Relevant bibliographies by topics / Tractors. eng

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Tractors. eng'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Tractors. eng"

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Calcante, Aldo, Massimo Brambilla, Carlo Bisaglia, and Roberto Oberti. "Estimating the Total Lubricant Oil Consumption Rate in Agricultural Tractors." Transactions of the ASABE 62, no. 1 (2019): 197–204. http://dx.doi.org/10.13031/trans.12803.

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Abstract. Lubrication effectiveness is of paramount importance for the durability of machine components and efficient transmission of power. In addition to reducing the wear and friction of moving parts, lubricants remove potentially damaging heat and impurities and reduce the oxidation and corrosion of components. In agricultural tractors, lubricant oils are used in the engine, transmission, hydraulic system, front and rear axles, steering, and braking systems. This means that a substantial amount of oil must be changed at regular intervals, as recommended by manufacturers. This leads to a si
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Haapala, Hannu. "User-Centred Design and Multi-Actor Approach in Agricultural Innovations – Case: Combi Drill Design." Agricultural Machinery and Technologies 13, no. 2 (2019): 15–19. http://dx.doi.org/10.22314/2073-7599-2018-13-2-15-19.

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Abstract.The author has shown that modern technologies do not always meet the expectations of farmers, and this may adversely affect the pace of innovation. It has been confirmed that the developers of agricultural equipment do not clearly understand the context of the use of products and identified the need to use a multi-factor approach: therefore, partners possessing specific knowledge in different areas should join efforts in project activities at all stages of innovation. (Research purpose) To prove that a user-centered design and a multi-factor approach in the development of agricultural
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Delavarpour, Nadia, Sulaymon Eshkabilov, Thomas Bon, John Nowatzki, and Sreekala Bajwa. "The Tractor-Cart System Controller with Fuzzy Logic Rules." Applied Sciences 10, no. 15 (2020): 5223. http://dx.doi.org/10.3390/app10155223.

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Post-planting operations (e.g., fertilizing, cover crop planting) with a tractor and towed cart in standing crop (e.g., corn) are challenging. Tractor and cart should be kept within a certain boundary region to avoid crop damage. An automatic guidance system on the tractor is the solution of the issue; however, tractor’s auto-guidance does not guarantee the cart clear and exact following of the tractor. There is insufficient research in automatic control of a towed cart. Therefore, this research was undertaken to design a controller to manage lateral and longitudinal positions of a tractor-tow
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Black, Clayton. "Answering for Bacchanalia: Management, Authority and the Putilov Tractor Program, 1928-1930." Carl Beck Papers in Russian and East European Studies, no. 1508 (January 1, 2002): 23. http://dx.doi.org/10.5195/cbp.2002.90.

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On September 25, 1930, Vasilii F edorovich Grachev was relieved of his post as director ofLeningrad's famous "Red Putilov" factory. He had assumed control of the plant in early 1926, when his predecessor was removed for participating in the Leningrad Opposition movement. Four and a half years later he, too, faced ignominy, in his case for falling short in his efforts to meet the challenge of producing 12,000 tractors in a single year. Things could have been worse for Grachev. In June his technical director, V. L. Sablin, in whose hands the day-to-day operation of the factory had been entrusted
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Gattamelata, Davide, Leonardo Vita, and Mario Fargnoli. "Machinery Safety and Ergonomics: A Case Study Research to Augment Agricultural Tracklaying Tractors’ Safety and Usability." International Journal of Environmental Research and Public Health 18, no. 16 (2021): 8643. http://dx.doi.org/10.3390/ijerph18168643.

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Occupational Health and Safety (OHS) in agricultural activities is an issue of major concern worldwide notwithstanding the ever stricter regulations issued in this sector. In particular, most accidents are related to the use of tractors and the main causes of this phenomenon are due to the lack of rollover protective structures (ROPSs). This happens especially when tractors are used in particular in-field operations that are characterized by limited clearances between tractor and crop rows so that farmers usually use tractors without ROPS (e.g., dismounting it). To solve such a problem, foldab
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Caffaro, Federica, Carlo Bisaglia, Maurizio Cutini, Margherita Micheletti Cremasco, and Eugenio Cavallo. "A method to evaluate the perceived ease of use of human-machine interface in agricultural tractors equipped with Continuously Variable Transmission (CVT)." Spanish Journal of Agricultural Research 15, no. 4 (2018): e0210. http://dx.doi.org/10.5424/sjar/2017154-10726.

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At the end of the 20th century the adoption of the Continuously Variable Transmission (CVT) was one of the disruptive technological advances in agricultural tractors. Several changes in the Human Machine Interface (HMI) of the tractor cab have been introduced to accommodate this technology. HMIs are known to raise issues about their ease of use; however, this topic has been under-investigated in the agricultural sector. The present study introduces a method to investigate the perceived ease of use of the HMI of agricultural tractors equipped with technological innovations. The HMI required to
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Fargnoli, Mario, and Mara Lombardi. "Safety Vision of Agricultural Tractors: An Engineering Perspective Based on Recent Studies (2009–2019)." Safety 6, no. 1 (2019): 1. http://dx.doi.org/10.3390/safety6010001.

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The high rate of injuries occurring in agricultural activities is of major concern in most countries, despite the ever-increasing efforts made at normative levels. In particular, the use of agricultural tractors is recognized as the most hazardous activity for farmers due to the large number of fatalities occurring every year. The aim of the present study was to investigate the recent developments in research activities dealing with tractor safety. For this purpose, a systematic literature review was carried out, taking into account engineering journal papers appearing in Scopus in the 2009–20
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Davcev, Zivko. "IMPACT OF THE NORM ON THE EXPLOITATION CHARACTERISTICS OF AGRICULTURAL MECHANIZATION IN THE REPUBLIC OF MACEDONIA." Applied Researches in Technics, Technologies and Education 16, no. 2 (2018): 84–89. http://dx.doi.org/10.15547/artte.2018.02.002.

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The paper describes the results obtained from the questionnaires of four groups of tractor drivers by age structure related to the relationship during the exploitation of tractors and agricultural machinery. However, remarks and their opinions were taken with recommendations which should and how to change in the modern way in the exploitation of agricultural mechanization. With a special aspect of handling, maintenance, seen from the expertise and age structure of the tractor drivers themselves. An important segment occupies the set norm and the personal income of the tractor drivers themselve
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Pentoś, Katarzyna, Krzysztof Pieczarka, and Krzysztof Lejman. "Application of Soft Computing Techniques for the Analysis of Tractive Properties of a Low-Power Agricultural Tractor under Various Soil Conditions." Complexity 2020 (January 10, 2020): 1–11. http://dx.doi.org/10.1155/2020/7607545.

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Considering the fuel consumption and soil compaction, optimization of the performance of tractors is crucial for modern agricultural practices. The tractive performance is influenced by many factors, making it difficult to be modeled. In this work, the traction force and tractive efficiency of a low-power tractor, as affected by soil coefficient, vertical load, horizontal deformation, soil compaction, and soil moisture, were studied. The optimal work of a tractor is a compromise between the maximum traction force and the maximum tractive efficiency. Optimizing these factors is complex and requ
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da Silva, Carlos, José Rodrigues de Sá, and Rafael Menegatti. "Diagnostic of Failure in Transmission System of Agriculture Tractors Using Predictive Maintenance Based Software." AgriEngineering 1, no. 1 (2019): 132–44. http://dx.doi.org/10.3390/agriengineering1010010.

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The expansion of services and technological equipment applied to the agribusiness sector grows year after year, e.g., tractors and agricultural machinery, which use systems shipped with sophisticated software that collaborate to aid, and optimize activities in the field. Maintenance of agricultural machinery, including tractors, is routine in the life of any farmer, especially the preventive and corrective maintenance. In this paper, the objective was to evaluate an alternative for the use of diagnostic software in the prediction of failures that may occur in the tractor clutch system. In this
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Dissertations / Theses on the topic "Tractors. eng"

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Leite, Fabrício 1975. "Construção de um inclinômetro para avaliar o efeito da declividade lateral no desempenho de tratores agrícolas /." Botucatu: [s.n.], 2007. http://hdl.handle.net/11449/101950.

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Resumo: Os tratores como fonte de potência, para o tracionamento e/ou acionamento de máquinas e implementos agrícolas dão origem a conjuntos motomecanizados, os quais têm sido utilizados de forma crescente na agricultura brasileira. Apesar do grande avanço tecnológico o aumento do número de tratores agrícolas trouxe aspectos positivos e alguns negativos, entre estes últimos destaca-se o surgimento de uma nova fonte de acidentes de trabalho, cuja importância é dada pelos danos físicos que causam ao operador. Em estudos realizados, desde a década de 70 do século XX até os dias atuais, de 85% em
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Alves, Gilmar Ferreira 1958. "Análise de confiabilidade aplicada aos ensaios de óleos lubrificantes para motores de tratores /." Botucatu : [s.n.], 2007. http://hdl.handle.net/11449/101760.

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Resumo: As análises de óleos lubrificantes de motores de tratores agrícolas são importantes como meio gerador de informações à manutenção mecânica e da racionalização quando da substituição dos mesmos. Porém, a confiabilidade da permanência destes óleos no cárter pode ser tratada de maneira formal através de métodos estatísticos. Foram utilizados dados referentes ao tempo, em horas, de uso dos óleos lubrificantes dos motores de dois grupos de tratores, marca Massey Ferguson, modelo 275 4x2. Os dados do primeiro grupo são oriundos de seis tratores onde foram obtidas setenta observações. Os do s
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Silva, André Luis da 1973. "Avaliação ergonômica dos controles e mostradores do posto de trabalho do operador de tratores /." Botucatu : [s.n.], 2006. http://hdl.handle.net/11449/90583.

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Resumo: O objetivo deste trabalho foi avaliar o posto de trabalho do operador de trator, utilizando dados antropométricos do perfil do trabalhador brasileiro para a análise dos controles e mostradores que os compõem. Como objeto da pesquisa, foram utilizados os tratores com potência média de 73.550 W. Foi realizado um levantamento do estado da arte em publicações pertinentes ao assunto, englobando o fator histórico do trator, a ergonomia, energia humana, posto de trabalho, antropometria, biomecânica, controles e manejos, dispositivos de informação, cores e contrastes, sistema CAD e as normas u
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Jesuino, Paulo Roberto 1956. "Desempenho de um trator agrícola em função do desgaste das garras dos pneus e das condições superficiais do solo /." Botucatu : [s.n.], 2007. http://hdl.handle.net/11449/90646.

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Resumo: Esse trabalho foi realizado com o objetivo de comparar o desempenho de um trator equipado com pneus diagonais novos e pneus diagonais desgastados, em três condições de superfície: pista com solo mobilizado, pista com cobertura vegetal e pista com solo firme. Foi utilizado o delineamento experimental em faixas, sendo que em cada faixa (pista) foram dispostos os tratamentos em blocos ao acaso, com um arranjo fatorial de 2x4, definidos pelos dois conjuntos de pneus diagonais (novos e desgastados) e quatro condições de deslocamento, distinguidas pela mudança de marcha do trator, totalizand
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Fernandes, João Cândido. "Atenuação dos níveis de ruídos em tratores agrícolas /." Bauru : [s.n.], 1996. http://hdl.handle.net/11449/116082.

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Resumo: Esta pesquisa analisou as diversas soluções para atenuar os níveis de ruído dos tratores e propor um projeto de redução do ruído na sua fonte. Para tal, se propôs projetar, executar e testar alterações em componentes mecânicos causadores de ruído nos tratores, fazendo com que esses níveis se enquadrem em valores considerados salubres. Todas alterações e ensaios foram executados num trator Massey Ferguson MF 290. Para a redução do ruído foram atacados as 3 fontes principais de ruído do trator : o sistema de exaustão de gases, a hélice do sistema de arrefecimento e o sistema de admissão
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Silva, Ciro Marcos. "Modelo computacional para dimensionamento de tratores, equipamentos e operações agrícolas /." Botucatu : [s.n.], 1996. http://hdl.handle.net/11449/90691.

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Orientador: Angelo Cataneo<br>Banca: Kléber Pereira Lanças<br>Banca: João Eduardo Guarnetti dos Santos<br>Resumo: O objetivo principal deste trabalho foi o desenvolvimento de um modelo computacional (sistema computadorizado), o qual permite o dimensionamento de tratores, equipamentos agrícolas e de operações agrícolas. Foram utilizados dados sobre tratores oferecidos no mercado brasileiro, criando-se um banco de dados contendo informações de marca, modelo, potência de ensaio, peso sem lastro, peso com lastro e tipo de tração, que serão utilizados pelo sistema computadorizado. Para análise dos
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Rossi, Marco Antônio 1963. "Análise ergonômica do ambiente de trabalho para operadores de tratores e colhedoras agrícolas /." Botucatu : [s.n.], 2007. http://hdl.handle.net/11449/101959.

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Orientador: João Eduardo Guarnetti dos Santos<br>Banca: Luiz Gonzaga Campos Porto<br>Banca: Marizilda dos Santos Menezes<br>Banca: Antonio Gabriel Filho<br>Banca: Jair Rosas da Silva<br>Abstract: The introduction of new technologies in plantation fields, such as the use of tractors machines for agricultural activities, brought some problems to operators. The purpose of this research is to analyze the tractors and harvesters agricultural operator’s working place in order to avoid security and health problems that the use of new technologies may bring to them. For this research, eight tractors a
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Fernandes, João Cândido. "Avaliação dos níveis de ruído em tratores agrícolas e seus efeitos sobre o operador /." Botucatu : [s.n.], 1991. http://hdl.handle.net/11449/101842.

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Orientador: Kléber Pereira Lanças<br>Banca: Carlos Antonio Gamero<br>Banca: Tomaz Caetano Ripoli<br>Banca: Luiz Malcolm Mano de Mello<br>Banca: Paulo Sérgio G. Magalhães<br>Resumo: Com o aumento da potência de seus motores, visando um melhor desempenho operacional, os tratores agrícolas tiveram um significativo acréscimo nos seus níveis de ruído, colocando os tratoristas entre os profissionais de maior porcentagem de perda de audição. Neste trabalho, objetivou-se quantificar os problemas ocupacionais da relação trator-operador, relacionados ao ruído. Assim, a presente análise divide-se em duas
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Corrêa, Ila Maria. "Desempenho operacional de pneus radiais e diagonais em função da pressão de inflação, da condição de superfície do solo e da condição de acionamento da tração dianteira /." Botucatu : [s.n.], 2000. http://hdl.handle.net/11449/101946.

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Orientador: Kleber Pereira Lanças<br>Banca: Sergio Hugo Benez<br>Banca: Carlos Antônio Gamero<br>Banca: Marcos Milan<br>Resumo: Os pneus radiais de baixa pressão, constituem uma das propostas tecnológicas para melhorar o contato entre o rodado e o solo, proporcionando melhor desempenho trativo ao trator, porém seu comportamento em condições nacionais é ainda pouco conhecido. Assim, o desempenho operacional de um trator agrícola foi estudado com dois tipos de pneumáticos (diagonal e radial de baixa pressão), com duas pressões de inflação (alta e correta/baixa), em duas condições de superfície d
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Barbosa, Ana Lúcia Paschoa Botelho Ferreira. "Biodiesel de mamona em trator agrícola na operação de preparo do solo /." Jaboticabal : [s.n.], 2007. http://hdl.handle.net/11449/88293.

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Orientador: Afonso Lopes<br>Banca: Carlos Eduardo Angeli Furlani<br>Banca: Gutemberg Pereira Dias<br>Resumo: Considerando-se o petróleo um recurso natural não-renovável, o Biodiesel apresenta-se como relevante alternativa de combustível, sendo ele renovável, biodegradável e podendo ser produzido a partir de gordura animal ou óleo vegetal transesterificado com álcool anidro, na presença de catalisador. O presente trabalho teve como objetivo avaliar o desempenho operacional e a opacidade da fumaça de um trator agrícola funcionando com Biodiesel de mamona, em operação de preparo de solo. O ensaio
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Books on the topic "Tractors. eng"

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Hobbs, J. R. The John Deere 30 series: End of the two cylinder era. Green Magazine, 1994.

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Board, United States National Transportation Safety. Charter bus/tractor-semitrailer rear-end collision near Carney's Point, New Jersey, September 29, 1986. National Transportation Safety Board, 1987.

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United States. National Transportation Safety Board. Charter bus/tractor-semitrailer rear-end collision near Carney's Point, New Jersey, September 29, 1986. National Transportation Safety Board, 1987.

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Hoffmann, Richard C. Fishers' craft and lettered art: Tracts on fishing from the end of the Middle Ages. University of Toronto Press, 1997.

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Karaa, Aziz. CHIR: L'infirmière en chirurgie digestive. 2nd ed. Lamarre, 1995.

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Roberts, Sally, Jai Trivedi, and Victor Duance. The intervertebral disc and the spine. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199533909.003.0004.

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Back problems are common in the general population, affecting approximately 80% of individuals at some time in their lives. It used to be thought that loading, activity levels, or certain types of activities (e.g. driving tractors or heavy goods vehicles) greatly influenced the incidence of back pain (Pope and Hansson 1992). However, the over-riding ‘risk factor’ for back pain in the general population is now known to be genetic (...
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Fink, John K. Upper Motor Neuron Disorders. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199937837.003.0031.

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Symptomatic disturbance of corticospinal and corticobulbar tracts (collectively, the upper motor neuron UMN) occurs in innumerable acquired central nervous system disorders including the consequences of trauma, hypoxia-ischemia, inflammation (e.g. multiple sclerosis), toxins (e.g. thiocyanate1 and specific organophosphorus compound toxicity2) and deficiencies (e.g. hypocupremia3 and vitamin B12 deficiency). Variable degrees of UMN disturbance frequently accompany degenerative disorders in which disturbance of another neurologic system results in the primary clinical. Neuropathologic studies ha
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Authority, Boston Redevelopment. South end development policy: preliminary demographic/socio-economic profile of the south end. 1990.

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Boston, Urban Gardeners Inc [BUG]. South end open space needs assessment. 1988.

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Steele, Michael Anthony. Tonka: I'm A Great Big Eighteen Wheeler: Soy Un Gran Camion De Dieciocho Ruedas (Tonka). Scholastic, 2004.

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Book chapters on the topic "Tractors. eng"

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Pajkrt, E. "Tractus genitalis." In Echoscopie in de verloskunde en gynaecologie. Bohn Stafleu van Loghum, 2016. http://dx.doi.org/10.1007/978-90-368-1451-5_18.

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Scruton, Roger. "The End of Education." In Untimely Tracts. Palgrave Macmillan UK, 1987. http://dx.doi.org/10.1007/978-1-349-09419-6_105.

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Willekes, C., A. B. C. Coumans, and I. Witters. "Tractus digestivus en buikwanddefecten." In Echoscopie in de verloskunde en gynaecologie. Bohn Stafleu van Loghum, 2016. http://dx.doi.org/10.1007/978-90-368-1451-5_15.

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Valencia, Rafael, and Juan Andrade-Cetto. "SLAM Front-End." In Springer Tracts in Advanced Robotics. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60603-3_2.

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Valencia, Rafael, and Juan Andrade-Cetto. "SLAM Back-End." In Springer Tracts in Advanced Robotics. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60603-3_3.

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Intven, M. P. W., M. T. A. van Iersel-Vet, and K. A. F. Kremer. "Tumoren van de tractus digestivus." In Medische beeldvorming en radiotherapie. Bohn Stafleu van Loghum, 2020. http://dx.doi.org/10.1007/16013_2020_16.

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van Nugteren, Koos. "Addendum: het tractus iliotibialis frictiesyndroom." In Onderzoek en behandeling van de knie. Bohn Stafleu van Loghum, 2008. http://dx.doi.org/10.1007/978-90-313-6588-3_7.

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Newman, Paul, Manjari Chandran-Ramesh, Dave Cole, et al. "Describing, Navigating and Recognising Urban Spaces - Building an End-to-End SLAM System." In Springer Tracts in Advanced Robotics. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14743-2_21.

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Guyot, Laurent, Pierre Seguin, and Hervé Benateau. "Kystes du tractus thyréo-glosse." In Techniques en chirurgie maxillo-faciale et plastique de la face. Springer Paris, 2010. http://dx.doi.org/10.1007/978-2-8178-0073-8_61.

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Florack, Luc, Rick Sengers, Stephan Meesters, Lars Smolders, and Andrea Fuster. "Riemann-DTI Geodesic Tractography Revisited." In Mathematics and Visualization. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56215-1_11.

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AbstractClinical tractography is a challenging problem in diffusion tensor imaging (DTI) due to persistent validation issues. Geodesic tractography, based on a shortest path principle, is conceptually appealing, but has not produced convincing results so far. A major weakness is its rigidity with respect to candidate tracts it is capable of producing given a pair of endpoints, showing a tendency to produce false positives (such as shortcuts) and false negatives (e.g. if a shortcut supplants the correct solution). We propose a new geodesic paradigm that appears to overcome these problems, making a step towards semi-automatic clinical use. To this end we couple the DTI tensor field to a family of Riemannian metrics, governed by control parameters. In practice these parameters may allow for edits by an expert through manual selection among multiple tract suggestions, or for bringing in a priori knowledge. In this paper, however, we consider an automatic, evidence-driven procedure to determine optimal controls and corresponding tentative tracts, and illustrate the role of edits to remediate erroneous defaults.
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Conference papers on the topic "Tractors. eng"

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VIESTURS, Dainis, Nikolajs KOPIKS, and Adolfs RUCINS. "RESEARCH ON THE DEVELOPMENT OF THE TRACTOR AND COMBINE FLEET IN LATVIA." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.183.

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The article offers an analysis of the development of the tractor and combine harvester fleet in 2001 - 2016. There are stated tractors and combines of the most common brands registered in the country. A methodology has been developed for the estimation of an adequate quantity of tractors and combines for timely cultivation of the sowing areas under agricultural crops. The methodology is based on the calculation of the annual increase in the summary engine capacity of the entire fleet of tractors and combine harvesters, and its comparison with the annual increase in the sowing areas. It is assu
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Motrevich, Vladimir. "Machine and Tractor Park of State Farms Eastern Siberia in the First Post-War Years (According to Consolidated Annual Reports)." In Irkutsk Historical and Economic Yearbook 2020. Baikal State University, 2020. http://dx.doi.org/10.17150/978-5-7253-3017-5.06.

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Changes in the number and structure of the machine and tractor fleet of state farms in Eastern Siberia in the 1946–1950–ies are investigated data on the productivity of tractors and combines and the volume of work performed by them are given. It is shown that in General, by the end of the fourth five–year plan, the state farm machinery and tractor fleet corresponded to its level on the eve of the war.
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Bietresato, Marco, Roberto Belotti, Karl D. von Ellenrieder, and Fabrizio Mazzetto. "A Preliminary Study of Active Stabilization for Agricultural Machines Using a Movable Mass." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11507.

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Abstract Side overturning is a potentially dangerous phenomenon that can easily happen to agricultural machines because they typically have a high center-of-gravity (CoG) and a very narrow track-width (e.g., tractors operating in orchards). Overturning occurs when the direction of the resultant of the forces acting on the vehicle CoG intercepts the support plane outside of the “support polygon”, defined by taking the footprints of the vehicle wheels as its vertices. Here, we propose the use of a stabilization system that shifts the CoG position to ensure that the resultant force stays within t
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Arote, Pravin, S. Sudarsanam, M. Muthuraman, and Prasad Kharade. "The dynamic stability index calculator for agricultural tractors equipped with front end loader." In 1ST INTERNATIONAL CONFERENCE ON ADVANCES IN MECHANICAL ENGINEERING AND NANOTECHNOLOGY (ICAMEN 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5123953.

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Nair, Anu R., Fred Barez, Ernie Thurlow, and Metin Ozen. "Method to Reduce Drag Coefficient for Fuel Efficiency in Semi-Truck Trailer and Trailer Stability." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86584.

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Heavy commercial vehicles due to their un-streamlined body shapes are aerodynamically inefficient due to higher fuel consumption as compared to passenger vehicles. The rising demand and use of fossil fuel escalate the amount of carbon dioxide emitted to the environment, thus more efficient tractor-trailer design becomes necessary to be developed. Fuel consumption can be reduced by either improving the driveline losses or by reducing the external forces acting on the truck. These external forces include rolling resistance and aerodynamic drag. When driving at most of the fuel is used to overcom
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Na, Sungsoo. "Engineering Tools for Studying Coordination Between Biochemical and Biomechanical Activities in Cell Migration." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53709.

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Cell migration is achieved by the dynamic feedback interactions between traction forces generated by the cell and exerted onto the underlying extracellular matrix (ECM), and intracellular mechano-chemical signaling pathways, e.g., Rho GTPase (RhoA, Rac1, and Cdc42) activities [1,2,3]. These components are differentially distributed within a cell, and thus the coordination between tractions and mechanotransduction (i.e, RhoA and Rac1 activities) must be implemented at a precise spatial and temporal order to achieve optimized, directed cell migration [4,5]. Recent studies have shown that focal a
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Subbaiyan, Prasanna Balaji, Abhay Kumar, Jaju Mayur, Balaramakrishna Nizampatnam, S. A. Bhanuprakash, and Dave Schneider. "Method Development to Virtually Validate Farm Tractor Skid for Front End Loader Application." In Symposium on International Automotive Technology 2019. SAE International, 2019. http://dx.doi.org/10.4271/2019-26-0080.

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Brickman, Dennis B., and Ralph L. Barnett. "Auger Elevator: Failure Modes and Effects Case Study." In ASME 1991 Design Technical Conferences. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/detc1991-0014.

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Abstract A fatal accident occurred when a right angle gear box on an auger elevator disintegrated freeing the outboard end of a rotating PTO shaft. The tractor, acting as a stationary power source, flailed the PTO shaft which then struck and killed a farmer. No similar occurrences have been reported for the nearly 2000 similar units which have been used for over a decade. This paper studies a number of fundamental failure modes in order to determine which failure modes created the accident. Systematic analysis showed that the accident was caused by unusual misuse of the product. Known safety c
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Margolis, Donald, and Taehyun Shim. "Instability Due to Interacting Hydraulic and Mechanical Dynamics in Backhoes." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33192.

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A backhoe is a tractor-like vehicle that has a hydraulically actuated bucket loader at the front and a hydraulically actuated backhoe shovel at the rear. The operator sits inside a canopy or cab that is mounted to the tractor chassis, and operates the hydraulic controls. The cab is typically isolated somewhat from the chassis using cab mounts. There are instances when the bucket is raised or lowered or wrapped that an instability of the entire machine is excited. In this mode, a frequency oscillation of the vehicle occurs and the operator is unable to keep his hands on the controls. This insta
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Tashmatova, Chinara, and Mehdi Nazarinia. "Effect of Truck-Trailer Gap on Boat-Tail Performance of a Heavy Vehicle: A Numerical Approach." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66857.

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This paper presents results obtained from a numerical investigation of various configurations of gap clearances for a truck model equipped with boat-tails. ANSYS FLUENT V14.5 was used to examine the flow around the vehicle and to obtain the drag coefficient reductions at a range of yaw angles of 0° to 20°. The vehicle had a streamlined front end and was scaled to 12% of a full size truck with no tractor-trailer gap modeled. The computational domain was calculated at Reynolds number of approximately 8 × 105. The numerical data obtained from the investigation yielded a best configuration of the
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Reports on the topic "Tractors. eng"

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Mederos Cuervo, Lilian María, Francisco Rodríguez Delgado, Olga Pomier Suárez, et al. Micobacteriosis en el tracto orofaríngeo en un paciente inmunocompetente. Siicsalud.com, 2016. http://dx.doi.org/10.21840/siic/152279.

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Rondinone, Cristina. Nuevo papel del tracto gastrointestinal en el desarrollo de enfermedades metabólicas. Sociedad Española de Bioquímica y Biología Molecular (SEBBM), 2012. http://dx.doi.org/10.18567/sebbmdiv_anc.2012.07.1.

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Leguizamón, Mariana Vanesa, Hernán Eiroa, Ana Clara Bernal, and Verónica Bindi. Hiperamoniemia secundaria a infección urinaria en paciente con malformación del tracto urinario en pediatría: a propósito de un caso. Siicsalud.com, 2017. http://dx.doi.org/10.21840/siic/155943.

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Farmer killed when tricycle tractor with front-end loader overturns. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2003. http://dx.doi.org/10.26616/nioshsface02ia056.

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Man, 29, died when tractor with front-end loader full of rocks overturned. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2006. http://dx.doi.org/10.26616/nioshsface05ia022.

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Farmer dies when tractor with front-end loader overturns in ditch and pins him. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2004. http://dx.doi.org/10.26616/nioshsface03mi103.

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Cattle ranch employee was fatally injured while moving a one ton bale of hay with a tractor mounted front end loader. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, 1990. http://dx.doi.org/10.26616/nioshsface90co007.

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Farmer died after being struck while seated on the tractor by an unrestrained rectangular haylage bale that fell out of an elevated front-end loader bucket that independently elevated. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2003. http://dx.doi.org/10.26616/nioshsface02mi029.

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A farmer was crushed when a round bale of hay, weighing 1,500 - 1,800 lbs., toppled off of an agricultural tractor equipped as a front-end loader with a fork attachment. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1999. http://dx.doi.org/10.26616/nioshsface99tx059.

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