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Development of an Experimental Methodology for Self-Propulsion Test With a Marine Diesel Engine Simulator

机译:船用柴油机模拟器自推进试验实验方法的发展

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This paper introduces the development of a marine diesel engine simulator and proposes a new experimental methodology for self-propulsion test in waves. A marine diesel engine simulator is developed for self-propulsion test of a model ship. This is composed of a servomotor, speed controller, dynamometer and PC. The marine diesel engine simulation program is installed on the PC. Based on mathematical modeling of the engine, this program simulates fuel supply control by governor, torque generation by combustion and shafting system rotation. Inputs are rotating speed and propeller torque measured by dynamometer, and output is target speed to the speed controller of the servomotor. This is a real-time control system of propeller rotating speed, which reflects the characteristics of a marine diesel engine. Using this system, the authors conducted a self-propulsion test of a model ship in waves and checked system operation capabilities. We can measure not only ship motion responses but also the realistic dynamic responses of a ship propulsion system in waves such as propeller load and rotating speed fluctuation, fuel supply rate, etc.
机译:本文介绍了船用柴油机模拟器的开发,并提出了一种用于波浪自推进试验的新实验方法。开发了一种船用柴油机模拟器,用于模型船的自推进测试。它由伺服电机,速度控制器,测功机和PC组成。船用柴油机仿真程序已安装在PC上。该程序基于发动机的数学模型,通过调速器模拟燃料供应控制,通过燃烧和轴系旋转来产生扭矩。输入是测功机测得的转速和螺旋桨扭矩,输出是伺服电机速度控制器的目标速度。这是螺旋桨转速的实时控制系统,反映了船用柴油机的特性。使用该系统,作者对波浪中的模型船进行了自我推进测试,并检查了系统的运行能力。我们不仅可以测量船舶运动响应,还可以测量船舶推进系统在波浪中的真实动态响应,例如螺旋桨载荷和转速波动,燃料供应率等。

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