• Title/Summary/Keyword: agricultural system

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NON-DESTRUCTIVE DETECTION FOR FOREIGN MATERIALS IN FOOD AND AGRICULTURAL PRODUCTS USING X-RAY SYSTEM

  • Morita, Kazuo;Tanaka, Shun'ichirou;Ogawa, Yukiharu
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1996.06c
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    • pp.334-343
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    • 1996
  • Quality evaluation for food and agricultural products have always been one of the most elusive problems associated with the handling , processing and marketing in a food plant production. In order to detect physical foreign materials in food and agricultural products, non-destructive techniques have been developed for many years. Application of X-ray system to detect physical foreign materials in food and agricultural products could be considered to be a high potential method. Especially , it is impossible to detect internal physical foreign materials by visual inspections. In this study, it was tried to be applied for two different X-ray devices. Soft X-ray system with CdTe sensor and X-ray CT scanner were evaluated for advantage of the detection of non-meltallic foreign materials in food and agricultural products . Though the soft X-ray is not a high energy radiation, it is possible to detect small different density in a material. The CdTe sensor has a high resolution for t e soft X-ray energy region. The density characteristics of foods and foreign material were expressed region. The density characteristics of foods and foreign materials were expressed as a soft X-ray energy spectrum. The energy spectrum was analyzed by a personal computer with a multi-channel analyzer. X-ray CT scanner can provide visual image and analyze by three dimensional information inside food and agricultural products. The X-ray CT scanner using as a medical equipment was used to detect a foreign material. The density characteristics of food and foreign materials in food were tried to be detected by the threshold value on the basis of the CT numbers. The soft X-ray absorption characteristics for acrylin plates and distilled water were obtained and could be found the possibility of detecting a small physical foreign materials such as a plastic wrapping film , a stone and grasshopper in food and agricultural products.

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Construction of Integrated Agricultural Statistical System Architecture for Effective Policy (농업정책 실효성 증대를 위한 농업통계시스템 아키텍처 구축)

  • Lee, Min-Soo;Chae, Young-Chan;Hong, Hee-Yeon;Kim, Sang-Ho;Kim, Jeong-Seop
    • Journal of Korean Society of Rural Planning
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    • v.11 no.4 s.29
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    • pp.75-91
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    • 2005
  • This study designs an integrated data architecture to systematically manage the agricultural statistics database. Managing the agricultural statistics is important since it provides data for policies and decision making for agribusinesses. Ministry of Agriculture and the National Statistical Office collect the basic agricultural statistic data which provides the basis of logical decision making and agricultural policies. However, the agricultural statistic data has not well been used. The data has not been consistently collected nor managed. The raw data has not been organized nor processed to meet various demands. The needs has been arisen for a consistent agricultural statistics system to increase the relevance, accessibility, and efficiency of data for various users. There are massive amount of data accumulated over a long time period. Introducing the new system and reorganizing the data will bear large risks. A systematic method is required to reduce the risks in planing, building, and maintaining the database without hindering administration. This study provides a design of the agricultural statistics system architecture based on the user requirement analysis (URA) and similar systems abroad. We have also build a prototype to check the implementability of the system design.

A Study on the Integrated Unrolling, Cutting, and Softening System of Round Bale Silage for Pig Feeding (I) (양돈 급여에 적합한 원형베일 사일리지 해체·세절·연화 일관시스템 연구 (I))

  • Hong, Jong-Tae;Kim, Hyuck-Joo;Yu, Byeong-Kee;Hyun, Chang-Sig;Kim, Sung-Kee;Yoo, Ji-Soo;Hong, Young-Sin;Seo, Hung-Dug
    • Journal of Animal Environmental Science
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    • v.19 no.1
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    • pp.9-18
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    • 2013
  • Currently, there was no producing system of TMR for pig feeding in Korea. In this study, we examined unrolling, cutting, and softening for the round bale silage. We designed and developed the prototype system of round bale silage for pig feeding. Unroll method were lower chain conveying and upper belt conveying which includes an hydraulic vertical fodder knife. Gathering and cutting method were rotating auger and flywheel which have 10 cutters, input roller of 280 rpm, and cutter rotating speed of 1,750 rpm. Softening device was rotating hammer in inclined cylinder adjustable to $25^{\circ}C$ and rotating speed up to 1,300 rpm. The prototype system was integrated working for unrolling, cutting, and softening. We found that when the round bale silage in unrolling apparatus cut length of 20 cm to input cutting apparatus, the cutting performance was well in continuous working up to input rate of 1,000 kg/h, the softening apparatus was working well.

Biodegradable Check Dam and Synthetic Polymer, its Experimental Evaluation for Turbidity Control of Agricultural Drainage Water

  • Kim, Minyoung;Kim, Seounghee;Kim, Jinoh;Lee, Sangbong;Kim, Youngjin;Cho, Yongho
    • Korean Journal of Soil Science and Fertilizer
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    • v.46 no.6
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    • pp.458-462
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    • 2013
  • A drainage ditch is normally a component of drainage networks in farming systems to remove surplus water, but at the same time, it may act as a major conduit of agricultural nonpoint source pollutions such as sediment, nitrogen, phosphorus, and so on. The hybrid turbidity reduction system using biodegradable check dam and synthetic polymer was developed in this study to manage pollutant discharge from agricultural farmlands during rainfall events and/or irrigation periods. The performance of this hybrid system was assessed using a laboratory open channel sized in 10m-length and 0.2m-width. Various check dams using agricultural byproducts (e.g., rice straw, rice husks, coconut fiber and a mixture of rice husks and coconut fiber) were tested and additional physical factors (e.g., channel slope, flowrate, PAM dosage, turbidity level, etc.) affecting on turbidity reduction were applied to assess their performance. A series of lab experiments clearly showed that the hybrid turbidity reduction system could play a significant role as a supplementary of Best Management Practice (BMP). Moreover, the findings of this study could facilitate to develop an advanced BMP for minimizing nonpoint source pollution from agricultural farmlands and ultimately to achieve the sustainable agriculture.

The Design Method and Error Analysis of Machine Electronic Weighing Burden System controlled by a Computer Automatically

  • Zhang, Zhengou;Lin, Shanling
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.768-778
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    • 1993
  • The system is designed for the production and processing of feed, fertilizer, sugar , and grain. It can be used to weigh and transport automatically their pellet, power or nonstickness materials. In this system, we use discontinuous totalising automatic weighing instruments to weigh materials. It is a closed-cycle control system controlled by industrial controlling computer STD bus. The system used for processing grain and feed can improve the quality of products , carry out scientific management, increase productivity and decrease the intensity of labour

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DEEPENING REFORM AND STRENGTHENING-SERVICE, TO OPEN THE NEW SITUATION IN AGRICULTURAL MACHINERY MANAGEMENT

  • Zhang, Xihong
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.546-550
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    • 1993
  • Three basic experiments in agricultural machinery management , strengthening the construction of socialized service system, facilitating the two-level management system in rural areas and carrying through the principle of " paid service ' are described and the main methods of strengthening agricultural machinery management are developed in this paper.aper.

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RESULTS AND FURTHER DEVELOPMENT OF AN AUTOMATIC MILKING SYSTEM

  • Toth, L.;Bak, J.
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.779-790
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    • 1993
  • A prototype of the feeding-milking robot was developed in the Hungarian Institute of Agricultural Engineering in 1988-89. Before starting with the operation tests the cleaning system had to be elaborated . The cleaning system has two parts. Those are the complete cleaning of the system, producing a practically sterile state, as well as flushing through the milking device between milking of two cows. Separate electronic sensor development was necessary for both system which can connect to the control system of the robot. To clean the system pneumatic air input was applied. As an effect of the local adjustment of the electronic control system optimal flow conditions can be formed what is more favourable comparing to the earlier solutions of cleaning due to the mechanical effect. In the flushing through overpressure air is applied. The air and the cleaning liquid input duration can be adjusted to the local conditions. The electronic control unit can be connected to the electric ircuits of robot.

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A Systems Approach on the Lingkages in Agricultural Technology System (농업기술체계의 연계에 관한 체제적 접근)

  • Song, Song-Sup;Kim, Sung-Soo
    • Journal of Agricultural Extension & Community Development
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    • v.5 no.1
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    • pp.11-30
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    • 1998
  • The lack of close working relationship between agricultural research, extension organizations and farmers, is one of the most difficult problems confronting agricultural technology system. Systems approach is an effective method to use in indentifying lingkage problems in agricultural technology system, and it is a problem-solving methodology. There are two basic types of linkage mechanisms; organizational and managerial. Organizational mechanisms involve the structural modification of the research and extension organizations involved in an agricultural technology system. The other major type of lingkage mechanisms involves a range of managerial interventions such as joint planning and review activities, collaborative program activities, and resource allocation procedures, etc.

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