scholarly journals LQR Control of Shell Vibrations via Piezoceramic Actuators

1998 ◽  
pp. 247-265 ◽  
Author(s):  
R. C. H. del Rosario ◽  
R. C. Smith
Keyword(s):  
Lqr Control

LQR control for a self-balancing unicycle

2017 ◽  
Author(s):  
Gabriel Pereira das Neves ◽  
Bruno Augusto Angélico
Keyword(s):  
Lqr Control

scholarly journals LQR Control for a Self-Balancing Unicycle Robot on Inclined Plane

2012 ◽  
Vol 6 (5) ◽  
pp. 685-699 ◽  
Author(s):  
Gong DAOXIONG ◽  
Pan QI ◽  
Zuo GUOYU ◽  
Li XINGHUI
Keyword(s):  
Inclined Plane ◽  
Lqr Control

Lateral Stability Analysis for Car-Trailer Combinations

2016 ◽  
Author(s):  
Eungkil Lee ◽  
Tao Sun ◽  
Yuping He
Keyword(s):  
Stability Analysis ◽  
Linear Stability ◽  
Linear Stability Analysis ◽  
Parametric Study ◽  
Degrees Of Freedom ◽  
Linear Quadratic Regulator ◽  
Lateral Stability ◽  
Linear Quadratic ◽  
Lqr Control ◽  
Ct System

This paper presents a parametric study of linear lateral stability of a car-trailer (CT) combination in order to examine the fidelity, complexity, and applicability for control algorithm development for CT systems. Using MATLAB software, a linear yaw-roll model with 5 degrees of freedom (DOF) is developed to represent the CT combination. In the case of linear stability analysis, a parametric study was carried out using eigenvalue analysis based on a linear yaw-roll CT model with varying parameters. Built upon the linear stability analysis, an active trailer differential braking (ATDB) controller was designed for the CT system using the linear quadratic regulator (LQR) technique. The simulation study presented in this paper shows the effectiveness of the proposed LQR control design and the influence of different trailer parameters.

scholarly journals LQR Control of Wind Excited Benchmark Building Using Variable Stiffness Tuned Mass Damper

2014 ◽  
Vol 2014 ◽  
pp. 1-12 ◽  
Author(s):  
S. N. Deshmukh ◽  
N. K. Chandiramani
Keyword(s):  
Linear Time ◽  
Variable Stiffness ◽  
Tuned Mass Damper ◽  
Nonlinear Static Analysis ◽  
Performance Criteria ◽  
Control Law ◽  
Control Force ◽  
Displacement Control ◽  
Lqr Control ◽  
Mass Damper

LQR control of wind induced motion of a benchmark building is considered. The building is fitted with a semiactive variable stiffness tuned mass damper adapted from the literature. The nominal stiffness of the device corresponds to the fundamental frequency of the building and is included in the system matrix. This results in a linear time-invariant system, for which the desired control force is computed using LQR control. The control force thus computed is then realized by varying the device stiffness around its nominal value by using a simple control law. A nonlinear static analysis is performed in order to establish the range of linearity, in terms of the device (configuration) angle, for which the control law is valid. Results are obtained for the cases of zero and nonzero structural stiffness variation. The performance criteria evaluated show that the present method provides displacement control that is comparable with that of two existing controllers. The acceleration control, while not as good as that obtained with the existing active controller, is comparable or better than that obtained with the existing semiactive controller. By using substantially less power as well as control force, the present control yields comparable displacement control and reasonable acceleration control.

Innovative LQR Control Method for Vessel Rudder Control

2019 ◽  
Author(s):  
Bo Li ◽  
Haonan Tian ◽  
Qingyang Jing ◽  
Yajun Wang ◽  
Xiaohui Li
Keyword(s):  
Control Method ◽  
Lqr Control
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