Sökning: "mixed integer programming models"

Visar resultat 21 - 25 av 39 avhandlingar innehållade orden mixed integer programming models.

  1. 21. Optimization models and methods for production planning and ship scheduling in the pulp industry

    Författare :David Bredström; Marielle Christiansen; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; MATHEMATICS; MATEMATIK;

    Sammanfattning : To use optimization models and methods is an increasingly acknowledged element of supply chain management for large industries. Concurrently with the increasing global market competition and modern business policies, an already effective organization needs to find new possibilities to improve their planning procedures and resource utilization. LÄS MER

  3. 22. On scheduling using optimizing SMT-solvers

    Författare :Sabino Francesco Roselli; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; MILP; Vehicle Routing; Bin Sorting; SMT; Job Shop;

    Sammanfattning : Modern production systems are becoming more complex by the year and flexibility of production is one of the key factors to success. Companies want to be able to provide a customized product that fits exactly the customer requirements and, therefore production systems have to be able to produce a wide range of product variants. LÄS MER

  4. 23. Lean, Green, and Agile Design and Control of Pallet Systems

    Författare :Maziar Mashaei; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Lean structure model.; Universal model; Handling and locating pallet system; Optimization model; Energy model;

    Sammanfattning : Pallet based automated material handling systems are main devices to transport and locate various part types in flexible production plants.To fulfill production objectives and win in the competitive environment of mass customization, proper deign and control of handling and locating pallet systems have been highly concerned. LÄS MER

  5. 24. Local and Piecewise Affine Approaches to System Identification

    Författare :Jakob Roll; Lennart Ljung; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Identification of nonlinear systems is a multifaceted research area, with many diverse approaches and methods. This thesis considers two different approaches: (nonparametric) local modelling, and identification of piecewise affine systems. LÄS MER

  7. 25. Mathematical Multi-Objective Optimization of the Tactical Allocation of Machining Resources in Functional Workshops

    Författare :Sunney Fotedar; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Decision-making; Robust efficient solutions; Discrete bi-objective optimization; Capacity planning; Discrete tri-objective optimization; Production planning; Coverage gap;

    Sammanfattning : In the aerospace industry, efficient management of machining capacity is crucial to meet the required service levels to customers and to maintain control of the tied-up working capital. We introduce new multi-item , multi-level capacitated resource allocation models with a medium--to--long--term planning horizon. LÄS MER