TITLE
APPLICATION OF IMPACT DRIVE MECHANISM (IDM) ON A FLAPPING WING MECHANISM OF A MICRO AERIAL VEHICLE (MAV)
AUTHOR(S)
Hilmi Kuşçu¹, Ulaş Kaya²
ABSTRACT
IDM is a method that transforms small vibrations of a piezo element into continuous linear motion as experimentally proven in our previous study [1]. Although theoretically and experimentally it is possible for IDM to move the piezo element in two directions continuously, the weight of required hardware to reverse the signal thus the direction, the fixed poles of piezo-crystal and the low velocity of piezo element during IDM application to reach the required frequency of flapping makes it difficult to use two-direction or direct sliding mechanisms for MAV applications. In this study, a flapping wing mechanism is designed which is actuated by one-directional motion of a piezo element by applying method of IDM. For IDM to be applied in one-direction motion of piezo element a continuous surface is required. A steel fixed cylinder’s outer surface selected as continuous surface to provide piezo element to move rotationally and continuously. Another lightweight cylinder with spur gear one end placed coincident with the steel fixed one. The lightweight cylinder can move rotationally around the fixed steel one while constrained to move in longitudinal direction and connected to piezo element. So, while piezo rotates around the fixed steel cylinder, it actuates the gear with the rotation of lightweight cylinder. The velocity of this gear is amplified with a gear-train. And finally, a crank-rod mechanism was employed to flap the wings of the MAV. After theoretical calculations, the two- and three-dimensional drawings, and kinematic and dynamic simulations were carried out by using “Autodesk Inventor Professional” software. All the parts of this wing mechanism are designed as manufacturable with the conventional manufacturing methods including 3d printing, machining (lathe and milling), composite resin transfer molding. The research conducted here could be supportive when dc motors could not be used to drive MAV wing mechanisms because of environmental conditions.
DOI
http://www.doi.org/10.70456/BVWV4055
DOWNLOAD
https://unitechsp.tugab.bg/images/2024/5-AR/s6_p77_v2.pdf
How to cite this article:
Hilmi Kuşçu¹, Ulaş Kaya², APPLICATION OF IMPACT DRIVE MECHANISM (IDM) ON A FLAPPING WING MECHANISM OF A MICRO AERIAL VEHICLE (MAV), UNITECH – SELECTED PAPERS - 2024