• Title/Summary/Keyword: LCD Stocker Crane

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A Study on the Characteristic of Contactless Power Supply System for Operation Pattern of Stocker System (Stocker 시스템의 동작패턴에 대한 비접촉 전원장치의 특성에 관한 연구)

  • Hwang, Gye-Ho;Lee, Bong-Seob
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.25 no.10
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    • pp.23-27
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    • 2011
  • In this paper, material handing cleanroom stocker system for thin film solar cell line of photovoltaic industry and liquid crystal display line of flat panel display industry was selected for the study. Optimum solution for stocker system's CPS(Contactless Power Supply) is approached by changing the motion pattern, optimizing design & production, and analyzing characteristics of the power system. As a result, acceleration time of X-Axis changed from 3 sec to 4 sec, changed the input characteristic of CPS within approximately 11[kW]. This result shows that extending acceleration time of the X-Axis in Stocker Crane's motion pattern can reduce the capacity of the CPS, thus saving the manufacturing cost.

A Study on Control of High Power PM Excited TFLM for Long Distance (장거리 이송용 고출력 영구자석 여자 횡자속 선형전동기 제어에 관한 연구)

  • Jeon, Jin-Yong;Hwang, Gye-Ho;Kim, Ji-Won;Kim, Gyu-Sik
    • The Transactions of the Korean Institute of Power Electronics
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    • v.11 no.5
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    • pp.471-479
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    • 2006
  • Automatic transfer equipments of manufacturing and process line trend toward big size as LCD glass is big size, heavy weight. The conventional stocker uses rotational motor and mechanical power converter device as travel axis of stocker crane and then frequent maintenances by complex structure and mechanical friction are required. Also it has problem to minimize the particle generation. To solve these problems, this paper verified the performance of permanent magnet(PM) excited transverse flux linear motor(TFLM) that is big power density per unit volume applied for travel axis of 7 generation stocker that is being big size, high power, long distance by the experiment based on proposed control algorithm, controller and power converter device.

Development of High Efficiency Contactless Power Supply System for Stocker System (Stocker 시스템에 적용한 고효율 비접촉 전원시스템 개발)

  • Hwang, Gye-Ho;Kim, Won-Gon;Yun, Jong-Bo;Moon, In-Ho;Lee, Bong-Seob;Min, Byung-Jae;Kim, Dong-Hee
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.24 no.2
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    • pp.77-85
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    • 2010
  • Recently, As increasing cleanroom size, Stocker system is trending the large size and long distance for LCD material transfer system In order to rise a rate of production, the manufacturer are on the decrease of total tact time with Stocker system And the manufacturer are requested to high speed of next generation Stocker system Also manufacturers for the high oil prices through energy-saving conservation to minimize plant operating costs are required. Therefore, this paper propose optimal design of high efficiency Contactless Power Supply(CPS) system about high speed and energy savings of next generation Stocker system This paper proposes CPS system is applied in the long distance and straight section with Stocker system for energy savings. The test results of input!output characteristic and efficiency of CPS system on operating pattern of Stocker system were analyzed, and proved the applicability on commercial use.