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Stability and Controller Research of Double-Wing FMAV System Based on Controllable Tail.

Yichen Zhang1,2, Yiming Xiao1,2, Qingcheng Guo1,2

  • 1National Key Laboratory of Advanced Micro and Nano Manufacture Technology, Shanghai Jiao Tong University, Shanghai 200240, China.

Biomimetics (Basel, Switzerland)
|August 28, 2024
PubMed
Summary

A biomimetic tail significantly improved flight stability and response speed in a flapping micro air vehicle (FMAV). This tail controller reduced response times by over 95% and enhanced flight stability during take-off maneuvers.

Keywords:
FMAVcascade controllerpassive stabilitywing–tail interaction

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Area of Science:

  • Robotics and Automation
  • Aerospace Engineering
  • Biomimetics

Background:

  • Passive stabilized flapping micro air vehicles (FMAVs) face challenges in stability and response speed.
  • Biomimetic designs offer potential solutions for enhancing aerodynamic performance and control.

Purpose of the Study:

  • To improve the stability and response speed of a passive stabilized double-wing FMAV.
  • To investigate the effectiveness of a feedback-controlled biomimetic tail for enhanced flight control.

Main Methods:

  • Developed an accurate flapping wing model for lift force calculation.
  • Conducted experimental tests to determine relationships between control torque and tail parameters.
  • Created a stability model for the FMAV with stabilizing sails.
  • Designed a simulation controller using linearized hovering state dynamics.

Main Results:

  • The flapping wing model achieved a lift force accuracy of 2.4%.
  • The tail controller reduced angle and velocity response times from seconds to 0.1 seconds.
  • Adjustable tail angles improved flight stability, reducing standard deviation by up to 72.96% during take-off.
  • Control axis standard deviation decreased by 38.06%, confirming reduced angular deflection.

Conclusions:

  • A feedback-controlled biomimetic tail effectively enhances the stability and response speed of FMAVs.
  • The developed models and control strategies provide a viable approach for improving FMAV performance.
  • Biomimetic tail implementation offers significant advantages for micro air vehicle maneuverability and stability.