风力发电；永磁直驱同步发电机；功率最大追踪；模糊-PID 控制-wind power generation direct-driven permanent magnet synchronous generators power maximum point tracking Fuzzy-PID control

变步长爬山法在双馈风力发电系统最大风能跟踪控制中的应用-Application of variable-step hill climbing searching in maximum power point tracking for DFIG wind power generation system

介绍风力发电最大功率跟踪的文献，写的还比较详细。-This is a paper for wind-power MPPT method