"Bat" UAV Retractable Wing Energy Saving 35%
According to the report of the Physicists Organization Network on June 4 (Beijing time), a robotics research team in Spain and the United States imitated the movement mechanism of bat wings and developed a drone "Batbot" using shape memory alloys. In flight, the shape can be changed to reduce air resistance and reduce energy consumption by 35%.
Professor Breuer, a professor at Brown University’s School of Engineering, has been studying bats for more than 10 years and found it to have extremely extraordinary aerodynamic capabilities, such as densely integrated flying, avoiding obstacles, flexible wings predation, and crossing the dense tropics. Rain forest and high-speed 180-degree turn and so on. The inspiration for the "Batbot" wingspan came from a specific type of bat, Australia's largest bat, the Grey Headed Flying Fox.
Julian, a researcher at the Polytechnic University of Madrid, said that the bat's wings have an amazing level of maneuverability. The wing's skeleton resembles human arms and hands. This mechanism is applied to flying equipment. The shape of the wing can be in flight. Changes can potentially increase flight mobility. In particular, "Batbot" replicating bats can change the way they form between the wings and the downward movement. As the bat flies upwards through the wings and folds toward his body, he can reduce air resistance and save energy by up to 35%.
They use shape memory alloys as "muscles", which behave like human biceps and triceps, as the driver brakes along the wing structure of the robot. When different currents pass, the wing switches between extension and contraction under the control of the shape memory alloy wire. Rotate the elbows between the "shoulder" and "elbow" wires between the robots and pull the wing finger to contract the wingspan when the wing flies upward.
The researchers said that this design can also be used for other purposes, to build bionic system robots made of softer materials and artificial muscles; to improve the operability of flying equipment by mimicking the way bat wings move in flight. Build drones that are more agile and autonomous than fixed-wing aircraft. (Reporter Hualing)
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