지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Traffic data collected using advanced equipment are highly valuable for traffic planning and efficient road operation. However, there is a problem regarding the reliability of the analysis results due to equipment defects, errors in the data aggregation process, and missing data. Unlike other detectors installed for each vehicle lane, radar detectors can yield different error types because they detect all traffic volume in multilane two-way roads via a single installation external to the roadway. For the traffic data of a radar detector to be representative of reliable data, the error factors of the radar detector must be analyzed. This study presents a field survey of variables that may cause errors in traffic volume collection by targeting the points where radar detectors are installed. Video traffic data are used to determine the errors in traffic measured by a radar detector. This study establishes three types of radar detector traffic errors, i.e., artificial, mechanical, and complex errors. Among these types, it is difficult to determine the cause of the errors due to several complex factors. To solve this problem, this study developed a radar detector traffic volume error analysis model using a multiple linear regression model. The results indicate that the characteristics of the detector, road facilities, geometry, and other traffic environment factors affect errors in traffic volume detection.
목차
Abstract
1. Introduction
2. Literature review
3. Methodology
4. Study data
5. Results
6. Conclusions
References
참고문헌 (18)
참고문헌 신청
Choi, S.Y., Han, K.Y., and Kim, B.H. (2012), Comparison of different multiple linear regression models for real-time flood stage forecasting, Journal of the Korean Society of Civil Engineers, Vol. 32, No. 1B, pp. 9-20. (in Korean with English abstract)
Choi, W.J. (2010), A study on the performance test and cause analysis of errors of PCMCW radar VDS, Master’s thesis, Hongik University, Seoul, Korea, 67p.
FHWA. (2006), Traffic Detector Handbook: Third Edition Volume I, Publication No. FHWAHRT-06-108, Washington, DC, USA: Federal Highway Administration(FHWA), pp. 1-291.
Jang, J.H., Park, C.S., Baek, N.C., and Lee, M.Y. (2005), Analysis on video image detection system performance by vehicle speed, Journal of Korean Society of Transportation, Vol. 23, No. 5, pp. 105-112. (in Korean with English abstract)
Jo, W.B., Kim, Y.S., Choi, J.S., Kim, S.Y., and Kim, J.G. (2010), Development of operating speed prediction models reflecting alignment characteristics of the upstream road sections at four-lane rural uninterrupted flow facility, Journal of Korean Society of Transportation, Vol. 28, No. 5, pp. 141-153. (in Korean with English abstract)
Choi, W.J. (2010), A study on the performance test and cause analysis of errors of PCMCW radar VDS, Master’s thesis, Hongik University, Seoul, Korea, 67p.
FHWA. (2006), Traffic Detector Handbook: Third Edition Volume I, Publication No. FHWAHRT-06-108, Washington, DC, USA: Federal Highway Administration(FHWA), pp. 1-291.
Jang, J.H., Park, C.S., Baek, N.C., and Lee, M.Y. (2005), Analysis on video image detection system performance by vehicle speed, Journal of Korean Society of Transportation, Vol. 23, No. 5, pp. 105-112. (in Korean with English abstract)
Jo, W.B., Kim, Y.S., Choi, J.S., Kim, S.Y., and Kim, J.G. (2010), Development of operating speed prediction models reflecting alignment characteristics of the upstream road sections at four-lane rural uninterrupted flow facility, Journal of Korean Society of Transportation, Vol. 28, No. 5, pp. 141-153. (in Korean with English abstract)
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