Towards efficient flight: insights on proper morphing-wing modulation in a bat-like robot

Colorado, Julián and Rossi, Claudio and Zhang, Chao and Barrientos Cruz, Antonio (2015). Towards efficient flight: insights on proper morphing-wing modulation in a bat-like robot. "Advanced Robotics", v. 29 (n. 24); pp. 1599-1610. ISSN 0169-1864. https://doi.org/10.1080/01691864.2015.1082501.

Description

Title: Towards efficient flight: insights on proper morphing-wing modulation in a bat-like robot
Author/s:
  • Colorado, Julián
  • Rossi, Claudio
  • Zhang, Chao
  • Barrientos Cruz, Antonio
Item Type: Article
Título de Revista/Publicación: Advanced Robotics
Date: 2 November 2015
ISSN: 0169-1864
Volume: 29
Subjects:
Freetext Keywords: morphing-wings, bat flight, shape memory alloys
Faculty: E.T.S.I. Industriales (UPM)
Department: Automática, Ingeniería Eléctrica y Electrónica e Informática Industrial
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

In this article, we address the question of how the flight efficiency of Micro Aerial Vehicles with variable wing geometry can be inspired by the biomechanics of bats.We use a bat-like drone with highly articulated wings using shape memory alloys (SMA) as artificial muscle-like actuators. The possibility of actively changing the wing shape by controlling the SMA actuators, let us study the effects of different wing modulation patterns on lift generation, drag reduction, and the energy cost of a wingbeat cycle. To this purpose, we present an energy-model for estimating the energy cost required by the wings during a wingbeat cycle, using experimental aerodynamic and inertial force data as inputs to the energy-model. Results allowed us determining that faster contraction of the wings during the upstroke, and slower extension during the downstroke enables to reduce the energy cost of flapping in our prototype.

More information

Item ID: 43650
DC Identifier: http://oa.upm.es/43650/
OAI Identifier: oai:oa.upm.es:43650
DOI: 10.1080/01691864.2015.1082501
Official URL: https://www.tandfonline.com/doi/abs/10.1080/01691864.2015.1082501?journalCode=tadr20
Deposited by: Memoria Investigacion
Deposited on: 17 Oct 2016 15:53
Last Modified: 10 Jun 2019 13:00
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