中国造船
中國造船
중국조선
Shipbuilding of China
2015年
3期
116-123
,共8页
船舶航向保持%风力%等效舵角
船舶航嚮保持%風力%等效舵角
선박항향보지%풍력%등효타각
course keeping for ships%wind force%equivalent rudder angle
船舶航行过程中,风力的干扰影响会致使船舶偏离计划航线,浪费能源,甚至对船舶造成危害。为改善船舶航向保持和航向跟踪的性能,可以对风力强度进行前馈控制;但是,至今对风力与等效舵角之间较准确的数量关系一直缺少了解。论文以三自由度船舶平面运动数学模型为基础,分析了在风干扰下的船舶运行状态,得出了风力等效舵角的机理型计算公式。通过对仿真实验结果的分析可知,将状态反馈控制与利用风力等效舵角的前馈控制相结合,组成的航向复合控制是可行的。
船舶航行過程中,風力的榦擾影響會緻使船舶偏離計劃航線,浪費能源,甚至對船舶造成危害。為改善船舶航嚮保持和航嚮跟蹤的性能,可以對風力彊度進行前饋控製;但是,至今對風力與等效舵角之間較準確的數量關繫一直缺少瞭解。論文以三自由度船舶平麵運動數學模型為基礎,分析瞭在風榦擾下的船舶運行狀態,得齣瞭風力等效舵角的機理型計算公式。通過對倣真實驗結果的分析可知,將狀態反饋控製與利用風力等效舵角的前饋控製相結閤,組成的航嚮複閤控製是可行的。
선박항행과정중,풍력적간우영향회치사선박편리계화항선,낭비능원,심지대선박조성위해。위개선선박항향보지화항향근종적성능,가이대풍력강도진행전궤공제;단시,지금대풍력여등효타각지간교준학적수량관계일직결소료해。논문이삼자유도선박평면운동수학모형위기출,분석료재풍간우하적선박운행상태,득출료풍력등효타각적궤리형계산공식。통과대방진실험결과적분석가지,장상태반궤공제여이용풍력등효타각적전궤공제상결합,조성적항향복합공제시가행적。
Wind disturbance can make a ship deviate from the set course which wastes energy and imperils the safety of navigation. In order to improve the performance of course keeping for ships, the feed-forward control for wind force can be used, but the relationship between the wind force and its equivalent rudder angle is lack of understanding at present. In this note, on the basis of a mathematical model of 3 DOF ship motions, a theoretic formula of equivalent rudder angle to wind force is deduced after analyzing ship navigating states under wind disturbance. The analysis of the results of simulation experiments proves that it is feasible to control the course by using the feed-forward control of wind force equivalent rudder angle combined with state feedback control.