Business Commons^™

Conditional Lot Splitting To Avoid Setups While Reducing Flow Time, Jacob V. Simons, Mark E. Kraus, Willis Mwangola, Gerard Burke

Department of Logistics & Supply Chain Management Faculty Publications

Previous research has clearly and consistently shown that flow time advantages accrue from splitting production lots into smaller transfer batches or sub-lots. Less extensively discussed, and certainly undesired, is the fact that lot splitting may dramatically increase the number of setups required, making it impractical in some settings. This paper describes and demonstrates a primary cause of these “extra” setups. It then proposes and evaluates decision rules which selectively invoke lot splitting in an attempt to avoid extra setups. For the closed job shop environment tested, our results indicate that conditional logic can achieve a substantial portion of lot splitting’s …

Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Pension Accounting And Reporting With Other Comprehensive Income And Deferred Taxes: A Worksheet Approach, Robert E. Jackson, L. Dwight Sneathen, Timothy R. Veal

School of Accountancy Faculty Research and Publications

This instructional tool presents pension accounting using a worksheet approach where debits equal credits for both the employer and for the plan. Transactions associated with the initiation of the plan through the end of the second year of the plan are presented, including their impact on accumulated other comprehensive income and deferred taxes. This article is intended as a supplemental teaching tool that demonstrates the impact of a plans funded status on the employers financial statements in a way that, based upon anecdotal evidence, accounting students and practitioners have found extremely beneficial beyond traditional accounting textbooks.

Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Theresource, Georgia Southern University

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Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Theresource, Georgia Southern University

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Smarter Teamwork: System For Management, Assessment, Research, Training, Education, And Remediation For Teamwork, Matthew W. Ohland, Misty L. Loughry, Eduardo Salas, David Jonathan Woehr, Richard A. Layton, Hal R. Pomeranz, Wendy L. Bedwell, Rebecca Lyons, Daniel Michael Ferguson, Kyle Heyne, Tripp Driskell

Department of Management Faculty Publications

SMARTER Teamwork: System for Management, Assessment, Research, Training, Education, and Remediation for Teamwork. The rapid adoption of Team-Maker and the Comprehensive Assessment of Team Member Effectiveness (CATME), tools for team formation and peer evaluation, make it possible to extend their success to have a significant impact on the development of team skills in higher education. The web-based systems are used by 1600 faculty at 400 institutions internationally –the figure below shows the growth of the user base. 1600 The system has had 72,459 unique student users. 1400 Fitted curves are second order. 1200 Faculty and staff 1000 Number 800 of …

Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

The Effect Of Bank Activity Restriction On Life Insurers’ Efficiency: Evidence From European Markets, Rongrong Zhang

Finance and Economics Faculty Publications

This paper examines the relation between bank entry restrictions into insurance operations and life insurers’ operating efficiency for a sample of 21 European countries over 1995-2003. Controlling for insurance market penetration, insurance risk retention, legal environment, and the economic development of the hosting country, we document that insurers operate more efficiently in markets with lower bank entry restrictions. Our results suggest that financial deregulation has positive spill-over effect, supporting the deregulation efforts in the global financial markets.

Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Theresource, Georgia Southern University

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Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Staff Council Meeting Minutes, Georgia Southern University, Staff Council

Staff Council Meeting Agenda and Minutes

No abstract provided.

Theresource, Georgia Southern University

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A Yard Crane Scheduling Problem With Practical Constraints, Amin Hossein Gharehgozli, Yugang Yu, Rene De Koster, Gilbert Laporte

12th IMHRC Proceedings (Gardanne, France – 2012)

The problem considered in this paper is to locate storage containers while a set of container storage and retrieval requests are sequenced. Two automated cranes stack and retrieve containers in a single block of a yard. The cranes cannot pass each other and must be separated by a safety distance. Storage containers are initially located at the seaside and land side input/output (I/O) points of the block. Each must be stacked in a specific location of the block, selected from a set of open locations suitable for stacking the storage container. Retrieval containers are initially located in the block and …

Knowledge-Based Methods For Efficient Material Handling Equipment Development, Dirk Jodin, Christian Landschützer

12th IMHRC Proceedings (Gardanne, France – 2012)

This paper focuses on the Knowledge-based engineering (KBE) method and general Knowledge-based technologies for automated design of material handling products. As in vehicle and aerospace engineering this is a widespread technology, the authors try to introduce the main benefits of KBE for the material handling equipment design. The benefits of KBE, as faster and more accurate (safer) product development, customized products and knowledge of employees captured within a knowledge management system, let KBE hold many promising possibilities within, to deal with nowadays demands on engineering development, driven by cost reductions and time shortcuttings. The authors introduce the actual stage of …

Hybrid Heuristics For Infinite Period Inventory Routing Problem, Ronald Askin, Mingjun Xia

12th IMHRC Proceedings (Gardanne, France – 2012)

In this paper, we address a one-to-many distribution network inventory routing problem over an infinite planning horizon. Each retailer has an independent, random demand, and the distribution center uses capacitated vehicles for routing delivery. The demand at each retailer is relatively small compared to the vehicle capacity. A novel mathematical model is given to simultaneously decide the optimal routing tours to retailers and routing frequencies of each route. Several heuristics are developed to solve large scale instances of the problem.

A High-Density, Puzzle-Based Order Picking System, Kevin R. Gue, Onur Uludag

12th IMHRC Proceedings (Gardanne, France – 2012)

We present a new semi-automated system for carton and piece picking operations in the distribution centers. The system features decentralized control based on a message-passing protocol in which cells communicate with their neighbors to determine action in each step. The result is a dynamically changing pick face that provides high sku density and reduced worker travel. We describe an example in which pickers are 20% to 50% more productive than they would be in an equivalent ow rack system.

Impact Of Rotated Aisles On Travel Distance In Manufacturing Facilities, Dale Masel, Samantha Hedges

12th IMHRC Proceedings (Gardanne, France – 2012)

To design a facility, expected flows between the resources is one of the most important input. Flows are usually calculated given some statistics of previous periods or from the expected demand and the process required. However, in a refurbishing and recycling facility, flows are very fluctuating and not trivial to predict. The quantity produced by such facility not only depends on the demand but also on the supplies which are returned products under guaranty or discarded products after their end-of-use. The uncertainty and the variability on these supplies are often higher than the one on the demand which makes it …

Performance Trade-Offs In Layouts For Relief Centers, Ananth Krishnamurthy, Sanket Bhat, Debjit Roy

12th IMHRC Proceedings (Gardanne, France – 2012)

At a disaster affected region, relief centers distribute critical supplies and aid to the affected victims. Unlike traditional distribution centers, relief centers experience significant ‘crowd effects’ due to the sudden influx of victims in a confined space. Using knowledge from studies on pedestrian traffic flow, specialized state dependent queuing models are developed to model the flow of victims along the walkways setup at a relief center. The underlying queuing network model is analyzed to derive expressions for the average times that victims experience before they receive the service at the relief center. The research shows that crowd density effects lead …

An Extended Double Row Layout Problem, Chase C. Murray, Xingquan Zuo, Alice E. Smith

12th IMHRC Proceedings (Gardanne, France – 2012)

The double row layout problem (DRLP) seeks to determine optimal machine locations on either side of an aisle, where the objective has been defined as the minimization of material ow cost among ma- chines while meeting machine clearance constraints. In this paper, we extend existing DRLP formulations in two respects. First, we consider the minimization of layout area besides the usual material ow cost objective. Second, we present a mixed integer linear programming formulation that permits non-zero aisle widths. This new formulation also includes new constraints that eliminate layout \mirroring," thus reducing the solution space significantly and thus solution times. …

Functional Design Of Physical Internet Facilities: A Road-Based Transit Center, Russell D. Meller, Benoit Montreuil, Collin Thivierge, Zachary Montreuil

12th IMHRC Proceedings (Gardanne, France – 2012)

In their 2010 IMHRC paper, Montreuil, Meller and Ballot proposed a set of facility types that would be necessary to operate a Physical Internet, which they termed “π-nodes.” This paper is part of a three-paper series for the 2012 IMHRC where the authors provide functional designs of three PI facilities. This paper covers a road-based transit center, or road-based π- transit. The mission of a π-transit node is to enable the transfer of π - carriers from their inbound to outbound destinations. Therefore, a road based π-transit provides a mechanism to transfer π-trailers from one truck to another. The objective …

Dynamic Slotting Optimization Based On Skus Correlations In A Zone-Based Wave-Picking System, Li Yingde, Jeffery S. Smith

12th IMHRC Proceedings (Gardanne, France – 2012)

Many exiting slotting methods ignore the picking correlations between Stock Keeping Units (SKUs). In a previous paper, a mix integer program model for dynamic slotting to minimize the pick-wave makespan among all zones under some load balancing constraints was developed. In this paper, we develop an ant colony optimization with slot-exchange policy (ACO-SE) based on SKU correlation to assign the correlated SKUs to the adjacent slots in the same zone. The ACO-SE deposits pheromones between SKUs, uses local and global pheromone trail updates, and controls pheromone accumulation using the Max-Min rule. The main heuristic information is set to the correlation …

Zero Tolerance Or Zero Rationality, John Leaptrott, J. Michael Mcdonald, Jerry W. Wilson

Department of Management Faculty Publications

The primary subject matter of this case concerns organizational culture and conflict management. Secondary issues examined include ethics, human resource management, organizational theory and strategy. The case has a difficulty level appropriate for upper division and graduate business students. The case is designed to be taught in one to two class hours and is expected to require two to four hours of outside preparation by students. Zero tolerance policies, while still on the rise in many institutions in this country (most prominently in U.S. school systems), are increasingly being challenged in courts at various levels. Two of the most common …

An Mip Approach To The U-Line Balancing Problem With Proportional Worker Throughput, Reyhan Erin, Andres L. Carrano, Moises Sudit

12th IMHRC Proceedings (Gardanne, France – 2012)

One of the major challenges faced by manufacturing companies is to remain competitive in dynamic environments, where fluctuations in customer demand and production rates require systems capable of adapting in a practical and economical way. A U-shaped production cell is considered one of the most flexible designs for adapting the workforce level to varying conditions. However, re-balancing efforts are time consuming and often require a new work allocation and line design. In this paper, a two-stage MIP model to determine the best cell design under varying workforce levels is proposed. The model seeks to maintain proportionality between throughput and the …

Refurburshing And Recycling Facilities Design Methodology, Suzanne Marcotte, Benoit Montreuil

12th IMHRC Proceedings (Gardanne, France – 2012)

To design a facility, expected flows between the resources is one of the most important input. Flows are usually calculated given some statistics of previous periods or from the expected demand and the process required. However, in a refurbishing and recycling facility, flows are very fluctuating and not trivial to predict. The quantity produced by such facility not only depends on the demand but also on the supplies which are returned products under guaranty or discarded products after their end-of-use. The uncertainty and the variability on these supplies are often higher than the one on the demand which makes it …

Modeling The Inventory Requirement And Throughput Performance Of Picking Machine Order-Fulfillment Technology, Jennifer A. Pazour, Russell D. Meller

12th IMHRC Proceedings (Gardanne, France – 2012)

Picking machines, also known as remote-order-picking systems, are an example of a stock-to-picker piece-level order-fulfillment technology that consists of two or more pick stations and a common storage area. An integrated closed-loop conveyor decouples the pick stations from the storage area by transporting the needed totes to and from the storage area and the pick stations. We develop a probabilistic model capable of quantifying the inventory differences between order-fulfillment technologies that pool inventory with technologies that do not pool inventory. To determine the throughput of a picking machine, we develop a methodology that incorporates existing analytical models for the picking …

An Object Oriented And Axiomatic Theory Of Warehouse Design, Leon F. Mcginnis

12th IMHRC Proceedings (Gardanne, France – 2012)

Despite the conceptual simplicity of warehousing, the development of integrated computational tools for warehouse design has remained an elusive goal. In recent years, there has been some progress toward this goal, with a growing body of research addressing topics as diverse as the design process itself, decision support for specific design decisions, warehouse representation, integrating warehouse representation and analysis, and conceptual approaches for developing integrated warehouse design tool chains. Until now, however, there has not been a suitable warehouse design theory that would provide an integrating framework for all these disparate efforts. This paper presents an object-oriented and axiomatic warehouse …