1–20 von 138 Ergebnissen
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    Optimizing bike rebalancing strategies in free-floating bike-sharing systems: An enhanced distributionally robust approach

    Chen, Qingxin / Ma, Shoufeng / Li, Hongming et al. | Elsevier | 2024
    combines bike collection by laborers and bike transportation by trucks for rebalancing operations. In addition, we consider broken bike detection ...

    A reinforcement learning-based hyper-heuristic for AGV task assignment and route planning in parts-to-picker warehouses

    Li, Kunpeng / Liu, Tengbo / Ram Kumar, P.N. et al. | Elsevier | 2024
    This paper formulates the task assignment and route planning of multiple AGVs in an intelligent warehouse as a fixed-destination Multiple Depot ...

    Broadcast ephemeris SISRE assessment and systematic error characteristic analysis for BDS and GPS satellite systems

    Jiang, Nana / Cao, Yueling / Xia, Fengyu et al. | Elsevier | 2024
    Abstract This study comprehensively evaluated the signal-in-space range ...

    Optimizing block configuration and operation protocol for extra-long metro trains

    Shen, Shiyu / Osorio, Jesus / Ouyang, Yanfeng | Elsevier | 2024
    Abstract In many densely populated mega-cities around the world, metro ...

    Interoperable data exchange for safe and efficient launch and re-entry operations in an international environment

    Kaltenhaeuser, Sven / Kluenker, Carmo / Schmitt, Dirk-Roger | Elsevier | 2023
    risks to aircraft would exist in case of non-nominal events during launch or re-entry operations. To maintain the safety of air traffic as the ...

    Orbital hopping maneuvers with Astrobee on-board the International Space Station

    Kwok-Choon, Stephen T. / Romano, Marcello / Hudson, Jennifer | Elsevier | 2023
    Abstract Interest in space robotic free-flyers for orbital tasks such as ...

    Assessment of pilot fatigue risk on international flights under the prevention and control policy of the Chinese civil aviation industry during the COVID-19

    Sun, Jun-ya / Liao, Yang / Lu, Fei et al. | Elsevier | 2023
    predict the fatigue risk of pilots of international flights in the Chinese civil aviation industry flying under the new operating model during the ...

    Train traffic control in merging stations: A data-driven approach

    Huang, Ping / Li, Zhongcan / Zhu, Yongqiu et al. | Elsevier | 2023

    A dynamic dispatching problem for autonomous mine trucks in open-pit mines considering endogenous congestion

    Zhang, Li / Shan, Wenxuan / Zhou, Bin et al. | Elsevier | 2023
    schedules than manual driven mine trucks. In practical operations, for security consideration, only one autonomous mine truck is allowed to pass ...

    Flight delay propagation inference in air transport networks using the multilayer perceptron

    Chen, Gong / Fricke, Hartmut / Okhrin, Ostap et al. | Elsevier | 2023
    among airports by inferring Granger causality among time series using linear methods. Granger causality indicates whether delays at one airport ...

    Optimization on joint scheduling of yard allocation and transfer manpower assignment for automobile RO-RO terminal

    Zhang, Di / Chen, Feng / Mei, Ziqiao | Elsevier | 2023
    series of ingenious problem analyses and dual segmentation techniques based on mathematical derivations are presented. In addition, compressed ...

    Virtual track networks: A hierarchical modeling framework and open-source tools for simplified and efficient connected and automated mobility (CAM) system design based on general modeling network specification (GMNS)

    Lu, Jiawei / Zhou, Xuesong Simon | Elsevier | 2023
    . Two-stage offline optimization and online conflict resolution methods for partially schedulable system operations ...

    Electric bus charging facility planning with uncertainties: Model formulation and algorithm design

    Zhou, Yu / Ong, Ghim Ping / Meng, Qiang et al. | Elsevier | 2023
    , we run a series of experiments on a fictitious EB transit network and a real-world EB transit network in Singapore to evaluate the ...

    Quadratically Constrained Linear Programming-based energy-efficient driving for High-speed Trains with neutral zone and time window

    Ying, Peiran / Zeng, Xiaoqing / D’Ariano, Andrea et al. | Elsevier | 2023
    operation of high-speed rail, the management of the neutral zones in the catenary during unexpected disturbances remains underinvestigated. This ...

    Optimization of the drone-assisted pickup and delivery problem

    Mulumba, Timothy / Diabat, Ali | Elsevier | 2023
    traction as a feasible option for last-mile operations in transport and logistics. In the context of this research, we construct a mathematical ...

    Development of the on-orbit maintenance and manipulation workbench (MMW) for the Chinese space station

    Wang, Fufu / Zhang, Lu / Xu, Ying et al. | Elsevier | 2023
    operations for the payload. This paper introduces the development and functions of the MMW on the MLM. In the limited rack space and limited ...

    The airline seat capacity allocation problem: An expected marginal profit approach

    Abdelghany, Ahmed / Abdelghany, Khaled / Azadian, Farshid | Elsevier | 2023
    the proposed methodology. Through a series of experiments, the developed framework showcases its capability in determining capacity allocation ...

    Who benefits from air service agreements? The case of international air cargo operations

    Wu, You / Lange, Anne / Mantin, Benny | Elsevier | 2022
    provisions, such as reciprocal capacity allocations. We analyze how such agreements, which regulate total capacity in markets, affect total welfare ...

    Decision models for personal shopper platform operations optimization

    Zhen, Lu / He, Xueting / Wang, Huiwen et al. | Elsevier | 2022
    This study investigates optimization of operations for a personal shopper platform ...

    Operations design for high-velocity intra-city package service

    Dayarian, Iman / Rocco, Adolfo / Erera, Alan et al. | Elsevier | 2022
    Abstract This paper presents a network design problem in the context of ...