Journal Papar
[1]. Xue, K., Nagayama, T. ,Zhao, B. (2020) “Road profile estimation and half-car model identification through the automated processing of smartphone data,” Mechanical Systems and Signal Processing, 142.
[2]. Zhao, B., Nagayama, T., Xue, K. (2019) “Road profile estimation, and its numerical and experimental validation, by smartphone measurement of the dynamic responses of an ordinary vehicle,” Journal of Sound and Vibration, 457, pp. 92-117.
[3]. Wang, H., Nagayama, T., and Su, D. (2019) “Estimation of dynamic tire force by measurement of vehicle body responses with numerical and experimental validation”, Mechanical Systems and Signal Processing, 123, pp.369-385.
[4]. Nagayama, T., Zhao, B.Y., and Xue, K. (2019) “Half car model identification and road profile estimation using vibration responses of a running vehicle” Journal of Japan Society of Civil Engineers, Ser. E1, pp. 1-16, (in Japanese).
[5]. Yamaguchi, T., Nagayama, T., and Su, D. (2019) “Simple and accurate estimation of road profile by a Kalman filter using dynamic response of a bicycle” Journal of Japan Society of Civil Engineers, Ser. E1, pp.17-26, (in Japanese).
[6]. Wang, H., Nagayama, T., Nakasuka, J., Zhao, B., and Su, D. (2018). “Extraction of bridge fundamental frequency from estimated vehicle excitation through a particle filter approach”, Journal of Sound and Vibration, 428, pp.44–58.
[7]. Nakasuka, J., Wang, H., and Nagayama, T. (2018) “Extraction of the bridge natural frequency based on road profile estimation using vehicle response measurement”, Journal of Structural Engineering A, JSCE, 64A, pp.325-332 (in Japanese).
[8]. Zhao, B.Y., and Nagayama, T. (2017). “IRI estimation by the frequency domain analysis of vehicle dynamic responses.” Procedia Engineering 188, pp.9-16.
[9]. Wang, H., Nagayama, T., Zhao, B., and Su, D. (2017) “Identification of moving vehicle parameters using bridge responses and estimated bridge pavement roughness”, Engineering Structures, 153, pp.57-70.
[10]. Zhao, B.Y., Nagayama, T., Toyoda, M., Makihata, N., Takahashi, M., and Ieiri, M. (2017) “Vehicle model calibration in the frequency domain and its application to large-scale IRI estimation”, Journal of disaster research, 12(3), pp. 446-455.
[11]. Asakawa, H., Nagayama, T., Fujino, Y., Nishikawa, T., Akimoto, T., and Izumi, K. (2012). “Development of a simple pavement diagnostic system using dynamic responses of an ordinary vehicle.” Journal of Japan Society of Civil Engineers, Ser. E1 (Pavement Engineering), 68 (1) pp.20-31 (in Japanese).
Conference Papar
[1].Xue, K., Nagayama, T., and Su, D. (2019) “Road condition evaluation using smartphone based sensing and data assimilation techniques”, Proc. of 9th International Conference on Structural Health Monitoring of Intelligent Infrastructure, St. Loius, USA.
[2].Xue, K., Nagayama, T., Zhao, B.Y. (2019) Quarter Car Parameter Estimation with Application to Road Condition Evaluation Using a Smartphone. Experimental vibration analysis of civil engineering structures (EVACES), Nanjing, China.
[3]. Xue, K., Nagayama, T. (2019) “Road Profile Estimation and Output-only Half-Car Model Identification and its Application to Smartphone Measurement, Proc. of 74th JSCE Annual conference, V-453.
[4]. Yamaguchi, T., Nagayama, T., and Su, D. (2019) “Estimation of Road Profile by a Inclination and Dynamic Response of a Bicycle, Proc. of 74th JSCE Annual conference, V-454.
[5]. Zhao, B.Y., Nagayama, T., and Su, D. (2017). “Road Profile Evaluation Using Multiple Dynamic Responses from Ordinary Vehicles”, Proc of ANCRiSST 2017, Tokyo.
[6]. Zhao, B., Nagayama, T., Makihata, N., Toyoda, M., Takahashi, M., and Ieiri, M.(2016). “IRI estimation by the frequency domain analysis of vehicle dynamic responses and its large-scale application.” The 13th International Conference on Mobile and Ubiquitous Systems: Computing Networking and Services, pp.41-46.
[7]. Thiyagarajan,J.S., Zhao, B.Y., Su, D., and Nagayama, T. (2016), “An observability analysis for profile estimation through vehicle response measurement”, Proceedings of the International Conference on Smart Infrastructure and Construction, Cambridge, UK. 27–29 June 2016.
[8]. Makihata, N. Zhao, B., Toyoda, M., Takahashi, M, Ieiri, M., and Nagayama, T. (2016). “Large-scale road surface evaluation using dynamic responses of commercial vehicles”, Proceedings of the International Conference on Smart Infrastructure and Construction, Cambridge, UK. 27–29 June 2016.
[9]. Su,D., Nagayama, T., Irie, M., and Fujino ,Y. (2013). “Development of a stereo camera system for road surface assessment.” SPIE Smart Structures and Materials+ Nondestructive Evaluation and Health Monitoring.
[10]. Nagayama, T., Miyajima, A., Kimura, S., Shimada, Y., and Fujino, Y. (2013). “Road condition evaluation using the vibration response of ordinary vehicles and synchronously recorded movies,” Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013, Proc. of SPIE volume 8692, San Diego, USA.
[11]. Asakawa, H., Fujino, Y., Nagayama, T., and Ohsumi, M. (2008). “Development and application of road monitoring system using dynamic response of vehicles.” Proc., 11th East Asia-Pacific Conference on Structural Engineering & Construction, Taipei, Taiwan.
Award
[1]. The Prize for Science and Technology (Development Category), the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology,“the development of a precise road condition evaluation technique based on smartphone measurement”, 2019/04/17.
[2]. Award for excellent presentation, SI2018, “Automation of road profile evaluation using vehicle responses”, 2019/03/05.
[3]. ASOCIO Award Outstanding ICT Company Award, “DRIMS road condition evaluation system using a smartphone”, 2018/11/08.
[4]. JISA Awards 2018 Winner, “DRIMS road condition evaluation system using a smartphone”, 2018/06/12.
[5]. Dean Award of Engineering Department in the University of Tokyo, “Road roughness evaluation based on the identification of vehicle rigid body motion models and inverse analysis of vehicle responses”, 2018/03/26.