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Empirical analysis of factors contributing to deviations from routing guidelines in order picking: a case study 在订单挑选中导致偏离路线指南的因素的实证分析:一个案例研究
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.006
Aïcha Leroy , An Caris , Benoît Depaire , Teun van Gils , Kris Braekers
{"title":"Empirical analysis of factors contributing to deviations from routing guidelines in order picking: a case study","authors":"Aïcha Leroy ,&nbsp;An Caris ,&nbsp;Benoît Depaire ,&nbsp;Teun van Gils ,&nbsp;Kris Braekers","doi":"10.1016/j.ifacol.2025.09.006","DOIUrl":"10.1016/j.ifacol.2025.09.006","url":null,"abstract":"<div><div>Order picking remains a time-sensitive operation in warehousing, with pickers following predetermined routes. Previous research identified potential drivers for deviations from these routes through qualitative studies or descriptive data analysis. We take a novel approach by applying a statistical analysis on two years of data (i.e., 2 448 000 picks). Our mixed-effects logistic regression model shows that factors such as workload, picks completed, congestion and aisle layout may significantly affect the likelihood of route deviations. Such deviations could significantly reduce route efficiency. These insights highlight the need to integrate real-world dynamics into routing models, aiming to enhance overall efficiency in warehouse operations.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 10","pages":"Pages 25-30"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145159904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reimagining Salmon Supply Chains: A Sustainability Comparison of 3D-Printed and Traditional Production 重塑鲑鱼供应链:3d打印和传统生产的可持续性比较
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.046
Wenqi Li , Banu Y. Ekren , Emel Aktas
{"title":"Reimagining Salmon Supply Chains: A Sustainability Comparison of 3D-Printed and Traditional Production","authors":"Wenqi Li ,&nbsp;Banu Y. Ekren ,&nbsp;Emel Aktas","doi":"10.1016/j.ifacol.2025.09.046","DOIUrl":"10.1016/j.ifacol.2025.09.046","url":null,"abstract":"<div><div>The seafood industry faces growing sustainability challenges, including overfishing, resource inefficiency, and environmental degradation, necessitating innovative production alternatives. While traditional SCs benefit from established infrastructure and consumer trust, their high resource demand and operational inefficiencies highlight the need for sustainable alternatives. This study compares traditional and 3D-printed salmon SCs, using process mapping by flowcharting and sustainability metrics to evaluate their environmental, economic, and social impacts. Findings indicate that 3D-printed salmon reduces carbon emissions by up to 86% and freshwater consumption by 95%, primarily by eliminating farming, feed production, and long-distance cold storage. Additionally, localized production lowers logistical costs and enhances resource efficiency. Despite challenges related to consumer acceptance, regulatory approval, and scalability, 3D printing presents a promising complement to aquaculture, supporting long-term sustainability in seafood production.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 10","pages":"Pages 262-267"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145160116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Hybrid Stacking-Bayesian Model for Defect Detection in the Lithium-Ion Battery Industry 锂离子电池工业缺陷检测的混合堆叠-贝叶斯模型
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.017
Mehdi Foumani , Samaneh Azarakhsh , Arezoo Dahesh , AmirReza Tajally , Reza Tavakkoli-Moghaddam , Behdin Vahedi-Nouri
{"title":"A Hybrid Stacking-Bayesian Model for Defect Detection in the Lithium-Ion Battery Industry","authors":"Mehdi Foumani ,&nbsp;Samaneh Azarakhsh ,&nbsp;Arezoo Dahesh ,&nbsp;AmirReza Tajally ,&nbsp;Reza Tavakkoli-Moghaddam ,&nbsp;Behdin Vahedi-Nouri","doi":"10.1016/j.ifacol.2025.09.017","DOIUrl":"10.1016/j.ifacol.2025.09.017","url":null,"abstract":"<div><div>A defect Lithium-ion battery defect detection is critical due to the widespread use of these batteries. Ensuring their safety and performance is essential, as defects can lead to serious issues, such as overheating and explosions. Early defect detection enhances battery reliability, extends lifespan, and reduces manufacturing costs by mitigating warranty claims and recalls. This paper presents a machine learning-based framework for detecting defects in lithium-ion batteries used in neon signs. Our approach combines various ensemble classification algorithms as base estimators for final stacking meta-learners. A Genetic Algorithm (GA) is used for feature selection, followed by model optimization using Bayesian hyperparameter tuning. Stacking methods with Multi-Layer Perceptron (MLP) and Support Vector Machine (SVM) as meta-learners are employed to enhance classification accuracy for defect detection in lithium-ion batteries used in neon panels. Our Hybrid Stacking-Bayesian (HSB) approach demonstrates the effectiveness of these models in accurately identifying defective batteries, contributing to improved manufacturing quality control and sustainability by minimizing waste and optimizing resource utilization. Implementing our model on real lithium-ion battery data showcases its potential for practical applications in the industry.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 10","pages":"Pages 88-93"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145160316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Leveraging Additive Manufacturing for Inventory Optimization: A Dual-Sourcing Model for Cost and Performance Enhancement in Retail Supply Chains 利用增材制造优化库存:提高零售供应链成本和绩效的双源模型
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.047
Banu Yetkin Ekren , Sara Perotti , Matteo Finelli
{"title":"Leveraging Additive Manufacturing for Inventory Optimization: A Dual-Sourcing Model for Cost and Performance Enhancement in Retail Supply Chains","authors":"Banu Yetkin Ekren ,&nbsp;Sara Perotti ,&nbsp;Matteo Finelli","doi":"10.1016/j.ifacol.2025.09.047","DOIUrl":"10.1016/j.ifacol.2025.09.047","url":null,"abstract":"<div><div>This study examines the integration of additive manufacturing (AM), specifically 3D printing (3DP), into retail supply chains to optimize inventory costs while maintaining high service levels (CSL ≥ 95%). A dual-sourcing inventory model is developed, balancing demand between traditional suppliers and in-house 3DP production. The model, solved using Microsoft Excel Solver, incorporates economic order quantity (EOQ), economic production quantity (EPQ), and reorder points to minimize total costs. Experimental results show that hybrid sourcing with 3DP reduces inventory costs, particularly at higher demand levels, while capacity constraints limit full adoption. Findings suggest that retailers should invest in AM expansion to maximize cost efficiency. This study provides a data-driven framework for hybrid inventory strategies and highlights future research directions in demand uncertainty, queueing effects, and advanced optimization techniques.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 10","pages":"Pages 268-273"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145160435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Integrated Layout and Resource Planning Approach for Assembly Lines 装配线集成布局与资源规划方法
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.029
Seymanur Al Habboush , Quang-Vinh Dang , Alp Akcay , Ivo Adan
{"title":"An Integrated Layout and Resource Planning Approach for Assembly Lines","authors":"Seymanur Al Habboush ,&nbsp;Quang-Vinh Dang ,&nbsp;Alp Akcay ,&nbsp;Ivo Adan","doi":"10.1016/j.ifacol.2025.09.029","DOIUrl":"10.1016/j.ifacol.2025.09.029","url":null,"abstract":"<div><div>Balancing assembly lines has drawn significant research interest over decades due to its vital impact on throughput without adding extra resources. This paper targets production facilities operating multiple identical assembly lines, particularly those facing challenges due to variable task durations across workstations. We propose a methodology for layout planning that prioritizes system-wide balance over independent line balance, leveraging simulation techniques. Our methodology involves removing workstations with long task durations from individual lines and centralizing them to serve all lines. In a real-world case study, the proposed methodology boosts throughput by up to 12% by optimizing the utilization of existing resources.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 10","pages":"Pages 160-165"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145160438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computational aspects for the Koditschek-Rimon navigation function Koditschek-Rimon导航函数的计算方面
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.539
Florin Stoican , Theodor-Gabriel Nicu , Daniel-Mihail Ioan , Ionela Prodan
{"title":"Computational aspects for the Koditschek-Rimon navigation function","authors":"Florin Stoican ,&nbsp;Theodor-Gabriel Nicu ,&nbsp;Daniel-Mihail Ioan ,&nbsp;Ionela Prodan","doi":"10.1016/j.ifacol.2025.09.539","DOIUrl":"10.1016/j.ifacol.2025.09.539","url":null,"abstract":"<div><div>We revisit here the Koditschek-Rimon navigation function idea for the static sphere world case. While the theoretical scafolding is well-known, details about the numerical computations of the associated bounds are lacking in the literature. We present a full implementation of these bounds and propose future directions for reducing their conservatism.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 11","pages":"Pages 144-149"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145181335","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Orbital Flatness of Single-Input Control Systems 单输入控制系统的轨道平整度
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.542
Dmitry A. Fetisov
{"title":"Orbital Flatness of Single-Input Control Systems","authors":"Dmitry A. Fetisov","doi":"10.1016/j.ifacol.2025.09.542","DOIUrl":"10.1016/j.ifacol.2025.09.542","url":null,"abstract":"<div><div>We derive a necessary and sufficient condition for orbital flatness of single-input control systems. We show that a single-input control system S is orbitally fat if and only if the codistribution naturally associated with S is the Goursat structure. To find a new time and a fat output, one needs to transform the codistribution naturally associated with S into the Goursat normal form. Algorithms for constructing such a transformation are well known, so our condition is constructive and provides a systematic way to find a new time and a fat output. An illustrative example is given.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 11","pages":"Pages 162-167"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145181338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Art and Control Engineering: developing animated cartoons for Control Education⁎ 艺术与控制工程:为控制教育开发动画漫画
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.553
C. Stoica , A. Visioli , J.A. Rossiter , J.L. Guzmán , B. Douglas , A. Venturino , A.-C. Braitor , D. Varagnolo , J. McDonald , P. Castillo-Garcia , S. Knorn , M. Ung
{"title":"Art and Control Engineering: developing animated cartoons for Control Education⁎","authors":"C. Stoica ,&nbsp;A. Visioli ,&nbsp;J.A. Rossiter ,&nbsp;J.L. Guzmán ,&nbsp;B. Douglas ,&nbsp;A. Venturino ,&nbsp;A.-C. Braitor ,&nbsp;D. Varagnolo ,&nbsp;J. McDonald ,&nbsp;P. Castillo-Garcia ,&nbsp;S. Knorn ,&nbsp;M. Ung","doi":"10.1016/j.ifacol.2025.09.553","DOIUrl":"10.1016/j.ifacol.2025.09.553","url":null,"abstract":"<div><div>Studies have shown the advantages of combining Art and Science allowing a greater range of engagement by students across multiple senses and thus improving their long term retention and understanding of complex scientific notions, as well as the potential to reach out to broader audiences. This paper offers some insights from the “∞sCaR – <em>2D Animated Cart∞ns for Control Education Rise</em>” project. The goal of this project is to develop 2D animated cartoons on Control to both motivate engineering students to pursue further studies in Control and also to help them better appreciate some of the foundational concepts. In consequence, the authors hope this will increase the impact of Control on the younger generation.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 11","pages":"Pages 228-233"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145181431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Initial Condition Independent Stabilisability of Switched Affine Systems 切换仿射系统的初始条件独立稳定性
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.569
Christopher Townsend , Maria M. Seron
{"title":"Initial Condition Independent Stabilisability of Switched Affine Systems","authors":"Christopher Townsend ,&nbsp;Maria M. Seron","doi":"10.1016/j.ifacol.2025.09.569","DOIUrl":"10.1016/j.ifacol.2025.09.569","url":null,"abstract":"<div><div>We have previously demonstrated that a switched affine system is stabilisable independently of the initial condition, i.e. there exists an asymptotically stabilising switching function which is the same for all initial conditions, if and only if there exists a stable convex combination of the sub-system matrices. This result was proven by constructing a stabilising switching function of unbounded switching frequency. The current paper proves that there exists a switching function with bounded switching frequency which stabilises a switched affine system independent of its initial condition.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 12","pages":"Pages 67-72"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145242499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Equivalence between attractivity and asymptotic stability for continuous 2D linear Roesser models 二维连续线性Roesser模型的吸引性与渐近稳定性的等价性
IFAC-PapersOnLine Pub Date : 2025-01-01 DOI: 10.1016/j.ifacol.2025.09.583
O. Bachelier , T. Cluzeau , Q. Helman , F.J. Silva Alvarez , N. Yeganefar
{"title":"Equivalence between attractivity and asymptotic stability for continuous 2D linear Roesser models","authors":"O. Bachelier ,&nbsp;T. Cluzeau ,&nbsp;Q. Helman ,&nbsp;F.J. Silva Alvarez ,&nbsp;N. Yeganefar","doi":"10.1016/j.ifacol.2025.09.583","DOIUrl":"10.1016/j.ifacol.2025.09.583","url":null,"abstract":"<div><div>In this note, we show that an attractive equilibrium point of a continuous linear 2D Roesser system is asymptotically stable. The proof is strongly based on a technical result providing local bounds for the trajectory in terms of boundary conditions.</div></div>","PeriodicalId":37894,"journal":{"name":"IFAC-PapersOnLine","volume":"59 12","pages":"Pages 150-153"},"PeriodicalIF":0.0,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145242510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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