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Dissertations / Theses on the topic 'Computer numerical control systems (CNC)'

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1

Moore, Robert Keith. "Computer aided programming of a CNC lathe." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25123.

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A software package and associated hardware have been developed which gives users of the ORAC CNC Training Lathe an easier and faster method of manufacturing on the lathe. The package, entitled ORACAP, uses the computing power of a mini-mainframe computer, a VAX 11/750, to assist in part design, program generation, program optimization, and program proving for the ORAC Lathe. The package is designed for users unfamiliar with computers such as students in an educational institute or workers in a production facility and uses command procedures to simplify the preparation and execution of the modu
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2

Yevsieiev, V., and N. Demska. "Analysis of Methods of Control of CNC Machines in Cyber-Physical Production Systems." Thesis, European Scientific Platform, 2021. https://openarchive.nure.ua/handle/document/20289.

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It is determined that the best option for the machine control system with CNC in the creation of cyber-physical production systems for Smart Manufacturing - are intelligent control systems that allow you to reflect physical processes in digital prostrate in real time, which is a key requirement in Ops 4.0 concepts
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3

Du, Plooy Elsje. "3-D Computer-aided Design (CAD) and Computer Numerical Control (CNC) milling : An alternative to traditional ceramics master moulding technology." Thesis, Bloemfontein: Central University of Technology, Free State, 2014. http://hdl.handle.net/11462/236.

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Thesis (M. Tech. (Design and Studio Art)) -- Central University of Technology, Free State, 2014<br>This quantitative research project investigates the utilization of emerging technologies within the arts with a view on establishing an interdisciplinary approach between ceramics and engineering. The traditional manufacturing method of producing master moulds is a time-consuming process for the studio ceramicist. This study explores whether computer-aided design (CAD) and computer numerical control (CNC) milling can accelerate the design and manufacturing process when developing master moulds
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4

Austin, Andrew. "Process Capability in a Computer Integrated Manufacturing Cell." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1322.

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With the rise of automation in traditional manufacturing processes, more companies are beginning to integrate computer integrated manufacturing (CIM) cells on their production floors. Through CIM cell integration, companies have the ability to reduce process time and increase production. One of the problems created with CIM cell automation is caused by the dependency the sequential steps have on one another. Dependency created by the previous step increases the probability that a process error could occur due to previous variation. One way to eliminate this dependency is through the use of an
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5

Karyagina, Marina. "Life cycle cost modelling for fault-tolerant CNC architectures." Thesis, Queensland University of Technology, 1998.

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6

Quesada, Robert E. "Alternative assessment of computer numerical control (CNC) machine tool students." Online version, 1999. http://www.uwstout.edu/lib/thesis/1999/1999quesada.pdf.

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7

Ebrahimi, S. Morteza K. "Dynamic modelling and simulation of a CNC milling machine." Thesis, Cardiff University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287909.

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8

Statham, Craig G. "An open CNC interface for intelligent control of grinding." Thesis, Liverpool John Moores University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313100.

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9

Barrow, Abigail Anne. "Acquiring technological capabilities : the CNC machine tool industry in industrialising countries, with special reference to South Korea." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/19163.

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10

Torres-Chazaro, Octavio F. "Design and evaluation of CNC-user interfaces." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/39787.

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11

Rahbary, Asr M. A. "Computer assisted machine tool part-program optimisation." Thesis, Coventry University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279418.

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12

Kochan, Detlef. "Die TU Dresden als eine Keimzelle der Digitalisierung im Maschinenbau: Aktivitäten und Erfahrungen in der deutsch-deutschen und internationalen Zusammenarbeit von 1960 bis 2020." Prof. Dr. Detlef Kochan, 2021. https://slub.qucosa.de/id/qucosa%3A74429.

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Von Beginn der flexiblen Automatisierung mit numerisch gesteuerten Werkzeugmaschinen und der zugehörigen Programmier-Software bis zum gegenwärtigen Entwicklungsstand (Industrie 4.0) wird die historische Entwicklung von 1960 bis 2020 aus der Position eines aktiven Mitgestalters dargestellt. Interessanterweise vollzogen sich die wesentlichen Entwicklungsetappen für die ersten dreißig Jahre parallel in beiden deutschen Staaten. Aus den Lehren des Zweiten Weltkrieges wurden im Rahmen der UNESCO zum friedlichen Informationsaustausch geeignete wissenschaftliche Organisationen gegründet: • IFIP (Inte
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13

Grėbliūnas, Giedrius. "Dviejų koordinačių programinio valdymo sistemos tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140619_092318-81134.

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Baigiamojo darbo tikslas – dvikoordinačiui įtaisui suprojektuoti skaitmeninio programinio valdymo sistemą bei ištirti jos veikimą. Šio darbo įvadinėje dalyje suformuluojamas darbo tikslas ir uždaviniai, taip pat aptariamas temos aktualumas. Literatūros analizės dalyje analizuojami straipsniai, kuriuose pateikti naujausi skaitmeninio programinio valdymo įrengimų programavimo metodai ir tendencijos. Teorinėje dalyje sudaroma sistemos funkcinė ir principinė elektrinė schemos, sukuriamas sistemos kompiuteris modelis bei programinė įranga. Tiriamojoje dalyje vykdomas sistemos imitavimas, patikrinam
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14

Cristo, Edinara Filipiak de. "IMPLEMENTAÇÃO DE TÉCNICAS DE CONTROLE DE MOTOR DE PASSO EM APLICAÇÕES CNC." Universidade Federal de Santa Maria, 2009. http://repositorio.ufsm.br/handle/1/8098.

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The objective of this work is to develop a methodology to control of equipments powered by stepping motors, via the computer parallel port, with up to three programmable axes, for use in automated processes. To implement the proposed system, used to be an environment for developing computer programs, which could make communication with the computer's parallel port for data transfer control circuits to drive the stepping motors. The program developed has the following functions: priority for implementing the process in the microcomputer operating system, interpretation of sequences of planned o
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15

Harbs, Eduardo. "CNC-C2: um controlador aderente às normas ISO 14649 E IEC 61499." Universidade do Estado de Santa Catarina, 2012. http://tede.udesc.br/handle/handle/1861.

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Made available in DSpace on 2016-12-12T17:38:31Z (GMT). No. of bitstreams: 1 Eduardo Harbs.pdf: 12792734 bytes, checksum: b505810b68894ae2924a805e7f89d032 (MD5) Previous issue date: 2012-10-09<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The industry has found difficulties towards CNC machines flexibility, due to the CNC programming current standard, the ISO 6983 or G/M code. The ISO 14649 or STEP-NC was developed to replace the current standard. It is a new unified data transfer model between CAD/CAM and CNC systems. To satisfy the new automation and control systems req
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16

Ємельяненко, Сергій Сергійович, Сергей Сергеевич Емельяненко, Serhii Serhiiovych Yemelianenko та Ю. В. Овчарова. "Исследование кинематики станков, основанных на механизмах с параллельной структурой". Thesis, Изд-во СумГУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/5492.

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17

Braginton, Pauline. "Taxonomy of synchronization and barrier as a basic mechanism for building other synchronization from it." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2288.

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A Distributed Shared Memory(DSM) system consists of several computers that share a memory area and has no global clock. Therefore, an ordering of events in the system is necessary. Synchronization is a mechanism for coordinating activities between processes, which are program instantiations in a system.
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18

Almeida, Sergio Luis Rabelo de. "Modulo computacional, baseado em redes neurais, para a força de corte e para a rugosidade, em torneamento." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264227.

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Orientador: Olivio Novaski<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-07T14:11:27Z (GMT). No. of bitstreams: 1 Almeida_SergioLuisRabelode_D.pdf: 2212505 bytes, checksum: b547ce8e7c1a1faea1a6c7468054f32f (MD5) Previous issue date: 2006<br>Resumo: Os softwares CAM existentes hoje no mercado permitem facilmente automatizar a geração de programas em linguagem CNC a partir de um modelo CAD. As trajetórias da ferramenta são calculadas respeitando-se a geometria final da peça. No entanto, estes programas, em geral
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19

Štrimaitis, Mantas. "Liejimo slegiant formų projektavimo, gamybos technologinio paruošimo ir gamybos problemų analizė ir sprendimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2009. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2009~D_20090623_110855-78181.

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Baigiamajame magistro darbe nagrinėjamos liejimo slegiant formų projektavimo, ga-mybos technologinio paruošimo bei gamybos proceso problemos ir aptariami novatoriški jų sprendimo būdai. Apžvelgiami plastinių medžiagų perdirbimo procesai. Analizuojamas tradi-cinis liejimo slegiant formų gamybos procesas ir jo trūkumai. Pateikiami organizaciniai ir te-chniniai tradicinio gamybos proceso tobulinimo būdai, panaudojant naujausią programinę įrangą, įrankius, medžiagas ir stakles. Tiriamojoje dalyje atliekamas ruošinio parinkimo įtakos liejimo formos detalių savikainai modeliavimas. Išanalizavus visa
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20

Oliveira, Alisson Antônio de. "Estudo e implementação de operações em ponto fixo em FPGA com VHDL 2008: aplicação em controle de sistemas em tempo discreto." Universidade Tecnológica Federal do Paraná, 2012. http://repositorio.utfpr.edu.br/jspui/handle/1/473.

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Existem máquinas que necessitam de uma grande velocidade de processamento para seu correto trabalho, essas máquinas possuem um tempo de processamento de resposta crítico. Quando considera-se este aspecto somado à necessidade de um controle do comportamento estático e dinâmico de um sistema chega-se ao controlador com fortes demandas de tempo de execução. Essa dissertação compara controladores discretos implementados em ponto fixo, com diferentes precisões, usando para tanto a simulação do comportamento de controladores confeccionados em linguagem de comandos Matlab e em linguagem VHDL 2008. E
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21

Rabie, Osama Bassam J. "Developing a Cyberterrorism Policy: Incorporating Individual Values." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5549.

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Preventing cyberterrorism is becoming a necessity for individuals, organizations, and governments. However, current policies focus on technical and managerial aspects without asking for experts and non-experts values and preferences for preventing cyberterrorism. This study employs value focused thinking and public value forum to bare strategic measures and alternatives for complex policy decisions for preventing cyberterrorism. The strategic measures and alternatives are per socio-technical process.
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22

Neto, Acendino Alves da Silva. "Technological evolution in machining processes with CNC machines in the context of the concept of Industry 4.0." Master's thesis, 2018. http://hdl.handle.net/1822/57285.

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Dissertação de mestrado em Industrial Engineering<br>The work related to the project of this dissertation will consist of an analysis of the technological evolution of the machining processes with CNC (Computer Numerical Control) machines regarding the new concept of Industry 4.0. The concept fits into the current transformation process for the fourth industrial revolution, such as integrated Cyber-Physical Systems (CPS) within the manufacturing processes using the Internet of Things (IoT) in industrial processes. Faced with technological advances, the processes of Industrial Engineering in ma
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23

Berggren, Martin. "Optimal control of time evolution systems: Controllability investigations and numerical algorithms." Thesis, 1995. http://hdl.handle.net/1911/16937.

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Optimal control problems for partial differential equations of evolution, mostly of parabolic type, are considered. The means of control are a nonhomogeneous boundary condition or forcing term. A hierarchical control problem is shown to be equivalent to two coupled linear least-squares problems and is solved using numerical methods involving the Singular Value Decomposition. This is an effective computational approach for linear, time-invariant equations if the dimension of the discrete problem is not too large. Sufficient conditions for convergence of the solution of the discrete control prob
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24

Lin, Jiunn-Ann, and 林俊安. "A Case Study of CNC (Computer Numerical Control) Mechinery Industry in Taiwan –A Study based on Data Mining Method." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/51196303925976351099.

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碩士<br>雲林科技大學<br>企業管理系碩士班<br>97<br>This study’s purpose is to analyze the statue of Taiwan ‘s CNC (Computer Numerical Control) mechinery industry in product life cycle, then to conclude the strategy referring to the statue. Based on the data mining method to research and to analyze the keyword in the 2000 to 2007 news reports.by the association degrees to find the change of Taiwan ‘s CNC mechinery industry. Conclude the referring strategy after joined WTO and the rise of mainland China’s machinery industry. This study cocluded there is no frequent reports for single or seldom companies, CNC me
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25

Huang, YU-JU, and 黃玉如. "Computer Numerical Control Wire Electrical Discharge Machining (CNC Wire EDM) Process Design and Planning – A Case Study of C Company." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/55498235825351424245.

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碩士<br>國立高雄應用科技大學<br>工業工程與管理系<br>100<br>Accumulation and application of knowledge and experience is the most important part of process design and planning. Computer Numerical control wire electrical discharge machining (CNC Wire EDM) is one of important machining method in Precise Manufacturing. Professional machining technology and skill, and properly planned and designed manufacturing process, is the key of accomplishing a high quality and high value work piece. If the professional skill and accumulated experiences of engineers can be preserved and used efficiently, it must be an important so
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Mathew, Mary. "Conceptualization And Measurement Of Techno-Oraganizational Change Using Path Analysis : A Quasi Experiment For CNC Technology." Thesis, 1995. https://etd.iisc.ac.in/handle/2005/1871.

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27

Mathew, Mary. "Conceptualization And Measurement Of Techno-Oraganizational Change Using Path Analysis : A Quasi Experiment For CNC Technology." Thesis, 1995. http://etd.iisc.ernet.in/handle/2005/1871.

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28

Seguin, Emmanuel J. "Low Cost Fpga Based Digital Beamforming Architecture for Casa Weather Radar Applications." 2010. https://scholarworks.umass.edu/theses/449.

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Digital beamforming is a powerful signal processing technique used in many communication and radar sensing applications. However, despite its many advantages, its high cost makes it a less popular choice than other directional antenna options. The development of a low cost architecture for digital beamforming would make it a more feasible option, allowing it to be used for a number of new applications. Specifically, the Collaborative, Adaptive Sensing of the Atmosphere (CASA) project’s Distributed Collaborative Adaptive Sensing (DCAS) system, a low cost weather radar system, could benefit f
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