Robust <inline-formula> <tex-math notation="LaTeX">$H_{\infty}$ </tex-math></inline-formula>/S-plane Controller of Longitudinal Control for UAVs

In order to resolve the external disturbances and model parameters uncertainty during the unmanned aerial vehicles flight process, in this paper, we designed the H_&#x221E;/S-plane controller for longitudinal control of unmanned aerial vehicles (UAVs). The S-plane control model with strong nonlinearity was used as the outer loop controller and the robust Hoc control algorithm with strong robustness was used as the inner loop controller. The effectiveness of the H_&#x221E;/S-plane controller in the longitudinal control of unmanned aerial vehicles without external interference, with external interference and parameter perturbation, was simulated by a certain UAVs nominal model. The results showed that compared with H_&#x221E;/PD controller and PID controller, H_&#x221E;/S-plane controller has faster response speed and stronger anti-interference ability. So H_&#x221E;/S-plane controller is more suitable for the longitudinal control of unmanned aerial vehicles than H_&#x221E;/PD controller and PID controller.

Abstract licence: CC BY-NC-ND

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