This book discusses wave loads on monopile-supported offshore wind turbines, numerical and experimental tools for small wind turbine load analysis, structural control concept for load reduction, advanced control, farm-level health management, health monitoring with data-based approaches, fault diagnostics for electrically operated pitch systems, magnetic bearing for the power generator shaft: an emulator prototype design for vibration control, condition monitoring and diagnostics of the power train, robust fuzzy fault tolerant control with actuator and sensor faults.