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

An Aggregation Procedure For Simulating Manufacturing Flow Line Models, Paul Savory, Gerald Mackulak Jan 1997

An Aggregation Procedure For Simulating Manufacturing Flow Line Models, Paul Savory, Gerald Mackulak

Department of Industrial and Management Systems Engineering: Faculty Publications

We develop a formal method for specifying an aggregate discrete-event simulation model of a production flow line manufacturing system. The methodology operates by aggregating production stations or resources of a flow line. Determining the specifications for representing the aggregated resources in a simulation model is the focus of our presentation. We test the methodology for a set of flow lines with exponentially distributed arrival and service times. Comparisons between analytical and simulation results indicate the aggregation approach is quite accurate for estimating average part cycle time.


Acuta Enews December 1996, Vol. 25, No. 12 Dec 1996

Acuta Enews December 1996, Vol. 25, No. 12

ACUTA Newsletters

In This Issue

Fifth Annual Institutional Excellence Awards Competition

ACUTA News will have a new look

Welcome New Members

President's Message

Emergency Phone Provide Security

DC at a Glance

Fiber Optic Video Systems for Campus Networking

Campus News Briefs

Industry Insights

From ACUTA Headquarters


Acuta Enews November 1996, Vol. 25, No. 11 Nov 1996

Acuta Enews November 1996, Vol. 25, No. 11

ACUTA Newsletters

In This Issue

Univ. of Idaho: Homepage Sweet Homepage

Institutional Excellence Award

Committee Member Approved

More Angles for 809 Fraud

Welcome New Members

President's Message

The '90s: New Challenges for Telecom

DC at a Glance

Campus News Briefs

Industry Insights


Acuta Enews October 1996, Vol. 25, No. 10 Oct 1996

Acuta Enews October 1996, Vol. 25, No. 10

ACUTA Newsletters

In This Issue

President's Message

FlexSourcing

Desk Top Video

Overheard on the Listserve

From ACUTA Headquarters


Acuta Enews September 1996, Vol. 25, No. 9 Sep 1996

Acuta Enews September 1996, Vol. 25, No. 9

ACUTA Newsletters

In This Issue

From the President

New Legislation

User Group Reports

Changes Come to Campus Directories

From ACUTA Headquarters


Acuta Enews August 1996, Vol. 25, No. 8 Aug 1996

Acuta Enews August 1996, Vol. 25, No. 8

ACUTA Newsletters

In This Issue

Silver Anniversary Celebration 25 Years of Excellence

President's Message

Chicago Presentations Inspire, Inform, and Entertain

Executive Director

DC at a Glance

Record Number of Exhibitors in Chicago

From ACUTA Headquarters


Acuta Enews July 1996, Vol. 25, No. 7 Jul 1996

Acuta Enews July 1996, Vol. 25, No. 7

ACUTA Newsletters

In This Issue

New Board of Directors Prepares for 1996-97

ACUTA Announces Quarterly Journal

President's Message

Do You Tax Student Long Distance Bills?

DC at a Glance

University of Washington Fills Service Niche with T1 Channel Banks

How to Subscribe to ACUTA Listserves

Everyone Wants Voice Mail

Campus New Briefs

Welcome New Members

Industry Insights


Acuta Enews June 1996, Vol. 25, No. 6 Jun 1996

Acuta Enews June 1996, Vol. 25, No. 6

ACUTA Newsletters

In This Issue

From the President

Virtual LAN at Univ. of Mississippi

DC at a Glance

Internet Phone

From ACUTA Headquarters


Acuta Enews May 1996, Vol. 25, No. 5 May 1996

Acuta Enews May 1996, Vol. 25, No. 5

ACUTA Newsletters

In This Issue

From the President

DC at a Glance

Letter to FCC

High-Tech Crime

From ACUTA Headquarters


Acuta Enews April 1996, Vol. 25, No. 4 Apr 1996

Acuta Enews April 1996, Vol. 25, No. 4

ACUTA Newsletters

In This Issue

From the President

Pasadena Community College

Port by Every Pillow at WCU

Multi-Media at Sewanee

DC at a Glance

From ACUTA Headquarters


Acuta Enews March 1996, Vol. 25, No. 3 Mar 1996

Acuta Enews March 1996, Vol. 25, No. 3

ACUTA Newsletters

In This Issue

From the President

Seeking a Wireless Solution

DC at a Glance

Telecom & Leg/Reg Listserves

From ACUTA Headquarters


Acuta Enews February 1996, Vol. 25, No. 2 Feb 1996

Acuta Enews February 1996, Vol. 25, No. 2

ACUTA Newsletters

In This Issue

From the President

The Michelangelo Virus

DC at a Glance

UCLA Switches on Its 6800

From ACUTA Headquarters


Acuta Enews January 1996, Vol. 25, No. 1 Jan 1996

Acuta Enews January 1996, Vol. 25, No. 1

ACUTA Newsletters

In This Issue

From the President

SIUE $1.1 Million Phone Scam

NUI Implements ADSI Technology

Sewanee Campus Hooked up to Info Highway

ACUTA Listserves

From ACUTA Headquarters


Cycle Time Estimation For Simulating A Tandem Queueing Systems Using Aggregation Techniques, Paul Savory, Gerald Mackulak Jan 1996

Cycle Time Estimation For Simulating A Tandem Queueing Systems Using Aggregation Techniques, Paul Savory, Gerald Mackulak

Department of Industrial and Management Systems Engineering: Faculty Publications

One approach to simulating a single-server tandem queuing system is to explicitly model each of the production stages. In this paper, we apply queueing theory, a recursive algorithm, and composite random number sampling to develop an equivalent aggregate representation consisting of only a single production stage. Preliminary test results indicate that the aggregation works well for estimating the mean and variability of the total cycle time.


Acuta Enews December 1995, Vol. 24, No. 12 Dec 1995

Acuta Enews December 1995, Vol. 24, No. 12

ACUTA Newsletters

In This Issue

From the President

Cabling for the life of your network

Planning today

FRED fights fraud

From ACUTA Headquarters


Using Mathematica To Aid Simulation Analysis, Paul Savory Dec 1995

Using Mathematica To Aid Simulation Analysis, Paul Savory

Department of Industrial and Management Systems Engineering: Faculty Publications

As computer power has increased, so has the capability of software developers to write programs that assist people with time-consuming tasks. Mathematica is such a program. The objective of this paper is to demonstrate how Mathematica, a symbolic programming environment, can be used to aid simulation analysis. In addition to a general discussion of Mathematica’s uses, advantages, and disadvantages, several examples will be presented. The examples include using Mathematica for distribution fitting, queueing analysis, random number generation, and creating a surface plot for optimization.


Acuta Enews November 1995, Vol. 24, No. 11 Nov 1995

Acuta Enews November 1995, Vol. 24, No. 11

ACUTA Newsletters

In This Issue

From the President

Voice Cellular Services at CMU

CTI for Universities Network 2000 at UTMB

From ACUTA Headquarters


Acuta Enews October 1995, Vol. 24, No. 10 Oct 1995

Acuta Enews October 1995, Vol. 24, No. 10

ACUTA Newsletters

In This Issue

From the President

Disaster Recovery: Part ll

PBX Call Processing Basics

Cal State lnstalls Intelligent Payphones

From ACUTA Headquarters


Acuta Enews September 1995, Vol. 24, No. 9 Sep 1995

Acuta Enews September 1995, Vol. 24, No. 9

ACUTA Newsletters

In This Issue

Awards presented at 24th Annual Conference

New Board of Directors looks forward to 1996

Board Report

Welcome New Members

Host needed for Winter Seminar

President's Message

Driving smart on the Info Highway


Acuta Enews August 1995, Vol. 24, No. 8 Aug 1995

Acuta Enews August 1995, Vol. 24, No. 8

ACUTA Newsletters

In This Issue

From the President

ISDN at MSU

Disaster Recovery

From ACUTA Headquarters: Emeritus Membership Status approved


Acuta Enews July 1995, Vol. 24, No. 7 Jul 1995

Acuta Enews July 1995, Vol. 24, No. 7

ACUTA Newsletters

In This Issue

Board report

President's message

Wiring today for tomorrow

Card technology

DC at a glance

From ACUTA Headquarters


Acuta Enews July 1995, Vol. 24, No. 7 Jul 1995

Acuta Enews July 1995, Vol. 24, No. 7

ACUTA Newsletters

In This Issue

Board report

Presidents message

Wiring today for tomorrow

Card technology

DC at a glance

From ACUTA Headquarters


Acuta Enews June 1995, Vol. 24, No. 6 Jun 1995

Acuta Enews June 1995, Vol. 24, No. 6

ACUTA Newsletters

In This Issue

Board report

President's message

Charles Co. Community College's telecommuting project

Brock's campus ID card

From ACUTA Headquarters


Acuta Enews May 1995, Vol. 24, No. 5 May 1995

Acuta Enews May 1995, Vol. 24, No. 5

ACUTA Newsletters

In This Issue

Board report

President's message

DC at a glance

Benchmarks for your telecom operation

From ACUTA Headquarters


Acuta Enews April 1995, Vol. 24, No. 4 Apr 1995

Acuta Enews April 1995, Vol. 24, No. 4

ACUTA Newsletters

In This Issue

Board Report

President's message

DC at a glance

Directory updates

From ACUTA Headquarters


Acuta Enews March 1995, Vol. 24, No. 3 Mar 1995

Acuta Enews March 1995, Vol. 24, No. 3

ACUTA Newsletters

In This Issue

Board report

President's message

ACUTA hires Administrative

DC at a glance

Info Superhighway grant

From ACUTA Headquarters


Acuta Enews February 1995, Vol. 24, No. 2 Feb 1995

Acuta Enews February 1995, Vol. 24, No. 2

ACUTA Newsletters

In This Issue

Board Report

President's message

ACUTA hires Computer Services Administrator

Peer presentations at Maui

DC at a glance

From ACUTA Headquarters


Acuta Enews January 1995, Vol. 24, No. 1 Jan 1995

Acuta Enews January 1995, Vol. 24, No. 1

ACUTA Newsletters

In This Issue

Board Report

President's message

Telecom Resources Library Update

Developing a campus telecom plan

Precautions combat

phone fraud

DC at a glance


Issues In Developing An Undergraduate Simulation Course, Paul Savory Jan 1995

Issues In Developing An Undergraduate Simulation Course, Paul Savory

Department of Industrial and Management Systems Engineering: Faculty Publications

Experience in developing an undergraduate simulation course is described. The course introduces the philosophies, principles, and methodologies for discrete-event simulation modeling. Strategy in choosing the course simulation software is discussed, plus important areas of teaching emphasis are highlighted.


Simulation Project Characteristics In Industrial Settings, Paul Savory Jan 1995

Simulation Project Characteristics In Industrial Settings, Paul Savory

Department of Industrial and Management Systems Engineering: Faculty Publications

In a survey of practitioners of discrete-event simulation from industry and research institutes who "build models for money," we asked about project goals, user backgrounds and training, organizational types and activities, software and hardware choices, modeling team composition, and effort allocation within a modeling project. We found that (1) only about half of the practitioners have three or more years experience, (2) many academics feel strongly affiliated with their industry clients rather than with their university employers, (3) shop-floor supervisors rarely lead simulation projects, even though their knowledge of the system may be unparalleled, (4)simulation models are generally described as …