Open Access. Powered by Scholars. Published by Universities.®

Operations Research, Systems Engineering and Industrial Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

2001

Discipline
Institution
Keyword
Publication
Publication Type

Articles 31 - 60 of 75

Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering

Acuta Enews May 2001, Vol.30, No. 5 May 2001

Acuta Enews May 2001, Vol.30, No. 5

ACUTA Newsletters

ACUTA Leadership Awards

Assigned to EDUCASUE

DC Update

Overheard on the Listserve: LECs, CLECs, and Resale

Board Report

Welcome New Members

Positions Available


The Impact Of Surface Errors On The Location And Orientation Of A Cylindrical Workpiece In A Fixture, Supapan Sangnui, Frank E. Peters May 2001

The Impact Of Surface Errors On The Location And Orientation Of A Cylindrical Workpiece In A Fixture, Supapan Sangnui, Frank E. Peters

Industrial and Manufacturing Systems Engineering Publications

Surface error at the contact region is one factor that contributes to the displacement of the workpiece in a fixture. This work employs the Newton-Raphson technique to develop a mathematical model that predicts the impact of surface errors on the location and orientation of a cylindrical workpiece. Model validation and measurement analysis were conducted to verify the proposed mathematical model. An experimental fixture and workpiece were developed to simulate the effect of surface errors on the placement of a workpiece. The study showed that the numerical model is reliable in predicting the behavior of the workpiece.


Acuta Enews April 2001, Vol.30, No. 4 Apr 2001

Acuta Enews April 2001, Vol.30, No. 4

ACUTA Newsletters

International Rates Increasing

Guide to Developing Online Students Services

DC Update

Detariffing International Service

VIPs Visit Carnegie-Mellon

Board Report

Welcome New Members

Positions Available


Maximum Acceptable Oral Reading Speed For Voice Input Systems, Nirari M. Oda Apr 2001

Maximum Acceptable Oral Reading Speed For Voice Input Systems, Nirari M. Oda

Master's Theses

The objective of this thesis was to study the effect of vocal duration period and background noise on psychophysical oral reading speed. Ten healthy white males (21-28 years old) were used as subjects. Experiment one was designed to determine Maximum Acceptable Oral Reading Speed (MAORS) for an 8-hour period using psychophysical methodology. Results indicate that 114 words/min was an acceptable oral reading rate for an 8-hour day. Furthermore, 2 hours and 20 minutes is an acceptable testing period ( equivalent to the 8-hour day). Acoustical and physiological variables support these findings. Experiment two was designed to study the effect of ...


Study Of Automotive Hydromount Mechanism, Min Lu Apr 2001

Study Of Automotive Hydromount Mechanism, Min Lu

Dissertations

The hydromount mechanism is studied. It was determined that the dynamic characteristics of the hydromounts are related to the rubber static stiffness, rubber damping coefficient, volumetric stiffness, and effectiveness of the oscillating fluid in the inertia track. At high frequencies the motion of the fluid in the inertia track diminishes so that its effect is negligible and may be ignored. It is also concluded that the rubber damping has a minimal effect on the hydromount dynamic properties and may be neglected. The maximum loss angle, which corresponds to the maximum damping coefficient of the hydromount, occurs near the inertia track ...


Acuta Enews March 2001, Vol.30, No. 3 Mar 2001

Acuta Enews March 2001, Vol.30, No. 3

ACUTA Newsletters

ACUTA Resource Library Is Growing

Spotlight on Volunteers

DC Update

Kent State Wins Network World Award

Overheard on the Listserve: Who Owns the Cable?

High Tech Short Takes

Welcome New Members

Positions Available


Maglev Vs. High Speed Rail: The Debate, Vukan R. Vuchic Mar 2001

Maglev Vs. High Speed Rail: The Debate, Vukan R. Vuchic

Departmental Papers (ESE)

February I 6, 2001 issue "The Urban Transportation Monitor" published a summary of Professor Vukan Vuchic's critical review of the decision by the US. Department of Transportation to select maglev as a High Speed Ground Transportation mode as well as to select the Washington D.C.-Baltimore corridor as one of two locations to develop a pilot project to test maglev technology. Phyllis M Wilkins, Executive Director of Maglev Maryland, in conjunction with the Maryland Mass Transportation Administration, prepared a response to Dr. Vuchic 's article. The "Urban Transportation Monitor" asked Dr. Vuchic to provide a rebuttal. Ms. Wilkins ...


Acuta Enews February 2001, Vol.30, No. 2 Feb 2001

Acuta Enews February 2001, Vol.30, No. 2

ACUTA Newsletters

In This Issue

Nominations Sought for Board of Directors

Spotlight on Volunteers

DC Update

A Portal Primer

Cellular Phones for Residence Halls?

Board Report

Welcome New Members

Positions Available


Fulfilling The Bargain: How The Science Of Ergonomics Can Inform The Laws Of Workers’ Compensation, Jason M. Solomon Jan 2001

Fulfilling The Bargain: How The Science Of Ergonomics Can Inform The Laws Of Workers’ Compensation, Jason M. Solomon

Faculty Publications

In the last decade, cumulative trauma disorders have become a significant percentage of reported workplace injuries and litigated workers'compensation claims. Arising from the accumulated impact of daily work activities on the body, these injuries do not fall neatly within "disease" categories which comprise workers' compensation laws. As a result, courts and legislatures have struggled to properly evaluate workers' compensation claims for these injuries. This Note looks at the legal treatment of cumulative trauma injuries in light of the "original bargain" of workers' compensation, where workers give up a tort remedy against their employers in exchange for guaranteed, but limited ...


Entrance Capacity Of An Automated Highway System, Randolph W. Hall, Ali Nowroozi, Jacob Tsao Jan 2001

Entrance Capacity Of An Automated Highway System, Randolph W. Hall, Ali Nowroozi, Jacob Tsao

Faculty Publications

This paper evaluates the entrance capacity and queueing delay for Automated Highway Systems through use of simulations and analytical modeling. Queueing statistics are also used to determine the sustainable capacity of alternative concepts, taking trip length distribution and spacing between ramps into consideration. Based on safety-spacing headways (produced in a separate analysis), the most promising concept utilizes platoons both on the highway and on on-ramps. However, it is unclear whether comparable capacity can be achieved on exit, when vehicles must be decoupled from their platoons, and whether it is safe for vehicles to enter the highway in closely spaced platoons ...


A Process Theory Of Competency Rallying In Engineering Projects, Bernhard R. Katzy, Kevin Crowston Jan 2001

A Process Theory Of Competency Rallying In Engineering Projects, Bernhard R. Katzy, Kevin Crowston

School of Information Studies - Faculty Scholarship

Firms face an environment changing at an increasingly rapid pace. Market opportunities in particular can arise and disappear in a short time. Unfortunately, the speed with which organizations can adapt their strategies and competencies to meet these opportunities remains limited. We argue that firms can address these individual limitations by cooperating with others for access to market opportunities and needed competencies. In this paper, we present a process theory of how a network of firms can reliably engineering and deliver products in the face of rapid market changes. In this theory, the success of the network is predicated on 1 ...


A K-Out-Of-N Reliability System With An Unreliable Server And Phase Type Repairs And Services: The (N, T) Policy, Srinivas R. Chakravarthy, Achyutha Krishnamoorthy, P. V. Ushakumari Jan 2001

A K-Out-Of-N Reliability System With An Unreliable Server And Phase Type Repairs And Services: The (N, T) Policy, Srinivas R. Chakravarthy, Achyutha Krishnamoorthy, P. V. Ushakumari

Industrial & Manufacturing Engineering Publications

In this paper we study a k-out-of-n reliability system in which a single unreliable server maintains n identical components. The reliability system is studied under the (N,T) policy. An idle server takes a vacation for a random amount of time T and then attends to any failed component waiting in line upon completion of the vacation. The vacationing server is recalled instantaneously upon the failure of the Nth component. The failure times of the components are assumed to follow an exponential distribution. The server is subject to failure with failure times exponentially distributed. Repair times of the component, fixing ...


A Study Of Financial Analysis Expectations And Practices In The Engineering Management Workplace, Paul Kauffmann, Resit Unal, Andres Sousa-Poza, William Peterson Jan 2001

A Study Of Financial Analysis Expectations And Practices In The Engineering Management Workplace, Paul Kauffmann, Resit Unal, Andres Sousa-Poza, William Peterson

Engineering Management & Systems Engineering Faculty Publications

This paper describes an on-going study of Master of Engineering Management (MEM) students and the financial analysis related job expectations and environment they face. The objective of this effort is to provide enhanced understanding of these requirements so that instructional content in the related courses can be focused to meet these needs. To achieve this goal, the study segments findings based on a range of organizational and job level characteristics to identify critical differences in the financial work environment and the financial tools that are employed. Preliminary findings are discussed in this paper and contrasts between public and private sector ...


Senior Design Projects To Aid The Disabled, Janis P. Terpenny, Robert Gao, John Ritter, Donald Fisher, Sundar Krishnamurty Jan 2001

Senior Design Projects To Aid The Disabled, Janis P. Terpenny, Robert Gao, John Ritter, Donald Fisher, Sundar Krishnamurty

Janis P. Terpenny

A new two-semester capstone senior design course sequence in the area of assistive technology has been developed and integrated within the established curriculum of the Department of Mechanical and Industrial Engineering (MIE) at the University of Massachusetts (UMass) Amherst. Entitled “Senior Design Projects to Aid the Disabled,” the capstone sequence includes close collaborations with the Lemelson Assistive Technology Development Center (LATDC) at Hampshire College and Adaptive Design Services (ADS) under the Massachusetts Department of Mental Retardation (DMR). The new design course allows students to work directly with collaborators and disabled clients to solve specific assistive technology design problems. Through these ...


Entrance Capacity Of An Automated Highway System, Randolph W. Hall, Ali Nowroozi, Jacob Tsao Jan 2001

Entrance Capacity Of An Automated Highway System, Randolph W. Hall, Ali Nowroozi, Jacob Tsao

H.-S. Jacob Tsao

This paper evaluates the entrance capacity and queueing delay for Automated Highway Systems through use of simulations and analytical modeling. Queueing statistics are also used to determine the sustainable capacity of alternative concepts, taking trip length distribution and spacing between ramps into consideration. Based on safety-spacing headways (produced in a separate analysis), the most promising concept utilizes platoons both on the highway and on on-ramps. However, it is unclear whether comparable capacity can be achieved on exit, when vehicles must be decoupled from their platoons, and whether it is safe for vehicles to enter the highway in closely spaced platoons ...


The Evolution Of Manufacturing Planning And Control Systems: From Reorder Point To Enterprise Resource Planning., Patrick Rondeau, L. A. Litteral Jan 2001

The Evolution Of Manufacturing Planning And Control Systems: From Reorder Point To Enterprise Resource Planning., Patrick Rondeau, L. A. Litteral

Scholarship and Professional Work - Business

Manufacturing planning and control (MPC) systems have existed since the earliest days of the industrial revolution. To gain a historical perspective, it is useful to look at the evolution of these systems. Five major stages were involved: reorder point (ROP) systems, materials requirement planning (MRP) systems, manufacturing resource planning (MRP-II) systems, MRP-II with manufacturing execution systems (MES), and enterprise resource planning systems (ERP) with MES. When examined in detail, each stage represents the next logical step in manufacturing philosophy and technological innovation over the preceding stage.


Acuta Enews January 2001, Vol.30, No. 1 Jan 2001

Acuta Enews January 2001, Vol.30, No. 1

ACUTA Newsletters

In This Issue

A Few Words for 2001

Spotlight on Volunteers

DC Update

Board Report

Welcome New Members

Positions Available


Guidelines For Using Process Mapping To Aid Improvement Efforts, Paul Savory, John R. Olson Jan 2001

Guidelines For Using Process Mapping To Aid Improvement Efforts, Paul Savory, John R. Olson

Industrial and Management Systems Engineering Faculty Publications

Process mapping is an easy-to-visualize method for people to analyze and agree on the most efficient routes for reengineering or improving a process. It aids in determining redundant tasks, uncovering hidden interactions between processes and people, and focusing on the processes that serve customers, improve quality, and generate income. This paper presents guidelines for using process mapping as an improvement tool. It is based on the authors’ experiences in aiding a variety of healthcare, service, and manufacturing companies.


Combining Activity-Based Costing With The Simulation Of A Cellular Manufacturing System, Paul Savory, Robert Williams, Rodney Rassmuseun Jan 2001

Combining Activity-Based Costing With The Simulation Of A Cellular Manufacturing System, Paul Savory, Robert Williams, Rodney Rassmuseun

Industrial and Management Systems Engineering Faculty Publications

This paper presents an integrated simulation and activity-based management approach for determining the best sequencing scheme for processing a part family through a manufacturing cell. The integration is illustrated on a loop or U-shaped manufacturing cell and a part family consisting of four part types (A, B, C, and D). Production requirements for the cell demand that part batches be processed one type at a time. For example, all part A’s are processed until weekly demand is met, then part B’s, etc. The objective of this example is to determine the best part sequence (e.g., ABCD, DCBA ...


Combining Activity-Based Costing With The Simulation Of A Cellular Manufacturing System, Paul Savory, Robert Williams, Rodney Rassmuseun Jan 2001

Combining Activity-Based Costing With The Simulation Of A Cellular Manufacturing System, Paul Savory, Robert Williams, Rodney Rassmuseun

Industrial and Management Systems Engineering Faculty Publications

Discrete-event simulation is one of the most effective techniques for analyzing a manufacturing system. Unfortunately, little attention is given to using simulation models to estimate the economic impact of a proposed system configuration. This paper defines how activity-based costing (ABC) concepts can be incorporated into a discrete-event simulation model. Special emphasis is on demonstrating how decision making can be aided by having the simulation create a detailed “Bill of Activity” describing costs associated with manufacturing a part. The integration of ABC and simulation is illustrated by evaluating the impact of a proposed manufacturing cell configuration. The additional costing information aids ...


The Effects Of Multitasking On Quality Inspection In Advanced Manufacturing Systems, Jose A. Pesante, Robert C. Williges, Jeffrey C. Woldstad Jan 2001

The Effects Of Multitasking On Quality Inspection In Advanced Manufacturing Systems, Jose A. Pesante, Robert C. Williges, Jeffrey C. Woldstad

Industrial and Management Systems Engineering Faculty Publications

Although the industrial quality inspection task has been extensively studied, the effect of multitasking on the performance of the operator in a hybrid inspection system is still unknown. The experiment described in this article compared the quality inspection performance for participants performing a single task, 3 multiple tasks, and 5 multiple tasks. The results of this research indicate that the performance of the operator in the quality inspection task while multitasking in an advanced manufacturing system will be determined by the interaction between the number of different types of defects that can be presented at the same time in the ...


Setting Contract Levels To Buy And Sell Capacity In The Semiconductor Industry, Robert A. Barbieri Jan 2001

Setting Contract Levels To Buy And Sell Capacity In The Semiconductor Industry, Robert A. Barbieri

Theses and Dissertations

No abstract provided.


Integrated Replacement Analysis And Production Planning, Molly O'Bryne Clarke Jan 2001

Integrated Replacement Analysis And Production Planning, Molly O'Bryne Clarke

Theses and Dissertations

No abstract provided.


A Model To Evaluate The Effect Of Organizational Adaptation, Holly A. H. Handley, Alexander H. Levis Jan 2001

A Model To Evaluate The Effect Of Organizational Adaptation, Holly A. H. Handley, Alexander H. Levis

Engineering Management & Systems Engineering Faculty Publications

When an organization’s output declines due to either internal changes or changes in its external environment, it needs to adapt. In order to evaluate the effectiveness of different adaptation strategies on organizational per- formance, an organizational model composed of individual models of a five stage interacting decision maker was designed using an object oriented design approach and implemented as a Colored Petri net. The concept of entropy is used to calculate the total activity value, a surrogate for decision maker workload, based on the functional partition and the adaptation strategy being implemented. The individual decision maker’s total activity ...


Virtual Classroom For Teaching The Economics Of Engineering Design, Janis P. Terpenny, Kimberly Sward Jan 2001

Virtual Classroom For Teaching The Economics Of Engineering Design, Janis P. Terpenny, Kimberly Sward

Janis P. Terpenny

As decision-makers, engineers must be knowledgeable and competent in multiple aspects of design. Engineering is more than a problem solving activity focusing on simply the expected performance of designed artifacts. Consideration must also be given to the economic consequences of design decisions on life-cycle issues. A major challenge to undergraduate engineering education is to increase student competency in the economic elements that are such a critical part of the engineering process. Many believe that success in this endeavor requires new methods and materials that actively engage students in learning, are more closely aligned with engineering decision-making, and include real-world problems ...


Using A Neuro-Fuzzy-Genetic Data Mining Architecture To Determine A Marketing Strategy In A Charitable Organization's Donor Database, Korakot Hemsathapat, Cihan H. Dagli, David Lee Enke Jan 2001

Using A Neuro-Fuzzy-Genetic Data Mining Architecture To Determine A Marketing Strategy In A Charitable Organization's Donor Database, Korakot Hemsathapat, Cihan H. Dagli, David Lee Enke

Engineering Management and Systems Engineering Faculty Research & Creative Works

This paper describes the use of a neuro-fuzzy-genetic data mining architecture for finding hidden knowledge and modeling the data of the 1997 donation campaign of an American charitable organization. This data was used during the 1998 KDD Cup competition. In the architecture, all input variables are first preprocessed and all continuous variables are fuzzified. Principal component analysis (PCA) is then applied to reduce the dimensions of the input variables in finding combinations of variables, or factors, that describe major trends in the data. The reduced dimensions of the input variables are then used to train probabilistic neural networks (PNN) to ...


Advantages Of Using Fuzzy Class Memberships In Self-Organizing Map And Support Vector Machines, Sunghwan Sohn, Cihan H. Dagli Jan 2001

Advantages Of Using Fuzzy Class Memberships In Self-Organizing Map And Support Vector Machines, Sunghwan Sohn, Cihan H. Dagli

Engineering Management and Systems Engineering Faculty Research & Creative Works

The self-organizing map (SOM) is naturally unsupervised learning, but if a class label is known, it can be used as the classifier. In a SOM classifier, each neuron is assigned a class label based on the maximum class frequency and classified by a nearest neighbor strategy. The drawback when using this strategy is that each pattern is treated by equal importance in counting class frequency regardless of its typicalness. For this reason, the fuzzy class membership can be used instead of crisp class frequency and this fuzzy membership-label neuron provides another perspective of a feature map. This fuzzy class membership ...


Development Programs For One-Shot Systems Using Multiple-State Design Reliability Models , Suntichai Shevasuthisilp Jan 2001

Development Programs For One-Shot Systems Using Multiple-State Design Reliability Models , Suntichai Shevasuthisilp

Retrospective Theses and Dissertations

Design reliability at the beginning of a product development program is typically low and development costs account for a large proportion of the total product cost. Our research focuses on how to conduct "development programs" (series of tests and redesigns) to both achieve high final design reliability and spend as little of a fixed budget as possible on development. Multiple-state reliability models are used. We consider one-shot systems, which are destroyed at first use or during testing. Dynamic programming is used to identify the best test-and-redesign strategy and is shown to presently be computationally feasible for at least 5 state ...


Rapid Prototyping Technologies And Build Time Models, Lisa Armano Jan 2001

Rapid Prototyping Technologies And Build Time Models, Lisa Armano

Theses and Dissertations

No abstract provided.


Retention Of Female Faculty Members, Susan L. Murray, Mariesa Crow, Suzanna M. Rose Jan 2001

Retention Of Female Faculty Members, Susan L. Murray, Mariesa Crow, Suzanna M. Rose

Engineering Management and Systems Engineering Faculty Research & Creative Works

The recruitment and the retention of female undergraduate and graduate students into engineering courses is discussed. A similar challenge lies in recruiting female faculty member from the limited pool of candidates in several fields at most universities. It is found that about half the females who were hired did not stay at the university. It is suggested that programs should be introduced to encourage mentoring and career development as such improvements would benefit all faculty members both female and male.