ICUAS 2020 Paper Abstract

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Paper ThB2.2

Kim, Sunsoo (Texas A&M University), Deshpande, Vedang Mohanrao (Texas A&M University), Bhattacharya, Raktim (Texas A&M University)

H2 Optimized PID Control of Quad-Copter Platform with Wind Disturbance

Scheduled for presentation during the Regular Session "Safety, Security & Reliability" (ThB2), Thursday, September 3, 2020, 15:20−15:40, Kozani

2020 International Conference on Unmanned Aircraft Systems (ICUAS), September 1-4, 2020 (Postponed from June 9-12, 2020), Athens, Greece

This information is tentative and subject to change. Compiled on September 25, 2020

Keywords Control Architectures, Reliability of UAS, UAS Applications

Abstract

Proportional-Integral-Derivative (PID) scheme is the most commonly used algorithm for designing the controllers for unmanned aerial vehicles (UAVs). However, tuning PID gains is a nontrivial task. A number of methods have been developed for tuning the PID gains for UAV systems. However, these methods do not handle wind disturbances, which is a major concern for small UAVs. In this paper, we propose a new method for determining optimized PID gains in the H2 optimal control framework, which achieves improved wind disturbance rejection. The proposed method compares the classical PID control law with the H2 optimal controller to determine the H2 optimal PID gains and involves solving a convex optimization problem. The proposed controller is tested in two scenarios, namely, vertical velocity control, and vertical position control. The results are compared with the existing LQR based PID tuning method.

 

 

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