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박동균(D.K.PARK),이호재(H.J.LEE),류시혁(S.H.RYU),한상휘(S.H.HAN),허웅(W.HUH) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, we present the range finding method for the moving vehicle using FMCW method. The measurable maximum distance is about six meters and we provide demodulation signal to the user for a distance information. Tested object is a single one and we used broadband ultrasonic transducer as a sonar sensors. By analyzing power spectrum, We observe the relationship between peak frequency and distance from object.<br/>
이지용(J.Y.Lee),김종환(J.W.Kim),허웅(W.Huh),서동선(D.S.Suh) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_2
In this paper, we study about correction method of vehicle unbalance for the road surface measurement.<br/> The vehicle unbalance are calculated by the displacement values that from a left and a right accelerometers. The diplacement values are derived from accelerate value by double integration.<br/> As a results of experiment. we obtain a good integration value and correction method.