All Stories

  1. Analytical Equations for Optimal Parameters in Preventing Tether-net Retraction Using Double-Linked Bullets

    Article • JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2025, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  2. Inverse-Kinematics Steering Laws for Double-Gimbal Scissored-Pair Control Moment Gyros

    Article • Journal of Spacecraft and Rockets, September 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  3. Design and simulation study of novel reaction wheels with adjustable inertia for enhanced attitude control

    Article • Mechanism and Machine Theory, July 2024, Elsevier

    Dr. Hirohisa Kojima

  4. Prediction and experimental verification of tether net entanglement for space debris capture

    Article • Astrodynamics, February 2024, Tsinghua University Press

    Dr. Hirohisa Kojima

  5. Underactuated Steering Control Law for Spacecraft Attitude Maneuver using Two Skewed Control Moment Gyroscopes under Path Constraint

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2024, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  6. Performance evaluation of tether-net deployment with adjustable ejection angle

    Article • Advances in Space Research, December 2023, Elsevier

    Dr. Hirohisa Kojima

  7. Allowable Initial Relative Velocity of a Net to Contact and Capture Space Debris

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2023, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  8. Backstepping-Based Steering Control for Spacecraft Attitude Control Using Two-Skewed Control Moment Gyroscopes

    Article • Journal of Guidance Control and Dynamics, November 2022, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  9. Enhancement of the attitude dynamics capabilities of the spinning spacecraft using inertial morphing

    Article • The Aeronautical Journal, November 2019, Cambridge University Press

    Dr. Hirohisa Kojima

  10. Model predictive tether-deployment control for precise landing of tethered reentry body

    Article • Advances in Space Research, October 2019, Elsevier

    Dr. Hirohisa Kojima

  11. Set-oriented design of interplanetary low-thrust trajectories using Earth Gravity Assist

    Article • Acta Astronautica, March 2019, Elsevier

    Dr. Hirohisa Kojima

  12. Discovering Method of Control of the "Dzhanibekov's Effect" and Proposing its Applications for the Possible Future Space Missions

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2019, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  13. Adaptive Time-delay Estimated Sliding Mode Control for a Bias Momentum Satellite with Two Reaction Wheels

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2019, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  14. Self-position estimation using terrain shadows for precise planetary landing

    Article • Acta Astronautica, July 2018, Elsevier

    Dr. Hirohisa Kojima

  15. Optimization of fault-tolerant thruster configurations for satellite control

    Article • Advances in Space Research, March 2018, Elsevier

    Dr. Hirohisa Kojima

  16. Solar Sail Orbital Control Using Reflectivity Variations near the Earth–Moon L2 Point

    Article • Journal of Guidance Control and Dynamics, February 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  17. Experimental study on line-of-sight (LOS) attitude control using control moment gyros under micro-gravity environment

    Article • Acta Astronautica, February 2018, Elsevier

    Dr. Hirohisa Kojima

  18. Spherical gyroscopic moment stabilizer for attitude control of microsatellites

    Article • Acta Astronautica, February 2018, Elsevier

    Dr. Hirohisa Kojima

  19. Design Concept and Development of a New Spherical Attitude Stabilizer for Small Satellites

    Article • IEEE Access, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr. Hirohisa Kojima

  20. Numerical Simulation of Tape Tether Deployment from a Storage Container

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2018, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  21. Optimal Oscillation Suppression Control for Tether Sling-Shot System

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2017, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  22. Feature-based visual servo control preserving wide-angle properties of super wide-angle lens

    Article • International Journal of Space Science and Engineering, January 2017, Inderscience Publishers

    Dr. Hirohisa Kojima

  23. Orbital Control of a Solar Sail Near the Earth-Moon L2 Point Using Reflextivity-Control-Devices

    Article • September 2016, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  24. Cluster filtering/control of bending/torsional vibrations of a tape tether using smart-film sensors/actuators

    Article • Acta Astronautica, June 2016, Elsevier

    Dr. Hirohisa Kojima

  25. Spacecraft Line of Sight Maneuver Control Using Skew-arrayed Two Single-Gimbal Control Moment Gyros

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2016, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  26. Dynamics of the Net Systems, Capturing Space Debris

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2016, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  27. Launches and Captures of the Space “Frisbees”: Dynamics Modelling and Simulation

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN, January 2016, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  28. Deployment Control of a Tethered Satellite System for Rendezvous with a Target

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2016, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  29. Modeling of tape tether vibration and vibration sensing using smart film sensors

    Article • Acta Astronautica, February 2015, Elsevier

    Dr. Hirohisa Kojima

  30. Stabilisation of in-plane periodic motion of electrodynamic tether system by combining tether length control and current control

    Article • International Journal of Space Science and Engineering, January 2015, Inderscience Publishers

    Dr. Hirohisa Kojima

  31. LMI-based control law for variable-speed control moment gyros in flexible spacecraft

    Article • International Journal of Space Science and Engineering, January 2015, Inderscience Publishers

    Dr. Hirohisa Kojima

  32. Mission-function control of tethered satellite/climber system

    Article • Acta Astronautica, January 2015, Elsevier

    Dr. Hirohisa Kojima

  33. Calculation and fitting of boundaries between elliptic and hyperbolic singularities of pyramid-type control moment gyros

    Article • Acta Astronautica, November 2014, Elsevier

    Dr. Hirohisa Kojima

  34. Frequency-tuning input-shaped manifold-based switching control for underactuated space robot equipped with flexible appendages

    Article • Acta Astronautica, August 2014, Elsevier

    Dr. Hirohisa Kojima

  35. Gain-Scheduled Steering Control Law for Adaptive Skew Pyramid-Type CMGs

    Article • JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2014, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  36. Gain-scheduled Steering Control Law for Variable Speed Control Moment Gyros

    Article • August 2013, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  37. Singularity analysis and steering control laws for adaptive-skew pyramid-type control moment gyros

    Article • Acta Astronautica, April 2013, Elsevier

    Dr. Hirohisa Kojima

  38. Spacecraft attitude maneuver using two single-gimbal control moment gyros

    Article • Acta Astronautica, March 2013, Elsevier

    Dr. Hirohisa Kojima

  39. Spacecraft Attitude Maneuver using Two Single-gimbal Control Moment Gyros

    Article • August 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  40. Experimental Study on Delayed Feedback Control for Libration of Tethered Satellite System

    Article • Journal of Guidance Control and Dynamics, May 2012, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  41. [Special Issue of In-Space Flight Experiments of Electrodynamic Tether] Deployment of Bare Electro-Dynamic Tape Tether on Sounding Rocket S520-25

    Article • AEROSPACE TECHNOLOGY JAPAN THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2012, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  42. Input-Shaped Link Motion Control of Planar Space Robot Equipped with Flexible Appendage

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2012, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  43. Space Demonstration of Bare Electrodynamic Tape-Tether Technology on the Sounding Rocket S520-25

    Article • August 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  44. Singularity Visualization and Steering Control Law of Adaptive Skew Pyramid Type CMGs

    Article • August 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  45. Experimental study on dynamics and control of tethered satellite systems with climber

    Article • Acta Astronautica, July 2011, Elsevier

    Dr. Hirohisa Kojima

  46. Libration Synchronization Control of Clustered Electrodynamic Tether System Using Kuramoto Model

    Article • Journal of Guidance Control and Dynamics, May 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  47. Trajectories of in-plane periodic solutions of tethered satellite system projected on van der Pol planes

    Article • Acta Astronautica, April 2011, Elsevier

    Dr. Hirohisa Kojima

  48. Experimental Verification of Periodic Libration of Tethered Satellite System in Elliptic Orbit

    Article • Journal of Guidance Control and Dynamics, March 2011, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  49. An Adaptive Invariant Manifold-Based Switching Control for a Planar Two-Link Space Robot

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2011, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  50. Control Moment Gyro Singularity-Avoidance Steering Control Based on Singular-Surface Cost Function

    Article • Journal of Guidance Control and Dynamics, September 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  51. Libration Synchronization Control of Clustered Electrodynamic Tether System Using Kuramoto Model

    Article • August 2010, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  52. Switching delayed feedback control for an electrodynamic tether system in an inclined elliptic orbit

    Article • Acta Astronautica, April 2010, Elsevier

    Dr. Hirohisa Kojima

  53. 2D33 Steering Control Law of Adaptive Skew Pyramid Type CMGs for Fast Attitude Maneuvers

    Article • The Proceedings of the Symposium on the Motion and Vibration Control, January 2010, Japan Society of Mechanical Engineers

    Dr. Hirohisa Kojima

  54. Stability analysis of in-plane and out-of-plane periodic motions of electrodynamic tether system in inclined elliptic orbit

    Article • Acta Astronautica, August 2009, Elsevier

    Dr. Hirohisa Kojima

  55. Adaptive Skewing Pyramid-type CMGs for Fast Attitude Maneuver

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES SPACE TECHNOLOGY JAPAN, January 2009, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  56. Receding Horizon Control on Steering of Control Moment Gyro for Fast Attitude Maneuver

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2009, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  57. Sounding rocket experiment of bare electrodynamic tether system

    Article • Acta Astronautica, January 2009, Elsevier

    Dr. Hirohisa Kojima

  58. Model Predictive Control for Deflection-Limiting Maneuver of Flexible Structure

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2009, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  59. Stabilization of Angular Velocity of Asymmetrical Rigid Body Using Two Constant Torques

    Article • Journal of Guidance Control and Dynamics, July 2007, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  60. Nonlinear Control of a Double Pendulum Electrodynamic Tether System

    Article • Journal of Spacecraft and Rockets, January 2007, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  61. Adaptive Deflection-Limiting Control for Slewing Flexible Space Structures

    Article • Journal of Guidance Control and Dynamics, January 2007, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  62. H∞ Feedback-Compensated Minimum-Bending-Moment Control for Flexible Space Structures

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2007, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  63. Estimation of Flyable Regions for Planetary Airships

    Article • Journal of Aircraft, July 2006, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  64. Fly-Around Motion Control Based on Exact Linearization with Adaptive Law

    Article • Journal of Guidance Control and Dynamics, January 2005, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  65. Nonlinear Control of Librational Motion of Tethered Satellites in Elliptic Orbits

    Article • Journal of Guidance Control and Dynamics, March 2004, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  66. Multi-Objective Trajectory Optimization by a Hierarchical Gradient Algorithm with Fuzzy Decision Logic-Application to Slew Maneuver Problems of a Flexible Space Structure-

    Article • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, January 2004, Japan Society for Aeronautical and Space Sciences

    Dr. Hirohisa Kojima

  67. Smooth Reference Model Adaptive Sliding-Mode Control for Attitude Synchronization with a Tumbling Satellite

    Article • JSME International Journal Series C, January 2004, Japan Society of Mechanical Engineers

    Dr. Hirohisa Kojima

  68. Slew Maneuver of a Flexible Space Structure with Constraint on Bending Moment

    Article • Journal of Guidance Control and Dynamics, March 2003, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  69. Optimal Trajectory Analysis for Deployment/Retrieval of Tethered Subsatellite Using Metric

    Article • Journal of Guidance Control and Dynamics, January 2003, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima

  70. Geometric Modelling

    Article • January 2001, Springer Science + Business Media

    Dr. Hirohisa Kojima

  71. Application of order-n formulation to panel deployment problem of a spacecraft

    Article • Journal of Guidance Control and Dynamics, May 1994, American Institute of Aeronautics and Astronautics (AIAA)

    Dr. Hirohisa Kojima