Title :
State estimation based LQ optimal control in application to hydro plant
Author :
Kishor, Nand ; Singh, S.P. ; Sharma, P.R.
Abstract :
The state estimation of inelastic and elastic fifth-order state-space model of hydro plant is performed. The method adopted for state estimation is based on second-order polynomial approximations of a multi-dimensional interpolation formula. It is found that the state estimation of plant by this method outperforms to linear Kalman filter in terms of estimation. Then a state estimation based linear quadratic (LQ) approach for hydro turbine speed control is presented
Keywords :
Kalman filters; angular velocity control; hydraulic turbines; hydroelectric power stations; interpolation; linear quadratic control; polynomial approximation; power generation control; power system state estimation; state-space methods; LQ control; hydro turbine speed control; linear Kalman filter; linear quadratic optimal control; multidimensional interpolation formula; second-order polynomial approximation; state estimation; state-space model; Hydraulic turbines; Nonlinear dynamical systems; Optimal control; Power system dynamics; Power system modeling; Power system restoration; Power system stability; Regulators; State estimation; Uncertainty;
Conference_Titel :
Power India Conference, 2006 IEEE
Conference_Location :
New Delhi
Print_ISBN :
0-7803-9525-5
DOI :
10.1109/POWERI.2006.1632608
