Affiliation:
1. Rashtreeya Vidyalaya College of Engineering
Abstract
This paper presents a way to build an autonomous obstacle avoiding helicopter. This helicopter is built on an ATmega8 microcontroller which has been programmed using Arduino. It basically has 3 infra-red sensors (LM358), one in- front, one at the left and one at the right. It has 3 DC motors, two at the top and one at the rear. There are 2 H-bridges (L293D) mounted on it to provide the driving mechanisms for the motors. There are three DC motors with rated voltage of 3.7V used. Once the helicopter has been turned on, it rises about 10cms above the ground and starts moving straight until an obstacle has been detected by the front sensor. It then starts turning right until the obstacle is no longer obstructing its movement. If the sensor on the left detects an obstacle it turns right, vice-versa. If there are obstacles on all three sides, it comes to a halt. It continues doing this until it has been brought to rest by switching it off.
Publisher
Trans Tech Publications, Ltd.
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1 articles.
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