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BCM 소프트웨어 검증을 위한 HIL기반의 자동화 테스트
정하철(Hachul Jeong),손세훈(Sehoon Son) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
As the growing number of electric/electronic devices in the vehicle tends to be more likely general, more requirements are added and complicated systems are implemented. Moreover it comes with serial data communication between controllers in the subsystem or system level. In an effort to meet the target of development and continue on pursuing the better quality at the same time there has been various different ways of approach to execute validation and verification testing on system or subsystem level. In a similar vein, General Motors has developed the HIL(Hardware-In-The-Loop) based automation testing configuration. The object of this test environment is genuinely to reduce issues down to the lowest possible level as to secure more reliable vehicle quality. Furthermore, it is expected to provide test environment for complex and repetitive test cases under various different conditions. The HIL based automated testing is a process of writing test procedures to execute the test and build a model for operating interface. Once tests have been automated, they can be run quickly and repeatedly. This can be cost effective method once tests are laborious and time consuming. Also it may be effective in finding certain classes of defects. This article shows about what HIL based automation testing from GM can provide through experimental testing execution.
Agglomerated film model 을 이용한 용융탄산염 연료전지용 perovskite 음극의 성능예측
임준혁,이병선,정하철,김윤성,위정호,전해수 ( Jun Heok Lim,Byung Sun Lee,Ha Chull Chung,Yun Sung Kim,Jung Ho Wee,Hai Soo Chun ) 한국공업화학회 1997 응용화학 Vol.1 No.1
A dual-porosity filmed agglomerate model for the porous cathode of the molten carbonate fuel has been investigated to predict the perovskite type cathode performance. The model predicts steady-state cell performance, given the above conditions that characterize the state of the perovskite electrode. Also, the effective surface area of electrode pore was obtained by mercury porosimeter. The results of the investigation are presented in the form of plots of overpotential vs. current density with varied the electrode material, gas composition and mechanism. The predicted polarization curves are compared with the empirical data from 1 ㎠ cell.