Which three actions correctly describe the functions of a servomechanism, given a task where the position of the controlled device is to be regulated? 1. The controlled device moves the servo motor to the desired position.
2. The controlled device generates a feedback signal that always gives its current position.
3. The amplifier sends an error-correction signal to the error detector.
4. The command device is given data about a desired position for the controlled device.
5. The error detector compares the command signal with the feedback signal.