Khái niệm cốt lõi
CCBC can provide optimal solutions for CVRP under specific conditions.
Tóm tắt
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.
Thống kê
"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."