【作者】 綦志刚； 赵威； 孙伟星； 陈缘；

【Author】 Zhigang Qi;Wei Zhao;Weixing Sun;Yuan Chen;Harbin Engineering University;

【机构】 哈尔滨工程大学自动化学院；

【摘要】 当船舶在海面上航行时会受到多种因素的影响而产生六自由度的摇荡运动,其中横摇运动最为严重。当船舶的航速和浪向遭遇角度不同时,它们所对应的横摇功率谱密度也有所不同。传统的减摇鳍控制器只能在某一工作环境下达到较好的效果,但并不能在整个工作环境中达到最优。针对此问题引入平行多模型决策相关理论,以横摇功率谱作为决策的依据,设计不同横摇状态下的控制器,并用遗传算法优化子控制器的参数,并针对不同航态下的船舶横摇运动采用对应的控制器。更多还原

【Abstract】 Ships will experience Six-DOF-motion because of many factors when they sail on the sea,the roll motion is the most severe.When the ship sails with different velocities and encounter angles,the roll power spectral density of the ship is also different.Traditional fin stabilizer controllers have a good performance only in a specific condition but not for all conditions.Thus,the parallel multiple-model controller theory is proposed to solve this problem,the roll power spectral density is used as a decision standard,different corresponding controllers were designed according to different roll motions,and optimized by using genetic algorithm,then the right controller can be chosen according to the ship roll motion.更多还原