Please use this identifier to cite or link to this item:
https://olympias.lib.uoi.gr/jspui/handle/123456789/32716| Title: | Επίλυση προβλημάτων διαχείρισης αποθεμάτων με χρήση μεταευρετικών αλγορίθμων βελτιστοποίησης Solving inventory management problems using metaheuristic optimization algorithms |
| Institution and School/Department of submitter: | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών |
| Subject classification: | Computer algorithms |
| Keywords: | Μεταευρετικοί αλγορίθμοι βελτιστοποίησης,Προβλήματα διαχείρισης αποθεμάτων,Computer algorithms |
| URI: | https://olympias.lib.uoi.gr/jspui/handle/123456789/32716 http://dx.doi.org/10.26268/heal.uoi.12518 |
| Table of contents: | Contents 1 Introduction 9 1.1 Multi-item inventory model with supplierselection......................................... 9 1.2 The stochastic dynamic lot-sizingproblem...................................................... 11 1.3 Thesis organization............................................................................................ 12 2 Employed algorithms 13 2.1 Particle Swarm Optimization ................................ 13 2.1.1 Main scheme ......................................................................................... 13 2.1.2 Unified Particle Swarm Optimization................................................. 16 2.2 Differential Evolution.................................................. 16 2.3 Harmony search.................................................................................................. 18 2.4 Synopsis.............................................................................................................. 19 3 The investigated problems 20 3d Multi-item inventory problem with supplierselection: problem formulation 20 3.1.1 Original model....................................................................................... 22 3.1.2 Simplified model.................................................................................... 23 3.1.3 Penalty function ............................................................................. 23 3.2 The stochastic dynamic lot-sizing problem.................................................... 24 3.2.1 The Wagner-Whitin model .................................................................. 24 3.2.2 Stochastic model:problem formulation.................................................. 26 3.3 Synopsis.............................................................................................................. 29 4 Experimental settings and results 30 4.1 Settings for the multi-item inventory modelwith supplier selection............. 30 4.2 Results and discussion..................................................................................... 32 4.2.1 Results for the original model............................................................... 34 4.2.2 Results for the simplified model............................................................ 38 4.3 Stochastic dynamic lot-sizing model................................................................ 43 4.3.1 Solution representation........................................................................... 43 4.3.2 The case of normally distributed demand............................................ 44 4.3.3 Test problems.......................................................................................... 44 4.3.4 Experimental setup................................................................................. 45 4.3.5 Presentation of results and discussion.................................................. 47 4.4 Synopsis........................................-................................................................... 54 5 Conclusions 57 |
| Appears in Collections: | Διατριβές Μεταπτυχιακής Έρευνας (Masters) - ΜΥ |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Μ.Ε Γρηγόριος Πιπερέγκας (2012).pdf | 4.57 MB | Adobe PDF | View/Open |
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