Title :
The motor speed control strategy of wind power system based on MRAS method
Author_Institution :
Sch. of Inf. & Control Eng., Weifang Univ., Weifang, China
Abstract :
This Paper describes the principle and the adaptive model reference adaptive methods,based on the characteristics of doubly-fed wind generator design of a stator currents and rotor currents as state variables of the adaptive stator observer is derived using Lyapunov stability theory. The recognition rate of speed. By solving a bilinear matrix inequality, has been a constant adaptive observer gain matrix, making the state observer, including zero in the symmetry, including the range is large enough to remain stable, thus ensuring the system can accurately identify speed, it is Achieved good speed sensorless maximum power tracking under control.
Keywords :
Lyapunov matrix equations; adaptive control; stability; stators; velocity control; wind power; Lyapunov stability theory; MRAS Method; adaptive methods,based; bilinear matrix inequality; motor speed control strategy; power tracking; rotor currents; stator currents; wind generator design; wind power system; Adaptation models; Adaptive systems; Linear matrix inequalities; Mathematical model; Observers; Rotors; Stators; MRAS; adaptive state observer; speed control; speed sensorless;
Conference_Titel :
Computer Science and Service System (CSSS), 2011 International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-9762-1
DOI :
10.1109/CSSS.2011.5974102