Filters








2,612 Hits in 7.0 sec

Analysis of assignment rules in a manually operated distribution warehouse

Uwe Clausen, Peiman Dabidian, Daniel Diekmann, Ina Goedicke, Moritz Poting
2013 2013 Winter Simulations Conference (WSC)  
Due to strong market competition, operators of production and logistics systems are constantly looking for measures to increase the efficiency of internal handling and storage processes.  ...  The scope of this application-oriented paper will be a manually operated distribution warehouse with a capacity of more than 40,000 pallets connected to an order-picking and a value-added-service area.  ...  The resulting average times for transport task execution are compared for the basic scenario and the scenario 1 with improved storage allocation in Figure 5 .  ... 
doi:10.1109/wsc.2013.6721706 dblp:conf/wsc/ClausenDDGP13 fatcat:6bkvvr4onjhkxouo5lj34e3mz4

A Novel Hierarchical Soft Actor-Critic Algorithm for Multi-logistics Robots Task Allocation

Hengliang Tang, Anqi Wang, Fei Xue, JiaXin Yang, Yang Cao
2021 IEEE Access  
In intelligent unmanned warehouse goods-to-man systems, the allocation of tasks has an important influence on the efficiency because of the dynamic performance of AGV robots and orders.  ...  Finally, experimental results for simulation experiments in different scenes show that the method can make multi-logistics AGV robots work together and improves the reward in sparse environments about  ...  .: Novel HSAC Algorithm for Multi-Logistics Robots Task Allocation FIGURE 7 . 7 The Gantt charts of the HSAC with different warehouse environments.  ... 
doi:10.1109/access.2021.3062457 fatcat:jp56ztya7vckxdp6jhnt6fbxwe

A Simulation Study for the Sustainability and Reduction of Waste in Warehouse Logistics

A. Burinskiene, A. Lorenc, T. Lerher
2018 International Journal of Simulation Modelling  
For the simulation model, the Dijkstra algorithm has been selected to schedule forklifts driving and picking vehicles routes in internal transport.  ...  According to the extensive simulation analysis approximately 67 % of waste could be reduced in warehouses.  ...  The originality of the research is the application of the Dijkstra algorithm for waste for main warehouse processes calculation.  ... 
doi:10.2507/ijsimm17(3)446 fatcat:ohkkqznncfayrhvtwa5qo6f4bi

Warehouse Design and Planning: A Mathematical Programming Approach [chapter]

Carla A. S. Geraldes, Maria Sameiro Carvalho, Guilherme A. B. Pereira
2012 Lecture Notes in Computer Science  
Warehouses can be considered one of the most important nodes in supply chains.  ...  In this paper we discuss a mathematical programming model aiming to support product assignment and allocation to the functional areas as well as the size of each area.  ...  They also used simulation technique for validation and fine tuning of the resulting design and operating policies.  ... 
doi:10.1007/978-3-642-31137-6_14 fatcat:zlk7pkyy3ncj5jlqsxjby2prim

A Simulation-Based Optimization Method for Warehouse Worker Assignment

Odkhishig Ganbold, Kaustav Kundu, Haobin Li, Wei Zhang
2020 Algorithms  
The proposed decision support tool assists the warehouse manager in dealing with warehouse worker allocation problem under conditions of random daily workload.  ...  We first built a simulation model of the warehouse with the object-oriented discrete-event simulation (O2DES) framework, and then implemented a random neighborhood search method utilizing the simulation  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.  ... 
doi:10.3390/a13120326 fatcat:jgxy3fnaxfebfihabsbvlg6rhy

Aspects of Mechanism Design for Industry 4.0 Multi-Robot Task Auctioning

Ajay Kattepur, Sourav Khemkha
2021 EAI Endorsed Transactions on Smart Cities  
We demonstrate this approach over a realistic use case of task allocation involving multiple pick and place robots in Industry 4.0 warehouses.  ...  In this paper, we study the effect of varying bidding auction mechanism design protocols to result in multi-agent task auctioning.  ...  Table 2 provides the notations for the agents and tasks in the Industry 4.0 warehouse scenario.  ... 
doi:10.4108/eai.12-8-2021.170670 fatcat:sd76ypdeh5dctlawfnogaz6t64

A solution for cross-docking operations planning, scheduling and coordination

Zhengping Li, Wei He, Cheng Hwee Sim, Chong Chuan Chen
2008 2008 IEEE International Conference on Service Operations and Logistics, and Informatics  
real-time scheduling handles the dynamics of container arrivals and actual pallet transfers; and cross-docking coordination conducts real-time task assignment/sequencing and resource management to deal  ...  This paper introduces our research and development work on cross docking solution in three aspects: optimized planning on container grouping, clustering, sequencing and allocating containers to docks;  ...  We consider a pure cross-docking pre-allocation scenario.  ... 
doi:10.1109/soli.2008.4683041 fatcat:whnpj6iugva6vg5pslalpb2k3a

Integrated Optimization of Finished Product Logistics in Iron and Steel Industry Using a Multi-objective Variable Neighborhood Search

Kun Li, Huixin Tian
2015 ISIJ International  
In this problem, three kinds of decisions should be made simultaneously, namely the selection of candidate finished products in each warehouse (i.e., consolidation planning) and the vehicle allocation  ...  Computational results on simulated instances show that the proposed TLMOVNS is very efficient for this problem and much superior to the current scheduling method generally used in practice.  ...  Acknowledgement This work was supported by Natural Science Foundation of China (Grants 61403277), and Humanities and Social Science Research Projects for Colleges in Tianjin (Grants 20132151).  ... 
doi:10.2355/isijinternational.isijint-2015-007 fatcat:lx7nc32gh5eufeo7se2dpwxana

A Comprehensive Framework for the Design of Modular Robotic Mobile Fulfillment Systems

Wei Wang, Yaohua Wu, Jun Zheng, Cheng Chi
2020 IEEE Access  
This paper proposes a modular robotic system with aisle-captive robots for small and medium-sized logistics warehouses.  ...  This paper focuses on the design of modular Robotic Mobile Fulfillment Systems.  ...  A congestionfree modular RMFS is presented for small and medium-sized logistics warehouses. The modular RMFS can be deployed uniformly for automated warehouses in different scenarios.  ... 
doi:10.1109/access.2020.2966403 fatcat:apfksqroqfdojbp4q2h4cqqsbm

Modelling and Production Configuration Optimization for an Assembly Shop

S. L. Yang, Z. G. Xu, J. Y. Wang
2019 International Journal of Simulation Modelling  
In addition, a general modelling method for workshop logistics processes using DES was proposed to efficiently develop a simulation model of the complex production processes.  ...  A mathematical optimization model of the workshop layout was formulated and solved using a genetic algorithm (GA).  ...  ACKNOWLEDGEMENT The authors acknowledge funding from the Science and Technology Planning Projects of Shenyang (Project No. Z17-7-002).  ... 
doi:10.2507/ijsimm18(2)co10 fatcat:vnvjbijxqnfqrf6waqpsef7vta

A Solution for Cross-docking Operations Planning, Scheduling and Coordination

Zhengping Li, Wei He, Cheng Hwee Sim, Chong Chuan Chen
2012 Journal of Service Science and Management  
real-time scheduling handles the dynamics of container arrivals and actual pallet transfers; and cross-docking coordination conducts real-time task assignment/sequencing and resource management to deal  ...  This paper introduces our research and development work on cross docking solution in three aspects: optimized planning on container grouping, clustering, sequencing and allocating containers to docks;  ...  We consider a pure cross-docking pre-allocation scenario.  ... 
doi:10.4236/jssm.2012.52014 fatcat:4ver5ssm45gb7icxvyw236ftle

Modelling and optimisation of a product recovery network

Rahul Swarnkar, Jennifer A. Harding
2009 International Journal of Sustainable Engineering  
A genetic algorithm approach is presented for optimizing the network for single product scenario.  ...  An appropriate logistics network is an important element of the infrastructure of any product recovery company.  ...  (Kroon and Vrijens 1995) address the design of a logistics system for reusable transportation packaging.  ... 
doi:10.1080/19397030802576288 fatcat:izkp7ri7pnhmdcaqxfqdlwj5wi

Optimising Forklift Activities in Wide-Aisle Reference Warehouse

A. Burinskiene
2015 International Journal of Simulation Modelling  
For empirical study author created a simulation model and tested different scenarios.  ...  First of all, author examined the new routing method and suggested programming algorithm for forklift route optimization.  ...  For such all forklift tasks are entered into the simulation model. First, simulation tests showed that seeking to improve put-away activity there is a need to re-design inbound process.  ... 
doi:10.2507/ijsimm14(4)5.312 fatcat:easx57tqxrf2deyp6xpduciolm

Software Support of City Logistics´ Processes

David Šourek
2021 Transportation Research Procedia  
Many software companies offer a variety of software tools, which can be used for optimization and planning in city logistic tasks.  ...  Many software companies offer a variety of software tools, which can be used for optimization and planning in city logistic tasks.  ...  Acknowledgements The work was supported from ERDF/ESF "Cooperation in Applied Research between University of Pardubice and companies, in the Field of Positioning, Detection and Simulation Technology for  ... 
doi:10.1016/j.trpro.2021.06.019 fatcat:rg5veastcnfazpo5xc4wx2xl5i

A modular control system for warehouse automation - algorithms and simulations in USARSim

Damjan Miklic, Tamara Petrovic, Mirko Coric, Zvonimir Piskovic, Stjepan Bogdan
2012 2012 IEEE International Conference on Robotics and Automation  
System performance is evaluated on a virtual warehouse model, using the high fidelity USARSim simulator.  ...  Only a map of the warehouse and a pallet delivery list are provided a priori.  ...  We would like to thank LARICS students Antonio Krnjak, Ivo Petković, Tonko Visković and Hrvoje Vugrinec for implementing the map processing algorithms, the WAREHOUSim application and ROS interface nodes  ... 
doi:10.1109/icra.2012.6224894 dblp:conf/icra/MiklicPCPB12 fatcat:7ey64agoijf6xkb2zfhv4x5bnu
« Previous Showing results 1 — 15 out of 2,612 results