Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"fieldbus"”.
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Implementation of Fieldbus Networks in Factory Automation
… a serial communication system which is known as fieldbus. <br/><br/>The work described in this thesis is a study of some of the commonly used industrial networks, in particular Highway Addressable Remote Transducers (HART), Controller Area Network (CAN), Foundation Fieldbus, and Process Fieldbus …
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Physical Layer Fault Tolerance for Foundation Fieldbus Network
… all-digital communications protocol FOUNDATION Fieldbus offers a wide range of benefits to process control systems through data reliability, diagnostics, interoperability, and distribution of controls to an unprecedented level. However, lack of media redundancy on its H1 networks can compromise …
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Selection of a device level fieldbus for the paper converting industry
Fieldbus concepts were initially developed in the mid-1980's with wider acceptance starting in the 1990's - prompted by the advances in technology and ever increasing numbers and diversity of industrial specific products being introduced. This growing trend towards open fieldbuses and its …
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An investigation into fieldbus and its incorporation in the design of an electronic flowmeter
… potential inherent in this new breed of sensors. Fieldbus was conceived as an alternative to these traditional methods, providing a rapid, digital transmission system with the facilities to allow complex networks to be designed, run and maintained efficiently. This study provides a basic insight …
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Uma estratégia para controle e supervisão de processos industriais via Internet
… é constituído de uma Planta Piloto Foundation Fieldbus e sua posterior disponibilização para a Internet Neste trabalho é apresentada sua fundamentação teórica, sua aplicabilidade na área de automação industrial e controle, baseando-se no protocolo de comunicação industrial, o Foundation …
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Proposta de ferramenta para validação temporal em barramentos de campo
… protocolo de barramento de campo, o Foundation Fieldbus. A proposta inclui a especificação de requisitos e a visualização da validação. Pretende-se auxiliar a compreensão do comportamento temporal e possibilitar a depuração de sistemas tempo-real distribuídos. O sistema desenvolvido encontra-se …
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A Synchronous Distributed Digital Control Architecture for High Power Converters
… in Chapter 2 in the areas of power electronics, fieldbus control networks, and digital design. A universal controller is proposed as a solution to the hardware independent control of these converters. Chapter 3 discusses how the controller was specified, designed, implemented, and tested. The …
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Motion control and real-time systems: an approach to trajectory rebuilding in non-deterministic networks
… and man-machine interfaces is commonly called fieldbus. Since the motion transmission is now task of the communication system, and not more of kinematic chains as in the past, the communication protocol must assure that the desired profiles, and their properties, are correctly transmitted to …
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Time Sensitive Networking for Wi-Fi Based Wireless Industrial Environments
… resources, and, chiefly, reliability. Several fieldbus technologies are specially placed for this. Their commonality is that they run on standard Ethernet. The relatively new Time Sensitive Networking (TSN) is among these technologies. It is a set of Ethernet standards that guarantees …
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Development of monitoring applications for refrigerated perishable goods transportation
… were identified: RFID, WSN, chemical sensing and fieldbus networks. The experimental work about RFID has been focused to the adaptation of miniaturized semi-passive temperature loggers for monitoring refrigerated shipments by truck. This study included an analysis of the amount of local …
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Control Network Performance Engineering
Beim Entwurf großer Netzwerke der Automation ermöglichen Methoden der Leistungsbewertung den Test und die Dimensionierung eines Netzwerkes bereits vor der Inbetriebnahme und erlauben damit einen effizienten, qualitätsorientierten Entwurf. Es ist jedoch sehr wissensintensiv und aufwendig, …