Wind turbine model based control and estimation with accurate online models

A wind turbine system, comprising:

• a sensor suite comprising a plurality of sensors positioned to monitor wind turbine operational parameters and environmental conditions of the wind turbine system, the sensor suite in communication with a data store and configured to provide sensor dynamic data to the data store;
• a control processor in communication with the data store, the control processor comprising a processor unit;
• a control model configured to perform a linearization evaluation at a turbine operating point, the linearization evaluation being performed on a model generated by applying an analytic differentiation technique on a surrogate model to obtain at least one of a structural component dynamic behavior, a fluid component dynamic behavior, and a combined structural and fluid component dynamic behavior of wind turbine operation, the analytic differentiation technique being one of algorithmic differentiation or symbolic differentiation;
• the control model comprising a coupling between the structural component dynamic behavior and the fluid component dynamic behavior, the coupling implemented by introduction of a generalized fluid force in a structural model of the wind turbine system and comprising in the fluid component dynamic behavior a dependence of the generalized fluid force on a structural state of the wind turbine system, the structural model comprising structural features accurate to at least one of a first bending natural mode of a tower of the wind turbine system, a first bending natural mode of one or more rotor blades of the wind turbine system, and a rotation of the drive-train of the wind turbine system;
• and
• a module configured to perform a calculation utilizing at least one of the linearization evaluation of the structural component dynamic behavior, the fluid component dynamic behavior, and the combined structural and fluid component dynamic behavior.