High lift force with 275 Hz wing beat in MFI

The Micromechanical Flying Insect (MFI) project aims to create a 25 mm (wingtip to wingtip) flapping wing micro air vehicle inspired by the aerodynamics of insect flight. A key challenge is generating appropriate wing trajectories. Previous work showed a lift of 506 mu N at 160 Hz using feedforward...

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Bibliographic Details
Published in2007 IEEE/RSJ International Conference on Intelligent Robots and Systems pp. 3987 - 3992
Main Authors Steltz, E., Avadhanula, S., Fearing, R.S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2007
Subjects
Aerodynamics
Insects
Intelligent robots
Micromechanical devices
Piezoelectric actuators
Power transmission
Resonance
Resonant frequency
Thorax
Vehicles
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ISBN9781424409112
142440911X
ISSN2153-0858
DOI10.1109/IROS.2007.4399068

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Summary:The Micromechanical Flying Insect (MFI) project aims to create a 25 mm (wingtip to wingtip) flapping wing micro air vehicle inspired by the aerodynamics of insect flight. A key challenge is generating appropriate wing trajectories. Previous work showed a lift of 506 mu N at 160 Hz using feedforward control. In this paper, refinements to the MFI design including those in [2] increased wing beat frequency to 275 Hz and lift to 1400 mu N using pure sinusoidal drive for a fixed benchtop experiment. We show through simplified aerodynamic models that not only do sinusoidal actuator drives produce close to maximal lift, but significantly improved wing trajectories due to non-sinusoidal actuator drives are practically unobtainable due to actuator limitations.
ISBN:9781424409112
142440911X
ISSN:2153-0858
DOI:10.1109/IROS.2007.4399068