See this link:

http://opensample.info/robust-control-of-double-machine-wind-turbines-with-dfig-using-hamiltonian-energy-method

See also this study:

@ Mohamed Mousa, thanks, Please let me know are you working on Hamiltonian Energy Method..

Dear Mazhar Hussain;

I'm working on enhancing the performance of wind turbines for doubly-fed generators. 

I suggest you this study:

I also suggest you this study:

I hope that all my suggested files are helpful for you.

@ Dear Mohamed Mousa, thanks, Please i need your email address if possible..

Dear Mazhar, I have sent my email to you.

I hope that all my suggestions were useful for you.