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Professors SK Gupta and Hugh Bruck of the United States recently led students to demonstrate to the public at the Robotics Center in Maryland a mechanically raven III micro-aircraft (MAV), a newly manufactured solar-chargeable imitation bird robot. The robot's wings use thin and light solar cells, which provide about 10% of its energy for flight. When the bird is still, the battery can charge for its next flight.
According to Professor Gupta, the team was originally designed to develop a robot that can carry on a long flight mission. Because the raven wing area of ​​the machine is large enough, it is suitable for the arrangement of solar cells. So the team installed collapsible solar cells on their wings to receive solar energy to power the flight. "This new design may change the future of the imitation bird robot. With the help of solar cells, the robot will be able to fly farther and be more independent," said one team member.
The flexible solar cell materials used this time are very different from those used in previous versions of the machine ravens. The team will design a new wing scheme and a mosaic process for it.
"Although due to battery efficiency restrictions and the difficulty of laying batteries on the bird's wings, Robot Raven III still needs considerable improvement." Professor Gupta said, "The good news is that it can indeed rely on solar flying. We believe The first step has been taken. How to increase efficiency so that birds can fly farther is still relatively simple."
Professor Gupta has been devoted to the research of bird flapping machine birds for nearly a decade. In 2007, he and his team demonstrated their first bird-winging imitation robot. This spring, they continued to introduce the mechanical Raven Miniature Aircraft (MAV), which is its first aircraft to use a flapper design with independent program control.
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