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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
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Impact of Sugarcane Delivery Schedule on Product Value at Raw Sugar Factories AgEcon
Salassi, Michael E.; Garcia, Mercedes; Breaux, Janis B.; No, Sung Chul.
Conversion to combine harvesters has resulted in Louisiana sugarcane growers delivering a more perishable product to raw sugar factories. Dextran formation increases as the time between harvest and milling is extended. Milling of freshly cut sugarcane reduces the formation of dextran and associated economic losses. One approach available to factories to reduce dextran formation is to extend the harvested sugarcane delivery schedule to the mill. A simulation model was developed to evaluate alternative delivery schedules at raw sugar factories. Economic losses in product value associated with dextran formation were estimated and compared for various extended delivery schedules.
Tipo: Journal Article Palavras-chave: Dextran; Milling; Product value; Raw sugar factories; Scheduling; Sugarcane industry; Crop Production/Industries; Marketing; Production Economics.
Ano: 2004 URL: http://purl.umn.edu/59606
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Scheduling and Routing Milk from Farm to Processors by a Cooperative AgEcon
Prasertsri, Peerapon; Kilmer, Richard L..
A milk marketing cooperative (MMC) was created by Florida dairy farmers to link the primary supply of fluid milk with the derived demand of processors in the vertical market. For any given milk supply, the revenue or return to farmers per unit of milk is the average milk price received by the MMC minus the MMC’s transfer cost. An important task for the MMC is to operate the fluid milk hauling system that optimizes the MMC’s milk transfer cost (routing and scheduling cost) subject to farm and plant schedules. The objective of this study is to determine if it is economically feasible to implement a more efficient routing and scheduling of farm-to-plant milk collection by the MMC.
Tipo: Journal Article Palavras-chave: Cooperatives; Margins; Milk; Routing; Scheduling; Demand and Price Analysis; Productivity Analysis.
Ano: 2004 URL: http://purl.umn.edu/59380
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