船舶推进电机运动控制系统作为电力推进船舶的核心部分，对其进行建模与仿真分析具有重要意义。针对电机微分方程组数值稳定问题，分析不同方法下的数值稳定域，引入牛顿拉夫逊法求解矢量控制下经梯形法差分化的方程组。结合螺旋桨敞水特性曲线以及实例船舶阻力计算，建立螺旋桨负载和永磁推进电机矢量控制的运动模型。基于Matlab软件编写船机桨不同工况下启航的仿真程序，分析部分典型工况下的变化曲线。仿真结果证明了本文采用模型的正确性，在此模型上可简单快捷增加控制算法，为后续研究提供理论依据。
Ship propulsion motor motion system is the core part of electric propulsion ship, it have a vital significance to build up the model and simulation. Through the theoretical analysis of the characteristics of permanent magnet synchronous Motor (PMSM) equations, Newton-Raphson method were determined to solved the discretized differential equations under the vector control. Combining the open water curve of propeller and the calculation of ship resistance, the PMSM motion model with propeller load under the vector control were established. Further, the program was written to simulate starting process of Hull-Motor-Propeller under different conditions by using Matlab software, and some variable curves under typical working conditions are analyzed. Similarly, the results demonstrate the correctness of the model used in this paper, the control algorithm can be added easily and quickly on this mode, and the model can also provide theory evidence for further study.
2020,42(7): 114-119 收稿日期：2019-07-15
DOI：10.3404/j.issn.1672-7649.2020.07.024
分类号：U664.3
基金项目：国家自然科学基金项目(51709027)；辽宁省自然科学基金项目(2016025006)；辽宁省教育厅一般项目(L2014209)；辽宁省博士科研启动基金指导计划项目(20170520265)
作者简介：李浩(1994-),男,硕士研究生,研究方向为船舶机电一体化
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