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Title: A bi-objective optimization model for the medical supplies' simultaneous pickup and delivery with drones
Authors: Shi, Yuhe 
Lin, Yun 
Li, Bo 
Dr. LI Yi Man, Rita 
Issue Date: 2022
Source: Computers & Industrial Engineering, Sept. 2022, vol. 171, no. 108389.
Journal: Computers & Industrial Engineering 
Abstract: In the COVID-19 pandemic, it is essential to transport medical supplies to specific locations accurately, safely, and promptly on time. The application of drones for medical supplies delivery can break ground traffic restrictions, shorten delivery time, and achieve the goal of contactless delivery to reduce the likelihood of contacting COVID-19 patients. However, the existing optimization model for drone delivery is cannot meet the requirements of medical supplies delivery in public health emergencies. Therefore, this paper proposes a bi-objective mixed integer programming model for the multi-trip drone location routing problem, which allows simultaneous pick-up and delivery, and shorten the time to deliver medical supplies in the right place. Then, a modified NSGA-II (Non-dominated Sorting Genetic Algorithm II) which includes double-layer coding, is designed to solve the model. This paper also conducts multiple sets of data experiments to verify the performance of modified NSGA-II. Comparing with separate pickup and delivery modes, this study demonstrates that the proposed optimization model with simultaneous pickup and delivery mode achieves a shorter time, is safer, and saves more resources. Finally, the sensitivity analysis is conducted by changing some parameters, and providing some reference suggestions for medical supplies delivery management via drones.
Type: Peer Reviewed Journal Article
ISSN: 0360-8352
DOI: 10.1016/j.cie.2022.108389
Appears in Collections:Economics and Finance - Publication

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