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	Provedor de dados CIGR Journal (4) Autor Marzban, Afshin (4) Abdeshahi, Abbas (1) Afsharnia, Fatemeh (1) Asoodar, Mohammad Amin (1) Hayati, Abdullah (1) Leylizadeh, Masoud (1) Monjezi, Nasim (1) Rahbar, Amir (1) Sheikhdavoodi, Mohammad Javad (1) Shomeili, Mahmood (1) Soheili-Fard, Farshad (1) Zakidizaji, Hasan (1) Mais... Palavra-chave Agricultural mechanization (1) Crop cultivation (1) Curling (1) Ergonomic (1) Ergonomics (1) Failure rate (1) Fuzzy (1) GERT (1) Grading (1) Heart rate (1) Khouzestan (1) Manual worker (1) Musculoskeletal disorders (MSDs) (1) Occupational health (1) Oilseed (1) Scheduling (1) Storage condition (1) Sugarcane (1) Tea factory (1) Tractor (1) Mais... Tipo do documento Info:eu-repo/semantics/article (4) Ano 2019 (1) 2017 (1) 2016 (1) 2013 (1) País China (4) Idioma Inglês (4)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 4 Primeira ... 1 ... Última Discovering the physical onerous activities in manual sesame grain harvest using postural analysis CIGR Journal Hayati, Abdullah; Marzban, Afshin; Leylizadeh, Masoud. The sesame oil is accounted as high-priced and high-quality oil, but its production is less than that of major oilseeds due to labor-intensive harvest similar to many agricultural activities. These types of activities are often onerous leading the workers to occupational risk factors such as musculoskeletal disorders. Thus, the aim of this study was to evaluate the manual sesame grain harvest (consisting of work tasks of mowing, tying and shaking) regarding postural workloads to identify onerous activities during this operation which would help to mitigate some problems of the sesame grain production chain. Ovako Working posture Analysis System (OWAS) was used for working posture analysis of twenty-six male workers employed for this study. Results showed... Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural mechanization; Ergonomics; Occupational health; Manual worker; Musculoskeletal disorders (MSDs); Oilseed; Crop cultivation. Ano: 2019 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4987 Failure rate analysis of four agricultural tractor models in southern Iran CIGR Journal Afsharnia, Fatemeh; Asoodar, Mohammad Amin; Abdeshahi, Abbas; Marzban, Afshin. Tractors play an important role in agricultural mechanization.  A repairable mechanical system (as agricultural tractor) is prone to deterioration or repeated failures.  In this study, the owners of three hundred tractors, which include Massey Ferguson (MF285 model and MF399 model), John Deere (JD3140 model) and Universal (U650 model), were interviewed, from five regions of Khouzestan Province.  A regression model was used to predict the tractors failure rate.  The machine failure pattern was carefully studied and key factors affecting the failure rate were identified in these regions.  The data obtained from farm records valid by using questionnaire was separated into two groups according to how those tractors were stored.  Results showed that the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Failure rate; Tractor; Storage condition; Khouzestan. Ano: 2013 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2651 Ergonomic investigation of workers in tea factories using REBA and OWAS methods – case study: (Langroud Region, Guilan, Iran) CIGR Journal Soheili-Fard, Farshad; Rahbar, Amir; Marzban, Afshin. Work-related Musculoskeletal Disorders (WMSDs) are a leading cause of disability, work time loss and economic loss in both industrialized and developing countries. WMSDs include muscles, bones, joints, nerves and blood vessel disorders. According to the studies done by some researchers, lack of harmony between technology and the technology users in workplace can degrade the product quality and increase the injuries. In the present study, an ergonomic investigation was conducted and the position and posture of the workers of tea factories were evaluated. REBA and OWAS methods were used for analyzing the postures. The energy expenditure of workers was calculated by heart rate monitoring. In this study, 6 tea factories were considered and totally 48 workers... Tipo: Info:eu-repo/semantics/article Palavras-chave: Ergonomic; Tea factory; Heart rate; Withering; Grading; Curling. Ano: 2017 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/4096 Operations scheduling of sugarcane production using fuzzy GERT method (part II: preserve operations, harvesting and ratooning) CIGR Journal Monjezi, Nasim; Sheikhdavoodi, Mohammad Javad; Zakidizaji, Hasan; Marzban, Afshin; Shomeili, Mahmood. This paper presents a GERT method based on fuzzy theory for solving fuzzy project scheduling of sugarcane production (preserve operations, harvesting and rationing) in Khuzestan province of Iran. In this method, activity duration time and loops, repetition number, and output activities from nodes of network belong to a fuzzy set. First, an analytical approach was proposed to simplify the structure of network. Then, GERT network computations were done based on evaluating nodes. Process outputs were scheduled network and project fuzzy completion time. These outputs were fuzzy numbers and can be analyzed by α- cut. Results prove that the method of using fuzzy numbers and fuzzy relation in project scheduling is a powerful tool to estimate time for agricultural... Tipo: Info:eu-repo/semantics/article Palavras-chave: Scheduling; Sugarcane; GERT; Fuzzy. Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3543 Registros recuperados: 4 Primeira ... 1 ... Última

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