A Simple Learning Strategy for Feedback Linearization Control of Aerial Package Delivery Robot

Mohit Mehndiratta1, Erkan Kayacan2, Erdal Kayacan3

  • 1Nanyang Technological University
  • 2University of Illinois at Urbana-Champaign
  • 3Aarhus University



Invited Session


13:30 - 15:30 | Wed 22 Aug | Kronborg | WeB5

Unmanned Aerial Vehicle Control Systems: From Airframes to Autonomy

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This paper develops a simple learning (SL) strategy for feedback linearization control (FLC) algorithm for uncertain nonlinear systems. The simple learning strategy that uses desired closed-loop error dynamics updates the controller coefficients and the disturbance term in the feedback control law, while traditional feedforward control law is designed based on the nominal model by using FLC method. In this strategy, the desired closed-loop error function is minimized by using gradient-descent method to find the adaptation rules for the feedback controller gains and estimated disturbance. In addition, the system stability for an nth order uncertain nonlinear system is proven by using a Lyapunov function. To test the efficiency and efficacy of the SL-FLC framework, the package delivery problem of a tilt-rotor tricopter unmanned aerial vehicle is studied in real-time. The experimental results show that the SL-FLC framework results in a better path tracking performance than the traditional FLC method, while maintaining the nominal control performance recovery in presence of uncertainties.

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