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김현준,염상철,안병기,김세훈,금영범 한국수소및신에너지학회 2015 한국수소 및 신에너지학회논문집 Vol.26 No.3
The interest of New Renewable Energy is increasing globally because of the increment of the uncertainty for the energy’s supply and demand, and the increment of the frequency in weather anomaly and its damages. One of the New Renewable Energies, Hydrogen receives attention as the future energy that can deal with global environment regulation. Fuel Cell Electric Vehicle (FCEV) is an environment-friendly vehicle that uses Hydrogen as fuel. The electric power for FCEV is generated by chemical reaction with Oxygen from the air and Hydrogen. Hyundai Motor Company (HMC) has developed a proprietary fuel cell system since 2005. In 2012, HMC is the first car maker that mass-produces the ix35 FCEV to the worldwide such as North America, Europe, etc. In order to develop and improve the FCEV technology, data acquisition and analysis of the driving vehicle information is essential. Therefore, the monitoring system is developed, which is consist of datalogger, Automatic Vehicle Location (AVL) server and main server. Especially, WCDMA technology is integrated into the system which enables the data analysis without any restriction of time and region. The main function of the system is the analysis of the driving pattern and the component durability, and the safety monitoring. As a result, ix35 FCEV has successfully developed by using the developed monitoring system. The system is going to take an advantage of development in the future FCEV technology.
충전 인프라 활성화를 위한 전기차 충전소 모니터링 시스템 개발
하태준,박제진,권성대,오석진 도로교통공단 2023 교통안전연구 Vol.42 No.1
Industries related to electric vehicle services are being fostered as six new energy industries in Korea to address the supply and expansion of new transportation, energy supply and demand, and greenhouse gas emissions. This study determined countermeasures by developing a monitoring system at an open electric vehicle charging station to promote using microelectric vehicles to provide charging station occupancy, vehicle, and charging information. The real-time data obtained through the monitoring system was verified by collecting and analyzing the charging data. In the future, establishing a charging station monitoring system will be completed by seeking solutions to personal information-related problems. 에너지 수급 및 온실가스 배출 문제에 대한 대응과 새로운 이동수단의 보급과 확대를 위해, 국내에 서는 ‘6대 에너지 신산업’으로 ‘전기차 서비스’ 관련된 산업을 육성하고 있다. 본 연구에서는 초소 형전기차 이용 활성화를 위해 개방형 전기차 충전소에 모니터링 시스템을 개발하여 충전소 점유정 보, 차량정보, 및 충전정보 제공이 가능하도록 하였다. 또한 모니터링 시스템을 통해 얻은 실시간 데이터를 검증하기 위해, 충전 관련 데이터 수집 및 분석을 진행하였다. 추후에는 개인정보 관련 문제 해결방안을 모색하여, 충전소 모니터링 시스템 구축을 완료할 예정이다.
전기동력 무인항공기용 PMU의 개선 및 제작에 대한 연구
강진명(Jin-Myeong Kang),정진석(Jin-Seok Jeong),강범수(Beom-Soo Kang),김장목(Jang-Mok Kim) 한국항공우주학회 2017 韓國航空宇宙學會誌 Vol.45 No.2
본 논문에서는 전기추진 무인항공기의 동력원으로 주로 사용되고 있는 리튬폴리머 배터리의 상태 모니터링을 위해 기존에 자체 개발한 동력 모니터링 장치인 PMU의 개선 및 제작에 관하여 기술하였다. 개선된 PMU는 비행에 필요한 다양한 센서와 모터의 구동에 안정적인 전압과 전류를 제공하며 모니터링 채널과 온도센서의 추가로 상태 모니터링의 정밀도가 향상되었다. 지상 시험환경을 통해 무인항공기에 탑재되는 PMU의 전압전류 측정값을 보정하고 실제 비행시험을 통해 개선된 성능을 확인하였다. This paper describes the design and implementation of previously developed PMU (Power Monitoring Unit) for LiPB (Lithium-ion Polymer Battery) that is electric propulsion used as unmanned aerial vehicle’s power source. Improved PMU provides stable voltage and current to various sensors and elctric motors necessary during flight. Voltage and current monitoring function that is measured by improved PMU more precisely be enhanced and the monitoring channel and temperature sensor is added. To verify the improved performance of the equipment, it is integrated to electric propulsion system of unmanned aerial vehicle. PMU is calibrated through the ground test. And PMU’s performance is checked through the flight test.
소형차 배출가스 시험방법 국제 표준화를 위한 국내 주행패턴 연구
최기주,박준홍,이종태,김정수,이규진,이용주 대한교통학회 2012 大韓交通學會誌 Vol.30 No.1
Domestic road type-and period-specific driving pattern measurement was required as Korea’s participation in developing “Worldwide harmonized light-duty vehicle emission test procedure (WLTP/DHC)” studied by UN WP29. This study measured road driving data reflecting road and traffic conditions of Korea, and analyzed seven types of representative road type-and period-specific driving patterns with driving pattern standardization methodology proposed by WP29. PAMS (Portable Activity Monitoring Systems) equipment was used to collect enormous (35,410km) road driving data. There are significant difference among seven derived driving patterns. 한국이 UN 자동차 법규 표준화 기구(WP29) 주관의 소형차 배출가스 시험방법 국제 표준화(WLTP/DHC) 연구에참여하게 됨에 따라 우리나라의 도로 종류 별, 주행 시간대 별 주행패턴 측정이 요구되었다. 이에 본 연구에서는WP29에서 제안한 주행패턴 표준화 방법을 토대로, 우리나라의 도로·교통 특성을 반영한 실 도로 주행패턴을 측정하고, 대표성을 갖는 도로 종류 별·주행 시간대별 총 7가지 유형의 주행패턴을 분석하였다. 이를 위해 이동식 차량활동도 모니터링 장비(PAMS)를 이용하여 35,410km의 실주행자료를 수집하였으며, 각 유형별로 분석된 주행패턴은 서로유의한 차이가 있는 것으로 나타났다.
ABNORMALITY DETECTION VIA SVDD TECHNIQUE OF MOTOR-GENERATOR SYSTEM IN HEV
S. G. NA,I. B. YANG,허훈 한국자동차공학회 2014 International journal of automotive technology Vol.15 No.4
This paper introduces a method to detect abnormality of MGS (Motor-Generator System) in HEV (HybridElectric Vehicle) using its temperature. The MGS in HEV consists of two Motor-Generators (MG1, MG2), Compound GearUnit, and etc. The MG1 is to act as a generator in conventional internal combustion engine. And the MG2 is an electric motorto rotate wheel of vehicle using saved electricity in battery or using produced electricity via the MG1. In case of overheating,the electric motors are easily damaged because resistance of wires in motor is abnormally changed. Therefore, detection ofabnormally changed temperature in motors (MG1 and MG2) is essential. In this study, the temperature distribution of twoMotor-Generators is observed simultaneously in 2-dimensional space. A boundary region of normal operation temperature oftwo motors is obtained via SVDD technique utilizing Gaussian kernel, one of the most widely being used Mercer kernels. Linear SVDD technique generates boundary of exact ball shape, however SVDD technique using Gaussian kernel cangenerate nonlinear boundary of distorted ball shape. Abnormality boundary comparison is made between the obtainedboundary via SVDD technique and those obtained from conventional temperature range checking method. In order to comparethe performance of proposed method, the actual vehicle operation data in excessive driving condition on mountain road isadopted. In verification, simulation shows that warning time due to proposed method is faster and more efficient than thosedue to conventional method. It is also shown that the reliability of the Motor-Generator System can be improved by using theproposed abnormality detection method.
신동진(Dongjin Shin),정명규(Myunggyu Jung),이동열(Dongyeol Lee),서재암(Jaeam Seo) 한국자동차공학회 2018 한국자동차공학회 부문종합 학술대회 Vol.2018 No.6
Logic prototyping environment based on model code generation is developed in VDMS(Vehicle Data Monitoring System). C code generation using Matlab Embedded Coder, matching S/W between model input/output and CAN signal, realtime task scheduler environment running on VDMS application processor is implemented. This paper examines the process and result of the VDMS logic prototyping environment.