1. A continuous feed centrifuge having a bowl rotatable about its longitudinal axis and having a member movable within the rotating bowl, the member being adapted to convey higher density phase materials relative to the interior of the bowl during the rotation of the bowl, the centrifuge further comprising: at least one sensor selected from the group consisting of ultrasonic, optical, electronic, acoustical and imaging sensors sensing at least one parameter in the centrifuge; an electronic computerized controller associated with the centrifuge and communicating with said at least one sensor; and at least one control device controlling the operation of the centrifuge, said at least one control device communicating with said electronic controller wherein said electronic controller actuates said at least one control device, at least in part, in response to input from a respective at least one of said at least one sensor.