Researches

o A Comprehensive Approach for Data Scarcity Problem in Real-Time OD Matrix Estimation, Journal of Japan Society of Civil Engineers, D3, Vol.67, No.5, I-1127, 2011

o Assignment-Matrix-Free Dynamic Estimation of Origin-Destination Matrices, Journal of Japan Society of Civil Engineers, D3, Vol.67, No.3, pp.327-338, 2011

o Unscented Kalman Filter-Based Real-Time Traffic State Estimation, 86th Annual Meeting of Transportation Research Board, CD-ROM (2007)

o Estimation of Turning Movements at Intersections: Joint Trip Distribution and Traffic Assignment Program Combined with a Genetic Algorithm, Transportation Research Record No.1882, pp.53-60 (2004)

o Application of Probe Vehicle Data for Real-Time Traffic State Estimation and Short-Term Travel Time Prediction on a Freeway, Transportation Research Record No.1855, pp.49-59 (2003)

o Dynamic Estimation of Traffic States on a Freeway Using Probe Vehicle Data, 土木学会論文集No. 730/IV-59, pp.43-54 (2003)

o フィードバック原理に基づく交通状態推定手法を応用した高速道路上起終点旅行時間の推定、土木学会論文集、No. 695/IV-54, pp.137-148 (2002)

Keywords: Unscented Kalman Filter, User Equilibrium, Traffic Density, OD Flow, OD Travel Time, Traffic Detector, Probe Car Data

§ Traffic Flow Analysis Based on RTK-GPS Data

Anymptotic Stability and Vehicle Safety in Dynamic Car-Following Platoon. In Transportation Research Record: Journal of the Transportation Research Board, No. 2088, Transportation and Research Board of the National Academies, Washington, D.C., pp. 198-207(2008)

Experimental Analysis of Car Following Dynamics and Traffic Stability Based on GPS Data, Transportation Research Record No.1934, pp.22-32 (2005)

A Contemporary Reassessment of GM Car-Following Model Using RTK-GPS Data, 土木学会論文集, No.793/IV-68, pp.121-132 (2005)

Performance Evaluation of Microscopic Traffic Flow Models Using Test Track Data, Transportation Research Record No.1876, pp.90-100 (2004)

Stability Analysis Based on Instantaneous Driving Behavior Using Car Following Data, Transportation Research Record No.1852, pp.140-151 (2003)

Keywords: RTK-GPS, Car-following, Lane-changing, Reaction time, Driver behavior

§ Traffic Safety/Accident Reconstruction

o Remedying Traffic Accidents at Intersections Through the Use of ITS Technology, Asian Transport Studies, Vol. 2, Issue 2, pp.178-193, 2012

o Applied ITS Technology for Mitigation of Traffic Impacts at Urban Intersections in Bangkok, Advanced Materials Research Journal, Y071, 2012

o Impact of Road Surface Conditions on Human Driving Behavior, Journal of the Eastern Asia Society for Transportation Studies. Vol.9, pp. 1614-1627, 2011

o Mitigating Traffic Congestion and Accidents in Thailand with Intelligent Transportation System Technology, Transportation Research Record: Journal of the Transportation Research Board, No.2239, pp.41-55, 2011

o Taking Tire Slip Ratio into Account and Estimating Friction Coefficients in Rear-End Collision on Winter Roads, Transportation Research Record No.1741, pp.97-103 (2001)

Keywords:

§ Winter Maintenance

On-line Estimation of Friction Coefficients of Winter Road Surfaces Using Unscented Kalman Filter, Transportation Research Record, Transportation Research Board, Washington, pp.113-122, No. 2015( 2007)

Inverse Estimation of Friction Coefficients of Winter Road Surfaces: New Considerations of Lateral Movements and Angular Movements, Transportation Research Record No.1911, pp.149-159 (2005)

Relationship between Winter Road-Surface Conditions and Vehicular Motions: Measurements by Robe Vehicles Equipped with Global Positioning, Transportation Research Record No.1824, pp.106-114 (2003)

Keywords: friction coefficient, Inverse estimation tire model, unscented Kalman filter