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수동변속 차량의 변속 패턴 분석을 위한 장치의 개발(Ⅰ)
선우명호(M.Sunwoo),이재인(J.Lee),이우택(W.Lee),차호석(H.Cha),정규봉(K.Jung),지호석(H.Ji),이기성(K.Lee) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_1
This is a study on a test system newly developed for analyzing the shift pattern of a manual transmission vehicle. This system which is called a Computer Aided Shift-survey System(CASS) can be used to develop a representative shift pattern for the EPA fuel economy test as well as for the catalytic converter durability test.<br/> The CASS mainly consists of a microcontroller(68HCll) and a notebook computer. It monitors gear position and vehicle speed by optical sensors. Whenever a driver shifts a gear, the CASS analyzes the shift pattern in real-time. The real-time processing test version is completed and shows satisfactory performances, and the final version which can perform post-processing as welt as real-time processing is being developed.<br/>
수동변속 차량의 변속 패턴 분석을 위한 장치의 개발(Ⅱ)
선우명호(M.Sunwoo),이재인(J.Lee),이우택(W.Lee),김재수(J.Kim),지호석(H.Ji),박찬봉(C.Park) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_1
A test system for analyzing the shift pattern of a manual transmission vehicle was newly developed and tested. This system which is called a Computer Aided Shift-survey System(CASS) can be used to develop a representative shift pattern for the EPA fuel economy test as well as for the catalytic converter durability test.<br/> The CASS is a stand-alone system based on the 68HC11 microcontroller, and it also works with a personal computer. The CASS monitors and records the gear position, vehicle speed and engine speed by optical sensors. After finishing the test, the CASS can analyze the shift pattern. Both the real-time processing and the post processing function are available.<br/> During the test in the United States, the CASS is proved to be an efficint computer aided test system in terms of ease of use, accuracy of the data, and reliability of the system.<br/>
퍼스날 컴퓨터를 이용한 Driver Aid System 개발
선우명호(M.Sunwoo),지호석(H.S.Jee) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_2
A computer aided test system is newly developed for vehicle emission tests. This system is designed for emission engineers and test drivers with the aim of being cost-effective and easy-to-use. The driver utilizes the system during EPA certification tests for catalytic converters together with a chassis dynamometer, and it is named an Advanced Driver Aid System (ADAS).<br/> Compared to currently-existing Driver Aid Systems (DAS), the ADAS has a couple of unique features. These features are 1) to be able to be connected to any existing IBM compatible PC with a CPU of 80486 or faster processing capability, 2) to provide post-processing capabilities with logged test data files, and 3) to employ mode making environment to create the own specific test procedures. The ADAS also maximizes the visual capability' of a personal computer using Turbo C's graphics library.<br/> During real-time experimental tests, the .ADAS shows satisfactory performances. However, higher resolution encoder signal from the chassis dynamometer is recommended to obtain better performances of the ADAS.<br/>