핵심 개념
CCBC can provide optimal solutions for CVRP under specific conditions.
초록
The content discusses the relationship between the Capacitated Vehicle Routing Problem (CVRP) and Constrained Centroid-Based Clustering (CCBC). It explores how solving a CCBC problem can lead to optimal or near-optimal solutions for CVRP. The article includes an abstract, introduction, literature review on VRP variants and operations research techniques, clustering-based approaches for VRP, problem statement with mathematical notation, exploratory analysis through small-sized examples, generalization of the connection between CCBC and CVRP, theoretical characterization of centroids regions for optimal CVRP solutions, and experimental verification of strict centroids in CVRP instances.
Abstract:
- Efficiently solving VRP is crucial for delivery management companies.
- Explores connection between CVRP and CCBC using K-means algorithm.
Introduction:
- Importance of VRP in various domains studied extensively by operations research community.
- Machine learning techniques like clustering used to solve VRP variants.
Literature Review:
- Overview of VRP variants like CVRP, VRPTW, VRPPD, DVRP.
- Operations research techniques: exact methods, heuristics, meta-heuristics.
- Clustering-based approaches used to reduce complexity in solving VRP variants.
Problem Statement:
- Mathematical notation introduced for CVRP formulation with capacity constraint.
Exploratory Analysis:
- Small-sized examples generated to assess connection between CCBC and CVRP.
- Comparison of optimal solutions from CCBC and TSP within clusters for CVRP solution quality evaluation.
Generalization of Connection:
- Formulation to find nearest centroids from CCBC that lead to optimal CVRP solution.
Theoretical Characterization:
- Definition of strict centroids in CCBC leading to optimal solutions in CVRP instances verified experimentally.
통계
"Efficiently solving a vehicle routing problem (VRP) in a practical runtime is a critical challenge."
"Reducing a CVRP to a CCBC is a synonym for a transition from an exponential to a polynomial complexity."
"The proposed framework consists of three stages: constrained centroid-based clustering algorithm generates feasible clusters of customers."