Agricultural Tractors
Mostrando 1-12 de 30 artigos, teses e dissertações.
-
1. ENERGY EFFICIENCY OF AGRICULTURAL TRACTORS EQUIPPED WITH CONTINUOUSLY VARIABLE AND FULL POWERSHIFT TRANSMISSION SYSTEMS
ABSTRACT The efficiency of agricultural tractor transmission has been improved over the years, with new concepts such as Continuously Variable Transmission (CVT) and Full Powershift (FPS) evolving in advanced technologies. Both options seek to offer the farmer greater operational results with lower energy expenditure, necessitating studies to assess the effe
Engenharia Agrícola. Publicado em: 2022
-
2. OPERATIONAL AND ENERGY PERFORMANCE OF 250 kW DOUBLE WHEELED VERSUS RUBBER HALF-TRACKED TRACTORS IN THE SOYBEAN SOWING
ABSTRACT The technological innovation in agriculture seeks to improve the performance of mechanized assemblies and, currently, rubber half-tracks are a valuable solution for agricultural tractors, combining traction performance and less soil compaction. The objective of the experiment was to evaluate the operational and energy performance of double wheeled v
Eng. Agríc.. Publicado em: 2020-10
-
3. INTERFERENCE OF THE NUMBER OF REMOTE CONTROL VALVES IN USE ON THE ENERGY PERFORMANCE OF AN AGRICULTURAL TRACTOR WITH PRODUCTIVITY MANAGEMENT
ABSTRACT The hydraulic remote control system allows the transfer of energy from the engine through a flow of hydraulic oil to engines and implements pulled by agricultural tractors, which can interfere with its energy and operational performance. This study aimed to evaluate the interference of the number of remote control valves in use on the operational an
Eng. Agríc.. Publicado em: 2020-06
-
4. Whole body vibration in operators using agricultural soil preparation equipment
RESUMO: A utilização de tratores agrícolas tem causado efeitos negativos na saúde do operador. Faz-se necessário que no projeto de uma máquina agrícola sejam levados em consideração fatores humanos, para aumentar a segurança e melhorar a qualidade de trabalho. O objetivo do presente trabalho foi avaliar a transmissibilidade da vibração em equipa
Cienc. Rural. Publicado em: 21/10/2019
-
5. ERGONOMIC AND SAFETY CONDITIONS ASSESSMENT OF TRACTORS USED BY SMALLHOLDERS ACCORDING TO BRAZILIAN LEGISLATION AND CURRENT STANDARDS
ABSTRACT This article aimed to select items with which to evaluate the ergonomic and safety conditions in tractors used by smallholders and family farmers, based on standardization research and legislation for the sector. Brazil has a comprehensive set of technical standards and legislation for the agricultural machinery sector intended to guarantee product
Eng. Agríc.. Publicado em: 19/06/2019
-
6. Reduction of fuel consumption using driving strategy in agricultural tractor
RESUMO No momento da aquisição e utilização de um trator agrícola, o consumo de combustível pelo motor deve ser levado em conta pelo usuário, tendo em vista sua origem não renovável e o preço de comercialização. Estratégias adequadas de condução de tratores podem auxiliar os usuários a reduzirem os custos de produção. Nesse contexto, objeti
Rev. bras. eng. agríc. ambient.. Publicado em: 2019-02
-
7. PERFORMANCE AND EMISSION OF POLLUTANTS OF AN AGRICULTURAL ENGINE WITH TWO POWER TAKE-OFF SETTINGS
ABSTRACT Farming operations are usually performed implements driven by a power take-off (PTO) from tractors. Some manufacturers offer PTO settings named as economic (540E). Such configuration drives implements at lower tractor’s engine rotation, thus providing lower fuel consumption. An engine performance using standard (540) or 540E settings are different
Eng. Agríc.. Publicado em: 2017-04
-
8. Fuzzy control applied to an electrical power generation system mounted on tractors for driving of agricultural implements
ABSTRACT The demand of the agricultural sector for more operationally efficient machines and implements motivated the development of alternatives for driving of this equipment. Aiming an electrical supply to apply in agricultural implements, this study proposes a system that uses the tractor power take off to activate a synchronous generator, using a fuzzy l
Eng. Agríc.. Publicado em: 2016-10
-
9. O comportamento dos custos de produção do café arábica em relação a venda de máquinas agrícolas no estado de Minas Gerais
Brazil stands out on the world stage with regard to the marketing of agricultural products, ranking third in the world rankings when it comes to exports, according to the World Trade Organization - WTO (2011). The agricultural sector is the second-level employment in the country, according to the Brazilian Institute publishes Economic Geography - IBGE (2011)
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/04/2012
-
10. ESTIMATIVA DO DESEMPENHO DE TRATORES AGRÍCOLAS EM CAMPO E PISTA A PARTIR DO ENSAIO DINAMOMÉTRICO / ESTIMATE OF THE PERFORMANCE OF AGRICULTURAL TRACTORS IN FIELD AND TRACK FROM DYNAMOMETRIC TESTS
O trator agrícola permite movimentar e tracionar máquinas e implementos utilizados durante a realização das atividades a campo. Um dos maiores problemas refere-se ao desempenho do trator, razão de muitos questionamentos entre agricultores e empresas fabricantes. A determinação do desempenho é uma tarefa bastante complexa, principalmente quando realiz
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 22/03/2012
-
11. ANÁLISE DE DESEMPENHO EM TRAÇÃO DE RODADO SIMPLES E DUPLO EM UM TRATOR AGRÍCOLA / ANALYSIS OF TRACTION PERFORMANCE OF SINGLE AND DUAL TIRES IN AN AGRICULTURAL TRACTOR
A major problem of agricultural tractor during several operations in which it is used is the difficulty of working in various moisture conditions and soil types affect your ability to traction force, slip and fuel consumption. What has been observed is that with increased contact surface between the tire of the tractor and the ground, there is the possibilit
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/03/2011
-
12. Alteração do campo visual em função do uso de cabinas em tratores agrícolas
Com o objetivo de avaliar a alteração do campo visual de um trator, ocasionada pela instalação de uma cabina, foram determinadas as áreas de visibilidade nula em função da presença ou não da mesma, para cada campo visual. Os procedimentos adotados basearam-se na norma ISO 5721-1981 - Agricultural tractors - Operator's field of vision. A cabina aumen
Engenharia Agrícola. Publicado em: 2011-04