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양진생(Jin Saeng Yang),이상호(Sang Ho Lee),구상화(Sang Hwa Goo),이정환(Jeong Hwan Lee),강도경(Do Kyoung Kang) Korean Society for Precision Engineering 2007 한국정밀공학회지 Vol.24 No.2
The vibration environment essentially companied by vehicle operation on the road is determined by the shape of road surface, which is called profile. In general, the profile and severity of unpaved road is an important issue in the reliability of durability test for vehicles. In order to maintain severity of unpaved road, it is necessary to develop profilometer system. We developed profilometer system which is composed of data processing computer, power unit, air compressor and sensors. This paper focuses on the severity management of unpaved test courses using neural networks. This paper presents the maintenance range for cross-country course in CPG(Chang-won Proving Ground) and the evaluation of similarity degree between unpaved roads.
비포장 시험로의 노면 굴곡 측정 및 가혹도 분석을 위한 노면굴곡측정장비 개발
양진생(Jin Saeng Yang),이상호(Sang Ho Lee),구상화(Sang Hwa Goo),배철훈(Cheol Hoon Bae) Korean Society for Precision Engineering 2007 한국정밀공학회지 Vol.24 No.1
The vibration environment essentially companied by vehicle operation on the ground is determined by the shape of road surface, which is called profile. This paper focuses on development of a profile and severity measurement system for unpaved test courses. In general, the profile and severity of unpaved road is an important issue in the reliability of endurance test. In order to measure unpaved road profile and severity, it is necessary to develop a profilometer system. The developed profilometer system is composed of data processing computer, power unit, air compressor and sensors(encoder, vertical gyro and laser displacement) This paper presents the measuring system configuration, measurement principle of road profile and analysis method of road characteristics used at CPG(Changwon Proving Ground) for this purpose.
김재열(Jae-Yeol Kim),조성래(Seong-Rae Jo),양진생(Jin-Sang Yang),김광석(Kwang-Suk Kim),전충환(Choong-Hwan Jeon),유완석(Wan-Suk Yoo) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
To estimate fuel consumption rate of a common vehicle, a car can be tested on chassis dynamometer or simulated following the driving mode which consists of time-velocity profile and time-grade profile. But estimation of the military vehicle is more difficult than common vehicle because of driving in high grade change and manual transmission. In this study, Military vehicle model is developed in MatLab Simulink to estimate real driving fuel consumption rate with time-velocity profile, time-shift gear profile and time-grade profile. On-road car tests of forward military operation area to verify the vehicle model are carried out for analyzing the result of engine torque and rpm simulation and comparing with those of the experiments.