[PDF] Top 20 Validation of the loading constraints in vehicle routing problems

... uses vehicle routing heuristics that construct (partial) routes and uses local search algorithms to optimize the ...of constraints on their feasibility. One of these are the load constraints, ... See full document

... The vehicle routing problem with time windows (VRPTW) is a crucial issue in transportation and logistics systems [46], ...one vehicle. The routes should satisfy the vehicle capacity and the ... See full document

... the vehicle routing problem with time windows (VRPTW) as one of the most important and widely studied combinatorial optimization ...each vehicle, taking into account constraints imposed by the ... See full document

... related problems, ranging from the design of transport networks to the scheduling of workers at port terminals and container ...minimize routing cost, but others may aim to minimize vehicular emissions or ... See full document

... travel vehicle k ’s maximum travel ...travel vehicle of one type; constraint (3) is for travel vehicle’s loading capacity, in order to ensure every vehicle in each route not to surpass its ... See full document

... of Vehicle Routing Problems ...the routing industry is indeed regarded as one of the success stories of ...These problems deal with multi-faceted objective functions, aimed at modelling ... See full document

... Packing Problems (PP), that many of the practical constraints originally described by Bischoff and Ratcliff (1995) had been neglected in PP ...practical constraints: (i) Rotation of items, (ii) ... See full document

... On the computational analysis and enhancement, we demon- strate usefulness of our simulation experiment and sensitivity analysis. We provide some helpful practical insights for route plan- ners regarding the quality of ... See full document

... An initial solution is required for any TS algorithm to start the local search process. With respect to the TS metaheuristic for the VRP, some researchers, such as Van Breedam (2001) and Brand˜ao (2004), claimed that the ... See full document

... This research is conducted at the Product Development department of ORTEC within the area of Transport & Logistics. ORTEC is a company that delivers optimization solutions in the eld of Operations Research (OR), as ... See full document

... basic vehicle routing problem with tow-dimensional loading constraints ...(2L-CVRP). Vehicle routing problem encompasses a whole class of complex optimization problems ... See full document

... Multi-Depot Vehicle Routing Problem with Backhauls (MDVRPB) is an operational problem of the supply chain ...hard problems: the Multi-Depot Vehicle Routing Problem (MDVRP) (for further ... See full document

... Wang and Aldaee (2019) [7] states that Cross-dock operations will get mixed results in the case of individual warehouses and in particular business operation situations. And also according to them the single-floor ... See full document

... An iterated local search (ILS) algorithm is used as an initialization methodology, whose main characteristic is to apply inter-route and intra-route movements to explore the search space generated by the solution ... See full document

... optimization problems and applied it for the solution of the capacitated location routing problem and for the solution of a new formulation of the location routing problem with stochastic ...picker ... See full document

... classic Vehicle Routing Problem and the IRP have proved to be NP-hard in the static distribution management version, it is therefore more difficult to generate a solution in real time in order to adjust the ... See full document

... As airport resources are stretched to meet increasing demand for services, effective use of ground infrastructure is increasingly critical for ensuring operational efficiency. Work in operations research has produced ... See full document

... random problems were generated following normally distributed random variables with the corresponding parameters from Table ...different problems. These problems were then solved with both the ... See full document

... The Vehicle Routing Problem with Time Windows (VRPTW) consists of constructing least cost routes from a depot to a set of geographically scattered service points and back to the depot, satisfying service ... See full document

... a vehicle using only ground-based remote sensing techniques presents a substantial ...A vehicle is a complex machine consisting of multiple dependent and independent systems each with varying responses to ... See full document