Masahisa Watanabe, Keisuke Kazama, Kenshi Sakai,Numerical analysis on tractor axle suspension for steering instability induced by bump disturbances,

Biosystems Engineering,Volume 242, 2024, pp100-106

KEISUKE  KAZAMA  ,  KAZUMA KASHIWABARA ,  MASAHISA WATANABE ,  KENSHI SAKAI, Driving Stability of an Agricultural Articulated Vehicle based on the Closed-loop System, Volume： 86  Issue： 1  Page： 44-51  Publication year： Jan. 01, 2024.

Watanabe, M., Sakai, K.  Delayed feedback control for chaotic vibration in nonlinear impact dynamics of bouncing agricultural tractor. Sci Rep 13, 10695 (2023). 

Masahisa Watanabe, Kenshi Sakai, ”Dynamic Instability Assessment of Nonlinear Tractor Dynamics based on Lypaunov Exponents,” Japanese Society of Agricultural Machinery and Food Engineers, Journal of the Japanese Society of Agricultural Machinery and Food Engineers , vol.84, no.3 , pp.166-175, 2022.

Masahisa Watanabe, Kenshi Sakai, " Identifying tractor overturning scenarios using a driving simulator with a motion system ", Biosystems Engineering, 2021, Volume 210, pp261-270

Masahisa Watanabe, Kenshi Sakai, “Novel power hop model for an agricultural tractor with coupling bouncing, stick-slip, and free-play dynamics”, Biosystems Engineering, 2021, Volume 204, pp156-169

Masahisa Watanabe, Kenshi Sakai, "Numerical analysis of steering instability in an agricultural tractor induced by bouncing and sliding", Biosystems Engineering, 2020, Volume 192, pp108-116

Masahisa Watanabe, Kenshi Sakai, "Impact dynamics model for a nonlinear bouncing tractor during inclined passage", Biosystems Engineering, 2019, Volume 182, pp84-94

Masahisa Watanabe, Kenshi Sakai, ”Algorithm of generating road for tractor driving simulator,” Japanese Society of Agricultural Machinery and Food Engineers, Journal of the Japanese Society of Agricultural Machinery and Food Engineers , vol.79, no.2 , pp.149-157, 2017.

Watanabe, M., Kazama, K., & Sakai, K. (2023). Development of nonlinear bouncing tractor model with semi-active axle suspension system. In 2023 ASABE Annual International Meeting (p. 1). American Society of Agricultural and Biological Engineers.

Masahisa Watanabe, & Kenshi Sakai. (2020). Nonlinear Dynamics of a Bouncing Tractor in a Tractor Driving Simulator. In 2020 ASABE Annual International Virtual Meeting (p. 1). American Society of Agricultural and Biological Engineers.

Masahisa Watanabe, Kenshi Sakai, "Stick Slip Vibration in Tractor Dynamics ", NOLTA 2019, Kuala Lumpar, Malaysia, December, 2-6, 2019.

Masahisa Watanabe, Kenshi Sakai (2019, Sep.), "Investigation by Driving Simulation of Tractor Overturning Accidents Caused by Steering Instability", 13th CIGR VI Technical Symposium, Sapporo, Japan, September 3-6, 2019.

Masahisa Watanabe, Kenshi Sakai, (2019, July). Development of Tractor Bicycle Model with Ride Vibration. In 2019 ASABE Annual International Meeting (p. 1). American Society of Agricultural and Biological Engineers.

Masahisa Watanabe, Kenshi Sakai, "Numerical Analysis of Tractor Accidents using Driving Simulator for Autonomous Driving Tractor", Proceedings of 2019 5th International Conference on Mechatronics and Robotics Engineering.

Masahisa Watanabe, Josef Bauerdick, Kenshi Sakai, Heinz Bernhardt, "Comparison of jumping process between small-sized and large-sized tractors", Berichte der GIL, 38. GIL-Jahrestagung, Gesellschaft für Informatik in der Land-, Forst,- und ernährungswirtshaft-Jahrestagung, pp247, 2018.

Masahisa Watanabe, Kenshi Sakai, “NONLINEAR DYNAMICS OF THREE-DIMENSIONAL TRACTOR MODEL INCORPORATING BOUNCING PHENOMENON”, The Proceedings of the 9th International Symposium on Machinery and Mechatronics for Agricultural and Biosystems Engineering, 2018.

Masahisa, Watanabe. Kenshi, Sakai. "Development of a Nonlinear Tractor Model using in Constructing a Tractor Driving Simulator, " ASABE paper, In 2017 ASABE Annual International Meeting (p. 1). American Society of Agricultural and Biological Engineers, No. 1700374, 2017.

Grant-in-Aid for Early-Career Scientists 23K14043(2023.4-2026.3)

Title：Development of tractor driving simulator for safey education purpose using XR technology

Budget：4,680,000 yen

Grant in Aids for young researchers 19J11183 (2019.4-2021.3)

Title：Development of tractor driving simulator for reduction of overturning accidents

Budget：2,100,000 yen

Oversea presentation aids for young researchers (JSAM, 2019)

Title：Development of Tractor Bicycle Model with Ride Vibration

Budget：150, 000 yen

Special budget for leading graduate school at Tokyo University of Agriculture and Technology (2018)

Title：Tractor overturning mechanism clarification and control logic development using tractor driving simulator with nonlinear elements 

Budget：300, 000 yen

Japanese Society of Agricultural Machinery and Food Engineers: j-sam.org/ 

The Society of Instrument and Control Engineers : www.sice.jp/ 

The Society of Automotive Engineers of Japan, Inc. : Society of Automotive Engineers of Japan, Inc. (jsae.or.jp) 

American Society of Agricultural and Biological Engineers : www.asabe.org/ 

Institute of Electrical and Electronics Engineers:https://www.ieee.org/

JSAM Research paper award (2018): Algorithm of generating road for tractor driving simulator

Education

Ph.D. in Agricultural and Environmental Engineering, 

Tokyo University of Agriculture and Technology

B.S. in Agricultural and Environmental Engineering, 

Tokyo University of Agriculture and Technology

Certificates

2022, Japan Statistical Society Certificate Grade 1 Semi  (The Japan Statistical Society, Japan)

2022, Course Certificate for Leading Data Analytics Talents (The Institute of Statistical Mathematics, Japan)

2021, Fundamentals of Deep Learning (NVIDIA Deep Learning Institute)

2021, Course Certificate for Data Analysis Using Python (Coursera, University of Pennsylvania)

2020, Course Certificate for Machine Learning (Coursera, Stanford University)

2020, TOEFL ibt 92/120 (ETS)

2015, TOEIC 860/990  (ETS)