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Operations Research, Systems Engineering and Industrial Engineering Commons

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2001

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Articles 1 - 30 of 47

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

On The Stability Of Unconstrained Receding Horizon Control With A General Terminal Cost, Ali Jadbabaie, John Hauser Dec 2001

On The Stability Of Unconstrained Receding Horizon Control With A General Terminal Cost, Ali Jadbabaie, John Hauser

Departmental Papers (ESE)

This paper deals with unconstrained receding horizon control of nonlinear systems with a general, non-negative terminal cost. Earlier results have indicated that when the terminal cost is a suitable local control Lyapunov function, the receding horizon scheme is stabilizing for any horizon length. In a recent paper, the authors show that there always exist a uniform horizon length which guarantees stability of the receding horizon scheme over any sub-level set of the finite horizon cost when the terminal cost is identically zero. In this paper, we extend this result to the case where the terminal cost is a general non-negative ...


Acuta Enews December 2001, Vol.30, No. 12 Dec 2001

Acuta Enews December 2001, Vol.30, No. 12

ACUTA Newsletters

In This Issue

Michigan Tech Chooses Network Appliances

ACUTA Events

The "New Member Roundup"- Why It's Important

DC Update

ACUTA EVENTS

Mexico Dialing Pattern Change

Did the Lights Go Out? Events, Results, and Impacts

Board Report

Thanks to Our Sponsors!

Fourth Quarter 2001 Web Sites to See

Welcome New Members

Positions Available


Development Of A Systems Engineering Model Of The Chemical Separations Process: Quarterly Progress Report 8/16/01- 11/15/01, Yitung Chen, Randy Clarksean, Darrell Pepper Nov 2001

Development Of A Systems Engineering Model Of The Chemical Separations Process: Quarterly Progress Report 8/16/01- 11/15/01, Yitung Chen, Randy Clarksean, Darrell Pepper

Separations Campaign (TRP)

The AAA program is developing technology for the transmutation of nuclear waste to address many of the long-term disposal issues. An integral part of this program is the proposed chemical separations scheme.

Two activities are proposed in this Phase I task: the development of a systems engineering model and the refinement of the Argonne code AMUSE (Argonne Model for Universal Solvent Extraction). The detailed systems engineering model is the start of an integrated approach to the analysis of the materials separations associated with the AAA Program. A second portion of the project is to streamline and improve an integral part ...


Acuta Enews November 2001, Vol.30, No. 11 Nov 2001

Acuta Enews November 2001, Vol.30, No. 11

ACUTA Newsletters

In This Issue

Tornado Strikes Maryland Campus

Thanks to Exhibitors for 2001

ACUTA Events

DC Update

IT Disasters Recovery Near the World Trade Center

Board Report

Business Continuity Planning in Higher Ed

Welcome New Members

Positions Available


Pickup And Delivery Problem With Time Windows: Algorithms And Test Case Generation, Hoong Chuin Lau, Zhe Liang Nov 2001

Pickup And Delivery Problem With Time Windows: Algorithms And Test Case Generation, Hoong Chuin Lau, Zhe Liang

Research Collection School Of Information Systems

In the pickup and delivery problem with time windows (PDPTW), vehicles have to transport loads from origins to destinations respecting capacity and time constraints. In this paper, we present a two-phase method to solve the PDPTW. In the first phase, we apply a novel construction heuristics to generate an initial solution. In the second phase, a tabu search method is proposed to improve the solution. Another contribution of this paper is a strategy to generate good problem instances and benchmarking solutions for PDPTW, based on Solomon's benchmark test cases for VRPTW. Experimental results show that our approach yields very ...


Acuta Enews October 2001, Vol.30, No. 10 Oct 2001

Acuta Enews October 2001, Vol.30, No. 10

ACUTA Newsletters

In This Issue

How Telecom Answered the Call

ACUTA EVENTS

New Member Roundup

DC Update

Board Report

Welcome New Members

Positions Available


Freightliner Llc Manufacturing Optimization, Jerry Compton, Ryan Jefferis, Hasnah Mat-Amin, Felix Ngoussou Oct 2001

Freightliner Llc Manufacturing Optimization, Jerry Compton, Ryan Jefferis, Hasnah Mat-Amin, Felix Ngoussou

Engineering and Technology Management Student Projects

Freightliner LLC has been producing innovative products since 1942 for the trucking industry. Following a 1981 acquisition by Daimler-Benz AG, Freightliner has steadily gained market share through acquisition and fleet sales. Following record production in 1999 at maximum yield levels, year 2000 hit the heavy truck market especially hard. High diesel fuel prices, low used truck values, and a slowing economy were just a few reasons for reduced truck sales.

Through Ql of 2001, heavy vehicle production was down 54% compared to 2000 in attempts of lowering inventory amounts. In this new market, capacity is no longer the overall manufacturing ...


A Heuristic Algorithm To Generate Test Program Sequences For Moving Probe Electronic Test Equipment, Bertha M. Arteta Oct 2001

A Heuristic Algorithm To Generate Test Program Sequences For Moving Probe Electronic Test Equipment, Bertha M. Arteta

FIU Electronic Theses and Dissertations

The electronics industry, is experiencing two trends one of which is the drive towards miniaturization of electronic products. The in-circuit testing predominantly used for continuity testing of printed circuit boards (PCB) can no longer meet the demands of smaller size circuits. This has lead to the development of moving probe testing equipment. Moving Probe Test opens up the opportunity to test PCBs where the test points are on a small pitch (distance between points). However, since the test uses probes that move sequentially to perform the test, the total test time is much greater than traditional in-circuit test. While significant ...


Acuta Enews September 2001, Vol.30, No. 9 Sep 2001

Acuta Enews September 2001, Vol.30, No. 9

ACUTA Newsletters

In This Issue

Conference Highlights

ACUTA EVENTS

DC Updates

Board Report

ACUTA Plans Audio Seminar on Taxes, Surcharges, and Fees

Welcome New Members

Positions Available


Development Of A Systems Engineering Model Of The Chemical Separations Process, Yitung Chen, Darrell Pepper, Randy Clarksean Aug 2001

Development Of A Systems Engineering Model Of The Chemical Separations Process, Yitung Chen, Darrell Pepper, Randy Clarksean

Separations Campaign (TRP)

Two activities are proposed: the development of a Systems Engineering model and the refinement of the Argonne code AMUSE (Argonne Model for Universal Solvent Extraction). The detailed systems engineering model will be the start of an integrated approach to the analysis of the materials separations associated with the national AAA program. A second portion of the project will streamline and improve an integral part of the overall systems model, which is the software package AMUSE. AMUSE analyzes the UREX process and other related solvent extraction processes and defines many of the process streams that are integral to the systems engineering ...


Acuta Enews August 2001, Vol.30, No. 8 Aug 2001

Acuta Enews August 2001, Vol.30, No. 8

ACUTA Newsletters

In This Issue

Safety First at Section Hall

ACUTA Events

DC Update

Overheard on the Listserve: RF Interference on Campus

Welcome New Members

Positions Available


Analysis Of A New Vehicle Scheduling And Location Problem, Ebru K. Bish, Thin Yin Leong, Chun-Lun Li, Jonathan W. C. Ng, David Simchi-Levi Aug 2001

Analysis Of A New Vehicle Scheduling And Location Problem, Ebru K. Bish, Thin Yin Leong, Chun-Lun Li, Jonathan W. C. Ng, David Simchi-Levi

Research Collection School Of Information Systems

We consider a container terminal discharging containers from a ship and locating them in the terminal yard. Each container has a number of potential locations in the yard where it can be stored. Containers are moved from the ship to the yard using a fleet of vehicles, each of which can carry one container at a time. The problem is to assign each container to a yard location and dispatch vehicles to the containers so as to minimize the time it takes to download all the containers from the ship. We show that the problem is NP-hard and develop a ...


A Multi-Agent Framework For Supporting Intelligent Fourth-Party Logistics, Hoong Chuin Lau, G. Lo Aug 2001

A Multi-Agent Framework For Supporting Intelligent Fourth-Party Logistics, Hoong Chuin Lau, G. Lo

Research Collection School Of Information Systems

A distributed intelligent agent-based framework that supports fourth-party logistics optimization under a web-based e-Commerce environment has been proposed in this paper. In the framework, customer job requests come through an e-Procurement service. These requests are consolidated and pushed to the e-Market Place service periodically. The e-Market Place then serves as a broker that allows intelligent agents to bid to serve these requests optimally in real-time by solving multiple instances of underlying logistics optimization problem. The resulting system was implemented based on the Java 2 Enterprise Edition (J2EE) platform using distributed system technology for communication between objects.


Simulation Of Engineering Systems Described By High-Index Dae And Discontinuous Ode Using Single Step Methods, Marc Compere Aug 2001

Simulation Of Engineering Systems Described By High-Index Dae And Discontinuous Ode Using Single Step Methods, Marc Compere

Publications

This dissertation presents numerical methods for solving two classes of or-dinary diferential equations (ODE) based on single-step integration meth-ods. The first class of equations addressed describes the mechanical dynamics of constrained multibody systems. These equations are ordinary differential equations (ODE) subject to algebraic constraints. Accordinly they are called differential-algebraic equations (DAE).

Specific contributions made in this area include an explicit transforma-tion between the Hessenberg index-3 form for constrained mechanical systems to a canonical state-space form used in the nonlinear control communities. A hybrid solution method was developed that incorporates both sliding-mode control (SMC) from the controls literature and post-stabilization from ...


Acuta Enews July 2001, Vol.30, No. 7 Jul 2001

Acuta Enews July 2001, Vol.30, No. 7

ACUTA Newsletters

In This Issue

Meet the 2001-02 Board

ACUTA Staff Changes

DC Update

Section 508 Sets New Standards

Board Report

FSO and Eye Safety

Welcome New Members

Positions Available


Job Shop Scheduling Problem: An Overview, Amr Arisha, Paul Young, Mohie El Baradie Jul 2001

Job Shop Scheduling Problem: An Overview, Amr Arisha, Paul Young, Mohie El Baradie

Conference papers

The Job-shop scheduling is one of the most important industrial activities, especially in manufacturing planning. The problem complexity has increased along with the increase in the complexity of operations and product-mix. To solve this problem, numerous approaches have been developed incorporating discrete event simulation methodology. The scope and the purpose of this paper is to present a survey which covers most of the solving techniques of Job Shop Scheduling (JSS) problem. A classification of these techniques has been proposed: Traditional Techniques and Advanced Techniques. The traditional techniques to solve JSS could not fully satisfy the global competition and rapidly changing ...


Computer-Aided Engineering For Tool Design In Manufacturing Engineering Curriculum, Daniel J. Waldorf Jun 2001

Computer-Aided Engineering For Tool Design In Manufacturing Engineering Curriculum, Daniel J. Waldorf

Industrial and Manufacturing Engineering

At Cal Poly – San Luis Obispo, a variety of tool design issues are covered in a junior-level manufacturing engineering course called Tool Engineering. In the course, designing fixtures – for any process – is a major component of the content. The process of designing a fixture is similar to the method a mechanical engineer would use to design a new product. The course is therefore an excellent opportunity to teach design principles to manufacturing engineers. This project involves an attempt to introduce computer-aided methods, including the finite element method (FEM), for analysis of tool design into the Tool Engineering course. The approach ...


Teaching Factory, Sema E. Alptekin, Reza Pouraghabagher, Patricia Mcquaid, Daniel Waldorf Jun 2001

Teaching Factory, Sema E. Alptekin, Reza Pouraghabagher, Patricia Mcquaid, Daniel Waldorf

Industrial and Manufacturing Engineering

Academia must develop a new approach to teaching in order to better prepare engineering students to function efficiently and adjust readily within the framework of the factories in the real world. Some engineering programs emphasize theory, while others emphasize application as isolated blocks. The "Teaching Factory" being developed at Cal Poly combines both theory and applications. It makes use of state-of-the-art industrial grade production equipment, computer hardware and software in the form of the following two systems: 1) a functioning "real" factory hardware environment, and 2) a Production Planning and Control Center.


Acuta Enews June 2001, Vol.30, No. 6 Jun 2001

Acuta Enews June 2001, Vol.30, No. 6

ACUTA Newsletters

In This Issue

History Goes Up in Flames

Web Conference on IP Video

DC Update

Cellular Tower Service Considerations

Disposable Cell Phones

Board Report

Welcome New Members

Positions Available


The Effect Of Reliability Consideration On The Application Of Quality Index, Hamid Seifoddini, Manocher Djassemi Jun 2001

The Effect Of Reliability Consideration On The Application Of Quality Index, Hamid Seifoddini, Manocher Djassemi

Industrial Technology and Packaging

Quality index (QI) has been proposed as a screening mechanism for machine-part matrices in the development of cellular manufacturing systems. In this paper the effect of reliability consideration on the application of QI and the relative sensitivity of job shop and cellular manufacturing systems to reliability changes are evaluated by simulation modeling. Performance measures such as mean flow time and work-in-process inventories are used in the comparative study of job shop and cellular manufacturing.


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


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


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 ...


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


Biofeedback Via Telehealth: A New Frontier For Applied Psychophysiology, Raymond A. Folen, Larry C. James, Jay E. Earles, Frank Andrasik Jan 2001

Biofeedback Via Telehealth: A New Frontier For Applied Psychophysiology, Raymond A. Folen, Larry C. James, Jay E. Earles, Frank Andrasik

US Army Research

Psychophysiological diagnostic and therapeutic methods, to include biofeedback, have been found to be empirically effective in the treatment of a variety of physical disorders. In many areas of the country, however, certified biofeedback practitioners are not well distributed, limiting patient access to this treatment modality. Psychologists at Tripler Army Medical Center have pioneered efforts to develop and provide these needed services via a telehealth venue. Such capability significantly improves access to care, particularly for patient’s located at considerable distance from the provider. As the telecommunications infrastructure in rural and remote areas is often quite basic, such a system must ...