Effect of Actuator Saturation on Pilot-Induced Oscillation: A Nonlinear Bifurcation Analysis

What is it about?

We demonstrate the use of bifurcation analysis to study limit cycles and nonlinear frequency responses to investigate pilot-induced oscillations due to actuator rate limiting. Our results of the Space Shuttle Enterprise is the first time the 'flying qualities cliff' phenomenon is characterised using bifurcation analysis.

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