[PDF] Top 20 A REAL-WORLD CASE STUDY OF A VEHICLE ROUTING PROBLEM UNDER UNCERTAIN DEMAND

... this study makes use of average cycle times to represent the travel time covering the variation due to unknown ...Each vehicle of both the company and the third party logistics provider starts from the ... See full document

... VRP problem either in demand, travel time and/or service ...of vehicle routing problem SVRP have been treated in series of papers (Dror et ...the uncertain parameters is the ... See full document

... fuzzy demand in a VRP ...uncertain demand. They used robust optimization to solve the problem by developed robust rounded-capacity inequalities for two broad classes of the demand ... See full document

... A vehicle routing problem with time windows (VRPTW) is an important problem with many real applications in a transportation ...a vehicle with capacity constraint. In the ... See full document

... The routing of a fleet of vehicles to service a set of customers is important in the field of goods ...distribution. Vehicle routing problem with time windows (VRPTW) is a well-known ... See full document

... location- routing-inventory problem in CIT sector through integrating strategic, tactical, and operational level ...location, routing and opportunity cost) and reducing risk of ...existing ... See full document

... each case study and for each approach, we indicated the time (sec) when a new better solution is detected together with the corresponding solution optimal gap ...first case study A, AIA ... See full document

... the real-time policy, both routing and replenishment decisions are dynamic (proac- tive), in the sense that they are decided according to the current state and are ... See full document

... classic problem of routing a vehicle is to find a series of routes with minimal cost (finding the shortest route, minimizing the number of vehicles, ...the demand of all destinations is met ... See full document

... Compared to center-based hemodialysis (HD), peritoneal dialysis (PD) has many advantages among which cost effectiveness and comfort of patients are the most important ones. On the other hand the number of PD patients is ... See full document

... an important and non-negligible role (Crainic [2003]). At the tactical level, uncer- tainty is still present and should not be neglected (Hoff et al. [2010]). Uncertainty is handled in different ways, depending on the ... See full document

... The problem of the delivery optimization of specifi c material can in reality be encountered very o en. The delivery is usually realized by a circular or round trip which, in comparison with the implementation of ... See full document

... early real world case study can be found in Cayford and Yim (2004), where they surveyed interest in, constructed machinery for, and implemented a close variant of a DRC in the city of ... See full document

... well-known vehicle routing problem (VRP) is an extension of the TSP (Toth & Vigo, 2001) in which the number of agents ...this case, the situation is rephrased as the problem of ... See full document

... the Uncertain Capacitated Arc Routing Problem (UCARP) is an important optimisation ...to study as they more accurately represent the real-world than their deterministic ... See full document

... This section describes the third solution strategy that we include in this research. In the previous 2 solution strategies, the customer to depot assignment can change in the ALNS procedure. Although we cannot conclude ... See full document

... center problem. In this paper, a p- center problem with uncertain demand-weighted distance will be introduced in which the demands are considered as fuzzy random variables (FRVs) and the ... See full document

... dynamic routing problems differ from their static equivalent by adding more degrees of freedom for the decision making and introducing new metrics for the objective ...a routing cost, dynamic routing ... See full document

... salesman problem and from then many hundreds of research works have been published on several variants of ...the real world applications like newspaper distribution, goods distribution, mail ... See full document

... solution and find the thresholds at which the optimal solution will change. In many cases of MIP, a full description of the convex hall of the feasible region is not available and constraints may not define facets of the ... See full document