Abstract
The evolutionary incorporation of fiber optic technology in the remote operation of motor control systems is described in this paper. The program is proposed for naval application. The research and development was sponsored and funded by Ingalls Independent Research and Development (IRAD) funds. Shipboard installation was sponsored by the Naval Sea Systems Command (NAVSEA) PMS-400C. It represents the first significant effort to employ light in the remote operation of motor control functions found aboard a naval vessel. Although focused on one ship class, the program's achievements apply to most naval and commercial ships as well as many nonseagoing systems. The operational requirements of the local and remote station transceivers employed in motor control systems are presented in this paper. These include the network topology and electro-optic control, switching, and indicator circuits of several fiber optic motor control system design evolutions. The designs were all driven by operational requirements. Engineering options and design conclusions are presented. Resulting conclusions are that the use of fiber optic technology in the remote operation of naval shipboard motor control systems is both feasible and practical. It provides significant weight, EMI, and safety advantages over existing systems yet its installation, operation, and maintenance can be performed by existing personnel with little additional training.
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