Equilibrium Point Selection and Two Stage Optimal Control of Quadrotor Under Actuator Failure

Vidya C S1    Harikumar Kandath1   

1 Robotics Research Center, IIIT Hyderabad, India   


This paper presents a simple method for stabilizing the quadrotor dynamics under complete loss of one actuator using two-stage optimal control. Detailed equilibrium analysis and subsequent selection of operating point under actuator loss are provided, incorporating constraints on the maximum available thrust. A detailed simulation study using a high-fidelity nonlinear model of the quadrotor is presented showing the stability and performance of the closed-loop system under complete actuator loss, in the presence of external disturbances