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조시형,박찬원 江原大學校 産業技術硏究所 2009 産業技術硏究 Vol.29 No.B
This paper presents the development of smart counting system that is proper for grains with uneven unit weight or shape. This device can detect the small differences of a light beam and count the pulse from wave shape control, when the grain is going on the light screen, which is made by the light beam screen sensor. It can, different from the former conventional device, distinct the uneven grains for counting detect, by using the dedicated hardware and the software algorithm of the light sensor.
조시형,박찬원 江原大學校 産業技術硏究所 2007 産業技術硏究 Vol.27 No.B
In this paper, the light screen sensing system is introduced and testified to detect small grains such as seeds or electronic chips of uneven sized. Two modules composed of transmitter-receiver sensor array and microprocessor-based sensor signal processing system are developed to realize the proposed system. Experimental results showed that the sensing signal was relatively clear and its counting performance was very stable.
광막센싱방법을 이용한 미소물체의 계수검출 : 하드웨어 개선과 소프트웨어
조시형,박찬원 강원대학교 정보통신연구소 2008 정보통신논문지 Vol.12 No.-
In this paper, hardware improvement and software of tile light screen sensing system is introduced and tested to detect small grains such as seeds or electronic chips of uneven sired. Two modules composed of a transmitter-receiver sensor array and a microprocessor-based sensor signal processing system are developed to realize the proposed system. As a result, the sensing signal waveform was relatively improved than the previous machine's and its counting error was within the range of 0.01% in case of normal seeds counting.
조시형,박찬원 江原大學校 産業技術硏究所 2010 産業技術硏究 Vol.30 No.A
This research suggested a development of a Data Acquisition System for strain gauge sensor which enables the usage of portable device in the various engineering field that includes, a strain indicator which is frequently used in civil and mechanical engineering, and a GUI function of data acquisition device. The developed system can record 16 channels of strain gauges at a time and its resolution is over 16 bits which can be used effectively in the actual field.
조시형,박찬원 江原大學校 産業技術硏究所 2010 産業技術硏究 Vol.30 No.B
This paper presents the development of LED street light lamp which is controled by central command system. This system includes a lamp unit controller, data repeater and command repeater as well as the LED lamps. These devices enable the individual power control and partial on/off control of the LED lamps by the control repeater through full duplex communication line. Also, they have the ability to control the brightness and period of on/off timing by detecting the car's existence. As a result of this development, it is founded that the performances of the system have been satisfied to apply for the actual road test.
조시형(Si-Hyeong Cho),박찬원(Chan-Won Park) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
본 연구는 단위중량이나 모양이 일정하지 않아 계수가 곤란한 미소 비균일체의 지능형 계수기의 개발에 관한 연구이다. light beam screen sensor에 의해 형성된 광막 사이로 물체가 통과할 때, 미소한 부분의 빔의 변화량을 검출하고 파형 정형을 하여 발생하는 펄스를 카운트하는 장치로서 기존의 광센싱 계수방식과는 달리 크기와 모양이 불균일한 곡물류의 정확한 계수검출을 위하여 광센서 신호의 하드웨어 필터기술과 이를 소프트웨어적으로 정확하게 분별할수 있도록 하는 기술을 개발하였다.
조시형(Cho, Si-Hyeong),박찬원(Park, Chan-Won) 강원대학교 산업기술연구소 2009 産業技術硏究 Vol.28 No.B
This paper presents the development of smart counting system that is proper for grains with uneven unit weight or shape. This device can detect the small differences of a light beam and count the pulse from wave shape control, when the grain is going on the light screen, which is made by the light beam screen sensor. It can, different from the former conventional device, distinct the uneven grains for counting detect, by using the dedicated hardware and the software algorithm of the light sensor.