UNDERWATER SOLAR INSPECTION DRONE USES PARACHUTE TO PREVENT SINKING WHEN FALLING

UNDERWATER SOLAR INSPECTION DRONE USES PARACHUTE TO PREVENT SINKING WHEN FALLING

    Nippon Kayaku is developing a safety device for drones (small unmanned aerial vehicles) called the ``Floating Parachute System.'' On March 26, it was reported that an aircraft Drones equipped with this system were used experimentally to test a floating solar power plant and it was confirmed that it could be done without any problems.

    (Source: Nippon Kayaku)

    Parachute buoy system
    (source: Nippon Kayaku)

     The use of drones over water is increasing, including floating solar power plants, offshore wind power plants and logistics using rivers, seas and skies. Among them, companies that own testing equipment, river management organizations and port organizations are questioning the safety of drones, such as whether drones can sink in water if dropped, whether it can be recovered, and whether parts of the drone will be scattered. and marine pollution It is expected that the number of comments and problems related to the activity is increasing.

    (Source: Nippon Kayaku)

    Moving image when falling
    (Source: Nippon Kayaku)

    The float parachute system developed by the company is a safety device for drones flying on water, integrating the function of floating on the water surface (float) and the function of minimizing impact when falling (parachute). Equipped with this system, even if the plane falls into the water, the parachute will cushion the impact and the buoy will lift the plane, allowing it to be recovered.

    (Source: Nippon Kayaku)

    Results of verifying the remaining battery capacity during a mission flight
    (Source: Nippon Kayaku)

    This inspection and verification was carried out in collaboration with the Kawashima Town Land Reclamation District, Saitama Prefecture, Taiyo Green Energy (Arashiyama Town, Saitama Prefecture), ALSOK and GoFly (Minato Ward, Tokyo). Carry out inspection work using drones. at the photovoltaic plant. GoFly is responsible for planning and operations.
    According to an interview with ALSOK, the company in charge of operating the drone, there is no difference in the feel of the drone with or without the system, flights and mission images was not affected and there were no problems with the inspection. Additionally, when comparing the reduction in remaining battery power during a mission flight lasting 11 minutes 39 seconds at an altitude of 40 m, the difference in reduction was only 5% depending on whether the system was installed or not. or not, this has a significant impact on flight time.

    Nippon Kayaku will continue to develop the system with the goal of selling the system after 2025.

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