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Results 61 to 70 of about 8,135 (227)

On‐Time Meal Delivery Assisted by Drone Resupply

Naval Research Logistics (NRL), EarlyView.
ABSTRACT Ensuring timely delivery is crucial with the increasing competition in online meal delivery services. This requires the industry to adopt new technologies and the corresponding operational models, including the use of drones. Concerning the desired features of meal delivery, such as safety and reliability, we propose an operational model that ...
Wenqian Liu, Lindong Liu, Xiangtong Qi
wiley +1 more source

VRP with private and shared delivery locations (Instances)

, 2020
Instances for the VRP with private and shared delivery ...
Mancini, S
core +2 more sources

A Survey of Vehicle Routing Problem

MATEC Web of Conferences, 2017
In recent years, vehicle routing problem (VRP) has become an important content in logistics management research, and has been widely used in transportation system, logistics distribution system and express delivery system.
Cao Wujun, Yang Wenshui
doaj +1 more source

Leveraging Public Transit for Robotic Deliveries: A Column Generation Approach

Naval Research Logistics (NRL), EarlyView.
ABSTRACT Autonomous mobile robots (AMRs) are small, electric, wheeled vehicles that operate at pedestrian speeds. In the last‐mile delivery service considered in this study, a fleet of AMRs is deployed across multiple recharging depots within a service area, from which they depart to perform point‐to‐point deliveries. We consider an operational setting
Yishay Shapira, Mor Kaspi
wiley +1 more source

Multi-Robot exploration for coal mine rescue based on the extension of undirected graph

Meitan kexue jishu
After coal mine disasters, the environment deteriorates and rescue tasks are complex and arduous, resulting in numerous threats to the rescue personnel.
Linna ZHOU +4 more
doaj +1 more source

From Data to Knowledge to Wisdom: Lessons Learned From the Vancouver Rat Project

Integrative Zoology, EarlyView.
A synthesis of 15 years of research conducted by the Vancouver Rat Project revealed that: (1) Pathogen ecology within rat colonies is the result of complex interactions among rats, pathogens, and vectors. (2) Local and global population structures influence rat and pathogen ecology.
Chelsea G. Himsworth, Kaylee A. Byers
wiley +1 more source

Hodgkin and non‐Hodgkin lymphomas in the post‐antiretroviral therapy era according to HIV virological suppression

HIV Medicine, EarlyView.
Abstract Objectives Lymphomas remain among the most frequent HIV‐associated malignancies, with risk persisting despite effective virological control. This study describes the clinical, epidemiological and prognostic characteristics of lymphomas (both Hodgkin [HL] and non‐Hodgkin [NHL]) in people living with HIV (PLWH), according to virological ...
Teresa Aldámiz‐Echevarria +555 more
wiley +1 more source

A Heuristic Approach for a Real-World Electric Vehicle Routing Problem

Algorithms, 2019
To develop a non-polluting and sustainable city, urban administrators encourage logistics companies to use electric vehicles instead of conventional (i.e., fuel-based) vehicles for transportation services.
Mengting Zhao, Yuwei Lu
doaj +1 more source

Collaborative platooning and routing for mixed fleets of electric automated vehicles and conventional trucks

International Transactions in Operational Research, EarlyView.
Abstract The application of automated ground vehicles (AGVs) is well‐established in closed environments such as port terminals, while their operation in open areas remains challenging. In this work, we set out to overcome this limitation by introducing platooning as a transfer mode in heterogeneous vehicle networks.
Nadia Pourmohammad‐Zia, Rudy R. Negenborn, Frederik Schulte +2 more
wiley +1 more source

An effective and efficient matheuristic for the electric vehicle routing problem with capacitated recharging stations

International Transactions in Operational Research, EarlyView.
Abstract In this paper, we address the problem of routing a fleet of electric vehicles (EVs) to serve a set of customers, geographically distributed, within their time windows. We assume that EVs may also be recharged en route, and the amount of energy recharged at a recharging station (RS) is a decision variable itself, that is, partial recharges are ...
Maurizio Bruglieri +3 more
wiley +1 more source

vehicle routing problem
optimization
7. clean energy

heuristics
fos: computer and information sciences
simulated annealing

routing
machine learning cs.lg
computer science - machine learning