船舶航向保持系统的云模型控制研究  

Study on cloud model control for ship course-keeping system

作　　者：高键[1] 周岸[1] 李众[2] 

机构地区：[1]江苏科技大学电子信息学院,江苏镇江212003 [2]常州信息职业技术学院自动控制工程系,江苏常州213164

出　　处：《江苏科技大学学报（自然科学版）》2008年第5期11-16,共6页Journal of Jiangsu University of Science and Technology:Natural Science Edition

摘　　要：云模型是对语言值所蕴含的模糊性和随机性的一种数学描述,它用期望值Ex,熵En和超熵He表征定性概念,将概念的模糊性和随机性集成在一起,是实现知识库中定量与定性之间相互转换的一种新途径.本文论述了模糊子集的云模型表示、基于云模型控制规则的不确定性推理,并设计了船舶航向保持系统的一维与二维云模型控制器.仿真结果表明,该控制器简易、直观、鲁棒性强,具有良好的控制性能和较好的应用价值.The cloud model is a mathematical representation to fuzziness and randomness in linguistic concepts. It represents a qualitative concept with expected value Ex, entropy Err and hyper entropy He, and integrates the fuzziness and randomness of a linguistic concept in a unified way. This model is a new method for transformation between qualitative and quantitative in the knowledge. This paper presents the cloud model of fuzzy sets, uncertainty reasoning of control rules based on cloud model, and one-dimension and two-dimension cloud model controller for ship course-keeping system. Simulation result shows that the cloud controller is simple and easy, directly perceived through the senses, and has strong robustness, better control performance, and good application.

关 键 词：船舶航向保持系统 云模型 定性推理 智能控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] TP183[自动化与计算机技术—控制科学与工程]