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Journal articles on the topic 'Optimal Layout Problems'

Author: Grafiati

Published: 7 July 2024

Last updated: 31 July 2025

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1

Nisted, Lasse, David Pisinger, and Avri Altman. "Optimal wafer cutting in shuttle layout problems." Journal of Combinatorial Optimization 22, no. 2 (2010): 202–16. http://dx.doi.org/10.1007/s10878-009-9284-z.

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Lakehal, Soumaya, and Abdelhakim Aitzai. "A Modified Simulated Annealing and Enhanced Harmony Search Algorithms for the Continuous Facility Layout Problem (CFLP)." WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS 21 (November 15, 2024): 2233–43. http://dx.doi.org/10.37394/23207.2024.21.183.

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This paper focuses on solving the Continuous Facility Layout Problem (CFLP), which aims to minimize material handling costs by strategically placing facilities in a known or unknown area. The objective is to find optimal or near-optimal facility arrangements while adhering to non-overlapping and spatial constraints, thus enhancing the efficiency of production systems. The study addresses various layout scenarios, including single-row facility layout (with and without clearance), continuous layout, and unequal-area facility layout problems. To achieve this, the authors propose a mixed-integer n

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Liu, Shu Yuan. "The Application of Layout Heuristic Optimization Algorithm in Operational Model." Advanced Materials Research 753-755 (August 2013): 1914–17. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.1914.

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In order to solve the layout NP complete problem, this paper analyzes the layout optimization model and algorithm, This kind of problems involved in operational research, data structures, algorithm analysis, artificial intelligence, computer network, etc. multi-discipline knowledge. Layout problems widely exist in practice, the main research rectangular optimal layout, Rectangular optimal layout is a series of rectangular parts reasonably emissions in raw material, make the highest utilization of raw material, And the optimization mathematical model is established, and the use of heuristic alg

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Lurie, K. A. "Direct relaxation of optimal layout problems for plates." Journal of Optimization Theory and Applications 80, no. 1 (1994): 93–116. http://dx.doi.org/10.1007/bf02196595.

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5

Hills, W., M. Barlow, and G. Cleland. "Layout Design of Large Made-To-Order Products Using a Knowledge-Based System." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 207, no. 4 (1993): 257–63. http://dx.doi.org/10.1243/pime_proc_1993_207_088_02.

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Work is described which is concerned with the application of knowledge-based and emergent-order programming techniques to conceptual layout problems in the field of large made-to-order products. The aim of this work has been to develop a prototype for computer aided design (CAD) tools that manipulate and analyse a product's topology, rather than its precise geometry. Features of the system include: working prototypes of a generic layout-oriented product model database schema and a layout design process. A knowledge-based system is used to advise the designer on optimal layout strategies and th

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Munavalli, Jyoti R., Shyam Vasudeva Rao, Aravind Srinivasan, and Frits Van Merode. "Dynamic Layout Design Optimization to Improve Patient Flow in Outpatient Clinics Using Genetic Algorithms." Algorithms 15, no. 3 (2022): 85. http://dx.doi.org/10.3390/a15030085.

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Evolutionary algorithms, such as genetic algorithms have been used in various optimization problems. In this paper, we propose to apply this algorithm to obtain the layout design/redesign in order to improve the patient flow in an outpatient clinic. Layout designs are planned considering long-term requirements whereas the layout keeps modifying as per short-term demands. Over a period of time, the layout often does not remain efficient. Therefore, there is a need for such a model that helps in decision making on layout redesigns, and it must also optimize workflow by incorporating the flow con

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Hsie, Machine, Ming-Yen Wu, and Chun Yen Huang. "Optimal urban sewer layout design using Steiner tree problems." Engineering Optimization 51, no. 11 (2019): 1980–96. http://dx.doi.org/10.1080/0305215x.2018.1560436.

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Gu, Jinjin, Yuan Cao, Min Wu, Min Song, and Lin Wang. "A Novel Method for Watershed Best Management Practices Spatial Optimal Layout under Uncertainty." Sustainability 14, no. 20 (2022): 13088. http://dx.doi.org/10.3390/su142013088.

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Watershed Best management Practices (BMPs) spatial optimal layout would be affected by uncertainty, and there are still three problems which are worthy of studying in the present studies of watershed BMPs spatial optimal layout under uncertainty: (1) how to integrate multiple uncertainties in optimization model effectively; (2) how to avoid subjective weight in multi-objective uncertainty model; (3) how to develop more elastic schemes for uncertainty impact. To solve the mentioned problems, this study takes Zhegao river watershed, China as an example, interval stochastic fuzzy fractional progr

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Gamot, Juliette, Mathieu Balesdent, Romain Wuilbercq, Arnault Tremolet, and Nouredine Melab. "Two-Level Approach for Simultaneous Component Assignment and Layout Optimization with Applications to Spacecraft Optimal Layout." Applied Sciences 14, no. 18 (2024): 8120. http://dx.doi.org/10.3390/app14188120.

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Optimal layout problems consist in positioning a given number of components in order to minimize an objective function while satisfying geometrical or functional constraints. Such kinds of problems appear in the design process of aerospace systems such as satellite or spacecraft design. These problems are NP-hard, highly constrained and dimensional. This paper describes a two-stage algorithm combining a genetic algorithm and a quasi-physical approach based on a virtual-force system in order to solve multi-container optimal layout problems such as satellite modules. In the proposed approach, a

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Irawan, Heri Tri, Bismi Khairijal, Iing Pamungkas, et al. "Perancangan Ulang Tata Letak pada Galangan Kapal Tradisional menggunakan Blocplan-90." Jurnal Optimalisasi 9, no. 2 (2023): 148. http://dx.doi.org/10.35308/jopt.v9i2.8325.

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CV. Rasya Jaya is a traditional fishing boat manufacturing company located in Padang Seurahet, Kec. Johan Pahlawan, Aceh Barat Regency. The facility layout of CV. Rasya Jaya has several workstations that are not in the correct location for the production process or the relationship between related rooms. This results in inefficient and ineffective material handling, as well as reduced worker comfort. The poorly organized facilities also contribute to production constraints. Therefore, it is necessary to evaluate the production facility layout at CV. Rasya Jaya. The goal is to provide an altern

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11

CHEN, DANNY Z., XIAOBO S. HU, and XIAODONG WU. "OPTIMAL POLYGON COVER PROBLEMS AND APPLICATIONS." International Journal of Computational Geometry & Applications 12, no. 04 (2002): 309–38. http://dx.doi.org/10.1142/s0218195902000918.

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Polygon cover problems are important in several applied areas, such as material layout, layered manufacturing, radiation therapy and radiosurgery, etc. In this paper, we study three optimal polygon cover problems: monotone polygon cover among obstacles, star-shaped polygon cover among obstacles, and strip cover for trapezoidalized polygons. Based on some interesting geometric observations, we develop efficient algorithms for solving these problems. The complexity bounds of our monotone cover and star-shaped cover algorithms are comparable to those of the previously best known algorithms for si

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KOUVELIS, PANAGIOTIS, WEN-CHYUAN CHIANG, and GANG YU. "Optimal algorithms for row layout problems in automated manufacturing systems." IIE Transactions 27, no. 1 (1995): 99–104. http://dx.doi.org/10.1080/07408179508936721.

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13

Szykman, S., and J. Cagan. "A Simulated Annealing-Based Approach to Three-Dimensional Component Packing." Journal of Mechanical Design 117, no. 2A (1995): 308–14. http://dx.doi.org/10.1115/1.2826140.

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This paper introduces a simulated annealing-based approach to three-dimensional component packing that employs simulated annealing to generate optimal solutions. Simulated annealing has been used extensively for two-dimensional layout of VLSI circuits; this research extends techniques developed for two-dimensional layout optimization to three-dimensional problems which are more representative of mechanical engineering applications. This research also provides a framework in which to solve general component layout problems.

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Mohammad, Mukhayadi, Hermadi Irman, and Hardhienata Soewarto. "Layout Optimization of Microsatellite Components Using Genetic Algorithm." TELKOMNIKA Telecommunication, Computing, Electronics and Control 15, no. 1 (2017): 341–50. https://doi.org/10.12928/TELKOMNIKA.v15i1.3872.

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Placing the components into a container that is normally known as layout optimization problem belongs to NP-hard problems in terms of computational complexity. This study took the layout of microsatellite components as a case study to propose a basic solution strategy for the optimal layout design of a microsatellite. In this case, the layout should meet the requirements of the mission payload, the launcher and the spacecraft attitude control. It utilized the novel scheme to find the various possibilities of optimal layout using genetic algorithm combined with order-based positioning technique

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Kundeti, Vamsi Krishna, and Prosenjit Gupta. "Optimal Algorithms for Some Polygon Enclosure Problems for VLSI Layout Analysis." Journal of Mathematical Modelling and Algorithms 5, no. 3 (2006): 259–71. http://dx.doi.org/10.1007/s10852-005-9008-z.

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Firmansyah, Mochamad Jordan Dwi, and Erni Puspanantasari Putri. "Relayout of Production Layout to Reduce Material Handling Costs." Journal La Multiapp 6, no. 1 (2025): 34–49. https://doi.org/10.37899/journallamultiapp.v6i1.1818.

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Despite its long-standing operation, the company faces several issues related to the production floor layout, such as inefficient material flow, high waiting times, and suboptimal space utilization. These problems have led to decreased productivity, time inefficiencies, and an uncomfortable work environment. This study aims to redesign the production floor layout using the Systematic Layout Planning (SLP) method to improve material flow efficiency and productivity. The SLP method helps identify the relationships between activities and design an optimal layout by minimizing material transfer di

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17

Zha, Shanshan, Yu Guo, Shaohua Huang, Qi Wu, and Pengzhou Tang. "A hybrid optimization approach for unequal-sized dynamic facility layout problems under fuzzy random demands." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 234, no. 3 (2019): 382–99. http://dx.doi.org/10.1177/0954405419883046.

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Dynamic facility layout problems involve devising the optimal layout for each different production period. This article studies unequal-area dynamic facility layout problems under fuzzy random environment to minimize the sum of the material handling costs and rearrangement costs. For a more general situation, a novel model of unequal-area dynamic facility layout problems is proposed on the basis of fuzzy random theory, in which uncertain demands are characterized by fuzzy random variables. Unequal-area dynamic facility layout problems are one of the non-deterministic polynomial-time hard probl

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18

OUHOUD, Amina, Amani TAIBI, and Wafaa DJERBOUA. "A Bi-Objective Optimization Approach using the LP-Metric Method Applied to Single-Row Facility Layout Problem." Electrotehnica, Electronica, Automatica 73, no. 1 (2025): 78–85. https://doi.org/10.46904/eea.25.73.1.1108008.

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In the manufacturing industry, material handling costs account for a significant portion of total manufacturing costs, ranging from 15 % to 70 %. The efficient arrangement of facilities within a manufacturing system can reduce these costs by 10 % to 30 %. This is where the facility layout problem comes into play, which involves arranging physical spaces for multiple departments within a given space. Traditionally, the facility layout planning has been solved using intuition and the artistic skills of a human designer. However, when quantitative considerations are involved, computers have an ad

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Kartikaningtyas, Dela Safitri, Sri Raharno, and Yunendar Aryo Handoko. "Review On Layout Optimization For Rollingstock Maintenance Depot." Syntax Literate ; Jurnal Ilmiah Indonesia 10, no. 1 (2025): 729–51. https://doi.org/10.36418/syntax-literate.v10i1.17307.

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This review paper discusses the importance of having an optimal layout for rollingstock maintenance depots to optimize rollingstock maintenance in improving maintenance efficiency and reducing maintenance costs while maintaining the availability and reliability of railway vehicles. The current problems in rollingstock maintenance depots faced by railway industry are limited land availability, limited storage space, material handling issues, and the lack of standards for train maintenance depot layouts. The paper also presents classification criteria and categories on layout planning and mainte

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20

Fairclough, H., and M. Gilbert. "Layout optimization of simplified trusses using mixed integer linear programming with runtime generation of constraints." Structural and Multidisciplinary Optimization 61, no. 5 (2020): 1977–99. http://dx.doi.org/10.1007/s00158-019-02449-7.

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AbstractTraditional truss layout optimization employing the ground structure method will often generate layouts that are too complex to fabricate in practice. To address this, mixed integer linear programming can be used to enforce buildability constraints, leading to simplified truss forms. Limits on the number of joints in the structure and/or the minimum angle between connected members can be imposed, with the joints arising from crossover of pairs of members accounted for. However, in layout optimization, the number of constraints arising from ‘crossover joints’ increases rapidly with prob

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21

DÍAZ, JOSEP, MATHEW D. PENROSE, JORDI PETIT, and MARÍA SERNA. "Convergence Theorems for Some Layout Measures on Random Lattice and Random Geometric Graphs." Combinatorics, Probability and Computing 9, no. 6 (2000): 489–511. http://dx.doi.org/10.1017/s0963548300004454.

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This work deals with convergence theorems and bounds on the cost of several layout measures for lattice graphs, random lattice graphs and sparse random geometric graphs. Specifically, we consider the following problems: Minimum Linear Arrangement, Cutwidth, Sum Cut, Vertex Separation, Edge Bisection and Vertex Bisection. For full square lattices, we give optimal layouts for the problems still open. For arbitrary lattice graphs, we present best possible bounds disregarding a constant factor. We apply percolation theory to the study of lattice graphs in a probabilistic setting. In particular, we

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22

Bont, Leo. "Optimales Layout einer Walderschliessung." Schweizerische Zeitschrift fur Forstwesen 167, no. 5 (2016): 294–301. http://dx.doi.org/10.3188/szf.2016.0294.

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Optimal layout of a forest road network The road network is the backbone of forest management. When creating or redesigning a forest road network, one important question is how to shape the layout, this means to fix the spatial arrangement and the dimensioning standard of the roads. We consider two kinds of layout problems. First, new forest road network in an area without any such development yet, and second, redesign of existing road network for actual requirements. For each problem situation, we will present a method that allows to detect automatically the optimal road and harvesting layout

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23

Kouvelis, Panagiotis, and Wen-Chyuan Chiang. "Optimal and Heuristic Procedures for Row Layout Problems in Automated Manufacturing Systems." Journal of the Operational Research Society 47, no. 6 (1996): 803. http://dx.doi.org/10.2307/3010288.

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Kouvelis, Panagiotis, and Wen-Chyuan Chiang. "Optimal and Heuristic Procedures for Row Layout Problems in Automated Manufacturing Systems." Journal of the Operational Research Society 47, no. 6 (1996): 803–16. http://dx.doi.org/10.1057/jors.1996.100.

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25

Blanks, John P. "Near-optimal quadratic-based placement for a class of IC layout problems." IEEE Circuits and Devices Magazine 1, no. 5 (1985): 31–37. http://dx.doi.org/10.1109/mcd.1985.6312016.

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26

Anjos, Miguel F., and Ginger Yen. "Provably near-optimal solutions for very large single-row facility layout problems." Optimization Methods and Software 24, no. 4-5 (2009): 805–17. http://dx.doi.org/10.1080/10556780902917735.

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27

Han, Xiao Jian, Xiang Fang Ding, and Chun Xiao. "The Research of Particle Swarm Algorithm Based on Heuristic Rules for the Layout of Airplane Equipment Cabin." Applied Mechanics and Materials 300-301 (February 2013): 659–63. http://dx.doi.org/10.4028/www.scientific.net/amm.300-301.659.

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How to get the most optimal solution of equipment layout in the aircraft cabin of the limited space is a completely NP problem. The problem is abstracted as three dimensions （3D） layout problem. A co-evolutionary particle swarm optimization with heuristic rules is presented. The cabin is decomposed into several small-scale layout problems. The co-evolutionary framework is adopted, and particle swarm optimization (PSO) and heuristic roles for layout are integrated to solve this problem. Finally, an example is used to verify the feasibility and effectiveness of the algorithm.

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Hou, Shiwang, Haijun Wen, Shunxiao Feng, Hui Wang, and Zhibin Li. "Application of Layered Coding Genetic Algorithm in Optimization of Unequal Area Production Facilities Layout." Computational Intelligence and Neuroscience 2019 (June 19, 2019): 1–17. http://dx.doi.org/10.1155/2019/3650923.

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Unequal area facilities layout problem (UA-FLP) is an inevitable problem in the process of new construction, reconstruction, and expansion of enterprises. The rationality of the facilities layout has a great influence on the operation performance of the production system. Finding the optimal solution of UA-FLP according to the requirement of production process is the main content of the plant design. The facilities were constrained by given areas and aspect ratio, respectively. By adopting the method of slicing tree, the layout space was divided into multiple regions for each facility. The gen

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Hartanto, Nadiya Hasna Fakhirah, and Budi Aribowo. "Perancangan Tata Letak Toko Ritel Berdasarkan Pola Belanja Konsumen Dengan Market Basket Analysis (Studi Kasus: Indomaret Sukatani)." JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI 8, no. 2 (2023): 119. http://dx.doi.org/10.36722/sst.v8i2.1375.

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<p><strong>During the pandemic in early 2020, consumer behavior in shopping at retail stores changed. Some of the main factors taken into consideration that can influence consumer shopping behavior are facilities, layout, and time spent shopping. This can affect product sales at Indomaret Sukatani which has an ineffective layout so that it is difficult for customers to reach and customers need to spend a long-time shopping. To solve these problems, it is necessary to do data mining using the Market Basket Analysis method with the Apriorist and FP-Growth Algorithm so that customer s

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Zarea Fazlelahi, Forough, Mehrdokht Pournader, Mohsen Gharakhani, and Seyed Jafar Sadjadi. "A robust approach to design a single facility layout plan in dynamic manufacturing environments using a permutation-based genetic algorithm." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 230, no. 12 (2016): 2264–74. http://dx.doi.org/10.1177/0954405415615728.

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During the past few decades, developing efficient methods to solve dynamic facility layout problems has been focused on significantly by practitioners and researchers. More specifically meta-heuristic algorithms, especially genetic algorithm, have been proven to be increasingly helpful to generate sub-optimal solutions for large-scale dynamic facility layout problems. Nevertheless, the uncertainty of the manufacturing factors in addition to the scale of the layout problem calls for a mixed genetic algorithm–robust approach that could provide a single unlimited layout design. The present resear

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Mousavian, Elham, and Claudia Casapulla. "Joint Layout Design: Finding the Strongest Connections within Segmental Masonry Arched Forms." Infrastructures 7, no. 1 (2022): 9. http://dx.doi.org/10.3390/infrastructures7010009.

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Segmental arched forms composed of discrete units are among the most common construction systems, ranging from historic masonry vaults to contemporary precast concrete shells. Simple fabrication, transport, and assembly have particularly made these structural systems convenient choices to construct infrastructures such as bridges in challenging environmental conditions. The most important drawback of segmental vaults is basically the poor mechanical behaviour at the joints connecting their constituent segments. The influence of the joint shape and location on structural performances has been w

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Luo, Ruifeng, Yifan Wang, Weifang Xiao, and Xianzhong Zhao. "AlphaTruss: Monte Carlo Tree Search for Optimal Truss Layout Design." Buildings 12, no. 5 (2022): 641. http://dx.doi.org/10.3390/buildings12050641.

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Truss layout optimization under complex constraints has been a hot and challenging problem for decades that aims to find the optimal node locations, connection topology between nodes, and cross-sectional areas of connecting bars. Monte Carlo Tree Search (MCTS) is a reinforcement learning search technique that is competent to solve decision-making problems. Inspired by the success of AlphaGo using MCTS, the truss layout problem is formulated as a Markov Decision Process (MDP) model, and a 2-stage MCTS-based algorithm, AlphaTruss, is proposed for generating optimal truss layout considering topol

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Nenzhelele, Tshifhiwa, John Alfred Trimble, Jan Andriaan Swanepoel, and Mukondeleli Grace Kanakana-Katumba. "MCDM Model for Evaluating and Selecting the Optimal Facility Layout Design: A Case Study on Railcar Manufacturing." Processes 11, no. 3 (2023): 869. http://dx.doi.org/10.3390/pr11030869.

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Facility layout in a manufacturing system is a complex production activity because decisions on layout design are influenced by numerous, ambiguous, and competing factors. This study proposes a method for determining and choosing an ideal layout using a hybridized Fuzzy Analytic Hierarchy Process (F-AHP) with the Fuzzy Technique for Order of Preference by Similarity to the Ideal Solution (F-TOPSIS). The F-AHP is used, in this case, because of its ability to generate design criteria weight. The railcar industrial case study results indicate that the developed model can effectively lead to selec

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Shen, Yue, and Cheng Wang. "Optimisation of Garbage Bin Layout in Rural Infrastructure for Promoting the Renovation of Rural Human Settlements: Case Study of Yuding Village in China." International Journal of Environmental Research and Public Health 18, no. 21 (2021): 11633. http://dx.doi.org/10.3390/ijerph182111633.

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Optimising the layout of garbage bins is a requirement for improving the utilisation efficiency of rural infrastructure and continuously promoting the renovation of rural human settlements in China. This study selects Yuding Village in Chongqing, China, as the study area. The present distribution of garbage bins and the existing problems are analysed on the basis of interview materials and the point on interest data of garbage bins obtained from an on-the-spot investigation. Actor network theory (ANT) is suitable for small-scale micro research, and thus, this study uses ANT to construct a rese

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Magay, A. A., E. A. Bulgakova, and S. A. Zabelina. "Organizing vertical layout environments: a forward-looking development strategy for high-rise building projects." E3S Web of Conferences 33 (2018): 01016. http://dx.doi.org/10.1051/e3sconf/20183301016.

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The article highlights issues surrounding development of high rise buildings. With the rapid increase of the global population there has been a trend for people to migrate into megacities and has caused the expansion of big city territories. This trend, coupled with the desire for a comfortable living environment, has resulted in numerous problems plaguing the megacity. This article proposes that a viable solution to the problems facing megacities is to create vertical layout environments. Potential options for creating vertical layout environments are set out below including the construction

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Shafaee, Maziar, Parviz Mohammadzadeh, Abbas Elkaie, and Saied Abbasi. "Layout design optimization of a space propulsion system using hybrid optimization algorithm." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 231, no. 2 (2016): 338–49. http://dx.doi.org/10.1177/0954410016636914.

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The layout design problem of a propulsion system is complex and time-consuming process. This is mainly due to geometrical and performance constraints and system requirements. In addition, layout design optimization of a space propulsion system is non-linear, non-convex, and multimodal, which makes it difficult to implement conventional optimization methods to this class of design problems. This paper presents a hybrid optimization algorithm using genetic algorithm and sequential quadratic programming for optimal layout design of a space propulsion system. Previous research works mainly focused

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Yuan, Quan, You Zhi Wang, and Ye Gang Wang. "Rearch on the General Construction Layout of Tsingtao Bay Bridge." Applied Mechanics and Materials 357-360 (August 2013): 2426–29. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.2426.

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Tsingtao Bay Bridge is the longest bridge spanning the sea in the world and the forerunner of large-scale sea-spanning bridges in China's northern frozen seas. Taking Tsingtao Bay Bridge as an example and combined with the practical project, this paper puts forward the basic principles of the general layout of large-scale sea-spanning bridges in China's northern frozen seas; develops the general layout of the marine bridge construction and corresponding research ideas, gives the optimal solution of the construction general layout and summarizes the advanced characteristics of the scheme; syste

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Isman Budiman and Siti Samsiyah Purwaningsih. "Inventory Management Through Information Systems Design And Warehouse Layout In Sans Boxer." Records Management System Journal 2, no. 1 (2023): 22–34. http://dx.doi.org/10.62201/rmsj.v2i1.74.

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Inventory management is a crucial aspect in the business world. To achieve effective inventory management, a proper inventory information system is need. However, many companies, especially SMEs, still rely on conventional inventory management systems. Additionally, the layoutof storage also affects inventory control. The right layout can improve work efficiency and space utilization. Sans Boxer, an SME company engaged in clothing, faces ssues in inventory control. Some problems encountered include unrecorded transaction, innacurate stock information, limited storage, capacity, and difficultie

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SARASWATI, RAHAJU, ALI AZHAR, MUDJAHIDIN MUDJAHIDIN, and DEDY KUNHADI. "PERANCANGAN GROUP TECHNOLOGY LAYOUT DI PT DPS SURABAYA DENGAN METODE SIMULASI DAN TAGUCHI." Jurnal Teknik Industri 12, no. 2 (2012): 104. http://dx.doi.org/10.22219/jtiumm.vol12.no2.104-109.

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PT Dok dan Perkapalan Surabaya (DPS) is one of several strategic BUMN in marine field. With BUMN restructurisation and efficiency program from Government, PT DPS is liable to improve its production system efficiency. Many problems that faced by PT DPS to improve its production system efficiency are : (1)There is waste work shop such as work in process, waiting time, and flow time at fabrication process in PT DPS, (2) Because waste work shop is still big, shop production process efficiency has not reached maximally yet, (3)Layout and facilities of PT DPS today is already suitable with concept o

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Bravo, Oscar, Mara Belmonte, Beatriz Oechler, Uriel Rovero, Rodrigo de Icaza, and Froylan Franco. "LAYOUT OPTIMIZATION FOR A FACTORY OF A MEXICAN RECYCLING COMPANY." International Journal of Engineering Technologies and Management Research 6, no. 6 (2020): 146–65. http://dx.doi.org/10.29121/ijetmr.v6.i6.2019.404.

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The present format is an investigation of the principal problems found at the present time at a Mexican Recycling factory. Said problems were analyzed and the ones with greater urgency to be solved or with greater negative impact were selected. These selected problems were analyzed, measured and calculated to find the optimal solution or the best recommendation possible. A change in the current layout was done with the objective of optimizing the resources of the plant as decreasing costs and errors that create an inefficient productivity inside the plant. This recommendations in the accommoda

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Oscar, Bravo, Belmonte Mara, Oechler Beatriz, Rovero Uriel, de Icaza Rodrigo, and Froylan Franco Professor. "LAYOUT OPTIMIZATION FOR A FACTORY OF A MEXICAN RECYCLING COMPANY." International Journal of Engineering Technologies and Management Research 6, no. 6 (2019): 146–65. https://doi.org/10.5281/zenodo.3271322.

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The present format is an investigation of the principal problems found at the present time at a Mexican Recycling factory. Said problems were analyzed and the ones with greater urgency to be solved or with greater negative impact were selected. These selected problems were analyzed, measured and calculated to find the optimal solution or the best recommendation possible. A change in the current layout was done with the objective of optimizing the resources of the plant as decreasing costs and errors that create an inefficient productivity inside the plant. This recommendations in the accommoda

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Sayeed, Q. A., and E. C. De Meter. "Mixed-Integer Programming Model for Fixture Layout Optimization." Journal of Manufacturing Science and Engineering 121, no. 4 (1999): 701–8. http://dx.doi.org/10.1115/1.2833111.

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Workpiece deformation during machining is a significant source of machined feature geometric error. This paper presents a linear, mixed integer programming model for determining the optimal locations of locator buttons, supports, and their opposing clamps for minimizing the affect of static workpiece deformation on machined feature geometric error. This model operates on discretized candidate regions as opposed to continuous candidate regions. In addition it utilizes a condensed FEA model of the workpiece in order to minimize model size and computation expense. This model has two advantages ov

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İnce, Melike Nur, and Çağatay Taşdemir. "“Facility location selection and layout planning through AHP, PROMETHEE, and CORELAP methods in the furniture industry." BioResources 19, no. 3 (2024): 6478–509. http://dx.doi.org/10.15376/biores.19.3.6478-6509.

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Facility location selection and internal layout planning are critical strategic decisions for long-term sustainability. This study identified the most feasible location and optimal layout for a commercial bedroom furniture manufacturing facility through a seven-phase evaluation of Istanbul, Ankara, Izmir, and Bursa. The Analytical Hierarchy Process (AHP) and PROMETHEE were used for city and district selection, with AHP calculating criteria weights and PROMETHEE ranking alternatives. The Borda Count Method aggregated MCDM results, selecting Istanbul as the optimal city and Dudullu Organized Ind

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J Tampubolon, L D Agoestine Simangunsong, M D Agustina Sibuea, and A C Sembiring and A Mardhatillah. "Prayer paper production facility layout redesign using systematic layout planning method and CRAFT." International Journal of Science, Technology & Management 1, no. 4 (2020): 448–56. http://dx.doi.org/10.46729/ijstm.v1i4.84.

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Abstract. The facility layout is a strategic design that is used for a long time. All manufacturing industries must pay attention to the right layout to increase the productivity of the industry. A prayer paper manufacturing industry located in the Tanjung Morawa area, Medan has an error in the placement of raw materials and the placement of production machines, so that the distance from the temporary warehouse to the printing and cutting work stations is far apart, causing high material handling costs. Seeing these problems, research was carried out to improve the layout of the facilities and

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Yin, Su, and Jonathan Cagan. "An Extended Pattern Search Algorithm for Three-Dimensional Component Layout." Journal of Mechanical Design 122, no. 1 (2000): 102–8. http://dx.doi.org/10.1115/1.533550.

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An extended pattern search algorithm is introduced for efficient component layout optimization. The algorithm is applicable to general layout problems, where component geometry can be arbitrary, design goals can be multiple and spatial constraint satisfactions can be of different types. Extensions to pattern search are introduced to help the algorithm to converge to optimal solutions by escaping inferior local minima. The performance on all of the test problems shows that the algorithm runs one-to-two orders of magnitude faster than a robust simulated annealing-based algorithm for results with

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Su, Jian Jiang, Chao Che, Qiang Zhang, and Xiao Peng Wei. "Satellite Module Layout Design Based on Adaptive Bee Evolutionary Genetic Algorithm." Applied Mechanics and Materials 538 (April 2014): 193–97. http://dx.doi.org/10.4028/www.scientific.net/amm.538.193.

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The main problems for Genetic Algorithm (GA) to deal with the complex layout design of satellite module lie in easily trapping into local optimality and large amount of consuming time. To solve these problems, the Bee Evolutionary Genetic Algorithm (BEGA) and the adaptive genetic algorithm (AGA) are introduced. The crossover operation of BEGA algorithm effectively reinforces the information exploitation of the genetic algorithm, and introducing random individuals in BEGA enhance the exploration capability and avoid the premature convergence of BEGA. These two features enable to accelerate the

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Najla, Akram Al-Saati, and Yahya Algamal Zakariya. "A modified squirrel search algorithm for solving facility layout problems." TELKOMNIKA (Telecommunication, Computing, Electronics and Control) 20, no. 2 (2022): 348–56. https://doi.org/10.12928/telkomnika.v20i2.21845.

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With the huge advance in artificial intelligence and the rapid development of intelligent swarm algorithms, the exploration of facility layout problem (FLP) with its non-deterministic polynomial-time (NP-Hard) nature has gained much more attention. The squirrel search algorithm is one of the swarm algorithms that is known for its effective gliding feature that provides cheap exploration of lengthy distances. In this work, Msqrl algorithm is presented as a modification of squirrel search algorithm to be capable of handling permutation-specific FLP. The modification is done by introducing two ne

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Ji, Jun, Yi Ping Lu, Jian Zhong Cha, Yao Dong Cui, and Ling Jun Kong. "An Algorithm to Optimal Two-Stage Homogenous Strip Patterns of Rectangular Pieces." Advanced Materials Research 347-353 (October 2011): 3189–92. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.3189.

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This paper presents an algorithm for two-stage homogenous strip patterns for rectangular pieces. The algorithm is appropriate for the shearing and punching process. It proposes the two-stage homogenous strip patterns that can be cut into homogenous strips in two stages, with another two stages being required to cut the strips into pieces. Firstly vertical cuts divide the stock sheet into segments, and then horizontal cuts divide the segments into homogenous strips. A homogenous strip contains pieces of the same type. The algorithm uses a dynamic programming recursion to determine the strip lay

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Alamiparvin, Raheleh, Esmaeil Mehdizadeh, and Hamed Soleimani. "A New Mathematical Model for Cell Layout Problem considering Rotation of Unequal Dimensions of Cells and Machines." Complexity 2024 (March 12, 2024): 1–28. http://dx.doi.org/10.1155/2024/6489087.

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One of the main concepts in group technology (GT) is the cellular manufacturing system (CMS) with three main problems of cell formation (CF), cell layout (CL), and cell scheduling (CS). This paper studies the cell layout problem (CLP), aiming to find the optimal layout of machines within each cell (intracellular layout) and the optimal layout of cells in each workshop (intercellular layout). To adapt to reality, the dimensions of the cells and machines (inside each cell) were considered unequal, and also the cells and machines could rotate. We believe that a cellular layout that assumes unequa

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Tran, Bong Dang, Tuan Ngoc Pham, Nguyen Dai Tran, and Tuan Minh Ho. "GODOGRAPH OF STRIP LAYOUT OF IRREGULAR SHAPES CUTTING FROM SHEET." Science and Technology Development Journal 12, no. 13 (2009): 77–84. http://dx.doi.org/10.32508/stdj.v12i13.2332.

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In this paper, we studied themethod of creating the godograph, which is a set of polar points of parts in marking diagrams when cutting sheet materials. Based on this study, mathematical models, algorithms, computer software are created to solve optimal nesting problems and automize cutting processes with the objective of saving material and increasing cutting productivity in footwear industry.

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