Amaury Paulo de Souza
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View article: Influence of Harvester and Forwarder operator experience on forest harvesting activities in northeast Brazil
Influence of Harvester and Forwarder operator experience on forest harvesting activities in northeast Brazil Open
The forestry sector has experienced continuous growth in investments and technological innovations, particularly in harvesting operations, which have been significantly enhanced by these advancements. In this context, the systematic monito…
View article: Parâmetros técnicos, econômicos e ambientais de máquinas florestais em função de configurações do motor e bomba hidráulica
Parâmetros técnicos, econômicos e ambientais de máquinas florestais em função de configurações do motor e bomba hidráulica Open
The objective of this research was to quantify the technical, economic and environmental parameters of forest machines operating in different motor and hydraulic pump configurations.The harvester has been configured to operate at engine sp…
View article: INFLUENCE OF PUMP PRESSURE AND ENGINE SPEED ON ERGONOMIC PARAMETERS OF FORWARDER OPERATORS
INFLUENCE OF PUMP PRESSURE AND ENGINE SPEED ON ERGONOMIC PARAMETERS OF FORWARDER OPERATORS Open
Reducing engine speed and pressure of forest machine hydraulic pumps may be a strategy to achieve a reduction in fuel costs. However, this approach can positively or negatively affect the ergonomic parameters of the operators, in particula…
View article: EVALUATION OF FORWARDER WOOD EXTRACTION COST OF OPERATION
EVALUATION OF FORWARDER WOOD EXTRACTION COST OF OPERATION Open
The objective of this study was to determine the costs of the activity of timber extraction done by forwarders until approximately 30,000 work hours. We used 7 John Deere forwarders, model 1710D with 160 kW engine power. A database provide…
View article: Technical, Economic, and Environmental Parameters of Excavator-Based Harvester in Function of Engine Speed and Hydraulic Pump Flow
Technical, Economic, and Environmental Parameters of Excavator-Based Harvester in Function of Engine Speed and Hydraulic Pump Flow Open
Excavators-based harvesters are self-propelled forestry tractors that normally operate at maximum engine speed. This results in maximum hydraulic pump flow regardless of operating conditions. The objective of this work was to quantitativel…
View article: Postural analysis and repetitive motions of skidder operators in wood extraction
Postural analysis and repetitive motions of skidder operators in wood extraction Open
Mechanized wood harvesting work may present risks to the operator's health.Thus, wood harvesting operations should be evaluated in relation to the postures adopted by operators and the repetitive motions of their upper limbs.The aim of thi…
View article: Variabilidade espacial de clones de Eucalipto em função do preparo de solo e adubações
Variabilidade espacial de clones de Eucalipto em função do preparo de solo e adubações Open
Para estimar a produtividade de povoamentos florestais pode ser empregada a geoestatística com a finalidade de descrever o padrão da variabilidade espacial, que permite observar e explicar os locais de maior produtividade. E necessário def…
View article: INFLUENCE OF PUMP PRESSURE AND ENGINE SPEED ON ERGONOMIC PARAMETERS OF FORWARDER OPERATORS
INFLUENCE OF PUMP PRESSURE AND ENGINE SPEED ON ERGONOMIC PARAMETERS OF FORWARDER OPERATORS Open
Reducing engine speed and pressure of forest machine hydraulic pumps may be a strategy to achieve a reduction in fuel costs. However, this approach can positively or negatively affect the ergonomic parameters of the operators, in particula…
View article: Níveis de ruídos em diferentes postos de trabalho em uma colhedora de tomate industrial
Níveis de ruídos em diferentes postos de trabalho em uma colhedora de tomate industrial Open
O uso das máquinas agrícolas apresenta limitações quando analisamos a interação máquina-homem relacionadas à ergonomia e segurança de máquinas agrícolas. A exposição excessiva a determinados níveis de ruídos em uma jornada de trabalho acim…
View article: ESTIMATIVA DE VARIÁVEIS ANTROPOMÉTRICAS DE TRABALHADORES FLORESTAIS DE COLHEITA MECANIZADA
ESTIMATIVA DE VARIÁVEIS ANTROPOMÉTRICAS DE TRABALHADORES FLORESTAIS DE COLHEITA MECANIZADA Open
Conhecer a antropometria é fundamental para o dimensionamento adequado do espaço e das ferramentas de trabalho. Dessa forma, o objetivo deste trabalho foi comparar as estimativas das medidas antropométricas de operadores florestais utiliza…
View article: Estabelecimento de matriz de avaliação de risco de acidentes na colheita florestal
Estabelecimento de matriz de avaliação de risco de acidentes na colheita florestal Open
Na atividade de colheita florestal, independentemente do grau de mecanização, o trabalho humano estará sempre presente, o que exige o planejamento adequado para diminuir os índices de acidentes e de doenças ocupacionais que se acumularam n…
View article: Occupational Noise and Vibration Assessments in Forest Harvesting Equipment in North-eastern Brazil
Occupational Noise and Vibration Assessments in Forest Harvesting Equipment in North-eastern Brazil Open
Occupational hazards arising from physical agents present in wood harvesting equipment may cause irreversible damage to the health of exposed operators. Thus, the objective of this study was to quantify the noise and vibration levels emitt…
View article: REPETITIVE MOTION AND POSTURAL ANALYSIS OF MACHINE OPERATORS IN MECHANIZED WOOD HARVESTING OPERATIONS
REPETITIVE MOTION AND POSTURAL ANALYSIS OF MACHINE OPERATORS IN MECHANIZED WOOD HARVESTING OPERATIONS Open
The objective of this study was to evaluate operators’ posture and repetitive motions in the mechanized wood harvesting operations, aiming comfort, safety, and health of forest operators. The study was carried out in the clearcutting of pi…
View article: REPETITIVE MOTION AND POSTURAL ANALYSIS OF MACHINE OPERATORS IN MECHANIZED WOOD HARVESTING OPERATIONS
REPETITIVE MOTION AND POSTURAL ANALYSIS OF MACHINE OPERATORS IN MECHANIZED WOOD HARVESTING OPERATIONS Open
The objective of this study was to evaluate operators’ posture and repetitive motions in the mechanized wood harvesting operations, aiming comfort, safety, and health of forest operators. The study was carried out in the clearcutting of pi…
View article: AVALIAÇÃO ERGONÔMICA DAS OPERAÇÕES FLORESTAIS DE ROÇADA E DESGALHAMENTO SEMIMECANIZADO
AVALIAÇÃO ERGONÔMICA DAS OPERAÇÕES FLORESTAIS DE ROÇADA E DESGALHAMENTO SEMIMECANIZADO Open
O objetivo deste trabalho foi avaliar os riscos ergonômicos a que os trabalhadores estavam expostos durante o desenvolvimento das atividades florestais de roçada e desgalhamento semimecanizado. Foi avaliada, para cada uma das atividades de…
View article: CONCENTRATION AND SIZE OF AIRBORNE PARTICULATES IN WOODWORKING SHOPS
CONCENTRATION AND SIZE OF AIRBORNE PARTICULATES IN WOODWORKING SHOPS Open
Wood secondary processing operations generate large amounts of airborne particulates. Inhalation of this material can lead to the development of work-related respiratory diseases. The Brazilian legislation does not define threshold limit v…
View article: COLHEITA DE MADEIRA DANIFICADA PELO VENTO: CARGA FÍSICA DE TRABALHO E RISCO DE LER/DORT AOS TRABALHADORES
COLHEITA DE MADEIRA DANIFICADA PELO VENTO: CARGA FÍSICA DE TRABALHO E RISCO DE LER/DORT AOS TRABALHADORES Open
Este estudo realizou uma avaliação ergonômica dos trabalhadores da colheita de madeira danificada pelo vento, no Estado de Minas Gerais, de forma a determinar os riscos ergonômicos a que os trabalhadores estavam expostos durante o desenvol…
View article: CONCENTRATION AND SIZE OF AIRBORNE PARTICULATES IN WOODWORKING SHOPS
CONCENTRATION AND SIZE OF AIRBORNE PARTICULATES IN WOODWORKING SHOPS Open
Wood secondary processing operations generate large amounts of airborne particulates. Inhalation of this material can lead to the development of work-related respiratory diseases. The Brazilian legislation does not define threshold limit v…
View article: EVALUATION OF COSTS OF HARVESTER IN CUT AND PROCESSING OF EUCALYPTUS WOOD1
EVALUATION OF COSTS OF HARVESTER IN CUT AND PROCESSING OF EUCALYPTUS WOOD1 Open
Before performing any financial analysis costs must be calculated. These costs should allow the planning and control over the use of the machines as well as the comparison between different investments alternatives since this is easily cal…
View article: PROPOSAL FOR AN ERGONOMIC CONFORMITY INDEX FOR EVALUATION OF HARVESTERS AND FORWARDERS
PROPOSAL FOR AN ERGONOMIC CONFORMITY INDEX FOR EVALUATION OF HARVESTERS AND FORWARDERS Open
Context: In mechanized forestry work, the ergonomic conditions of the workplace affects operator's health, performance and productivity. Originality: A comparison of different forest machines becomes complex in case where it is required an…
View article: A MULTI-AGENT SYSTEM FOR FOREST TRANSPORT ACTIVITY PLANNING
A MULTI-AGENT SYSTEM FOR FOREST TRANSPORT ACTIVITY PLANNING Open
This study aims to propose and implement a conceptual model of an intelligent system in a georeferenced environment to determine the design of forest transport fleets. For this, we used a multi-agent systems based tool, which is the subjec…
View article: OPERATIONALANALYSIS OF MECHANICAL CUT-TO-LENGTH FOREST HARVESTING SYSTEM
OPERATIONALANALYSIS OF MECHANICAL CUT-TO-LENGTH FOREST HARVESTING SYSTEM Open
The objective of this research was to conduct an operational analysis of forest harvesting activities in a mechanized of the system cut to length in eucalypt plantations in south of Bahia, to determine the distribution of operation times, …
View article: WORK PRECARIOUSNESS: ERGONOMIC RISKS TO OPERATORS OF MACHINES ADAPTED FOR FOREST HARVESTING
WORK PRECARIOUSNESS: ERGONOMIC RISKS TO OPERATORS OF MACHINES ADAPTED FOR FOREST HARVESTING Open
This study aimed to assess different types of machines adapted for mechanized forest harvesting activities in order to quantify the degree of compliance with ergonomic principles applicable to forest machines, as well as the ergonomic risk…
View article: ERGONOMIC STUDY OF TIMBER MANUAL LOADING IN FORESTRY FOMENTATION AREAS
ERGONOMIC STUDY OF TIMBER MANUAL LOADING IN FORESTRY FOMENTATION AREAS Open
AVALIAÇÃO ERGONÔMICA DO CARREGAMENTO MANUAL DE MADEIRA EM ÁREAS DE FOMENTO FLORESTAL Este estudo teve como objetivo realizar uma avaliação ergonômica da atividade de carregamento manual da madeira nas propriedades rurais, a fim de quantifi…
View article: Avaliação biomecânica das atividades de corte de madeira semimecanizado na Amazônia
Avaliação biomecânica das atividades de corte de madeira semimecanizado na Amazônia Open
O objetivo deste trabalho é realizar uma análise biomecânica das posturas adotadas pelos trabalhadores nas atividades de corte arbóreo em florestas naturais, no Estado do Pará. Para avaliar as posturas dos trabalhadores nas atividades de d…
View article: WORK PRECARIOUSNESS: ERGONOMIC RISKS TO OPERATORS OF MACHINES ADAPTED FOR FOREST HARVESTING
WORK PRECARIOUSNESS: ERGONOMIC RISKS TO OPERATORS OF MACHINES ADAPTED FOR FOREST HARVESTING Open
This study aimed to assess different types of machines adapted for mechanized forest harvesting activities in order to quantify the degree of compliance with ergonomic principles applicable to forest machines, as well as the ergonomic risk…
View article: OPERATIONALANALYSIS OF MECHANICAL CUT-TO-LENGTH FOREST HARVESTING SYSTEM
OPERATIONALANALYSIS OF MECHANICAL CUT-TO-LENGTH FOREST HARVESTING SYSTEM Open
The objective of this research was to conduct an operational analysis of forest harvesting activities in a mechanized of the system cut to length in eucalypt plantations in south of Bahia, to determine the distribution of operation times, …
View article: Ergonomic study of timber manual loading in forestry fomentation areas
Ergonomic study of timber manual loading in forestry fomentation areas Open
AVALIACAO ERGONOMICA DO CARREGAMENTO MANUAL DE MADEIRA EM AREAS DE FOMENTO FLORESTAL Este estudo teve como objetivo realizar uma avaliacao ergonomica da atividade de carregamento manual da madeira nas propriedades rurais, a fim de …
View article: ECONOMIC EVALUATION OF FOREST HARVESTING WITH HARVESTER AND FORWARDER
ECONOMIC EVALUATION OF FOREST HARVESTING WITH HARVESTER AND FORWARDER Open
Due to the high cost of acquisition and preservation of machines used in the operations of forest harvest, it is necessary to know the profitability of its purchase and up to what point its usage is profitable. Thus the aim of this work wa…
View article: Avaliação ergonômica do processo de mensuração florestal
Avaliação ergonômica do processo de mensuração florestal Open
This study carried out an ergonomic evaluation of workers in eight forest mensuration activities in the State of Minas Gerais.For each of the activities developed, the physical workload, the biomechanics, the risk of RSI / MSDs and environ…