Systems and techniques for suppressing the carrier signal using an optical delay element and an electrical interferometer in an opto-electronic noise suppression module. The system and method are believed to effectively recruit undamaged higher level structures in the visual system to assume the functions of the damaged structures. The abnormal status is automatically evaluated to isolate a possible fault in the automated system resulting in the abnormal status, and automated repair of the possible fault is undertaken. The rotational speed of the grinding tool is associated with electrical energy provided by the grinder subgenerator to the motor.