All Stories

  1. Thrust variations in small rotors due to corner and vertex effects on the ground side

    Article • The Aeronautical Journal, January 2025, Cambridge University Press

    Assistant Professor Hikaru Otsuka

  2. Single-Use Aircraft Launch System with Small Helium Balloon for 1 kPa Flight Testing

    Article • Journal of Robotics and Mechatronics, October 2024, Fuji Technology Press Ltd.

    Assistant Professor Hikaru Otsuka

  3. Fountain Flow Visualization in Quadrotor Wake Decreasing Rotor Thrust in-Ground Effect

    Article • Journal of Aircraft, May 2024, American Institute of Aeronautics and Astronautics (AIAA)

    Assistant Professor Hikaru Otsuka

  4. In-flight Rotor Blade Tip Damage Detection of Small Multirotor using Ultrasonic Sensors

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

    Assistant Professor Hikaru Otsuka

  5. Basic Understanding of Airfoil Characteristics at Low Reynolds Numbers (104–105)

    Article • Journal of Aircraft, May 2018, American Institute of Aeronautics and Astronautics (AIAA)

    Professor, Director of Gessow Rotorcraft Center Inderjit Chopra, Assistant Professor Hikaru Otsuka, Justin Winslow

  6. Pitching Moment Caused by Rotor Flow Interference on a Small Quad-rotor Unmanned Aerial Vehicle in a Uniform Flow

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

    Assistant Professor Hikaru Otsuka

  7. Pitching moment reduction of quadrotor in uniform flow

    Article • International Journal of Micro Air Vehicles, December 2017, SAGE Publications

    Assistant Professor Hikaru Otsuka

  8. Reduction of Pitching Moment Generation of a Quadrotor UAV in Gust with Slant Rotors

    Article • January 2017, American Institute of Aeronautics and Astronautics (AIAA)

    Assistant Professor Hikaru Otsuka

  9. Effect of Reynolds Numbers of 10,000 to 100,000 on Rotor Blades of Small Unmanned Aerial Vehicles

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

    Assistant Professor Hikaru Otsuka

  10. Thrust loss saving design of overlapping rotor arrangement on small multirotor unmanned aerial vehicles

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Assistant Professor Hikaru Otsuka

  11. Evaluation of Hovering Thrust Performance of Shrouded Rotors for Multi-rotor UAVs to Reduce Weight

    Article • January 2015, American Institute of Aeronautics and Astronautics (AIAA)

    Assistant Professor Hikaru Otsuka

  12. Volcanic ash observation in active volcano areas using teleoperated mobile robots - Introduction to our robotic-volcano-observation project and field experiments

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Assistant Professor Hikaru Otsuka