Dissertations / Theses: 'Equipment engineering'

1

Hacking, Robert G. (Robert Grant) 1971. "Outsourcing engineering design in a semiconductor equipment manufacturing company." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/84357.

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Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; in conjunction with the Leaders for Manufacturing Program at MIT, 2003.
Includes bibliographical references (p. 97-98).
by Robert G. Hacking.
S.M.
M.B.A.

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2

Blomdahl, Gilbert A. "Engineering collaboration tools selection for the Woods Equipment Company." Online version, 2001. http://www.uwstout.edu/lib/thesis/2001/2001blomdahlg.pdf.

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Aspar, Sablee. "The investigation of clinical engineering resource models and performance measures in the United Kingdom." Thesis, Queen Mary, University of London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336503.

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Hatsgai, Okinobu. "Equipment control in container shipping." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/36497.

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Thouin, Frédéric. "Video-on-demand equipment allocation." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=99545.

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Network-based video-on-demand (VoD) deployments are today very limited in scope. The largest deployed libraries are just 0.7% of the global movie and TV-series catalog and peak utilization of VoD targets are 10--15% of broadcast TV peak viewing numbers. Recognizing that libraries and usage may grow, service providers are intensely interested in large-scale content delivery networks that provide content propagation, storage, streaming, and transport. We focus on one of the challenges of VoD network design: resource planning. We describe a method and design tool for the planning of large-scale VoD systems and address the resource allocation problem of determining the number and model of VoD servers to install in a, topology such that the deployment cost is minimized. Our general design tool provides important feedback and insights on VoD network design; we observed that the available equipment and the topology had a significant impact on the resulting design.

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Goel, Anjali 1978. "Economics of composite material manufacturing equipment." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/31096.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.
Includes bibliographical references (p. 43).
Composite materials are used for products needing high strength-to-weight ratios and good corrosion resistance. For these materials, various composite manufacturing processes have been developed such as Automated Tow Placement, Braiding, Diaphragm Forming, Resin Transfer Molding, Pultrusion, Autoclave Curing and Hand Lay Up. The aim of this paper is to examine the equipment used for these seven processes and to produce a cost analysis for each of the processes equipment. Since many of these processes are relatively new or are fairly costly and specified to the customers need, much of the equipment is custom made to meet the requirements of the part being produced. Current pricing information for individual custom-built machines, as well as standard machinery has been provided here.
by Anjali Goel.
S.B.

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7

Bushendorf, Jeffrey. "Field study of the 5-Axis Forest-Line versus the 5-Axis Fidia-211 in the case of a midwestern engineering firm." Online version, 2009. http://www.uwstout.edu/lib/thesis/2009/2009bushendorfj.pdf.

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Wu, Lixian. "Engineering and durability properties of high performance structural lightweight aggregate concrete." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265612.

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9

Kilsby, Paul. "Modelling railway overhead line equipment asset management." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/41496/.

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The Overhead Line Equipment (OLE) is a critical sub-system of the 25kV AC overhead railway electrification system, which is the main method of railway electrification on the British railway network. OLE failures can result in significant delays and pose risks to passenger safety, therefore, inspection and maintenance is undertaken to improve component reliability and uphold the availability of the system. OLE asset management strategies can be evaluated using a life cycle cost analysis that considers degradation processes and maintenance activities of the OLE components. The investment required to deliver the level of performance desired by railway customers and regulators can be based on evidence from the analysis’ results. This thesis presents a methodology for modelling the asset management and calculating the whole life cost of the OLE to allow such analysis to take place. This research has developed a High Level Petri net model to simulate the degradation, failure, inspection and maintenance of the main OLE components in a stochastic manner. The model simulates all the main OLE components concurrently in the same model and fixed time interval inspections and condition-based maintenance regimes are considered. The various dependencies between the different components and processes considered, such as opportunistic inspection and maintenance, are also taken into account. The use of High Level Petri nets allows the processes considered to be modelled in a more accurate and efficient manner in comparison to standard Petri nets. The model is used to calculate various statistics associated with the cost, maintenance requirements and reliability of the individual OLE components and the OLE system over its life cycle. This is demonstrated using an example analysis for a 2-mile section of electrified line, which also describes how the outputs obtained can be used by decision makers to study the performance of the components and the implications of the maintenance strategy evaluated by the model. Finally, a Genetic Algorithm is used in conjunction with the Petri net developed to find the optimum maintenance strategies that result in the lowest total cost of the system. The optimum strategy chosen results in a 15% lower expected total cost and 10% fewer expected failures in comparison to the maintenance strategy currently implemented for the OLE on the British railway network, whilst requiring a similar number of maintenance visits. The methodology presented considers the OLE components and the processes described above in more detail than previous literature associated with asset management and life cycle cost analysis of the OLE. Additionally, the suitability and ways in which Petri nets can be used for modelling the asset management of other large engineering systems, comprised of numerous components with various dependencies, is confirmed. Furthermore, the practical use of the model, as an asset management tool, capable of calculating a comprehensive range of outputs calculated, is demonstrated.

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Oni, Oluwasoga (Oluwasoga Temitope). "Capital equipment as a service : emerging models for equipment businesses in low and middle-income economies." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106260.

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Thesis: S.M. in Engineering and Management, Massachusetts Institute of Technology, School of Engineering, System Design and Management Program, Engineering and Management Program, 2016.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 57-58).
Capital equipment is a critical component of almost every industry and is used to create valuable goods and services for the end customers. However, the initial cost of acquisition and subsequent running costs associated with these equipment pose a significant barrier to young businesses. While servitizing capital equipment is a proven method of increasing access to these machineries in many high-income countries (HICs), the benefits of servitization often do not extend to low- and middle-income countries (LMICs). In this thesis, I examine the capital equipment ecosystems of both HICs and LMICs, with a focus on the stakeholders involved. I also explore both the challenges facing equipment businesses when operating in LMICs and the innovative solutions being implemented by successful LMIC service businesses. Based on these examples, I offer recommendations for budding service-based equipment business that are working to improve affordable access to capital equipment in resource-constrained settings.
by Oluwasoga Oni.
S.M. in Engineering and Management

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Syed, Tariq. "Automated test system for ADSL equipment." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ58510.pdf.

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Knights, Peter Fielden. "Fault diagnosis in mobile mining equipment." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40165.

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The development of decision support systems for equipment diagnosis has been found to be an iterative process whereby functionality and knowledge are continually added to a prototype until satisfactory performance is achieved. In order to reduce both the dependency on compiled knowledge sources and the number of prototype stages necessary to develop diagnostic decision support systems, this thesis examines, adapts and applies a set theoretical approach to mechanism diagnosis first developed in the field of Artificial Intelligence. The approach does not require the development of computational models to simulate equipment behaviour.
The set theoretical approach was applied to the development of a diagnostic decision support system for a semi-automated Atlas Copco Wagner ST-8B Load-Haul-Dump vehicle. Hypothesis sets were generated for the vehicle's hydraulic circuit and Deutz FL-413-FW diesel engine. A high level of diagnostic resolution was achieved for the hydraulic circuit, but limited resolution was achieved for the diesel engine. This was postulated to be due to the ratio of observable system outputs to input sub-systems, and the number of least repairable units making up each system.
Manual knowledge acquisition was undertaken in an underground mine to refine the diagnostic knowledge developed from the hypothesis sets and to add knowledge to discriminate between competing failure hypotheses. Heuristic failure likelihoods were used to rank hypotheses in order of frequency of occurrence. The knowledge base was implemented as a hypertext decision support system using HyperText Mark-up Language (HTML). The resulting decision support system is platform independent, upgradeable and able to be maintained by site personnel. The system is currently installed at surface level and at 1800 level at INCO Limited's Stobie Mine in Sudbury, Ontario.
The thesis makes a number of original contributions, the first two of which are of generic significance. It is the first work to apply set theoretical concepts to structural models of mobile mining equipment in order to diagnose faults. A number of modifications are advanced to the conventional trace-back analysis technique for generating contributor and normality sets, and heuristic guidelines are provided for estimating the costs and benefits of developing, implementing and maintaining diagnostic decision support systems. It is also the first work to formalise a decision support system in HTML and to suggest the application of company-wide internets ("intranets") to disseminate maintenance knowledge within mines.

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13

Tjernberg, Anders. "Fatigue assessments of components in construction equipment." Doctoral thesis, KTH, Aeronautical Engineering, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3117.

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The thesis refers to "Fatigue Assessment of Components inConstruction Equipment". The subject was chosen because ofincreasing interest in higher payloads, lower weight, highervelocities and shorter load cycles in construction equipmentvehicles.

The main research goal in this thesis is to investigatetechniques to extend the fatigue life of an induction hardeneddrive shaft, with splines. Areas related to this research areresidual stress, fatigue life assessments, manufacturingprocess parameters and hardening process parameters. Themethods used to achieve the goal are process simulations,fatigue tests, finite element calculations, measurements ofresidual stress and fatigue life assessments. The aim of thepresent research is to cover several aspects of applied fatigueassessment. Most of the theoretical work has been verified withmeasurements and fatigue tests.

The residual stresses have been calculated by simulating thehardening process with SYSWELD, a Finite Element program. Thesimulated residual stress beneath the surface was compared toX-ray and neutron diffraction measurements. The conformancewith simulations and X-ray measurements was relatively good,but the conformance with neutron diffraction measurements wasnot so good. The detrimental axial tensile residual stress atthe core was found to be in the order of 800-900 MPa, for theshafts.

About 100 shafts have been fatigue tested in torsion, bothin constant amplitude and in variable amplitude and some of theresults have been reported in this thesis. For many of theshafts, crack initiation beneath the hardening layer wasdetected, which depends on the high tensile residual stress inthe core. Fatigue life assessments were made on the shafts,using a multiaxial strain based critical plane model, with themeasured residual stresses as input data. The generalconclusion is that the induction hardening process parametersinfluence the residual stresses to a high extent and thusinfluence fatigue life. Simulations of how different hardeningprocess parameters influence the residual stress profile havebeen done. Low hardening power and low frequency seem to reducethe detrimental tensile residual stress at the core.

The load distribution along the axis of the spline teeth hasbeen investigated. The shear stress concentration in a splinehas been calculated by the finite element method, using anon-linear model, and was compared with results found in theliterature. An equation describing how the tooth thicknessshould vary to obtain smooth contact in the axial direction hasbeen derived. Finally, fatigue tests have been made oninduction hardened shafts in torsion with crack initiation atthe spline surface.

The influence of pitch errors on fatigue life for splineshas also been estimated, by using a weakest link failureprobability model and combining it with a 2-parameter Weibullfailure distribution model. The conclusion is that pitch errorsin the investigated splines appear to reduce fatigue life byabout 50-70 %, compared with ideal pitch.

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Erwin, James William. "Rooftop equipment wind load and mitigation techniques." FIU Digital Commons, 2008. http://digitalcommons.fiu.edu/etd/3149.

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Rooftop equipment failures pose significant threats during tropical cyclones because detached equipment may hinder post-storm recovery efforts, delay building re occupancy, and become windbore debris. The objectives of this study were to measure the wind loads exerted on a full scale rooftop equipment specimen, and to develop mitigation techniques that would alleviate severe rooftop equipment wind loads. A test building was outfitted with a/c condenser units, which were instrumented with force and pressure transducers to measure the aerodynamic loading effects. The study found that lateral forces measured in the full scale configuration compared well with a previous tunnel study, but differences existed between the uplift forces and overturning moments. Additionally, a full scale gust effect factor was found to be significantly higher than the wind tunnel results and the nominal value used in ASCE 7. Wind screens placed around the rooftop equipment were found to effectively alleviate the aerodynamic loading effects.

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15

Hideblad, Daniel. "Equipment for Accelerated Vibration Testing." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-62587.

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The increasing complexity with the decrease in size of EEE – components (Electronic, electric and electromagnetic) raises the question on how higher energy frequencies will affect the components and their continuous development. The most common vibration testing equipment currently in use within the automotive industry and SCANIA CV AB are the electrodynamic shaker (ED system). This thesis covers the characteristics of different vibration testing equipment while analysing their strengths and weaknesses, not only for the automotive industry but also including equipment more commonly handled within the aero and space industry. The project aims to find a complement for the ED system and study the possibility for its replacement in the automotive industry.In particular, experiments are carried out and documented on a so-called “Repeatable shaker system” (RS system) for the purpose to get a better understanding on the functions of the equipment and its overall differences compared to the electrodynamic system when it comes to random vibration testing.It became clear that complementing or replacing the ED system is difficult and that the RS system work fundamentally different in comparison. Accordingly, the RS system is not a potential replacement for our purpose and it cannot perform at the same level of precision but instead is able to achieve higher energy frequencies overall, making it still ideal for its intended purposes, but not as a replacement of the ED system.

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16

Holman, Jason (Jason William) 1974. "Optical networking equipment manufacturing." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/44603.

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Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science; in conjunction with the Leaders for Manufacturing Program at MIT, 2001.
Includes bibliographical references (leaf 70).
Celestica, a global contract manufacturer specializing in printed circuit board assembly and computer assembly, has recently begun manufacturing equipment for the optical networking equipment (ONE) industry. The expansion to include ONE manufacturing requires the development of new skills in handling optical fiber and components, a new supply chain strategy, and a new approach to manufacturing systems control. Celestica is developing a set of standards for ONE manufacturing that will support the rapid development of the new skills required for this industry. This work outlines the standards and explores the specific issues related to manufacturing with optical fiber, including the mechanical reliability and optical performance of various types of optical fibers. An overview of the telecommunications industry is provided, including an analysis of its supply chain structure. Observations are made on trends in the industry and the ways that these trends have affected Celestica in the past, and could impact Celestica in the future. Finally, Celestica's current approach to manufacturing systems control is evaluated, and suggestions are made for improving systems control and project management when manufacturing for such a rapidly evolving industry.
by Jason Holman.
S.M.
M.B.A.

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17

Loyd, Bernard. "Eastman Kodak equipment manufacturing--three scenarios." Thesis, Massachusetts Institute of Technology, 1990. http://hdl.handle.net/1721.1/101305.

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Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1990 and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1990.
Includes bibliographical references (leaves 157-160).
by Bernard Loyd.
M.S.

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18

Pérez, Orviz Deva. "Changing equipment for cold-water surfing." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299538.

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The purpose of this project is to develop a specialized piece of equipment for cold-water surfers to use when changing before and after a surf session. The current surfing equipment available is designed for warmer weather and water temperature and doesn’t cover all the needs the surfers in the northern countries of Europe and America have. A research study was performed to better understand the needs of the cold-water surfers from the different northern countries. Many field studies were also performed at Nynäshamn, a cold-water surfing spot close to Stockholm in Sweden. Next an idea generation process and concept generation process were done to find the best solutions for the problem. After choosing the best concept, it was further developed in detail. The final product was a silicone bucket and isolating mat that allows storage for both dry and wet gear.
Syftet med detta projekt är att utveckla en specialiserad utrustning för kallvattensurfare att använda vid ombyte före och efter en surfsession. Surfutrustningen som finns tillgänglig på marknaden idag är utformad för varmare väder och vattentemperatur och täcker inte alla behov som surfare i de nordliga länderna i Europa och Amerika har. En förstudie genomfördes för att bättre förstå behoven hos kallvattensurfarna från de olika nordliga länderna. Många fältstudier utfördes också vid Nynäshamn, en surfvattenplats för kallt vatten nära Stockholm i Sverige. Därefter genomfördes en idégenereringsprocess och konceptgenereringsprocess för att hitta de bästa lösningarna på problemet. Efter att ha valt det bästa konceptet vidareutvecklades det i detalj. Slutprodukten blev en silikonhink och en isolerande värmematta med en torrpåse, som möjliggör förvaring av både torrt och vått redskap samtidigt. Den har också ett enkelt avlopp för att tömma kvarvarande vatten före transport.

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Chouinard, Natalie 1979. "China production equipment sourcing strategy." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/51664.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering; and, (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; in conjunction with the Leaders for Manufacturing Program at MIT, 2009.
Includes bibliographical references (p. 61-62).
This thesis recommends a China business and equipment strategy for the Controls Conveyor Robotics Welding (CCRW) group at General Motors. The current strategy is to use globally common equipment through predetermined global suppliers. The GM facilities in China, which are jointly owned with non-GM entities, believe that a local sourcing strategy would reduce lead times, transportation costs and increase the level of nearby service and support. These factors are catalyst for GM to reevaluate the current global common strategy. This thesis will provide an overview of the CCRW organization and discuss how the sourcing strategy has evolved through globalization. Due to the large variety of production tooling, this thesis will narrow the focus to two case studies: the first being a Main Control Panel (MCP) and the second being a weld controller. These case studies are used as a method to determine the pros and cons of the current sourcing strategy, where the MCP is a highly integrated design maintained by CCRW HQ and the weld controller is a "blackbox" which CCRW defines the functional specifications and procures "off the shelf' from a predetermined global supplier. Through local China visits, literature review and preliminary cost assessments, it was determined that while local sourcing may be a viable option for both the MCP and weld controller, there is not enough determinate information to commit to a sourcing change in the case of the Main Control Panel. From onsite visits to potential MCP option suppliers in China, it appears that likely "local" arrangements exists, however, further company analysis and validation will need to be conducted to adopt the change.
(cont.) As for the weld controller, the local product variation with the current global supplier (based locally) is recommended and was validated by CCRW weld engineers by the completion of this internship. I The term "Local" will be used throughout this thesis to refer to "China," meaning solutions that are derived from internal to China.
by Natalie Chouinard.
M.B.A.
S.M.

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Scrivens, Jevin E. (Jevin Eugene). "A wireless robotic manipulator for semiconductor manufacturing equipment." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/44897.

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Xu, Ruolin M. Eng Massachusetts Institute of Technology. "Restructuring inventory location at semiconductor equipment manufacturing plant." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113728.

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Thesis: M. Eng. in Advanced Manufacturing and Design, Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student-submitted PDF version of thesis.
Includes bibliographical references (page 108).
This thesis tackles the Supermarket (SMKT) material shortage problem at Varian Semiconductor Equipment and Associates (Varian), in a bid to improve the SMKTs On-Time Delivery. The SMKT is a sub-assembly area that creates intermediate assemblies in a multi-stage ion implanter production process. However, many sub- assemblies made in the SMKT are delivered late. When juxtaposed with Varians external suppliers, which have On-Time Delivery records of over 90%, the SMKTs average of 61% pales in comparison. SMKTs poor On-Time Delivery has been tied to production delays and rework downstream on the Flowline. From a large amount of data collected on-site, a SMKT material shortage problem is found to be the root cause of its unsatisfactory On-Time Delivery. Random supply shocks have resulted in material shortages, which in turn lead to late deliveries. The majority (i.e. 64%) of shortages is the result of having two inventory storage locations: SMKT and Varians Warehouse. To resolve the material shortage problem, Varian can consider consolidating its SMKT inventory to one single storage location, such as the Warehouse. This is expected to save Varian $467,488 per annum in labor hours and rent, free up 3,000 ft2 of production floor space for capacity expansion, and decrease cycle time of an oft-late sub-assembly called the Profiler by 11%. This is on top of eliminating the aforementioned 64% of shortages. The consolidation strategy will put Varian in a productive and competitive position to capitalize on the fast-growing semiconductor industry in the years ahead.
by Ruolin Xu.
M. Eng. in Advanced Manufacturing and Design

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22

Folkeson, Tea. "WCDMA User Equipment Output Power Calibration." Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1691.

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To save time in Flextronics high volume production, the time for test and calibration of mobile telephones need to be as short and accurate as possible. In the wideband code division multiple access (WCDMA) case, the output power calibration is the most critical calibration concerning accuracy. The aim with this thesis was to find a faster calibration method than the one that exists today and still retain accuracy.

The Third Generation Partnership Project (3GPP) outlines the requirements of the output power and they must be thoroughly considered when choosing calibration method. Measurement accuracy and the behavior of the transmitter chain parameters also must be considered.

The output power in the WCDMA phone studied is controlled by seven parameters. The parameters are characterized in this thesis, and are found to be too hardware dependent to be predicted or to be seen as predictions from each other.

Since no parameter predictions are possible it was stated that all parameters have to be measured, and a new way of measuring them in a faster way is proposed. The principle of the new measurement method is presented, and the implemented software is tested and evaluated. The new method mainly makes use of the spectrum analyzer zero span function.

The evaluation shows that the new method is faster than the original and retains accuracy. The measurement uncertainties even seem to diminish, which implicates decreased temperature dependence due to faster measurement time.

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Rogers, Lucy Elizabeth. "Foam formation in low expansion fire fighting equipment." Thesis, Lancaster University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250575.

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Cebesoy, Tibet. "Cost modelling system for discontinuous surface mining equipment." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335790.

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Larsson, Anders. "High frequency distortion in power grids due to electronic equipment." Licentiate thesis, Luleå : Luleå tekniska universitet/Tillämpad fysik, maskin- och materialteknik/Energiteknik, 2006. http://epubl.ltu.se/1402-1757/2006/63/LTU-LIC-0663-SE.pdf.

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Holman, Cale M. (Cale Matthew). "Optimizing the selection and implementation of assembly line equipment at a large automobile original equipment manufacturer." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/34857.

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Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; in conjunction with the Leaders for Manufacturing Program at MIT, 2005.
Includes bibliographical references (p. 96-97).
Toyota Motor Manufacturing North America (TMMNA) is continuing to face an increasingly competitive automobile market. To meet these evolving market conditions, TMMNA has experienced rapid growth in demand for its automobiles in North America. To meet this demand, Toyota has rapidly grown from three assembly plants in the mid- 1990's to its current total of six assembly plants (five in operation with one being built). This has led to many management challenges, including communication, knowledge sharing, and knowledge retention that many companies experience when faced with rapid growth. In order to respond to these challenges, Vehicle Production Engineering (VPE) Assembly, a department within TMMNA, has attempted to develop a process through which it can standardize its processes and capitalize on best practices across the many North American plants. This thesis studied the process through which VPE Assembly develops and installs assembly line equipment for major automobile model changes. This study included observation of the Toyota product development process and how this process is carried out within VPE Assembly. This research revealed that the assembly line equipment process employed by Toyota is well suited for this organization. However, there are improvements available that could improve the overall process and bring automobiles models to the market more quickly. Communication between the different plants could be improved. Additionally, much knowledge learned from completed projects is not being shared fully between the various plants. Suggested improvements to address these problems are discussed.
by Cale M. Holman.
S.M.
M.B.A.

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Low, Wai Leung 1977. "Cell and equipment design in the automotive components industry." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/89323.

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Tedesco, Matthew P. "An approach to standardization of naval equipment and components." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/32595.

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Van, Doren Matthew J. 1967. "Precision machine design for the semiconductor equipment manufacturing industry." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11496.

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Müller, Luis Antonio 1969. "Modular semiconductor test, assembly & packaging manufacturing equipment design." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9840.

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McLorn, M. J. "Fundamental behaviour of valves used in diesel fuel injection equipment." Thesis, City, University of London, 2013. http://openaccess.city.ac.uk/19748/.

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Engine manufacturers have acknowledged that in order to meet future strict emission regulations, greater optimisation of the combustion process is necessary. They are also aware that in a direct injection diesel engine, the Fuel Injection Equipment (FIE) plays the most critical role in the combustion efficiency and the formation of exhaust pollutants. In fact, the engine torque curve, fuel consumption, smoke, noise and exhaust emissions are all determined by the quantity and manner in which the fuel is injected into the engine cylinder. In modern high speed diesel engine applications, it is the inwardly-opening needle valve which fulfils this purpose. Its location, being situated within the tip of a fuel injector nozzle, ensures that the needle valve is the ultimate link between the FIE and the combustion process. This arguably makes this valve the single most important component within the whole fuel injection system, or in other words, the most important piece of the puzzle. This thesis details a series of experimental projects which were carried out to study the internal flow inside some common types of valves found within diesel FIE. Although primarily focusing on the needle valve design, both ball and cone check valves were also considered. The typical approach of visualising the internal flow structure involved the use of enlarged transparent models and a refractive index matched working fluid. Laser Light sheet illumination and Particle Image Velocimetry techniques were adopted to provide qualitative and quantitative analysis of the internal flow structure within the aforementioned types of valves. In the case of the needle valve, two reported flow phenomena, the ‘flow transition’ and the ‘flow overshoot’ were confirmed to occur within the nozzle sac, whilst a third previously unknown flow structure, the ‘reverse overshoot’ was exposed. PIV analysis has quantified flow structures within the injection holes and these have been associated with vortical structures known to exist within the emerging spray plumes. Additional observations were made of the growth of the separated region and the influence of hole entry cavitation on the bulk flow within the injection hole. In the case of an un-sprung ball check valve, a novel design of lift stop was put forward and found during steady-state flow to improve the operational performance and neutralise some undesirable behaviour. This effect was especially apparent at the full lift condition. It is anticipated that knowledge gained and described within this thesis will have commercial value to assist with design optimisation of future FIE components and for the validation of simulation data, in particular with regard analysis of the flow within the injection hole.

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Burrows, John H. (John Henry). "Predictive and preventive maintenance of mobile mining equipment using vibration data." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=24052.

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This thesis discusses approaches to evaluate the health of mining machinery, based on monitored vibration data. The objective was to develop a means to determine machine health, while operating on-line, without reference to an expert. This approach is based on processing acquired vibration data with artificial neural networks (ANN's). A case study, based on data obtained from the monitoring of locomotives at the Iron Ore Company (IOCC). Real time data patterns, profiles and trends, obtained by processing vibration signals from various points on locomotives, were used to test the developed technique. The results indicate that observed patterns and trends can be classified into categories that reliably indicate the mechanical state of the equipment. An implemented system will assist maintenance personnel at this mine to identify the trends of a developing component problem in advance of catastrophic failure. In addition the system will be able to predict its remaining life prior to catastrophic failure. Thus, a machine could be reliably and safely operated until just prior to failure of a component.
The thesis work is a sub-component of a larger project at IOCC, to implement a mine-wide predictive/preventative maintenance program for pumps, locomotives, trucks, shovels and drills at their open-pit mine in Labrador City, Newfoundland. This system will use intermittent on- and off-line, condition monitoring based on ANNs and expert systems (ES). A functional overview is discussed. The data would identify where and what is the particular machine alarm condition. Such an approach would allow improved fault detection of machine components, especially in mines where trained personnel are not readily available. (Abstract shortened by UMI.)

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Jeshani, Mahesh. "Optical characterisation of cavitating flows in diesel fuel injection equipment." Thesis, City University London, 2013. http://openaccess.city.ac.uk/3414/.

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The recent advances in Fuel Injection Equipment (FIE) have led to the identification of deposits found in the fuel filters and injector equipment. The work carried out here identifies the effects of cavitating flows on the physical and chemical properties of diesel fuel in order to try to evaluate the mechanism for deposit formation in FIE equipment using optical techniques to characterise the cavitating flows. Two sets of experiments have been carried out in order to understand the impact of cavitating flow on diesel fuels. The first experiment investigated the effects of sustained cavitating flow using a fuel recirculation rig. Samples of commercial diesel were subjected to forty hours of intense cavitating flow across a diesel injector in a specially designed high-pressure recirculation flow rig. Changes to the optical absorption and scattering properties of the diesel over time were identified by the continuous measurement of spectral attenuation coefficients at 405 nm by means of a simple optical arrangement. Identical diesel samples ~ere maintained at 70°C for forty hours in a heated water bath, in order to distinguish the effects of hydrodynamic cavitation and the regulated temperature on the cavitated diesel samples. The commercial diesel samples subjected to high pressure cavitating flow and heat tests revealed a response to the flow and temperature history that was identified by an increase in the optical attenuation coefficients of the cavitated and heated samples. The contribution of cavitating flow and temperature to the variation in spectral attenuation coefficient was identified. It was hypothesised that the increases observed in the spectral attenuation coefficients of the cavitated commercial diesels were caused by the cavitation affecting the aromatics in the commercial diesel . samples. The fuels were sent for a GC x GC and particle count analysis and results show significant increase in particle number count in the fuels as a result of cavitating flow. An increase in particle count to such high magnitudes was not observed for the heat test samples. Qualitative chemical modelling results of the pyrolysis of fuel vapour cavities during collapse at high pressures and temperatures have shown possible pathways leading to the formation of particulates. The presence of aromatics in diesel fuel was considered to be key species to the formulation of soot particles, however at extreme pressures and temperature paraffins may also have the propensity to breakdown into aromatics and further on to the formation of soot particles as observed by the pathway analysis in the modelling in the appendix. The second study undertaken involved the analysis of the near nozzle external spray dropsizing and atomisation characteristics of fuels with different distillation profiles using LIF-MIE image ratios. The LIF -Mie image ratios were simultaneously captured synchronously with the internal nozzle hole cavitating flow. Internal nozzle flow and sac observations after needle return have led to the conclusions that flow angular momentum is sustained in the sac flow after needle return. This flow was observed to have a high angular momentum which reduced over time. During the end of needle return, bubbles were observed in the sac hole forming as a result of needle cavitation. These bubbles retained the angular momentum of the flow post injection (after needle seal). The vortical motion in the sac lead to regions of high and low pressures in the sac volume and thus resulted in suction and discharge of bubble in the nozzle holes. The bubbles may have a high propensity of containing a mixture of fuel and air vapour whereas the suction and discharge offers a pathway to external gases entering the nozzle holes and sac volume. For operating engine conditions this would be post-combustion exhaust gases re-entering the nozzle holes. The combination of the bubble formation, its vOI1Ical motion due to the angular momentum of the liquid flow, its composition and high temperature, may form ideal conditions for pyrolysis like reactions which may lead to the formation of soot particles and deposits in the nozzle hole, sac and needle. Fuels with different distillation profiles were investigated to observe their external drop sizing distributions at 350 bar injection pressure. Results showed that fuels with lighter fractional compositions which also had lower viscosity produced lower Sauter Mean Diameter (SMD) distributions than fuels with higher distillation fractions and higher viscosity. Whether this is as a consequence of the distillation profile alone and is not influenced by the viscosity differences has not been investigated yet and would form the basis of further investigations and publications.

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Pettersson, Emil, and Simon Hellgren. "Electric-driven Compaction Equipment Assessment: A Sustainable Lifecycle Approach." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-14935.

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Olausson, Linus. "Construction and test of a new compact TRT equipment." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226294.

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A relevant contribution to sustainable development can be achieved by providing efficient solutions for heating buildings. The use of a heat pump taking heat from the bedrock with the help of a borehole heat exchanger is a common solution in Sweden to accomplish this. In situ measurement of the thermal conductivity of the ground by means of thermal response test is necessary for medium to large size installations to ensure proper sizing of the borehole system. This master thesis was done in cooperation with the department of geo energy at the company Bengt Dahlgren. The aim was to design a new compact thermal response test equipment, test it on a coaxial borehole heat exchanger and evaluate the test results and design a simple business model for using the equipment commercially. The company already had an equipment for thermal response tests, which formed the basis for the new equipment. A literature review was done to gain knowledge on thermal response test equipment, its components and borehole heat exchangers. Also, an evaluation of results from an earlier test of an 800 m deep borehole with a coaxial borehole heat exchanger was made. The project resulted in the construction of a new more compact equipment for thermal response tests with a new, improved heating solution. Two different business models based on renting out the equipment were designed. The equipment was tested on a 200 m deep borehole with a coaxial borehole heat exchanger. The test indicated a thermal conductivity of 2.46 𝑊𝑚∙𝐾 and a borehole resistance of 0.031 m∙KW.
En viktig del av en hållbar utveckling är energieffektiva lösningar för uppvärmning av byggnader. En vanlig lösning i Sverige är att använda en värmepump kopplad till en borrhålsvärmeväxlare och utnyttja berggrunden som värmekälla. I vissa fall är det motiverat att testa bergets värmeledningsförmåga med hjälp av ett termiskt responstest för att mer precist kunna dimensionera borrhålen. Denna mastersuppstas gjordes i samarbete med Bengt Dahlgren geoenergi. Arbetet syftade till att designa en kompakt utrustning för termiskt responstest, testa den nya utrustningen på en koaxial borrhållsvärmeväxlare och utvärdera testresultatet samt att designa en enkel affärsmodell för den nya utrustningen. Företaget hade sedan tidigare en utrustning för termiskt responstest, som låg till grund för designen av den nya. En litteraturstudie utfördes för att få mer kunskap om termisk responstestutrustning, dess komponenter och borrhålsvärmeväxlare. Dessutom gjordes en utvärdering av mätresultat från ett tidigare utfört test på ett 800m djupt borrhål med en koaxial borrhålsvärmeväxlare. Arbetet resulterade i en ny kompaktare utrustning för termiskt responstest med en ny smart lösning för uppvärmningen. Två olika affärsmodeller baserade på uthyrning av den nya utrustningen togs fram. Utrustningen testades på ett 200 m djupt borrhål med en koaxial borrhålsvärmeväxlare. Borrhålet visade en termisk värmeledningsförmåga på 2,46 𝑊𝑚∙𝐾 och ett borrhålsmotstånd på 0,031 m∙KW

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Dahlgren, Linus. "Case Study on Applications of Measurement Equipment for Dynamic Line Rating." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-284242.

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Dynamic Line Rating is the concept of rating the ampacity of power lines depending on the thermodynamicconditions of the lines. It is an alternative to Static Line Ratings, which are set to maintainnetwork safety requirements under unfavourable operating conditions. Thus Dynamic Line Rating allowsthe network operator to utilise unused capacity of the lines, and operate network assets closer to theirlimits while still maintaining network safety requirements.This thesis explores the potential of Dynamic Line Rating through an analysis of a pilot project fromEllevio AB and Heimdall Power. The goal is to ascertain the ideal placement of monitoring equipment forDynamic Line Rating purposes, determine an estimate of the transmission capacity increase, and studythe economic impact of Dynamic Line Rating implementation.Data from the measurement equipment used in the pilot project has been analysed to ensure that it isoperating correctly. This analysis showed that the line temperature measurements were malfunctioning.Because of this, the analysis of Dynamic Line Rating in this thesis is strictly weather based.The most critical spans along a line have been identied through a method that has been developed forthis thesis. The capacity increase is estimated to 23% when Dynamic Line Rating is implemented. Aneconomic analysis quantied the potential value of this capacity increase from both the perspective of awind power producer and a DSO. This analysis also showed that DLR show a correlation towards windpower generation and no correlation towards the general load prole of the line.
Dynamisk gradering är ett alternativt sätt att gradera utrustning i elkraftsystem (luftledningar, transfor-matorer). Den rådande normen är en statisk gradering som är satt för att säkerställa att systemet håller sig inom säkerhetsgränserna även vid ofördelaktiga förhållanden. En dynamisk gradering beräknar lastbarheten kontinuerligt utifrån realtids eller prognosticerade mätvärden. Detta tillåter drift närmare de faktiska säkerhetsgränserna, vilket ökar utrustningens överföringskapacitet. Det är således ett attraktivt forskningsområde inom elkraftmarknaden, då utbyggnad av överföringskapacitet i nuläget ofta är förenat med stora kostnader och långa handläggningstider.I Oktober 2019 påbörjade Ellevio AB tillsammans med Heimdall Power ett pilotprojekt om dynamisk lastbarhet. Mätutrustning utvecklad av Heimdall Power monterades på en regionalledning, för att utforska potentialen hos både mätutrustningen och den dynamiska lastbarheten för ledningen i fråga. Det här examensarbetet har som en del i pilotprojektet haft som mål att besvara frågor gällande den potentiella ökningen i överföringskapacitet och de ekonomiska konsekvenserna av detta, samt analysera mätutrustningens tillförlitlighet och optimala placering längs ledningen.En metod för att finna de mest kritiska punkterna längs ledningen har tagits fram i samband med examensarbetet. Metoden är baserad på en litteraturstudie av tidigare metoder, och använder tre faktorer för att göra en riskskattning av varje span på ledningen. Metoden applicerades sedan på ledningen i pilotprojektet för att finna de mest kritiska punkterna för att placera mätutrustning.Analysen av mätutrustningens tillförlitlighet visade att temperaturmätningarna hos Heimdalls neuroner inte fungerade korrekt. Detta har senare bekräftats genom tester från Heimdall.Den potentiella överföringskapaciteten ökade i genomsnitt med 23% då dynamisk gradering implementerades. En positiv korrelation mellan den dynamiska graderingen och lastprofilen från vindkraftsproduktion i området har också påvisats. Den ekonomiska analysen visade att det potentiella ekonomiska värdet från denna ökning beror på mängden nyetablering av vindkraft, och att värdet från implementering av dynamisk gradering då som mest är 4.1 MSEK.Sammanfattningsvis har det här examensarbetet påvisat både möjligheter och utmaningar kring dynamisk gradering. Vidare behöver ovanstående analyser göras ånyo då mer mätdata samlats in, för att kunnabekräfta eller förkasta slutsatserna i rapporten.

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Ekstener, Jesper. "Validation of Test Equipment for Active Safety." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-64943.

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When testing active safety and Autonomous Emergency Brakes in vehicles many tests are done with a type of rig that simulates, for example, a pedestrian crossing the road in front of the vehicle. This thesis covers a validation of the accuracy of a new similar test-rig that has been developed by AstaZero, the company and test facility where this project took place. The rig operates by dragging a target (e.g. a pedestrian dummy) ona plate across a vehicles path, forcing it to apply the emergency brakes. By performing multiple tests with common test scenarios and various parameters, such as velocity, weight, etc. data was acquired and analyzed. The data acquisition was made with an Inertial and GPS Navigation system mounted on the rig. During the analysis, the purpose was to determine the lateral and longitudinal accuracy as well as the velocity stability. The first results showed that the velocity had an oscillating behavior. Solutions to prevent this was to either implement Jerk, which smoothens the acceleration, or to lower the total weight of the plate. Tests for lateral and longitudinal accuracy resulted in a standard deviation of approximately 10 mm for longitudinal position and between 15 mm and 40 mm for lateral position, mostly depending on test distance and weight.
Testning av aktiv säkerhet och framför allt automatisk nödbroms sker oftast med en testrigg som simulerar att en fotgängare korsar gatan framför ett fordon. Detta examensarbetet går ut på att validera noggrannheten för en ny liknande testrigg somtagits fram av AstaZero, företaget och testanläggningen där examensarbetet utfördes. Denna rigg fungerar genom att släpa en platta, med exempelvis en fotgängardocka på, framför ett fordon som då tvingas aktivera nödbromsen. Genom ett flertal tester medvanliga scenarion har olika parametrar testats, exempelvis hastighet och vikt förplattan, och resulterat i data som analyserats. Datainsamlingen gjordes med hjälp avutrustning som innehåller accelerometer, gyroskop och GPS-system. Dessa systemvar under testerna monterade på riggen. Syftet med analysarbetet var att visualiseradata för lateral och longitudinell noggrannhet samt hur stabil hastigheten är. Resultaten från analysen visade att hastigheten hade ett svängande beteende. Detta löstes genom att antingen implementera Jerk, som jämnar ut accelerationen, eller att sänka den totala vikten på plattan som släpas på backen. Data från testerna visade att standardavvikelsen för longitudinell position är cirka 10 mm och för lateral position mellan 15 mm och 40 mm, mest beroende på testlängd och vikt på plattan.

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Thiraviam, Amar Raja. "Accelerated life testing of subsea equipment under hydrostatic pressure." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4525.

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Accelerated Life Testing (ALT) is an effective method of demonstrating and improving product reliability in applications where the products are expected to perform for a long period of time. ALT accelerates a given failure mode by testing at amplified stress level(s) in excess of operational limits. Statistical analysis (parameter estimation) is then performed on the data, based on an acceleration model to make life predictions at use level. The acceleration model thus forms the basis of accelerated life testing methodology. Well established accelerated models such as the Arrhenius model and the Inverse Power Law (IPL) model exist for key stresses such as temperature and voltage. But there are other stresses like subsea pressure, where there is no clear model of choice. This research proposes a pressure-life (acceleration) model for the first time for life prediction under subsea pressure for key mechanical/physical failure mechanisms. Three independent accelerated tests were conducted and their results analyzed to identify the best model for the pressure-life relationship. The testing included material tests in standard coupons to investigate the effect of subsea pressure on key physical, mechanical, and electrical properties. Tests were also conducted at the component level on critical components that function as a pressure barrier. By comparing the likelihood values of multiple reasonable candidate models for the individual tests, the exponential model was identified as a good model for the pressure-life relationship. In addition to consistently providing good fit among the three tests, the exponential model was also consistent with field data (validation with over 10 years of field data) and demonstrated several characteristics that enable robust life predictions in a variety of scenarios.; In addition the research also used the process of Bayesian analysis to incorporate prior information from field and test data to bolster the results and increase the confidence in the predictions from the proposed model.
ID: 029051131; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (Ph.D.)--University of Central Florida, 2010.; Includes bibliographical references (p. 165-173).
Ph.D.
Doctorate
Department of Industrial Engineering and Management Systems
Engineering and Computer Science

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Torres, Perez Angel. "Tribological assessment of oil condition sensors for marine launching equipment." Thesis, Bournemouth University, 2011. http://eprints.bournemouth.ac.uk/18993/.

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Problems in hydraulic systems associated with hydraulic fluids are an important area of research. Time has proven that contamination control in hydraulic and lubricating systems are fundamental to reliability and performance. Contamination control is needed to guarantee the quality of the oil and machine reliability. Among the several condition monitoring techniques, oil and wear analysis are the most effective for contamination control in hydraulic equipment. An emerging maintenance philosophy is oil condition based maintenance, in which the active monitoring of oil parameters determines the machine health and the variable service intervals. This new maintenance philosophy requires sensor technology able to provide real time indicators of the status of the system.Nowadays, oil condition monitoring sensors are not a mature technology and their performance has not been widely assessed under controlled experimental conditions. This research explains the physical fundamentals of commercially available sensors and it discusses and evaluates their effectiveness under controlled experimental conditions.Tribology tests were performed for sliding contacts as they are the most predominant type of contacts within hydraulic systems. Results reveal that several characteristics of the sensors must be improved for a more meaningful output and for an earlier detection of abnormal trends which are typical indicators of the onset of faults.Finally, of all the future trends of oil condition monitoring sensors, the novel methodology to calculate the particle size distribution from ferrous debris density measurements is the most useful and important contribution to knowledge of this research. The proposed method when compared to current technology would bring a new type of particle counter that could break the technological size limitation of particle counters based on magnetometry (the most extended type in industrial and military machinery), leading to earlier fault detection. Improvements of this methodology would allow further development of low cost particle counters in the micrometer and submicrometer range which can be widely applied in many industrial processes and scientific disciplines.

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Collins, Micah Thomas 1975. "Modeling human-machine interaction in production systems for equipment design." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/80503.

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Arinez, Jorge Francisco. "An equipment design approach for achieving manufacturing system design requirements." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/88838.

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Gomez, Deny Daniel 1976. "Equipment design framework and tools to suport production systems design." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89271.

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Ambler, Charles Kirby. "Design of an underwater vertical glider for subsea equipment delivery." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/58391.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 113-115).
Delivery of subsea equipment and sensors is generally accomplished with unguided sinking platforms or powered autonomous underwater vehicles (AUVs). An alternative would be to augment existing platforms with navigation and guidance capability, enabling them to actively guide themselves to their destination, with minimal added complexity and power consumption. This defines a new class of AUV having 110 propulsion, which we call the Vertical Glider. This thesis investigates the challenges posed by this deployment concept, and describes in detail a prototype vertical glider that was built for initial tests. We explore through computer simulation the specific roles of various operating parameters, such as control gain, measurement noise, and process noise, on the overall vehicle performance. The prototype vehicle has been successfully pool-tested, and serves as a baseline platform for open water operations and multi-vehicle deployments.
by Charles Kirby Ambler.
S.M.

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Novo, Fabio da Mota Ferreira. "Condition monitoring based systematic modeling of equipment maintenance." Thesis, University of Macau, 2008. http://umaclib3.umac.mo/record=b1942840.

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Shukla, Ankur. "Image Based Flow Path Recognition for Chromatography Equipment." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-392105.

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The advancement in computer vision field with the help of deep learning methods is significant. The increase in computational resources, have lead researchers developing solutions that could help them in achieving high accuracy in image segmentation tasks. We performed segmentation of different types of objects in the chromatography instruments used in GE Healthcare, Uppsala. In this thesis project, we investigated methods in Computer vision and deep learning to segment out the different type of objects in instrument image. For a machine to automatically learn the features directly from instrument image, a deep convolutional neural network was implemented based on a recently developed existing architecture. The dataset was collected and preprocessed before using it with the neural network model. The model was trained with two different architecture Unet and Segnet developed for image segmentation. Both the used architecture is efficient and suitable for semantic segmentation tasks. Among different components to segment out in the instrument, there was a thin pipe. Unet was able to achieve good results while segmenting thin pipes with fewer data as well. Results show that Unet can act as a suitable architecture for segmenting different objects in an instrument even if we have only 100 images. Further advances can be done to improve the performance of the model by generating a better mask of the model and finding a way to collect more data for training the model.

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Capelle, Michael J. (Michael John). "Improving equipment performance through queueing model applications." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/38050.

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Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1995, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
Vita.
Includes bibliographical references (p. 73-74).
by Michael J. Capelle.
M.S.

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Liu, Yilu. "Power system equipment modeling based on wide frequency external impedance measurements /." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487675687172407.

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Li, Kuangmin. "Enhanced Distance Measuring Equipment Carrier Phase." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1416581585.

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MAHADEVAN, SANGEETHA. "AUTOMATED SIMULATION ANALYSIS OF OVERALL EQUIPMENT EFFECTIVENESS METRICS." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1092952160.

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Alcancia, Alwyn. "A System Approach to Satellite Test Equipment (STE) Readiness and Calibration Data Review." Digital Commons at Loyola Marymount University and Loyola Law School, 2011. https://digitalcommons.lmu.edu/etd/338.

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The objective of flawless execution for any manufacturing company is reached by having the right tools, people and processes. Starting with processes, people have to be disciplined to enable streamline execution of any plans. Within my job as a support person for a satellite development center, things move so quickly and dynamically that sometimes it is hard to keep up. I have experienced and encountered test delays due to anomalies because of test setup configuration errors. Calibration test data do not pass specifications due to lack of prior inspections or verifications. Attention to detail is not implemented in the process and quality of work has gone down. A System Approach to Satellite Test Equipment Readiness and Calibration Data Review is a process to minimize test phase anomalies by providing a guideline to help prepare necessary tools, people and processes. A structured flow of activities will encourage people to not skip a step in the process, therefore mitigating the risk of anomalies. A 30 day advance preparation is a suggested timeline. This is enough time to have recurring meetings with all departments involved to plan a successful test phase. The process provides flow charts of steps and actions needed to be taken before moving forward. In creating this guideline, I utilized the MIL-STD_ 499B Process for Systems Engineering by first receiving customer needs, requirements and objectives. Through an iterative process, I analyzed requirements and performed interface management and risk mitigations. I also applied the DODAF System Engineering Architecture in breaking down the current process and implementing improvements by understanding the involvement of other systems and people. In return, I was able to create a guideline and to provide a systems engineering approach to a satellite test phase preparation.

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Dissertations / Theses on the topic 'Equipment engineering'

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