Faculty Profiles - YAMAMOTO Toshiyuki

Papers - YAMAMOTO Toshiyuki

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Study on the cost-effectiveness of a probe vehicle system at lower transmission frequencies

Kai Liu, Toshiyuki Yamamoto and Takayuki Morikawa

Proceedings of 5th ITS Symposium 2006 page： 335-340 2006

Language：English

One serious problem of continuous large-scale data collection with probe vehicle is the dilemma of balancing the cost economization and system reliability improvements. The polling frequency is found to be the major factor that determines the operation cost of a probe vehicle-based traffic data collection system. This paper focuses on evaluating the cost-effectiveness of probe data at various space-based intervals, which are expected to provide roadway travel time estimation at certain reliability. The proposed optimization framework concentrates on the least total operation cost by combining the polling frequency and the required probe size, which gives a simple and valuable solution on the issue of cost-effective traffic data collection.

Improving the method of link travel time measurement from infrequent probe data

Kai Liu, Toshiyuki Yamamoto and Takayuki Morikawa

Proceedings of Infrastructure Planning Vol. 34 page： CD-ROM 2006

Analysis of effects of carsharing on car ownership and travel behavior

Toshiyuki Yamamoto, Hiroe Naruse and Takayuki Morikawa

Vol. 34 page： CD-ROM 2006

Estimating delay time at signalized intersections by probe vehicles Reviewed

Liu, K., Yamamoto, T. and Morikawa, T.

Proceedings of ICTTS 2006 page： 644-655 2006

An analysis of effects of rainfall on travel speed at signalized surface road network based on probe vehicle data Reviewed

Wang, L., Yamamoto, T., Miwa, T. and Morikawa, T.

Proceedings of ICTTS 2006 page： 615-624 2006

Variability of travel time estimates using probe vehicle data, Traffic and Transportation studies Reviewed

Yamamoto, T., Liu, K. and Morikawa, T.

Proceedings of ICTTS 2006 page： 278-287 2006

公共交通利用に対するポイント制度「交通エコポイント」への参加意向および交通手段選択に影響を及ぼす意識要因の分析 Reviewed

倉内慎也，永瀬貴俊，森川高行，山本俊行，佐藤仁美

土木計画学研究・論文集 Vol. 23 page： 575-583 2006

プローブカーデータとVICSデータの融合による旅行時間推定に関する研究 Reviewed

王立暁，姜美蘭，山本俊行，森川高行

土木計画学研究・論文集 Vol. 23 page： 1011-1018 2006

タクシー配車データのプローブデータとしての活用に関する基礎的分析 Reviewed

山本俊行，劉鍇，森川高行

土木計画学研究・論文集 Vol. 23 page： 863-870 2006

駅アクセスに着目した新規都市鉄道の需要予測に関する実証的研究

倉内慎也，横地達雄，山本俊行，森川高行