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컬러 카메라를 이용한 측면유동 면역 어세이 정량분석 방법
박종원,Park, Jongwon 대한의용생체공학회 2014 의공학회지 Vol.35 No.1
Among semi-quantitative or fully quantitative lateral flow assay readers, an image sensor-based instrument has been widely used because of its simple setup, cheap sensor price, and compact equipment size. For all previous approaches, monochrome CCD or CMOS cameras were used for lateral flow assay imaging in which the overall intensities of all colors were taken into consideration to estimate the analyte content, although the analyte related color information is only limited to a narrow wavelength range. In the present work, we introduced a color CCD camera as a sensor and a color decomposition method to improve the sensitivity of the quantitative biosensor system which utilizes the lateral flow assay successfully. The proposed setup and image processing method were applied to achieve the quantification of imitatively dispensed particles on the surface of a porous membrane first, and the measurement result was then compared with that using a monochrome CCD. The compensation method was proposed in different illumination conditions. Eventually, the color decomposition method was introduced to the commercially available lateral flow immunochromatographic assay for the diagnosis of myocardial infarction. The measurement sensitivity utilizing the color image sensor is significantly improved since the slopes of the linear curve fit are enhanced from 0.0026 to 0.0040 and from 0.0802 to 0.1141 for myoglobin and creatine kinase (CK)-MB detection, respectively.
Jongwon Park(박종원) 한국자동차공학회 2023 한국자동차공학회 부문종합 학술대회 Vol.2023 No.5
To cope with increasing demand of higher fuel economy and stringent emission regulations in the global market, Geely powertrain research institute (GPRI) has been developing the new Dedicated Hybrid Engine (GHE) series, aiming for lower fuel consumption, lower emission, higher performance and NVH enhancement. GHE family contains two series variants: one is 1.5L TGDI with two derivatives of 3 cylinders, the other is 2.0 TGDI derivatives with diverse fuel economy and high power. GHE family is state of the art engine, being the first ICE conceived to fulfill the stretched targets of the next generation of hybrid vehicles for Geely Holding Group. Also GHE is modular manufacturing concept to produce the engine family in the existing engine plants, which are currently producing GEP3, 1.5TD. In developing higher fuel economy variants, deep investigations of the required ICE working conditions led to the correct targets setting for whole BSFC map, BTE (42+ %), vehicle WLTC fuel economy but mainly at real-world customer driving condition. Then, GHE is being developed to serve high performance output combined with lambda =1 full map and also being compliant with future emission regulations and RDE. The concept and development of GHE set in a high efficiency Miller-cycle and transversal combustion system with higher tumble and turbulent kinematic energy (TKE), lowest friction, improved mixture formation including new fuel injection system (FIS) with 350bar, higher 13:1 compression ratio, optimized turbocharging combined with high cooled EGR rates and water-CAC. Besides, utilizing frontier technology on cooling system and lubrication system, such as electric water pump, split cooling, CTAM and E-PCJ, GHE variants possess the best performance. GHE HP, the developing variant with high power, provides the customer demands for fun-to-drive with 100kw/liter specific power and 40%+ BTE. This engine applies soft Miller cycle, the same combustion configuration to GHE with 10.5 compression ratio, higher flow intake port, and mechanical water pump with thermal management system. Furthermore, considering strong customers’ demand on noise and ride comfort from eastern countries such as China, Korea and Japan, NVH enhancement set in assessment of engine concept design. Suspended injector is deployed to cut-off the transfer path from 350 Bar FIS, cylinder pressure rise rate is well optimized. Structural attenuation achieves state of art by optimization of key engine components such as cylinder head, cylinder block, bedplate and oil pan. Mass balance shaft and dual mass flywheel are applied to improve vehicle integrated NVH performance. Die cast aluminum timing cover with additional acoustic cover significantly attenuates engine radiated noise to pass the EU pass-by legislation 2022. This paper describes the development concept of GHE variants in terms of development strategy, target, technology road map, system definition, etc.
박종원(Jongwon Park),이긍해(Keunghae Lee) 한국정보과학회 2004 한국정보과학회 학술발표논문집 Vol.31 No.1B
최근 컴퓨터 및 다양한 디바이스들을 이용하여 인터넷 서비스를 제공받는 사용자가 많아지고 있다. 이러한 인터넷 서비스를 제공받기 위해서 사용자는 서비스 제공사이트에서 요구하는 개인정보를 입력하거나 인증절차를 거치게 되는 경우가 많이 생긴다. 기존 인증방법의 경우 고정된 패스워드로, Keystroke 해킹 등 각종 해킹으로 개인 정보 유출 가능성이 높다. 본 논문은 스마트카드를 이용하여 이러한 문제점을 해결하는 것을 목표로 한다. 스마트카드를 이용하여 다양한 디바이스에 연결 할 때 기존 패스워드 방식이 아닌 Q/A 방식으로 개인만이 알 수 있는 몇 개의 임의의 질문에 답변 하는 방식으로 개인 정보를 원하는 곳에 안전하게 사용할 수 있는 사용자 인증과 관리방법을 제안한다. 그리고 제안된 사용자 인증 및 관리 방법에 대해 설명한다.
자동화 컨테이너 터미널의 운영시스템을 위한 ATC 독립성 유지 시스템 설계
박종원(Jongwon Park),신재영(Jaeyoung Shin),김웅섭(Woongsub Kim),김용진 한국항해항만학회 2010 한국항해항만학회 학술대회논문집 Vol.2010 No.추계
본 논문은 자동화 컨테이너 터미널에서 하역작업을 수행하는 ATC의 독립성 유지를 위한 운영시스템을 제안한다. 기존 컨테이너 터미널에서 사용하는 운영시스템(TOS : Terminal Operation System)에는 이를 위한 많은 지능형 알고리즘이 개발되어 있고 이에 대한 연구도 활발히 이루어져 왔다. 이에 따라 TOS의 규모가 방대해짐에 따라 개발 및 유지 보수에 막대한 시간과 인력이 소요된다. 또한 새로운 장비가 도입되거나 새로운 알고리즘이 도입될 경우 TOS전체를 수정해야 하는 경우도 발생할 수 있다. 이에 따라 장비와 TOS를 보다 유동적이며 대체가 용이하도록 연결하기 위한 개념이 필요하나 이에 대한 연구는 미미한 실정이다. 따라서 본 연구는 기존 컨테이너 터미널 운영시스템에 독립적으로 계획, 통제, 지시, 모니터링과 같은 여러 기능을 수행하는 시스템을 설계하도록 한다. This aims to independent operation system for ATC which works for a yard in a container terminal automatically. Many intelligent algorithms have been developed and studied for TOS - Terminal Operation System - in existing container terminals. So, TOS has been getting overloaded for development, maintenance, and repair. Moreover, if new equipment are introduced for container terminal, the TOS for container terminal would be renewed whole system. Despite of its necessity, studies have been introduced insufficiently. As a result, this paper represents the concept of independent which connects betweeen TOS and equipments so that it can perform planning, indicating, monitoring, control and etc.
공벌레의 보행패턴 분석을 통한 소형로봇의 주행 메커니즘 설계
박종원(Jongwon Park),김홍진(Hong-Jin Kim),김영국(Young Kook Kim),김수현(Soohyun Kim) 제어로봇시스템학회 2012 제어·로봇·시스템학회 논문지 Vol.18 No.2
Reconnaissance robots can reduce the danger of hazardous places by providing information before human personnel take action. For the usage, robot platform should be small and light. However, this fact leads to a scaling issue with terrain that landscape poses a huge obstacle for the vehicle. The problem can be solved by the inspiration of nature. This paper presents design of the locomotive mechanism inspired by Pill bugs. The mechanism was designed by the principles of a pill bug"s locomotion and experiments were conducted to validate the mechanism.