Index Catalog // ScholarsArchive@OSU

Trust, communication and creativity in new product development teams

Creator:: Siacotos, Thomas John Charles
Abstract:: The researcher explored interpersonal trust (a construct from the fields of psychology and sociometry) in the context of engineering work groups. The study explored the potential antecedents of trust and the relationships among trust, creativity, communication, emotional empathy and positive affect. The study attempts to argue that 1) trust is...
Resource Type:: Masters Thesis

The use of electrochemical micromachining for making a microfloat valve

Creator:: Park, Sang-Bin
Abstract:: Micromanufacturing consists of processes for producing structures, devices or systems with feature sizes measured in micrometers. Micromanufacturing began in the mid-1960's with microelectronics fabrication technology. In the 1980's, Micro-Electro-Mechanical Systems (MEMS) began to be developed, in which electrical and mechanical subsystems were integrated at small scales. More recently, Microtechnology-based Energy...
Resource Type:: Masters Thesis

The role of duplicating and subcontracting processes in the design of cellular manufacturing systems

Creator:: Ramakrishna, Prabha
Abstract:: Cellular Manufacturing Systems (CMS) have provided significant increase in manufacturing productivity over the last two decades. This has been achieved because CMS can overcome the problems due to frequent setups, high in-process inventories, long throughput times and complex planning and coordination commonly associated with a batch-type manufacturing operation. The underlying...
Resource Type:: Masters Thesis

The impact of alternative cell locations and alternative routes of material handling equipment in the design of cellular manufacturing systems

Creator:: Karim, Yunan
Abstract:: Cellular Manufacturing Systems (CMS) have claimed many advantages over traditional job shop processes. Some of the advantages reported by several users of CMS are reduction in throughput time, reduction in WIP inventory, improvement in product quality, faster response time to customer orders, shorter move distances, increase in manufacturing flexibility, and...
Resource Type:: Masters Thesis

The effects of broad based holistic measurement on student engagement and motivation in educational assessment

Creator:: Brotherton, Paul Anthony
Abstract:: Educational institutions are exposed to a continuously changing environment. As in business, they experiment with their methods and techniques to improve their outputs. Performance assessment, both in education and business is a gray science. It is not just a question of evaluating performance. Performance is comprised of a number of...
Resource Type:: Masters Thesis

The effects of a performance measurement intervention on sociotechnical variables and performance

Creator:: Newton, Tygh J.
Abstract:: The "global marketplace" has been a driving force for change, resulting in a dramatic increase in competition and expectations of consumers. With more mailing options available, consumers are scrutinizing service and cost performance at a level never-before experienced by the United States Postal Service. For an organization that has operated...
Resource Type:: Masters Thesis

The effect of flight deck automation and automation proficiency on cockpit task management performance

Creator:: Suroteguh, Candy Brodie
Abstract:: Piloting a commercial aircraft involves performing multiple tasks in a real-time environment that require pilot's attention and cognitive resource allocation. Due to resource limitation, pilots must perform cockpit task management (CTM) because they cannot perform all tasks that demand their attention at once. Hence, pilots must prioritize the tasks in...
Resource Type:: Masters Thesis

The effect of cell locations in the processes of machine duplication and part subcontracting in manufacturing cell design

Creator:: Puvanunt, Vimalin
Abstract:: Significant improvements in manufacturing productivity has resulted from implementing cellular manufacturing systems (CMSs) in small to medium sized batch-oriented manufacturing systems. The work reported in this thesis illustrates the effect of cell locations in dealing with the processes of machine duplication and part subcontracting under budgetary restrictions. In addition, this...
Resource Type:: Masters Thesis

The effect of automation on the frequency of Task Prioritization errors on commercial aircraft flight decks : an ASRS incident report study

Creator:: Wilson, Jennifer Rae
Abstract:: Task Management (TM) refers to the function in which the human operator manages his/her available sensory and mental resources in a dynamic, complex, safety-critical environment in order to accomplish the multiple tasks competing for a limited quantity of attention. There is reason to believe that the level of automation on...
Resource Type:: Masters Thesis

Statistical design and analysis of sonic wave pressure treatment of wood

Creator:: Nair, Hari U.
Abstract:: Literature reports have indicated that application of sonic pressure waves enhances the rate of impregnation of preservatives in wood. However, these studies have been limited and inconclusive. The technique or process is not in commercial use. In this study a laboratory scale treating cylinder connected to a mechanical sonic wave...
Resource Type:: Masters Thesis

Sources of weld strength variability in capacitor discharge welding

Creator:: Benjarattananon, Jukchai
Abstract:: Capacitor discharge welding (CDW) is a rapid solidification joining process under the influence of one-dimensional thermal gradients. Although CDW is useful for joining small parts and dissimilar metals, CD welded joints have a large variability in weld strength. CDW is not widely accepted because of a lack of automated process...
Resource Type:: Masters Thesis

Simulation-based design evaluation of automated storage/retrieval systems

Creator:: Shroff, Raj N.
Abstract:: Automated storage and Retrieval (AS/R) systems have had a significant impact on storage and retrieval of finished goods, work-in-process, and raw materials and supplies. A microcomputer-based simulation model was developed to evaluate different unit load AS/R systems serving multiple input sources and output destinations. The simulation results were statistically analyzed...
Resource Type:: Masters Thesis

Setup reduction in PCB assembly : a group technology application using Genetic Algorithms

Creator:: Capps, Carlos H.
Abstract:: For some decades, the assembly of printed circuit boards (PCB), had been thought to be an ordinary example of mass production systems. However, technological factors and competitive pressures have currently forced PCB manufacturers to deal with a very high mix, low volume production environment. In such an environment, setup changes...
Resource Type:: Masters Thesis

Quantifying product development efforts : a methodology

Creator:: Boer, Michael R.
Abstract:: Product development efforts are extremely important to a company's success in today's global competitive business environment. Yet, these highly consequential efforts are terribly nebulous to a point that past experiences are inherently underutilized. This thesis demonstrates a methodology to quantify past product development efforts in an attempt to better utilize...
Resource Type:: Masters Thesis

Planning and implementing a manufacturing control system in a job shop environment

Creator:: Maplestone, Robert N.
Abstract:: This thesis is intended to provide the management of small to medium sized job shop companies with a written plan to implement a formal computerized manufacturing planning and control system. The research stemmed from a case study performed at a typical job shop where growth of production activities was complicating...
Resource Type:: Masters Thesis

Out-of-service criteria for commercial vehicles : evaluation of accident data in relation to vehicle criteria

Creator:: Miller, Stanley Glade
Abstract:: The Commercial Vehicle Safety Alliance (CVSA) is an association of industry representatives, and state, territorial, provincial, and federal government officials in the United States, Canada, and Mexico. The CVSA's goal is to improve commercial vehicle safety. The CVSA concentrates its safety focus on three areas; driver, vehicle, and hazardous materials....
Resource Type:: Masters Thesis

Methodology for the multi-objective, resource-constrained project scheduling problem

Creator:: Nudtasomboon, Nudtapon
Abstract:: This study is concerned with the problem of resource-constrained project scheduling which includes splittable and nonsplittable jobs, renewable and nonrenewable resources, variation in resource availabi1ity, time-resource tradeoff, time-cost tradeoff, and multiple objectives. The problem is formulated as a zero-one integer programming model. A specialized solution technique is developed for the...
Resource Type:: Dissertation

Mechanical characterization and modeling of solder joints for the secondary side reflow of large IC packages

Creator:: Yutzie, James D.
Abstract:: As the drive continues to reduce the size of Printed Wiring Assemblies (PWAs), improve performance of electronic assemblies, and reduce costs of these products, reliable secondary (bottom) side reflow operations must be developed. Attaching Surface Mount Technology (SMT) components to the secondary side of a Printed Circuit Board (PCB) is...
Resource Type:: Masters Thesis

Integrating product design and manufacturing process : a framework and implementation

Creator:: Li, Yu-An
Abstract:: The importance of integrating design and manufacturing becomes apparent when the increase in the degree of difficulty of change is observed as the product development proceeds from concept to production in a serial engineering process. The greatest opportunity in design for manufacture occurs at the initial design stage before any...
Resource Type:: Masters Thesis

Functional analysis of flight crew performance : a systems engineering perspective on crew resource management

Creator:: Sukhia, Cherag R.
Abstract:: Many failures of interpersonal communication and coordination in the aircraft cockpit have been found to occur as a result of poor management of flightdeck 'resources'. Crew Resource Management (CRM) is a concept that has evolved within the aviation community to specifically address this issue of resource management. The concept of...
Resource Type:: Masters Thesis

Filling a rough-mill cutting order using a fuzzy logic controller

Creator:: Anderson, James D.
Abstract:: Because of their high cost, reducing the number of boards used to fill an order of dimension parts is an important goal in a lumber rough mill. FLCO (Fuzzy Logic Cutting Order) is a computer program that achieves this goal. Using the concepts of fuzzy logic control, FLCO provides a...
Resource Type:: Masters Thesis

Factors that affect task prioritization on the flight deck

Creator:: Colvin, Kurt W.
Abstract:: Cockpit Task Management (CTM) is the initiation, monitoring, prioritization, execution, and termination of multiple, concurrent tasks by night crews. The primary research question posed in the current research is what factors affect task prioritization on the modern day, commercial flight deck. The conventional CTM literature was reviewed as an introduction...
Resource Type:: Dissertation

Evaluation of scheduling heuristics for non-identical parallel processors

Creator:: Kuo, Chun-Ho
Abstract:: An evaluation of scheduling heuristics for non-identical parallel processors was performed. There has been limited research that has focused on scheduling of parallel processors. This research generalizes the results from prior work in this area and examines complex scheduling rules in terms of flow time, tardiness, and proportion of tardy...
Resource Type:: Masters Thesis

Effect of capacitor discharge welding on single crystal copper

Creator:: Thaneepakorn, Wiwat
Abstract:: Materials which can be changed in shape and size when exposed to a magnetic field are called magnetostrictive materials. The magnetostrictive material was developed for use in the many actuator industries. A single crystal of magnetostrictive material is used to maximize its magnetostrictive response. It can be produced by the...
Resource Type:: Masters Thesis

Distribution center performance assessment

Creator:: Kuo, Chun-Ho, 1969-
Abstract:: The objective of this research is to assess the performance measurement systems currently used in today's distribution centers. A comprehensive investigation of distribution centers' performance measurement system is completed. Three major research phases are included in this study. An overview of distribution centers, including background, components, functions, and material handling...
Resource Type:: Dissertation

Development of an automated capacitor discharge welding system

Creator:: Patnaik, Srinivas M.
Abstract:: Automation of Capacitor Discharge Welding (CDW) has not been investigated in industry due to the limited understanding of the process. The US Department of Energy's Albany Research Center (ALRC) has done an extensive study of the process and reported applications of welds in the manufacture of electro-mechanical products such as...
Resource Type:: Masters Thesis

Development of a process for fabricating high-aspect-ratio, meso-scale geometries in stainless steel

Creator:: Walker, Benjamin A.
Abstract:: Miniature energy and chemical systems (MECS) are miniature thermal, fluid, and chemical devices in the mesoscale size range between a sugar cube and a human fist. MECS take advantage of improved rates of mass and heat transfer that have been observed at the microscale. There are many potential applications for...
Resource Type:: Masters Thesis

Development of a discrete-event, object-oriented framework for network-centric simulation modeling using Java

Creator:: Colvin, Kurt
Abstract:: The primary objective of this research is to develop a network-centric simulation modeling framework that can be used to build simulation models through the use of Internet-based resources. An object-oriented programming approach was used to build a Java-based modeling framework focused on modeling a semiconductor fabrication system. This research is...
Resource Type:: Masters Thesis

Development and comparison of two alternate display formats for an AgendaManager interface

Creator:: Wilson, Robert B. (Robert Brian)
Abstract:: Modern commercial air travel is considered by most transportation specialists to be the safest of all forms of transportation. While safe, any loss of life is tragic and the only really acceptable state of commercial air transport safety is that of 'zero-tolerance' where no accident is acceptable. Research has demonstrated...
Resource Type:: Masters Thesis

Determination of human visual capabilities in the identification of the color of highway signs under a combination of vehicle headlamp and high intensity discharge light sources

Creator:: Saremi, Ahmad Reza
Abstract:: A standardized color code is used to aid the driver in the prompt recognition of highway signs. At night, these signs are illuminated by various light sources including the headlights and other fixed light sources. These light sources may distort the appearance of the colors of the signs at night....
Resource Type:: Dissertation

Design of an object-oriented paradigm for model generation : an application in timber harvesting

Creator:: Scott, Thomas M. (Thomas Matthew), 1958-
Abstract:: The potential gains that could be realized from optimizing timber harvesting are significant. To a great extent it is these initial functions that dictate the quality of future manufacturing steps. Timber harvesting systems are defined by the operations they contain and the equipment that perform them. For any given harvesting...
Resource Type:: Masters Thesis

Design and implementation of a system for integrating material and process selection in automated manufacturing

Creator:: Chen, Hsueh-Jen
Abstract:: Today's manufacturing environment is characterized by competition and continuous change in product and process requirements. The concept of "design for manufacturability" integrates product specifications with manufacturing capabilities by considering the design and manufacturing phases as an integrated system, evaluating the combined system during the design phase of a product ,...
Resource Type:: Masters Thesis

Design and implementation of a flexible manufacturing cell with real-time statistical process control capabilities

Creator:: Wu, Chi-shih, 1962-
Abstract:: A modem Flexible Manufacturing Cell (FMC) usually consists of several Distributed Control Systems (DCS). Modeling and evaluating a manufacturing integrated system and then translating the models to operational programs are important steps in implementing a FMC. Monitoring and enhancing a FMC's manufacturing process quality is another critical issue. An embedded...
Resource Type:: Masters Thesis

Design and implementation of a decision support framework for evaluating manufacturing alternatives

Creator:: Saleh, Budiman
Abstract:: To be competitive in domestic and international markets, manufacturing management is routinely faced with the decision to automate or replace existing production facilities with advanced manufacturing technologies. Installation of advanced manufacturing technologies requires high capital investment, and there is much evidence to suggest that automation for automation's sake has proven...
Resource Type:: Dissertation

Conceptual modeling architecture and implementation of object-oriented simulation for automated guided vehicle (AGV) systems

Creator:: Wang, I-Chien
Abstract:: Traditional simulation languages and simulators do not fully support the need to design, modify, and extend simulation models of manufacturing systems, especially, material handling systems. Since AGV systems, one type of automated material handling systems, require complicated control logic, flexible job routings, and frequent layout modifications and extensions to correspond...
Resource Type:: Masters Thesis

Computer aided tolerance analysis and process selection for AutoCAD

Creator:: Pamulapati, Sairam V.
Abstract:: The fundamental objective of a design engineer in performing tolerance technology is to transform functional requirements into tolerances on individual parts based on existing data and algorithms for design tolerance analysis and synthesis. The transformation of functional requirements into tolerances must also consider the existing process capabilities and manufacturing costs...
Resource Type:: Masters Thesis

Component to multi-track feeder assignment and board sequencing for printed circuit board assembly

Creator:: Li, Yu-An
Abstract:: This research was motivated by the use of multi-track feeders in the printed circuit board (PCB) assembly. In a low volume, high mix production environment, setup time is usually considered more important than processing time. Implementation of multi-track feeders not only increases the capacity of the surface mount machines but...
Resource Type:: Dissertation

Comparison of two microvalve designs fabricated in mild steel using microprojection welding and capacitive dissociation

Creator:: Terhaar, Tyson J.
Abstract:: Since the dawn of the computer age, there has been a push to create miniature devices. These devices were initially integrated circuit (IC) devices to perform calculations for computers. As the technology progressed, the scope of the devices diverged to included microelectromechanical (MEMS) devices, meaning that the devices perform mechanical...
Resource Type:: Masters Thesis

Comparison of response surface model and Taguchi methodology for robust design

Creator:: Sudasna-na-Ayudthya, Prapaisri
Abstract:: The principal objective of this study was to compare the results of a proposed method based upon the response surface model to the Taguchi method. To modify the Taguchi method, the proposed model was developed to encompass the following objectives. The first, with the exception of the Taguchi inner array,...
Resource Type:: Dissertation

Communicating pilot goals to an intelligent cockpit aiding system

Creator:: Cha, Woo Chang
Abstract:: A significant number of aircraft incidents and accidents have been caused, in part, by flightcrew failure to properly manage cockpit activities, such as failure to initiate activities at the appropriate time, misprioritization of activities, or the failure to appropriately monitor activities and terminate them when required. To facilitate the management...
Resource Type:: Dissertation

Characteristics of optimal buffer allocation in unbalanced serial production lines

Creator:: Kretz, Thomas
Abstract:: For many decades, production and assembly lines have played an important role in industrial manufacturing systems. In particular, they have proved to be an efficient way to organize the production of high volume products in many industries. In their effort to improve the efficiency of production lines, researchers encountered two...
Resource Type:: Masters Thesis

Automating pilot function performance assesssment using fuzzy systems and a genetic algorithm

Creator:: Zaspel, Joachim C.
Abstract:: Modern civil commercial transport aircraft provide the means for the safest of all forms of transportation. While advanced computer technology ranging from flight management computers to warning and alerting devices contributed to flight safety significantly, it is undisputed that the flightcrew represents the most frequent primary cause factor in airline...
Resource Type:: Masters Thesis

Assembly tolerance analysis in geometric dimensioning and tolerancing

Creator:: Tangkoonsombati, Choowong
Abstract:: Tolerance analysis is a major link between design and manufacturing. An assembly or a part should be designed based on its functions, manufacturing processes, desired product quality, and manufacturing cost. Assembly tolerance analysis performed at the design stage can reduce potential manufacturing and assembly problems. Several commonly used assembly tolerance...
Resource Type:: Masters Thesis

An object oriented intelligent agent simulation environment

Creator:: Liang, Chien-Tsun
Abstract:: Manufacturing intelligent agent simulation has not been widely applied in industry because of its application complexity. This complexity, which includes choosing priority machines or jobs, determining machine maintenance schedules, and allocating working shifts and breaks, requires intelligent decision making. Manufacturing systems are strongly influenced by intelligent decision makers. Especially for...
Resource Type:: Masters Thesis

An intelligent agent architecture platform for intelligent simulation of manufacturing systems

Creator:: Kaiser, René
Abstract:: Traditional simulation tools, such as simulators and simulation languages do not support intelligent simulation output analysis and offer little - or no - features to model intelligence within a system. However, in a modern manufacturing environment we often find ourselves facing high flexibility requirements and the need for quick response....
Resource Type:: Masters Thesis

An integrated approach to engineering curricula improvement with multi-objective decision modeling and linear programming

Creator:: Shea, John E.
Abstract:: The structure of engineering curricula currently in place at most colleges and universities has existed since the early 1950's, and reflects an historical emphasis on a solid foundation in math, science, and engineering science. However, there is often not a close match between elements of the traditional engineering education, and...
Resource Type:: Dissertation

An experimental investigation of scheduling non-identical parallel processors with sequence-dependent set-up times and due dates

Creator:: Smith, Terrence A.
Abstract:: An experimental investigation of factors effecting scheduling a system of parallel, non-identical processors using a series of experimental designs was carried out. System variables included were processor capacities relationships, sequencing and assignment rules, job size, and product demand distributions. The effect of the variables was measured by comparing mean flow...
Resource Type:: Masters Thesis

An experimental investigation and comparative evaluation of scheduling strategies for a dynamic job shop in a tool sharing environment

Creator:: Xu, Zhongkai
Abstract:: Good tool management and job operating strategies will result in reduction in tool inventory and associated costs. Very little empirical research has been conducted on a Flexible Manufacturing System (FMS) as a whole in relation to its performances with tool movement approach, specifically in a dynamic job shop in a...
Resource Type:: Dissertation

An efficient methodology for scheduling general flexible manufacturing systems

Creator:: Sonthinen, Adulwit
Abstract:: Flexible Manufacturing Systems (FMSs) have evolved rapidly over the last decade. One important factor that influences the performance of FMS is scheduling. Scheduling in an FMS differs from that in a conventional job-shop because each operation of a job may be performed by any one of several machines. Most studies...
Resource Type:: Masters Thesis

A study of the ergonomics of emergency stop pushbuttons

Creator:: Zárate, Patricia B.
Abstract:: Emergency stop controls are essential parts of industrial machinery because they are designed to stop the operation in case of emergencies without risks to operators, equipment, products, or facilities. Current guidelines for emergency stop controls have been formulated based on experience but not on empirical studies. The main objectives of...
Resource Type:: Masters Thesis

A sensitivity evaluation of EPA's CAL3QHC dispersion model for carbon monoxide analysis at urban intersections

Creator:: Lindemann, Julie B.
Abstract:: In February 1994, EPA proposed to "refine" its carbon monoxide (CO) hot spot model, CAL3QHC, to increase its accuracy and reliability. Currently, this proposal includes using hourly meteorological data recorded at airports near the modeling sites instead of the worst case conditions now recommended as a modeling default. The analysis...
Resource Type:: Masters Thesis

A methodology for using simulation to create manufacturing control expert knowledge

Creator:: Hendra, Richard C.
Abstract:: Expert systems is an area of artificial intelligence that shows promise for a wide variety of applications, particularly in solving problems that have always been considered too large and complex for solution by conventional approaches. However, the process of eliciting expertise from an expert, knowledge acquisition, is recognized as the...
Resource Type:: Masters Thesis

A mathematical analysis and critique of activity-based costing using mixed integer programming

Creator:: Hamler-Dupras, Kevin
Abstract:: The acquisition and elimination of products and the resources needed to create them constitutes an important part of the business decision-making process. Activity-based costing (ABC) supports this process by providing a tool for evaluating the relative profitability of various products. It accomplishes this by allocating costs to products based on...
Resource Type:: Masters Thesis

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