Academic literature on the topic 'Pont de Wheatstone'

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Journal articles on the topic "Pont de Wheatstone"

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Atlas, Allan W. "Ladies in the Wheatstone Ledgers: The Gendered Concertina in Victorian England, 1835–1870." Royal Musical Association Research Chronicle 39 (2006): 1–235. http://dx.doi.org/10.1080/14723808.2006.10541013.

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Victorian England held firm convictions about which instruments were appropriate for middle- and upper-class women, whether professionals or well-bred amateurs. Conventional wisdom holds that, until the informal ban on women playing the violin began to loosen in the 1870s, only three instruments were deemed suitable: piano, harp, and guitar. There was, however, a fourth instrument to which women had recourse: the English concertina, developed by the physicist Charles Wheatstone circa 1830.This study looks at the 978 women for whom there are 1,769 transactions-about 12% of the total-recorded in
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Neale, Ashley, and James Hamilton. "Wheatstone Project." APPEA Journal 54, no. 2 (2014): 544. http://dx.doi.org/10.1071/aj13117.

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Background The $29 billion Wheatstone Project is one of Australia’s largest resource projects, located 12 km west of Onslow on the Pilbara coast of WA. Objective NewSat was selected to provide vital communication services to the Wheatstone Project as the supplier of the Operations Satellite System to deliver remote internet, voice, video, and data services for LNG operations, OH&S compliance, backup communications, and onsite staff welfare. A project as large and complex as the Wheatstone Project required a range of solutions to overcome multiple communication challenges due to the large a
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Sampaio, Carlos Augusto de P., Evandro Ferreira Passos, Gutemberg Pereira Dias, and Paulo César Correa. "DESENVOLVIMENTO E AVALIAÇÃO DE UM ANEMÔMETRO DE FIO QUENTE OPERANDO À TEMPERATURA CONSTANTE." Revista Brasileira de Engenharia Agrícola e Ambiental 2, no. 2 (1998): 229–34. http://dx.doi.org/10.1590/1807-1929/agriambi.v02n02p229-234.

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RESUMO Esta pesquisa teve como objetivo desenvolver um anemômetro de fio quente para operar à temperatura constante usando-se, como elemento sensível, filamento de tungstênio de lâmpada incandescente, como braço da ponte de Wheatstone. Um circuito eletrônico foi construído e testado, permitindo controlar a tensão no sensor e restaurar o equilíbrio da ponte de Wheatstone em processos de troca de calor pelo sensor. Os resultados mostraram que a corrente elétrica e a temperatura de operação do sensor, mediante compromisso entre vida útil e sensibilidade, foram de 160mA e 140°C, respectivamente; a
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Santos, Thomas Gomes dos, Carlos Roberto Cauduro, Alisson Da Silva Fernandes, and Luis Cielo Ciliato. "MEDIÇÃO DAS FORÇAS DE USINAGEM NO PROCESSO DE TORNEAMENTO ATRAVÉS DA MEDIDA DAS TENSÕES CISALHANTES." Revista Eletrônica Perspectivas da Ciência e Tecnologia - ISSN: 1984-5693 10 (August 6, 2018): 98. http://dx.doi.org/10.22407/1984-5693.2018.v10.p.98-109.

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Este trabalho teve por objetivo a implementação de um sistema capaz de medir forças de avanço e forças de corte sem interferir na resposta dinâmica. Isto foi conseguido instrumentando o próprio porta-ferramenta, e as deformações medidas por strain-gages ligados em circuito tipo ponte de Wheatstone para cada uma das forças, sendo a ligação feita de tal maneira que resultou em insensibilidade ao momento fletor, que é variável no porta-ferramentas e sensibilidade ao esforço cortante que é constante e origina deformações de cisalhamento. Assim, eventuais avanços ou recuos no posicionamento do port
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Souza, M. A. V. F., and S. F. Souza. "O Potencial da Ponte de Wheatstone para a Produção de Conhecimentos em Sistemas Lineares: Uma Situação Didática." Revista de Ensino de Engenharia 34, no. 2 (2015): 61–69. http://dx.doi.org/10.15552/2236-0158/abenge.v34n2p61-69.

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Sehah, Sehah, and Wahyu Tri Cahyanto. "PENGUJIAN DAYA HANTAR LISTRIK AIR TANAH DI SEKITAR TEMPAT PEMBUANGAN AKHIR GUNUNG TUGEL KABUPATEN BANYUMAS MENGGUNAKAN PRINSIP JEMBATAN WHEATSTONE." Molekul 4, no. 1 (2009): 39. http://dx.doi.org/10.20884/1.jm.2009.4.1.61.

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Electrical conductivity of groundwater have been measured in area about the final garbage dismissal place (TPA) of Gunung Tugel, Regency of Banyumas. Groundwater samples have been taken away from 104 point of groundwater sources which distributed around of the research area, consisted of well water, belik water and pump water. Then, water samples are tested in Electronics and Instrumentation laboratory, Faculty of Science and Technique, UNSOED use the Wheatstone bridge principle. Electrical conductivity of groundwater obtained, then mapped pursuant to position of samples points location, so th
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Home, R. W. "Essay Review: Post-Newtonian Optics: Optics after Newton: Theories of Light in Britain and Ireland, 1704–1840, Brewster and Wheatstone on Vision." History of Science 23, no. 2 (1985): 207–11. http://dx.doi.org/10.1177/007327538502300205.

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Kwon, Hyunseok, Yurim Park, Pratik Shrestha, and Chun-Gon Kim. "Application of silicon carbide fibers as a sensor for low-velocity impact detection and localization." Structural Health Monitoring 18, no. 5-6 (2018): 1372–82. http://dx.doi.org/10.1177/1475921718810398.

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In this study, silicon carbide fiber was proposed as a sensor for detection and localization of low-velocity impacts on composite structures. Semi-conductive silicon carbide fibers have excellent piezoresistivity and good mechanical properties, so their potential as a sensor for low-velocity impact detection and localization was investigated by attaching it on the surface of a composite panel. By measuring the resistance change of the silicon carbide fiber sensor due to low-velocity impacts on the composite material, impacts signals were obtained, and the resistance changes of the silicon carb
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Romen, Yu S., O. A. Suslov, and A. A. Balyaeva. "Determining the force of interaction in a wheel - rail system based on measuring stresses in rails neck." Vestnik of the Railway Research Institute 76, no. 6 (2017): 354–61. http://dx.doi.org/10.21780/2223-9731-2017-76-6-354-361.

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When implementing new or modernized rolling the train in most cases is in the range of 0.9-0.95 and varies de-stock, one of the main problems is the provision of both traffic pending on the position in the track of a group of wheelsets. The safety, and the strength of the carriage and the ways that are de-correlation level of the frame force measured in the carriage and termined by forces in the wheel - rail system. It is almost impossible the sum of lateral forces by its average values is 0.98. A practical to directly measure the forces of interaction between the crew and method for determini
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Dissertations / Theses on the topic "Pont de Wheatstone"

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Ferdiansyah, Teuku. "Design and characterization of a self-sensing cement-based composite." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30133.

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La possibilité d'utiliser les propriétés électriques du béton pour en faire un capteur intelligent capable de détecter de façon autonome des modifications de propriétés mécaniques ou physiques est un sujet très actuel. Cependant jusqu'à ce jour la tendance est d'introduire dans la matrice cimentaire des additions qui vont augmenter la conductivité du béton. La plupart des recherches décrites dans la littérature utilisent des fibres conductrices, à base par exemple de carbone et d'acier, et elles ont démontré une amélioration significative de la conductivité du béton, qui a également amélioré l
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Selmene, ep Ben Hassine Nissem. "Etude et développement de capteurs tactiles flexibles à détection harmonique vers la fonctionnalisation sensitive des surfaces." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSEM028/document.

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L’avènement des interfaces tactiles ouvre des perspectives d’enrichissement de l’interaction entre l’homme et la machine. Nous proposons un nouveau concept de surfaces tactiles souples dont l’objectif est d’étudier l’interaction entre le signal électrique et l’environnement résistif et diélectrique du support, afin de réaliser le système d’acquisition fournissant une information exploitable par la machine.La base technologique est un guide d’ondes sur substrat souple sur lequel le toucher crée une réflexion au port d’entrée. Nous avons développé une méthode de localisation alternative à la réf
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Baccar, Sahbi. "Etude et modélisation comportementale de « front-end » analogiques pour des environnements « fond de puits »." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14613.

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Cette thèse s’inscrit dans le domaine de la modélisation des circuits analogiques et mixtes.Le travail part d’une problématique industrielle concernant les circuits électroniques utilisés dansles systèmes de forage pétrolier pour des besoins d’instrumentation et mesures. Ce travail de recherche concerne les circuits du front-end analogique que nous trouvons dans cette application industrielle. Nous examinons et nous essayons de trouver des modèles pour décrire l’effet des hautes températures sur les circuits électroniques dans un forage pétrolier. Ces circuits font partie des circuits industri
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Oliveira, Roberto Teodoro Gurgel de. "Modelo de ashkin-teller de tr?s cores na rede ponte de wheatstone." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/16560.

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Made available in DSpace on 2014-12-17T15:14:51Z (GMT). No. of bitstreams: 1 RobertoTGO_DISSERT.pdf: 394069 bytes, checksum: fbb8faf7e24cc92335302e442b92ec43 (MD5) Previous issue date: 2010-02-22<br>Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico<br>In this work we study the phase transitions of the ferromagnetic three-color Ashkin-Teller Model in the hierarquical lattice generated by the Wheatstone bridge using real space renormalization group approach. With such technique we obtain the phase diagram and its critical points with respective critical exponents v. This model pres
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Santos, Felipe César Fonseca. "Projecto e construção de sensores de carga e deslocamento." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6810.

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Dissertação para obtenção do Grau de Mestre em Engenharia Mecânica<br>O presente trabalho tem como objectivo a concepção, implementação e calibração de dois sensores destinados a equipar uma máquina de ensaios de tracção e de compressão actualmente existente na FCT-UNL: um sensor de carga e outro de deslocamento. Com estes sensores pretendem-se obter valores mais precisos da extensão e da força axial (tracção ou compressão), nos provetes ensaiados, do que os obtidos com o equipamento já existente na máquina de ensaios. A construção dos sensores é conceptualmente simples, pois ambos consistem
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Almeida, Joana de Sousa. "Conversão das vibrações provenientes do vento em electricidade." Master's thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/11085.

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Dissertação para obtenção do Grau de Mestre em Energias Renováveis – Conversão Eléctrica e Utilização Sustentáveis<br>No presente trabalho foi estudada a viabilidade da utilização de transdutores piezoeléctricos para a recolha de energia proveniente das vibrações induzidas pelo vento através de uma viga em consola com um corpo oscilante na extremidade livre, segundo a oscilação de flexão induzida. Para esse efeito foi desenvolvido um protótipo de laboratório com três configurações diferentes de viga mais corpo oscilante. Em cada configuração foi colocado também, para além do transdutor piezo
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Martins, Rui Pedro Ribeiro. "Circuito para leitura e aquisição de dados de um sensor químico." Master's thesis, 2013. http://hdl.handle.net/1822/41963.

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Dissertação de mestrado integrado em Engenharia Eletrónica Industrial e Computadores<br>Esta dissertação apresenta o desenvolvimento de uma estrutura, base, capaz de ler, ou seja, fazer a aquisição de um sinal, proveniente de um sensor químico. A base pode adquirir sinal de um sensor químico que seja baseado na técnica resistiva bem como na técnica capacitiva. Para tal é constituído por dois circuitos em ponte, um baseado na ponte de Wheatstone para ler o sensor resistivo, e o outro na ponte capacitiva para ler sinais de sensores capacitivos. Possui posteriormente um bloco de acondiciona
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Books on the topic "Pont de Wheatstone"

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The Wheatstone Pond. Puffin Books, 1994.

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The Wheatstone Pond. Puffin Books, 1995.

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The wheatstone pond. Viking, 1993.

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The Wheatstone Pond. Mammoth, 2001.

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Book chapters on the topic "Pont de Wheatstone"

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You, Kok Yeow, Chia Yew Lee, Nadera Najib AL Areqi, Kim Yee Lee, Ee Meng Cheng, and Yeng Seng Lee. "Microwave Complex-Ratio-Measuring Circuits." In Advances in Computer and Electrical Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0117-7.ch003.

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This chapter reviews the microwave complex ratio measuring (MCRM) circuits which are used for complex reflection coefficient measurement. This MCRM circuit is relatively simple and cost-effective. There are various structures for the MCRM circuit, such as multi-probe transmission line circuits, five-port ring circuits, six-port hybrid coupler-based circuits, switched-reflector circuits, dual-generator circuits, and Wheatstone bridge-based circuits. Each structure of the circuits has its own advantages and disadvantages. In this chapter, the MCRM circuit calibration process has been described in detail.
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Conference papers on the topic "Pont de Wheatstone"

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Morscheck, Luke A., and John J. Roller. "Stress Testing of a New North American Passenger Locomotive Truck Frame in Accordance With International Union of Railways (UIC) Code." In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2426.

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MotivePower Incorporated (MPI) a Wabtec company and CTLGroup have completed stress testing of a new two-axle passenger locomotive truck (bogie) frame for use in North America. Testing was performed in accordance with International Union of Railways (UIC) Code 615-4 – Bogie Frame Structural Strength Tests [1]. Static testing was performed to simulate exceptional, main in-service and particular in-service loads. A three-phase dynamic fatigue test of 10 million cycles was also performed. Factors for quasi-static, dynamic and track twist (warp) loads were increased from those recommended by the UI
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