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Št. zadetkov: 4
ǂAn ǂimproved discrete particle swarm optimization approach for a multi-objective optimization model of an urban logistics distribution network considering traffic congestion
K. Li, D. Li, H. Q. Ma
Izvirni znanstveni članek
Oznake: distribucijsko omrežje mestne logistike;modeliranje;inteligenca roja;urban logistics distribution network;traffic congestion;optimization;modelling;multi-objective optimization;vehicle routing problem;VRP;swarm intelligence;discrete particle swarm optimization algorithm;DPSO;
To optimize urban logistics networks, this paper proposes a multi-objective optimization model for urban logistics distribution networks (ULDN). The model optimizes vehicle usage costs, transportation costs, penalty costs for failing to meet time windows, and carbon emission costs, while also consid ...
Leto: 2023 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Optimizing obstacle avoidance path planning for intelligent mobile robots in multi-obstacle environments
H. Q. Zhang
Izvirni znanstveni članek
Oznake: inteligentni mobilni roboti;načrtovanje poti;izogibanje oviram;intelligent mobile robots;obstacle avoidance path planning;adaptive Monte Carlo;envelope method;
To enhance the obstacle avoidance capabilities of intelligent mobile robots in environments with multiple obstacles, a method for optimal path planning has been developed and analysed. Multi-obstacle scene maps were generated using the safety boundary condition method and envelope method, with obsta ...
Leto: 2024 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Flexible job-shop scheduling problem with parallel operations using reinforcement learning
Q. H. Lv, J. Chen, P. Chen, Q. F. Xun, L. Gao
Izvirni znanstveni članek
Oznake: heterogeni grafi;modeli razporejanja;flexible scheduling;flexible job-shop scheduling problem;FJSP;unified scheduling mode;parallel operations;reinforcement learning;heterogeneous graph networks;attention restart method based on heterogeneous graph attention networks;AR-HGAT;
The Flexible Job-shop Scheduling Problem (FJSP) has received considerable scholarly attention as a classic problem. However, in practical industrial manufacturing scenarios, it is common for an operation to have multiple preceding parallel operations. This not only necessitates adhering to the seque ...
Leto: 2024 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Integrated optimization of line planning and timetabling on high-speed railway network considering cross-line operation
R. X. Wang, L. Nie, W. Fang, H. Q. Ren, Y. Y. Tan
Izvirni znanstveni članek
Oznake: železniško omrežje;optimizacija;planiranje želežniških tirov;railway network;optimization;train line planning;timetable scheduling;cross-line operation;passenger demand;origin-destination direct service frequency;genetic algorithm;
With the implementation of cross-line operation in high-speed railway system, accessibility of cross-line passengers on the railway network has substantially improved. However, due to limitations of capacity, it is hard to schedule a conflict-free timetable based on a train line plan with many cross ...
Leto: 2024 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Št. zadetkov: 4
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