scholarly journals Solving the Two Echelon Vehicle Routing Problem Using Simulated Annealing Algorithm Considering Drop Box Facilities and Emission Cost: A Case Study of Reverse Logistics Application in Indonesia

Algorithms ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 259
Author(s):  
Marco Reinaldi ◽  
Anak Agung Ngurah Perwira Redi ◽  
Dio Fawwaz Prakoso ◽  
Arrie Wicaksono Widodo ◽  
Mochammad Rizal Wibisono ◽  
...  
Keyword(s):  
Vehicle Routing ◽  
Carbon Emissions ◽  
Reverse Logistics ◽  
Vehicle Routing Problem ◽  
Distribution System ◽  
Simulated Annealing Algorithm ◽  
Routing Problem ◽  
Annealing Algorithm ◽  
Lower Carbon

A two echelon distribution system is often used to solve logistics problems. This study considers a two-echelon distribution system in reverse logistics context with the use of drop box facility as an intermediary facility. An optimization model of integer linear programming is proposed, representing a two-echelon vehicle routing problem with a drop box facility (2EVRP-DF). The aim is to find the minimum total costs consisting of vehicle transportation costs and the costs to compensate customers who have to travel to access these intermediary facilities. The results are then compared to those of common practice in reverse logistics. In common practice, customers are assumed to go directly to the depot to drop their goods. In addition, this study analyzes the environmental impact by adding a component of carbon emissions emitted by the vehicles. A set of comprehensive computational experiments is conducted. The results indicate that the 2EVRP-DF model can provide optimal costs and lower carbon emissions than the common practice.

scholarly journals Simulated annealing algorithm for solving the capacitated vehicle routing problem: a case study of pharmaceutical distribution

2020 ◽  
Vol 4 (1) ◽  
pp. 41-49 ◽  
Author(s):  
Anak Agung Ngurah Perwira Redi ◽  
Fiki Rohmatul Maula ◽  
Fairuz Kumari ◽  
Natasha Utami Syaveyenda ◽  
Nanda Ruswandi ◽  
...  
Keyword(s):  
Simulated Annealing ◽  
Vehicle Routing ◽  
Vehicle Routing Problem ◽  
Simulated Annealing Algorithm ◽  
Routing Problem ◽  
Capacitated Vehicle Routing Problem ◽  
Pharmaceutical Distribution ◽  
Annealing Algorithm ◽  
Capacitated Vehicle

This study aims to find a set of vehicles routes with the minimum total transportation time for pharmaceutical distribution at PT. XYZ in West Jakarta. The problem is modeled as the capacitated vehicle routing problem (CVRP). The CVRP is known as an NP-Hard problem. Therefore, a simulated annealing (SA) heuristic is proposed. First, the proposed SA performance is compared with the performance of the algorithm form previous studies to solve CVRP. It is shown that the proposed SA is useful in solving CVRP benchmark instances. Then, the SA algorithm is compared to a commonly used heuristic known as the nearest neighborhood heuristics for the case study dataset. The results show that the simulated Annealing and the nearest neighbor algorithm is performing well based on the percentage differences between each algorithm with the optimal solution are 0.03% and 5.50%, respectively. Thus, the simulated annealing algorithm provides a better result compared to the nearest neighbour algorithm. Furthermore, the proposed simulated annealing algorithm can find the solution as same as the exact method quite consistently. This study has shown that the simulated annealing algorithm provides an excellent solution quality for the problem.

scholarly journals Sequential Simulated Annealing for the Vehicle Routing Problem with Time Windows

2009 ◽  
Vol 3 (2) ◽  
pp. 87-100 ◽  
Author(s):  
Marcin Woch ◽  
Piotr Łebkowski
Keyword(s):  
Simulated Annealing ◽  
Vehicle Routing ◽  
Vehicle Routing Problem ◽  
Simulated Annealing Algorithm ◽  
Optimization Problems ◽  
Time Windows ◽  
High Quality ◽  
Routing Problem ◽  
Annealing Algorithm ◽  
Very High

This article presents a new simulated annealing algorithm that provides very high quality solutions to the vehicle routing problem. The aim of described algorithm is to solve the vehicle routing problem with time windows. The tests were carried out with use of some well known instances of the problem defined by M. Solomon. The empirical evidence indicates that simulated annealing can be successfully applied to bi-criterion optimization problems.

scholarly journals Solution to Chance Constrained Programming Problem in Swap Trailer Transport Organisation based on Improved Simulated Annealing Algorithm

2020 ◽  
Vol 5 (1) ◽  
pp. 47-54 ◽  
Author(s):  
Tao Li ◽  
Wenyin Yang
Keyword(s):  
Simulated Annealing ◽  
Programming Problem ◽  
Vehicle Routing Problem ◽  
Simulated Annealing Algorithm ◽  
Chance Constrained Programming ◽  
Routing Problem ◽  
Theoretical Support ◽  
Annealing Algorithm ◽  
Constrained Programming

AbstractSwap trailer transport organisation problem originates from the traditional vehicle routing problem (VRP). Most of the studies on the problems assume that the travelling times of vehicles are fixed values. In this paper, the uncertainties of driving times are considered and a chance constrained programming problem is proposed. An improved simulated annealing algorithm is used to solve the problem proposed. The model and algorithm described in this paper are studied through a case study, and the influence of uncertainty on the results is analysed. The conclusion of this study provides theoretical support for the practice of trailer pickup transport.

Hybrid Genetic Simulated Annealing Algorithm with its Application in Vehicle Routing Problem with Time Windows

2010 ◽  
Vol 148-149 ◽  
pp. 395-398
Author(s):  
Qiang Zhang ◽  
Qing Guo Lin ◽  
Qin He Zhang ◽  
Ji Chen Fang ◽  
Zhan Gen Wang ◽  
...  
Keyword(s):  
Simulated Annealing ◽  
Vehicle Routing ◽  
Vehicle Routing Problem ◽  
Simulated Annealing Algorithm ◽  
Time Windows ◽  
Routing Problem ◽  
Genetic Simulated Annealing Algorithm ◽  
Annealing Algorithm ◽  
Set Up ◽  
Delayed Time

Under the situations of distribution center and customer demand, a mathematical model of Vehicle Routing Problem with Time Windows(VRPTW) is set up, where the main factors of less total distance of vehicles driving and less delayed time of vehicles are considered. For the "premature" convergence in Genetic Algorithms, Simulated Annealing Algorithm is introduced, and GSA is designed to optimize and analyse the VRPTW examples. It is shown that the performance of GSA is better than Genetic Annealing(GA).

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