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Innovations in Dragonfly Flight Research: Bio-inspired Sensors and Actuators

Explore the fascinating characteristics of dragonfly flight and the latest research on bio-inspired sensors for precise flight control. Discover the impact of wing flexibility and phase differences on lift, alongside experimental results and sensors fusion algorithms. Dive into the grand challenges of biosensor and bioactuator research, including advancements in gravitational, inertia, and linear velocity sensors, sensory-motor control, distributed sensors, wing surface pressure sensors, and more.

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Innovations in Dragonfly Flight Research: Bio-inspired Sensors and Actuators

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  1. NSF Workshop on Biosensor and Bioactuator Resarch Xinyan Deng Bio-Robotics Laboratory Department of Mechanical Engineering University of Delaware http://research.me.udel.edu/deng

  2. Characteristics of Dragonfly Flight (videos) • Horizontal Hovering: • Swift to change flight modes • Intercept prey in air • Unique flight modes: • Fly backwards • Fly sideways • Gliding flight • Flight Data: • 90km/h (vel); 130m/s^2 (acc); • Max thrust: 13 times body weight • 180 deg in 3 wingbeats (~2000deg/s) • 20~90 Hz

  3. Talk Outline Current Research (videos)

  4. Effect of Forward Speed on Lift in Hindwing Under interaction Without interaction Individual flapping

  5. Effect of Phase Difference on Lift in Hingwing without forewing 0 Ph. 1/2 cycle Ph. 1/4 cycle Ph.

  6. Effect of Wing Flexibility

  7. Material Properties

  8. Talk Outline Experimental Results • Polar plot • Lift Coefficients • Drag Coefficients a c b

  9. Bio-inspired Sensors for Flight Control • Previous work on Sensor: • Ocelli: roll, pitch angles • Magnetic Compass: yaw angle • Haltere: roll, pitch, and yaw rates • Current Work on Sensor: • Sensor Fusion algorithms • Reafference in biological control systems • Flight Stability and Control: • Averaging theory for flight control • Wing motion parameters as control inputs • Passive stability in flapping flight

  10. Grand Challenge in Biosensor and Bioactuator Research • Bio-inspired sensors for navigation and control • Gravitational, inertia, and linear velocity sensors. • Antennae sensors • Bio-inspired sensory-motor control : reafference; sensor fusion. • Bio-inspired distributed sensors • Wing surface pressure sensors. • Wing, body, and leg hair sensors. • Bio-inspired actuators • Coupling of sensing and actuation on the wing (morphing). • Artificial muscles.

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