Abstract: A control system for a turbine blade, including: an operational control element for generating and outputting an operational control signal, the operational control signal for non-emergency operation of a motor for controlling pitch of the turbine blade; an emergency control element, separate from and different from the operational control element, for generating and outputting an emergency control signal for emergency operation of the motor; and, an output stage element for receiving the operational and emergency control signals and for selecting one of the operational or emergency control signals, and with a means for receiving power for operation of the motor and with a means for providing the received power to the motor according to the selected operational or emergency control signal.