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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 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.
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 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.
조시형,박찬원 강원대학교 정보통신연구소 2011 정보통신논문지 Vol.15 No.-
This paper presents the development of LED road lamp controller which is able to control the brightness and blinking of the LEDs by communication line. This controller includes a lamp control and driver circuit which is controled by CPU program, power converter and PLC communication circuit. One lamp unit consisting 5 modules, which are 12 LED's of 1W connected serially, is worked by the one controller. 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.
200kHz 초음파 센서를 이용한 Edge Position Controller의 개발
조시형,박찬원 강원대학교 정보통신연구소 2010 정보통신논문지 Vol.14 No.-
This paper presents an Edge Position Controller (EPC) system which converts the analog signal of ultrasonic input into signal processing circuits and after A/D conversion. It produces digital data of compensation by micro controller which helps fast adjustment of DC motor of actuator driver in order to enable the real time control of frequent change of input signal.