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Articles 31 - 60 of 164
Full-Text Articles in Operations and Supply Chain Management
Optimization Of Costs And Service Level By Choosing The Best Customer Order Decoupling Point, Michael Schmidt, Detlef Spee
Optimization Of Costs And Service Level By Choosing The Best Customer Order Decoupling Point, Michael Schmidt, Detlef Spee
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
The customer order decoupling point (CODP) as the link in the supply chain between processes based on uncertain information, such as sales forecasts, and certain information in the form of customer orders is crucial for production efficiency, storage costs, and the quality of logistics. This paper focuses on developing an approach for identifying a CODP that provides the highest potential for achieving business objectives. Within the context of the above-mentioned topics, this paper focuses on the interrelations and the tradeoffs that have to be made when positioning the COPD. The goal of the paper is to present an effective and …
Distribution Planning Considering Warehousing Decisions, Pratik J. Parikh, Xinhui Zhang, Bhanuteja Sainathuni
Distribution Planning Considering Warehousing Decisions, Pratik J. Parikh, Xinhui Zhang, Bhanuteja Sainathuni
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Modern supply chains heavily depend on warehouses for rapidly fulfilling customer demands through retail, web-based, and catalogue channels. The traditional approach that considers warehouses as cost-centers has affected the profitability of numerous supply chains. A lack of synchronization between procurement and allocation decisions causes warehouses to scramble for resources during peak times and be faced with under-utilized resources during drought times. Warehouses, however, have emerged as service-centers and it is imperative that warehousing decisions be an integral part of supply chain decisions. In this paper we propose a mixed-integer programming model to integrate warehousing decisions with those of inventory and …
Gains In The Life-Cycle Of Adaptable, Self-Organizing Material Handling Systems, Jan R. Nopper, Guido Follert, Michael Ten Hompel
Gains In The Life-Cycle Of Adaptable, Self-Organizing Material Handling Systems, Jan R. Nopper, Guido Follert, Michael Ten Hompel
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Compared to conventional material flow controls, self-organized material handling systems and the Internet of Things in facility logistics promise several advantages during the life-cycle. Most important is the increased adaptability in case of expansions or modifications due to a consistent modular design; this also promotes an increased robustness due to clearly defined interfaces and a decreased complexity of each module. The use of RFID technology increases the availability of real-time data about the system and the transported units. However, the introduction of self-organized material handling systems also causes costs, e.g. for necessary RFID tags and readers. Against this background, it …
Determining Warehouse Storage Location Assignments Using Clustering Analysis, Carl Egas, Dale Masel
Determining Warehouse Storage Location Assignments Using Clustering Analysis, Carl Egas, Dale Masel
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
The methodology used to assign products to a storage location in a warehouse can have a significant impact on the amount of time required to retrieve all of the items needed to fill an order. This paper describes a methodology that uses a clustering approach to determine storage assignments, where the metric of the strength of the relationship between two stock-keeping units (SKUs) is the number of times that the SKUs appear in the same order. Clustering is performed to maximize the frequency with which SKUs in the same cluster are ordered together. In testing, the clustering assignments were compared …
Using Data Envelopment Analysis To Evaluate The Performance Of Third Party Distribution Centers, Ching-Jung Ting, Hsueh-Lin Fang
Using Data Envelopment Analysis To Evaluate The Performance Of Third Party Distribution Centers, Ching-Jung Ting, Hsueh-Lin Fang
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
There has been considerable interest worldwide in last few years in the growth of third party logistics (3PL) providers. 3PL distribution center (DC) enables firms to achieve reduced operating costs, increased revenues, and to focus on their core competence. This research aims to find the key performance indicators through a survey of a set of DCs and then evaluate their efficiency over the period 2005-2007 using data envelopment analysis (DEA) models based on selected performance indicators as inputs and outputs. Three inputs and two outputs for all DCs from the surveyed performance indicators were selected in this study. DEA is …
Freight Sequencing To Improve Hub Operations In The Less-Than-Truckload Freight Transportation Industry, Xiangshang Tong, Kimberly Ellis, Amy Brown Greer
Freight Sequencing To Improve Hub Operations In The Less-Than-Truckload Freight Transportation Industry, Xiangshang Tong, Kimberly Ellis, Amy Brown Greer
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
In less-than-truckload freight transportation, hub operations affect the service levels that carriers are able to provide their customers. This paper focuses on improving the efficiency of hub operations by reducing freight handling time and cost. Specifically, the freight sequencing problem (FSP) is investigated to determine the freight unloading and loading sequence that minimizes the time for dock workers to transfer shipments from origin trailers to destination trailers. The FSP is modeled as a Rural Postman Problem (RPP) and three algorithms are compared: trailer-at-atime, nearest neighbor, and balance-and-connect. Using five industrial data sets, the results demonstrate the effectiveness, advantages, and disadvantages …
Analysis Of Picker Blocking In Narrow-Aisle Batch Picking, Soondo Hong, Andrew L. Johnson, Brett A. Peters
Analysis Of Picker Blocking In Narrow-Aisle Batch Picking, Soondo Hong, Andrew L. Johnson, Brett A. Peters
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
This study analyzes impacts by batch picking on picker blocking in narrow-aisle order picking, and determines appropriate batch formations for a better order picking throughput. We present multiple-pick analytical models to offer insights about picker blocking in batch picking. Several simulation studies over a variety of batching situations scrutinize order batching situations which give throughput benefits in narrow-aisle configurations by satisfying the analytical results. Our results highlight three findings for narrow-aisle batch picking processes: 1) variation of pick probability in batch picking is inevitable and is a primary driver of picker blocking; 2) a near-optimal distance-based batching algorithm can experience …
Towards A Physical Internet: The Impact On Logistics Facilities And Material Handling Systems Design And Innovation, Benoit Montreuil, Russell D. Meller, Eric Ballot
Towards A Physical Internet: The Impact On Logistics Facilities And Material Handling Systems Design And Innovation, Benoit Montreuil, Russell D. Meller, Eric Ballot
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Aiming for a radical sustainability improvement, the Physical Internet has the potential of revolutionizing the fields of material handling, logistics, transportation and facilities design. It exploits the enabling concept of standardized, modular and smart containers as well as the universal interconnectivity of logistics networks and services. Its underlying paradigm shift creates a tremendous breakthrough innovation opportunity for the material handling and facility logistics community in terms of equipment, systems and facility design and operation. This paper provides a primer overview of a key subset of the physical elements serving as the foundation of the Physical Internet infrastructure, classified in three …
Multiple-Grooved Magnetic Traction Sheaves, Thorsten Schmidt, Thomas Leonhardt, Martin Anders
Multiple-Grooved Magnetic Traction Sheaves, Thorsten Schmidt, Thomas Leonhardt, Martin Anders
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
This paper discusses a new and innovative form of traction sheaves, which can be used in many hoisting applications that are driven with wire ropes in material handling systems. By use of high performance permanent magnets, integrated in the periphery of traction sheaves, a significant increase of driving capacity is achieved. In this special case it concerns high energy magnets consisting of rare earth materials known as NdFeB magnets. These magnets provide a 20 times higher force than conventional magnets. The results of the research show that the driving capacity of traction sheaves with a round groove design can be …
Design Of Cross-Chain Internet Order Fulfillment Centres, Kees Jan Roodbergen, Iris F. A. Vis, Jaap Boter
Design Of Cross-Chain Internet Order Fulfillment Centres, Kees Jan Roodbergen, Iris F. A. Vis, Jaap Boter
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Many consumers have embraced the option of ordering via the Internet, which has resulted in an enormous increase in direct orders compared to the times when direct ordering was done by catalogue and phone. The fulfillment process in the supply chain is an important factor for these consumers impacting how long they must wait between ordering and delivery. This fact has significantly increased the importance of the back-end fulfillment process. We present a novel supply chain design to enable cross-chain coordination of order fulfillment operations for internet sales. Shared warehousing facilities are used more and more to achieve competitive advantage. …
Class-Based Storage With A Finite Number Of Items, Yugang Yu, René B.M. De Koster
Class-Based Storage With A Finite Number Of Items, Yugang Yu, René B.M. De Koster
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
ABC class-based storage is widely studied in literature and applied practice. It divides all stored items into a limited number of classes according to their demand rates (turnover per unit time). Classes of items with higher turnovers are stored in a region closer to the warehouse depot. In literature, it is commonly shown that the use of more storage classes leads to shorter travel time for storing and retrieving items. A basic assumption in this literature commonly is that the required storage space of items equals their average inventory levels, which is right if an infinite number of items are …
Designing Automated Warehouses By Minimising Investment Cost Using Genetic Algorithms, Tone Lerher, Iztok Potrc, Matjaz Sraml
Designing Automated Warehouses By Minimising Investment Cost Using Genetic Algorithms, Tone Lerher, Iztok Potrc, Matjaz Sraml
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
The successful performance of the automated storage and retrieval systems is dependent upon the appropriate design and optimization process. In the present work a comprehensive model of designing automated storage and retrieval system for the single- and multi-aisle systems is presented. Because of the required conditions that the automated storage and retrieval systems should be technically highly efficient and that it should be designed on reasonable expenses, the objective function represents minimum total cost. The objective function combines elements of layout, time-dependent part, the initial investment and the operational costs. Due to the nonlinear, multi-variable and discrete shape of the …
Drive And Motion Design In Material Handling Equipment, Jorg Oser, Christian Landschutzer
Drive And Motion Design In Material Handling Equipment, Jorg Oser, Christian Landschutzer
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Drives account in many cases up to one third of the costs of material handling equipment. This fact justifies a closer look to important drive and motion issues. Typical design criteria for drives are energy and power consumption, wear, heat and noise generation. Engineering design activities start with the generation of the system configuration, that is to make appropriate topological decisions where to locate the drives in the equipment structure. These decisions define to a great extent the functional quality of the mechanical structure and the distribution of forces in the power train. For early design stages an elasto-kinetic model …
Determination Of Operational Parameters For An Efficient Container Service In The Port Of Guaymas, Cesar Meneses, J. René Villalobos
Determination Of Operational Parameters For An Efficient Container Service In The Port Of Guaymas, Cesar Meneses, J. René Villalobos
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
The port of Guaymas is located in Sea of Cortez in the Northern Pacific Coast of Mexico. Its hinterland is basically the Northwestern region of Mexico and the Southwestern United States. The Port currently focuses on bulk and liquid cargo and does not provide container services. In this paper, we explore some of the characteristics that a container service should have to be competitive in servicing the needs of the regional industry. Since the study deals with port selection decision from the industry’s point of view, we introduce a port selection model based on a Total Landed Cost (TLC) metric. …
Tls Newsletter Volume 4, Edition 1. September, 2010., Unf Transportation And Logistics Society
Tls Newsletter Volume 4, Edition 1. September, 2010., Unf Transportation And Logistics Society
Transportation & Logistics Society Newsletter
In the newsletter: In the Know--Transportation & Logistics Fall Career Day. First TLS General Meeting of the semester September 15th. Life after graduation with Eric Bateh. Important Upcoming Dates. Get to Know TLS President Cole Norton
Monitoring Inventory Accuracy With Statistical Process Control, Kyle Huschka, John R. English, Todd Easton, Andrew Huschka
Monitoring Inventory Accuracy With Statistical Process Control, Kyle Huschka, John R. English, Todd Easton, Andrew Huschka
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Inventory accuracy is critical in most industrial environments such as distribution, warehousing, and retail. Many companies use a technique called cycle counting and have realized outstanding results in monitoring and improving inventory accuracy. The time and resources to complete cycle counting are sometimes limited or not available. In this work, we promote statistical process control (SPC) to monitor inventory accuracy. Specifically, we model the complex underlying environments with mixture distributions to demonstrate sampling from a mixed but stationary process. For our particular application, we concern ourselves with data that result from inventory adjustments at the stock keeping unit (SKU) level …
A Real-Time Picking And Sorting System In E-Commerce Distribution Centers, Yeming Gong, Erik M. M. Winands, Rene B. M. De Koster
A Real-Time Picking And Sorting System In E-Commerce Distribution Centers, Yeming Gong, Erik M. M. Winands, Rene B. M. De Koster
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
Order fulfillment is the most expensive and critical operation for companies engaged in e-commerce. E-commerce distribution centers must rapidly organize the picking and sorting processes during and after the transaction has taken place, with the ongoing need to create greater responsiveness to customers. Sorting brings a relatively large setup time, which cannot be well admitted by existing polling models. We build a new stochastic polling model to describe and analyze such systems, and provide approximate explicit expressions for the complete distribution of order line waiting time for polling-based order picking systems and test their accuracy. These expressions lend themselves for …
Investigating Possible Synergies In Intermodal Operations With Truck And Rail, G. Don Taylor, Mia K. Burns, Gary L. Whicker
Investigating Possible Synergies In Intermodal Operations With Truck And Rail, G. Don Taylor, Mia K. Burns, Gary L. Whicker
11th IMHRC Proceedings (Milwaukee, Wisconsin. USA – 2010)
As the trucking industry continues to examine ways to provide better service at lower cost, many companies are more heavily utilizing intermodal (IM) strategies between truck and rail, especially for those loads that are relatively non-critical in terms of delivery time requirements and that have longer lengths of haul. As IM business grows, supporting dray infrastructure naturally develops around IM rail yards. What is unknown is whether it is best to have a dedicated set of drivers performing dray operations or if efficiency and cost savings can result when utilizing a joint driving fleet to concurrently support IM and traditionally …
Choosing Management Information Systems As A Major: Understanding The Smifactors For Mis, Thomas W. Ferratt, Stephen R. Hall, Jayesh Prasad, Donald E. Wynn
Choosing Management Information Systems As A Major: Understanding The Smifactors For Mis, Thomas W. Ferratt, Stephen R. Hall, Jayesh Prasad, Donald E. Wynn
MIS/OM/DS Faculty Publications
Given declining management information systems (MIS) enrollments at our university, we seek to understand our students‘ selection of a major. Prior studies have found that students choose a major based on a number of factors, with subject matter interest consistently being most important. We contribute to the literature by developing a deeper understanding of what is meant by subject matter interest, which we refer to as smiFactors, for MIS as a major and career. Based on a qualitative analysis of open-ended survey questions completed by undergraduate business students, we confirm a number of smiFactors for MIS gleaned from recent studies …
Study On Optimization Of Container Stowage Based On Pre-Stowage Operation, Fei Gu
Study On Optimization Of Container Stowage Based On Pre-Stowage Operation, Fei Gu
World Maritime University Dissertations
No abstract provided.
The Study Of Routes Selection In Intermodal Transportation, Qian Liu
The Study Of Routes Selection In Intermodal Transportation, Qian Liu
World Maritime University Dissertations
No abstract provided.
The Research On Site Selection Of Dry Port Cluster Of Shanghai Port, Zhen Chen
The Research On Site Selection Of Dry Port Cluster Of Shanghai Port, Zhen Chen
World Maritime University Dissertations
No abstract provided.
Reasonable Number Of Issuing Original Bill Of Lading, Zhongming Ren
Reasonable Number Of Issuing Original Bill Of Lading, Zhongming Ren
World Maritime University Dissertations
No abstract provided.
The Research On The Feasibility Of N Company's Chinese Ports Investment Project, Junhua Shen
The Research On The Feasibility Of N Company's Chinese Ports Investment Project, Junhua Shen
World Maritime University Dissertations
No abstract provided.
Case Study Of Cold Chain Logistics Business Of Third Party Logistics Company, Han Bao
Case Study Of Cold Chain Logistics Business Of Third Party Logistics Company, Han Bao
World Maritime University Dissertations
No abstract provided.
Research On The Competitiveness Of China Hn Chemical Shipping Company, Yue Luan
Research On The Competitiveness Of China Hn Chemical Shipping Company, Yue Luan
World Maritime University Dissertations
No abstract provided.
Research On Distribution Program Of Food Cold-Chain Logistics In Bright Speed Fresh Logistics Company, Zexin Xu
World Maritime University Dissertations
No abstract provided.
Efficiency Analysis Of Trans-Border Goods Traffic Along Nigeria-Niger Border : A Case Study Of Jibia Post Katsina State, Usaini Sani Adamu
Efficiency Analysis Of Trans-Border Goods Traffic Along Nigeria-Niger Border : A Case Study Of Jibia Post Katsina State, Usaini Sani Adamu
World Maritime University Dissertations
No abstract provided.
Study Of Port-City Spatial Relationship In Shanghai, Juanwen Cai
Study Of Port-City Spatial Relationship In Shanghai, Juanwen Cai
World Maritime University Dissertations
No abstract provided.
A Research Of Logistics Company's Warehouse Cost Reduction And Optimization Design, Sisi Hu
A Research Of Logistics Company's Warehouse Cost Reduction And Optimization Design, Sisi Hu
World Maritime University Dissertations
No abstract provided.