摘要
风帆侧推力影响帆船阻力和航向稳定性,从而影响航速乃至使帆船失去航向。为使无人帆船在稳定航行中保持最大航速,对侧推力影响下帆船航速的风帆攻角作用规律进行研究。采用CFD技术对风帆空气动力特性进行数值模拟,获得风帆作用力系数曲线;基于响应型三自由度船舶操纵分离(MMG)方法建立目标帆船运动仿真模型,生成侧推力影响下不同风况和攻角对应的帆船航速簇曲线,分析获得无人帆船最大航速控制的风帆攻角策略。研究结果为无人帆船风帆攻角控制器的设计提供了理论参考。
The side thrust of sail affects the sailing resistance and heading stability, which affects the sailing speed, thus causing the sailboat to lose its heading. In order to maintain the maximum speed of unmanned sailboats in stable navigation, research on the law of the a sail attack angle under the influence of the side thrust is carried out. The aerodynamic characteristics of the sail were simulated by CFD technology to obtain the force coefficient curve of the sail. The responsive three-degree-of-freedom ship control separation modeling(MMG) method was utilized to establish the target sailboat simulated motion, which generated the speed cluster curve of sailboat under different wind conditions and attack angles under the influence of side thrust to analyze the speed of the sailboat corresponding to different wind conditions and attack angles. The research results provide a theoretical basis for the design of the intelligent navigation sail attack angle controller for unmanned sailboats.
作者
黄朝明
刘如磊
章志浩
林叶锦
王菲
Huang Chaoming;Liu Rulei;Zhang Zhihao;Lin Yejin;Wang Fei(Marine Engineering College,Dalian Maritime University,Dalian 116026,Liaoning,China;Information Science and Technology College,Dalian Maritime University,Dalian 116026,Liaoning,China)
出处
《计算机应用与软件》
北大核心
2021年第11期64-69,113,共7页
Computer Applications and Software
基金
辽宁省自然科学项目(20180551145)。
关键词
风帆攻角控制
最大航速
帆船运动模型
风帆侧推力
风帆助推力
Sail attack angle control
Maximum sailing speed
Sailboat motion model
Side thrust of sail
Assist thrust of sail
