Document Detail


Design, aerodynamics and autonomy of the DelFly.
MedLine Citation:
PMID:  22617112     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
One of the major challenges in robotics is to develop a fly-like robot that can autonomously fly around in unknown environments. In this paper, we discuss the current state of the DelFly project, in which we follow a top-down approach to ever smaller and more autonomous ornithopters. The presented findings concerning the design, aerodynamics and autonomy of the DelFly illustrate some of the properties of the top-down approach, which allows the identification and resolution of issues that also play a role at smaller scales. A parametric variation of the wing stiffener layout produced a 5% more power-efficient wing. An experimental aerodynamic investigation revealed that this could be associated with an improved stiffness of the wing, while further providing evidence of the vortex development during the flap cycle. The presented experiments resulted in an improvement in the generated lift, allowing the inclusion of a yaw rate gyro, pressure sensor and microcontroller onboard the DelFly. The autonomy of the DelFly is expanded by achieving (1) an improved turning logic to obtain better vision-based obstacle avoidance performance in environments with varying texture and (2) successful onboard height control based on the pressure sensor.
Authors:
G C H E de Croon; M A Groen; C De Wagter; B Remes; R Ruijsink; B W van Oudheusden
Publication Detail:
Type:  Journal Article     Date:  2012-05-22
Journal Detail:
Title:  Bioinspiration & biomimetics     Volume:  7     ISSN:  1748-3190     ISO Abbreviation:  Bioinspir Biomim     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-05-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101292902     Medline TA:  Bioinspir Biomim     Country:  England    
Other Details:
Languages:  eng     Pagination:  025003     Citation Subset:  IM    
Affiliation:
Advanced Concepts Team, European Space Agency, 2200 AJ Noordwijk, The Netherlands.
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