The invention belongs to the technical field of cargo ship energy management methods, and particularly relates to a hybrid power cargo ship energy management method and device based on a low-pass filter, and the method comprises the steps: obtaining the information of a research object, determining the analyzed frequency characteristics according to the information of the research object, and carrying out the analysis of the frequency characteristics; the frequency characteristic is used for representing and analyzing the frequency domain characteristic of the cargo ship demand power; and according to the result of the analyzed frequency characteristics and a Kalman filtering algorithm. Therefore, for the fuel cell hybrid power cargo ship, the real-time required power of the whole ship is acquired to perform frequency feature extraction so as to construct the online filter, the low-pass cut-off frequency is updated in real time, and online real-time fuel cell output power low-pass filtering for random working conditions is realized. Moreover, an excellent optimization algorithm is adopted, and the durability of the fuel cell is effectively improved, the economical efficiency of the fuel cell is optimized, the efficiency of the fuel cell system is improved, and the durability of the supercapacitor is improved through power distribution.
本发明属于货船能量管理方法技术领域,具体涉及一种基于低通滤波器的混合动力货船能量管理方法及装置,该方法包括:获取研究对象的信息,根据所述研究对象的信息,确定分析后的频率特征,所述频率特征用于表示分析货船需求功率的频域特性;根据所述分析后的频率特征的结果与卡尔曼滤波算法。可见,本发明专利针对燃料电池混合动力货船,采集实时整船需求功率进行频率特征提取从而构建在线滤波器,实时更新低通截止频率,实现针对随机工况的在线实时燃料电池输出功率低通滤波。并且,本发明采用优越的优化算法,通过分配功率满足实现有效提升燃料电池的耐久性、优化燃料电池的经济性、提高燃料电池系统效率、改善超级电容器耐久性。
Hybrid cargo ship energy management method and device based on low-pass filter
一种基于低通滤波器的混合动力货船能量管理方法及装置
2023-12-29
Patent
Electronic Resource
Chinese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS , Scheinwiderstandsnetzwerke, z.B. Resonanzkreise |