Development of algorithms and control programs for the emergency diesel generator control system on the example of the «Rix Lake» dry cargo ship

When building control systems and electrical equipment of ships, special attention is paid to the unification of equipment and its high reliability. The most important part is programmable logic controllers, since their use provides high reliability and fairly simple maintenance of control devices, accelerates installation and commissioning of equipment. The purpose of this work is to modernize the control system of an emergency diesel generator with the introduction of a programmable logic controller. The reason for the modernization of the control system is its low efficiency and low reliability. In the course of the work, the analysis of control systems from different manufacturers and consideration of optimal technical solutions have been carried out. The main design and technical and operational indicators have been taken into account, such as high reliability of the system and safety in use. An algorithm for starting the engine has been built, including the automatic start of the emergency diesel generator, the algorithm of the emergency diesel generator control system during normal and emergency shutdown of the diesel generator. Each algorithm has a detailed explanation of the components included in it. In the process of programming the microcontroller using the «Logo Soft Comfort» a number of schemes has been implemented: the inclusion of the circuit in operation, the starter lock circuit, the diesel start circuit, the automatic and manual stop circuit, the alarm circuit. Each circuit has a detailed description of both the blocks and the processes taking place in it. As a result of our research, the emergency diesel generator control system has been upgraded using the example of the «Rix Lake» vessel, technical documentation has been reviewed; control and monitoring programs for the emergency diesel generator for the logic module have been built. All these will increase such an important factor as reliability, increase maintainability and informativeness. At the end of programming, emulation has been carried out, which showed that this system is capable of implementing the task for which it has been configured in accordance with the rules of the Register of the Russian Federation. 

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