Hitoshi Tokunaga's web page

Japanese version is here.

• 1999.3 Doctor of Engineering, Hokkaido University
• 1999.4 Researcher, Mechanical Engineering Laboratory
• 2001.4 Researcher, Digital Manufacturing Research Center, AIST
• 2006.10 Senior Researcher, Digital Manufacturing Research Center, AIST
• 2010.4 Senior Researcher, Advanced Manufacturing Research Institute, AIST

Research Projects

• Design Support using Particle Method Simulation
• Software Development and Operation Framework for Design and Manufacturing (MZ Platform)
• Application of Geometrical Methods to Mechanical Design & Motion Analysis

Major Publications

• H. Tokunaga, Y. Motoyama, T. Okane: Particle Method Simulation of Direct-Chill Casting Process Including Breakout, The International Journal of Advanced Manufacturing Technology, 129, (2023) 4407.
• H. Tokunaga, Y. Motoyama, K. Iwamoto, T. Okane: Thermo-Fluid Simulation Using Particle Method Based on Hand-Pouring Motion in Casting Process, The International Journal of Advanced Manufacturing Technology, 111, (2020) 371.
• H. Tokunaga, Y. Motoyama, T. Okane: Particle Method Simulation for Formation and Flow of Cold Flakes in High-Pressure Die Casting, International Journal of Metalcasting, 13, 4, (2019) 897.
• H. Tokunaga, T. Okane, T. Okano: Application of GPU-Accelerated SPH Fluid Simulation to Casting Design, Proc. 2012 ACDDE, (2012) 100.
• H. Tokunaga, N. Matsuki, H. Sawada, T. Okano, Y. Furukawa: A Robot Simulator for Manufacturing Tasks on a Component-Based Software Development and Execution Framework, Proc. IEEE ISATP 2005, (2005).
• H. Tokunaga, T. Okano, N. Matsuki, F. Tanaka, T. Kishinami: A Method to Solve Inverse Kinematics Problems Using Lie Algebra and its Application to Robot Spray Painting Simulation, Proc. ASME DETC 2004, (2004).
• H. Tokunaga, N. Matsuki, S. Imamura, F. Tanaka, T. Kishinami: Reconfiguration of Kinematic Structure for Changing Motion Requirement Based on Reusability Evaluation in Lie algebra, Proc. ASME DETC 2002, (2002).
• H. Tokunaga, K. Itakura, F. Tanaka, T. Kishinami: Constraint Representation and Reduction Based on Lie Algebra in Assembly Model, Geometric Modeling: Theoretical and Computational Basis Towards Advanced CAD Applications, Kluwer Academic Publishers, pp.179-190, (2002).