Open AccessA Design Method of Active Damping for Gyroscopic Systems Using Direct Velocity Feedback
Author(s) -
Nanhui Yu,
Kewei Zhang,
Haimin Liu,
Xiang Liu,
Jiafan Zhang
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1237/2/022178
Subject(s) - control theory (sociology) , nonlinear system , damping matrix , gyroscope , rotor (electric) , actuator , control (management) , matrix (chemical analysis) , engineering , computer science , mathematics , physics , structural engineering , mechanical engineering , stiffness matrix , aerospace engineering , materials science , quantum mechanics , artificial intelligence , finite element method , composite material , electrical engineering
For gyroscopic dynamic systems, active damping using direct velocity feedback control with collocated actuator/sensor pairs is discussed in this paper. The proposed method of designing the damping is actually to assign the negative real parts of the poles for specific modes of the uncontrolled system. The targeted values of the negative real parts are determined by desired damping ratios to be gained for the specific modes. The procedure is formulated as solving constrained nonlinear equations or a constrained nonlinear least squares problem with elements of the control gain matrix as variables. Finally, it is illustrated via an example rotor system that the presented method is effective and easier to implement.