Developing a Small, Lightweight Helicopter as a Tool Used in Everyday Life

Sunada, Shigeru; Tokutake, Hiroshi; Ohkura, Akihiro; Matsue, Atsushi; Hirosue, Wataru

doi:10.2514/6.2004-6524

Cited by 1 publication

(3 citation statements)

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“…Autonomous hovering flight near walls [4][5][6] Three IR range finders (GP2D12 by Sharp) mounted on the helicopter measure the height of the helicopter above the ground, and the distance from two walls. The microcomputer contains a pre-programmed flight plan comprised of the required time variations in height and distances from two walls.…”

Section: Flight Testsmentioning

confidence: 99%

“…In flight, variation from the target hovering position was less than 30 cm. 5,6) An ultrasonic range finder (US2 by Besttechnologies) mounted on the helicopter measures height. Four IR photodetectors (Toshiba TPS614) are mounted on the lower duct surface as shown in Fig.…”

Section: Flight Testsmentioning

confidence: 99%

“…Such small and lightweight aircraft will be tools assisting everyday life. We also have developed a small battery-powered coaxial helicopter [4][5][6] with a total weight of about 200 g and a rotor diameter of about 35 cm. The final development goal for the helicopter is to monitor disaster zones after an earthquake and to make environmental measurements.…”

Section: Introductionmentioning

confidence: 99%

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Navigation of Small and Lightweight Helicopter

Matsue

Hirosue

Tokutake

et al. 2005

Trans. Japan Soc. Aero. S Sci.

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A small battery-powered helicopter with a total weight of about 200 g and a rotor diameter of about 35 cm has been developed. Some indoor flights were performed without a human operator using a transmitter. The helicopter is capable of autonomous hovering flight near walls when IR range finders mounted on it are used to measure distances to walls and the floor. Four mounted photodetectors permit two maneuvers. In the first maneuver, the helicopter can follow a moving light. So it can be controlled simply by moving a light, and can follow a robot or a person carrying a light. In the second maneuver, the helicopter flying over a first light can fly towards a second light, when the first light is turned off and the second light is turned on. The position of the helicopter can be controlled by successively switching (on and off) lights in a row.

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Section: Flight Testsmentioning

confidence: 99%

Section: Flight Testsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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