A DC-DC converter control method applying a fixed time control theory and a particle swarm algorithm comprises the following steps: S1, establishing a state space model based on a circuit topology structure of a DC-DC converter, and performing coordinate conversion on an average state space equation of the model; s2, establishing a fixed time controller based on a Lyapunov function and a fixed time control theory for the state space model; and S3, optimizing the fixed time controller through a particle swarm algorithm to obtain an optimal fixed time controller parameter. According to the invention, the output voltage can rapidly and stably track the required voltage, the current ripple is reduced, the power supply quality is improved, the energy utilization rate is further improved, and the service life of a whole vehicle battery is prolonged.

    运用固定时间控制理论和粒子群算法的DC‑DC变换器控制方法,包括以下步骤:S1,基于DC‑DC变换器的电路拓扑结构建立状态空间模型,并且对模型的平均状态空间方程进行坐标转换;S2,针对状态空间模型建立基于李雅普诺夫函数和固定时间控制理论的固定时间控制器;S3,通过粒子群算法进行优化对固定时间控制器得到最优的固定时间控制器参数。本发明能使输出电压迅速稳定跟踪需求电压,同时也减小了电流纹波,提高电源质量,进而提高能源利用率和整车电池的使用寿命。


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    Titel :

    DC-DC converter control method applying fixed time control theory and particle swarm optimization


    Weitere Titelangaben:

    运用固定时间控制理论和粒子群算法的DC-DC变换器控制方法


    Beteiligte:
    TAO FAZHAN (Autor:in) / TIAN XIAOLONG (Autor:in) / FU ZHUMU (Autor:in) / JI BAOFENG (Autor:in) / LI MENGYANG (Autor:in) / ZHANG PING (Autor:in) / ZHANG ZHONGCAI (Autor:in) / FAN PENGYU (Autor:in)

    Erscheinungsdatum :

    2022-04-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen



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