Research on Implementing Real Time Ethernet for Ship Power System

With the rapid development of ship power system, the former field bus network of ship power system can not meet the new communication needs. The Real Time Ethernet is proved more efficient and versatile than the current field bus technology, and IEC 61158 ED4 has included Ethernet/IP, ProfiNet, Modbus TCP, EtherCAT, PowerLink , SERCOS III, EPA, and so on. This paper focus on the implementing of Real Time Ethernet for ship power system. However, ship power system is complex, and its communication needs are various. At first, this paper analyzes the communication needs, and then design a communication network for ship power system employing Ethernet/IP and SERCOS III. Afterwards, the paper runs simulation on OPNET, and tests the performance of network redundancy. Both simulation and test indicate that this design is able to meet the communication needs of ship power system.

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