Develpment of Firefighting helicopter system for skyscrapers

2019 Fiscal Year Final Research Report

• Project/Area Number: 17K06268
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Intelligent mechanics/Mechanical systems
• Research Institution: Osaka City University
• Principal Investigator: IMADU ATSUSHI 大阪市立大学, 大学院工学研究科, 講師 (80440246)
• Project Period (FY): 2017-04-01 – 2020-03-31
• Keywords: マルチコプター / 消防 / 放水

Outline of Final Research Achievements

We proposed a system in which a small multicopter is suspended from a helicopter with a hose, and the suspended multicopter approaches the fire to discharge water to a fire in a high-rise building.
First, we have developed a method to control the attitude of the multicopter by combining the thrust of the rotors. And we proposed a water discharge planning method to hits the target fire point by adjusting the water trajectory by swinging up the multi-copter and controlling the yaw its direction.
Scaled down experiments illustrated the validity of the discharging system, where the multicopter was suspended by a 14m length hose from the fixed point and discharged water with rate of that of about 70% of the indoor fire hydrant.

Free Research Field

ロボティクス

Academic Significance and Societal Importance of the Research Achievements

本研究期間中はスケールダウンモデルでの検証にとどまったものの、ぶれの少ない放水を行うことができ、到達点の調整もできることが分かった。これにより、はしご車による放水が到達しない高層ビル火災や、消防士が立ち入るのが危険なプラント・工場火災などの消火や延焼防止に適用できる可能性を示した。マルチコプターは観測や計測といった力を要しない用途に使われることが多いが、マルチコプターの新しい活用方法の一つを提案することができたと考えている。