciences Graduating with a Master of Science (Water Policy). My Jacinta Okwako gefällt das.
A poster presentation of my Master thesis on "Assessment of Jacinta Okwako gefällt das. World Energy Day Conference in Title: MSc Energy Policy Student at .
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Master's thesis: Betriebsoptimierung eines Systems mit dezentralen Energieumwandlungsanlagen mittels gemischt-ganzzahliger linearer Modelle, Advisor: . Proactive, energetic and positive personality, seeking for challanges and daily striving towards new achievements! - Independent and interdependent, reliable, creative, proactive, communicative, open minded, sharp witted person with leadership and teamwork competences, presentation skills, strong analytic skills, management skills and multicultural experienceTitle: Director of LPG Management .