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홍정표(Jengpyo Hong),정영석(Youngseok Jung),천동필(Dongpil Chun) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Currently, the BLDC Motor(Blushless Direct Current Motor) is widely used for the industrial applications because of its high efficiency, high power density and low acoustic noise. However, in the area of an automotive application, the usage of the BLDC motor is starting to increase. Thus, we develop the BLDC fan motor control ECU for vehicle. A BLDC fan motor manufactured by TEMlC and rating 800[W]/13[V] is targeted for our control module application. The usefulness of the developed BLOC fan motor control ECU is verified by experiments.
이원조(Wonjo Lee),최상훈(Sanghoon Choi),권대혁(Daehyuk Kwon),천동필(Dongpil Chun) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_2
Application of UHF RFID is proposed for the identification of vehicle, and the relevant tag is designed to specifically meet the ISO 18000-6 standard for read and write range at 912㎒ operational frequency. RFID tag is attached on the vehicle's front glass, and experiments are carried out to evaluate the RF characteristics of Tag/Reader communication, in that we verify if it is proving to be both practical and reliable in real-world environments.
최상훈(Sanghoon Choi),이원조(Wonjo Lee),김상국(Sangkook Kim),권대혁(Daehyuk Kwon),천동필(Dongpil Chun) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Automatic Vehicle Identification (AVI) is the key for secure and convenient hands-free access control. The RFID system provides this with its long read range (up to 5 meters), UHF passive tags and high-security transmission protocol. The operating frequency and low output power allows for installations worldwide the meeting the regulation standard for site licensing in each country. Examples of installations include both commercial and corporate parking areas, gated communities, ports, airports, industries, universities etc. RFID technology also provides products and solutions that bridge the gap between personal access and automatic vehicle access. RFID products are used in proprietary systems, standard access control systems as well as in major parking equipment systems.
이동원(Dongwon Lee),지정훈(Junghoon Ji),송세일(Se-il Song),천동필(Dongpil Chun),박병균(Byungkyun Park),권혁빈(Hyuk-Bin Kwon) 한국자동차공학회 2007 한국자동차공학회 Symposium Vol.- No.-
AMT(automated manual transmission) has both advantages of AT(automatic transmission) and MT(manual transmission) through clutch and shift automation. AMT offers convenience to a driver like AT. In additionally, AMT is more efficient than MT through optimal shift control. We developed AMT using new shift mechanism and model-based design process. The developed AMT was installed at test vehicle, and basic tests and evaluations were peformed.
최상훈(Sanghoon Choi),이원조(Wonjo Lee),권대혁(Daehyuk Kwon),천동필(Dongpil Chun) 한국자동차공학회 2005 한국자동차공학회 Symposium Vol.- No.-
Application of paper UHF RFID tag in accordance with the ERI standard ISO 24534/24535 is proposed for implementing EVI(Electronic Vehicle Identification) in the field of automatic vehicle identification using wireless non-contact technology. The relevant paper tag is designed to specifically meet the ISO 18000-6B standard for reading and writing EVIN at 910~914MHz operational frequency band. The paper tag is manufactured in the process of printing the antenna trace pattern by the conductive ink and drying it in the high temperature champer, which is followed by the bonding procedure with use of ACP. The tag is attached on the windshield of a vehicle and tested to verify if it satisfy the basic ERI specifications, and experiments are carried out to evaluate the RF characteristics of Tag/Reader communication. The proposed technology is proved to be both practical and reliable in real-world ITS environments.
최상훈(Sanghoon Choi),이원조(WONJO LEE),조항기(Hangki Cho),나희경(Heukyong Na),김상국(Sangkook Kim),권대혁(Daehyuk Kwon),천동필(Dongpil Chun) 한국자동차공학회 2003 한국자동차공학회 Symposium Vol.2003 No.8
An integrated antenna module for RSE in DSRC system is proposed, designed, and manufactured. A waveguide slot array antenna with strip dipoles is used and an analytical technique is applied for the fast design of the array antenna. An RF module is integrated into the waveguide assembly. The results show that the antenna module conforms to the DSRC standards with advantage of cost and size.<br/>