Impact Angle Guidance Using State-Dependent (Differential) Riccati Equation: Unified Applicability Analysis

2020 ◽  
Vol 43 (11) ◽  
pp. 2175-2182
Author(s):  
Li-Gang Lin ◽  
Ming Xin
Keyword(s):  
Riccati Equation ◽  
Impact Angle ◽  
Differential Riccati Equation ◽  
State Dependent

scholarly journals Optimal Control of PMSG Based Wind Energy Conversion System using State-Dependent DRE

2020 ◽  
Vol 9 (5) ◽  
pp. 1297-1301
Keyword(s):  
Optimal Control ◽  
Wind Energy ◽  
Energy Conversion ◽  
Riccati Equation ◽  
Wind Energy Conversion System ◽  
Wind Energy Conversion ◽  
Differential Riccati Equation ◽  
State Dependent ◽  
Conversion System ◽  
Energy Conversion System

Generation of electricity from wind is becoming more economical and popular with improved system design with modern control techniques. To capture energy from the inherently variable wind source and converting it into good quality electricity need to use advanced techniques in equipment and control . Since all the subsystems involved in the generation of electricity from wind are highly nonlinear, optimal control using linear models and linear techniques will not be effective. This paper presents a closed loop optimal control for a PMSG based wind energy conversion system using State Dependent Differential Riccati Equation. A suboptimal control is obtained for the non-linear system through differential Riccati equation, which is solved by converting in to linear Lyapunov equation by change of variables in the finite-horizon. The effectiveness of the technique is verified by simulating on MATLAB platform.

Global Stability of a System with State-Dependent Riccati Equation Controller

2015 ◽  
Vol 38 (10) ◽  
pp. 2050-2054 ◽  
Author(s):  
Chih-Chiang Chen ◽  
Yew-Wen Liang ◽  
Wei-Ming Jhu
Keyword(s):  
Global Stability ◽  
Riccati Equation ◽  
State Dependent
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