船舶主机冷水系统的稳定运行直接决定主机功率输出与航行安全，传统PID控制难以实现精准调控。本文以船舶主机冷水温度精准控制为目标，首先通过机理分析结合系统辨识实验构建系统数学模型，设计模糊PID控制算法，同时基于温度偏差与偏差变化率动态优化PID参数，构建基于LABVIEW的主机冷水温度控制系统，系统包含数据采集、模糊PID控制、人机交互及数据存储分析等模块，通过Matlab/Simulink-LABVIEW联合仿真及实物平台测试，验证系统在静态精度、动态响应及抗干扰能力上的优异性能，为船舶主机冷却系统的精准控制提供了有效技术方案。
The stable operation of the marine main engine cooling water system directly determines the main engine's power output and navigation safety, while the traditional PID control struggles to achieve precise control. This study aims at the precise temperature control of the marine main engine cooling water. Firstly, a mathematical model of the system is established through mechanism analysis combined with system identification experiments. Subsequently, a fuzzy PID control algorithm is designed, which dynamically optimizes the PID parameters based on temperature deviation and deviation change rate. A LABVIEW-based main engine cooling water temperature control system is constructed, integrating modules such as data acquisition, fuzzy PID control, human-computer interaction, and data storage and analysis. Finally, joint simulations via Matlab/Simulink and LABVIEW, as well as physical platform tests, verify that the system exhibits excellent performance in terms of static accuracy, dynamic response, and anti-interference capability. This research provides an effective technical solution for the precise control of the marine main engine cooling system.
2025,47(24): 131-135 收稿日期：2025-6-28
DOI：10.3404/j.issn.1672-7649.2025.24.020
分类号：U664.82
作者简介：秦冲(1982-),男,硕士,副教授,研究方向为机电设备控制
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