甲醇燃料供应系统是甲醇燃料动力船舶核心组成部分，为甲醇燃料主机等动力装置提供满足其流量、温度及压力要求的甲醇燃料。本文基于自耦PID（self-coupling PID, SC-PID）控制技术研究了一类甲醇燃料供应系统压力控制问题。首先，以某型甲醇燃料供应系统为对象，基于多领域统一建模软件搭建了甲醇供应系统仿真模型，并通过与HYSYS仿真结果对比验证了模型的可靠性，关键参数的均方误差率不大于3%。其次，基于自耦PID控制技术设计了供应压力控制器，利用甲醇供应系统仿真模型验证了控制器的有效性。仿真结果表明，所设计的控制器可确保主机负荷变化工况下甲醇供应压力稳定，满足主机入口压力要求。
The methanol fuel supply system is a core component of methanol fuel powered ships, providing methanol fuel that meets the flow, temperature, and pressure requirements for power devices such as methanol fuel engines. This article investigates a pressure control problem of a methanol fuel supply system based on self coupling PID (SC-PID) control technology. Firstly, a simulation model of methanol supply system is built based on the multi domain unified modeling software for a type of methanol fuel supply system, and the credibility of the model was verified by comparing with the simulation results of HYSYS. The mean square error rate of key parameters was not greater than 3%. Secondly, a supply pressure controller was designed based on self coupling PID control technology, and the effectiveness of the controller was verified using a simulation model of the methanol supply system. The simulation results show that the designed controller can ensure stable methanol supply pressure under the changing load conditions of the main engine, and meet the inlet pressure requirements of the main engine.
2025,47(11): 101-106 收稿日期：2024-8-17
DOI：10.3404/j.issn.1672-7649.2025.11.017
分类号：TP273
作者简介：陈楠楠(1981-),女,高级工程师,研究方向为通信系统、计算机
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