1. A method for controlling a wind turbine having a rotor with at least
one rotor blade, the method comprising:
controlling, via a processor, the wind turbine based on at least one aerodynamic performance map;
determining at least one speed parameter of the wind turbine;
determining a blade torsional stiffness factor;
determining, via the processor, a twist correction factor for the aerodynamic performance map as a function of the at least one speed parameter and the blade torsional stiffness factor;
applying the twist correction factor to the at least one aerodynamic performance map to obtain an adjusted aerodynamic performance map; and,
controlling the wind turbine based on the adjusted aerodynamic performance map.
2. The method as claimed in claim 1, wherein the speed parameter comprises at least one of wind speed, rotor speed, or generator speed of the wind turbine.
3. The method as claimed in claim 1, wherein determining the twist correction factor for the aerodynamic performance map as a function of air density, the speed parameter, and the blade torsional stiffness factor.
4. The method as claimed in claim 3, wherein determining the twist correction factor for the aerodynamic performance map further comprises:
squaring the speed parameter;
multiplying the air density by the squared speed parameter to obtain a multiplied value; and,
dividing the multiplied value by the blade torsional stiffness factor.
5. The method as claimed in claim 1, wherein determining the twist correction factor for the at least one aerodynamic performance map further comprises utilizing one or more look-up tables, one or more equations, or a simulation model.
6. The method as claimed in claim 1, wherein determining the blade

torsional stiffness factor further comprises determining a scaling factor between a design torsional stiffness and an actual torsional stiffness of the rotor blade.
7. The method as claimed in claim 1, wherein applying the twist correction factor to the at least one aerodynamic performance map to obtain the adjusted aerodynamic performance map further comprises multiplying the twist correction factor by at least one of a power coefficient, a torque coefficient, or thrust coefficient obtained from the at least one aerodynamic performance map.
8. The method as claimed in claim 7, wherein automatically determining a revised tip-speed-ratio and a revised pitch angle as a function of the twist correction factor using the adjusted aerodynamic performance map.
9. The method as claimed in claim 1, wherein controlling the wind turbine based on the adjusted aerodynamic performance map further comprises implementing a control action comprising at least one of altering the pitch angle of a rotor blade, modifying a generator torque, modifying the generator speed, modifying the power output, yawing a nacelle of the wind turbine, braking one or more wind turbine components, or activating an airflow modifying element on a rotor blade.
10. A method for generating an aerodynamic performance map for use by a wind turbine controller during wind turbine operation, the method comprising:
determining at least one speed parameter of the wind turbine;
determining, via the wind turbine controller, a blade torsional stiffness factor;
determining, via the wind turbine controller, a twist correction factor for the aerodynamic performance map as a function of the at least one speed parameter and the blade torsional stiffness factor; and,
generating the aerodynamic performance map based on the twist correction factor, one or more tip speed ratio values, and pitch angles of the rotor blade.
11. The method as claimed in claim 10, wherein the speed parameter
comprises at least one of wind speed, rotor speed, or generator speed of the wind

turbine.
12. The method as claimed in claim 10, further comprising determining the twist correction factor for the aerodynamic performance map as a function of air density, the speed parameter, and the blade torsional stiffness factor.
13. A system for controlling a wind turbine having a rotor with at least one rotor blade, the system comprising:
a wind turbine controller comprising at least one processor, the at least one processor configured to perform one or more operations, the one or more operations comprising:
controlling the wind turbine based on at least one aerodynamic performance map;
determining at least one speed parameter of the wind turbine;
determining a blade torsional stiffness factor;
determining, via the processor, a twist correction factor for the aerodynamic performance map as a function of the at least one speed parameter and the blade torsional stiffness factor;
applying the twist correction factor to the at least one aerodynamic performance map to obtain an adjusted aerodynamic performance map; and,
controlling the wind turbine based on the adjusted aerodynamic performance map.
14. The system as claimed in claim 13, wherein the speed parameter comprises at least one of wind speed, rotor speed, or generator speed of the wind turbine.
15. The system as claimed in claim 13, wherein determining the twist correction factor for the aerodynamic performance map as a function of air density, the speed parameter, and the blade torsional stiffness factor.
16. The system as claimed in claim 15, wherein determining the twist correction factor for the aerodynamic performance map further comprises:
squaring the speed parameter;

multiplying the air density by the squared speed parameter to obtain a multiplied value; and,
dividing the multiplied value by the blade torsional stiffness factor.
17. The system as claimed in claim 13, wherein determining the twist correction factor for the at least one aerodynamic performance map further comprises utilizing one or more look-up tables, one or more equations, or a simulation model.
18. The system as claimed in claim 13, wherein determining the blade torsional stiffness factor further comprises determining a scaling factor between a design torsional stiffness and an actual torsional stiffness of the rotor blade.
19. The system as claimed in claim 13, wherein applying the twist correction factor to the at least one aerodynamic performance map to obtain the adjusted aerodynamic performance map further comprises multiplying the twist correction factor by at least one of a power coefficient, a torque coefficient, or thrust coefficient obtained from the at least one aerodynamic performance map.
20. The system as claimed in claim 19, wherein automatically determining a revised tip-speed-ratio target and a revised pitch angle target as a function of the twist correction factor using the adjusted aerodynamic performance map.