Suboptimal tracking control of nonlinear systems via state-dependent differential Riccati equation for robotic manipulators

2015 ◽  
Author(s):  
Moharam Habibnejad Korayem ◽  
Saeed Rafee Nekoo
Keyword(s):  
Nonlinear Systems ◽  
Riccati Equation ◽  
Tracking Control ◽  
Robotic Manipulators ◽  
Differential Riccati Equation ◽  
State Dependent

State Dependent Riccati Equation Tracking Control for a Two Link Robot

2018 ◽  
Vol 15 (5) ◽  
pp. 1490-1494 ◽  
Author(s):  
Seyyed Mohammad Hosseini Rostami ◽  
Mansoureh Ghazaani
Keyword(s):  
Riccati Equation ◽  
Tracking Control ◽  
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.

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