电动汽车电池的多段式智能自动化充电机设计

发布时间：2018-02-01 03:08

本文关键词： 电动汽车多段式智能自动化充电机　出处：《科学技术与工程》2017年28期 　论文类型：期刊论文

【摘要】：当前大部分充电机硬件电路设计过于简单,通常是恒压恒流充电,同时充电控制过程只适于某一种蓄电池,无法有效控制充电过程,在很大程度上会导致电池欠充或过充,减少蓄电池使用寿命。为此,设计一种新的电动汽车多段式智能自动化充电机。硬件设计中,介绍了主电路、采集电路和控制电路的设计过程。软件设计中,将整流电路和蓄电池共同看作被控对象,将充电机的输出和一个小电感串联在一起,给出被控对象数学模型,将其看作传递函数,通过PID算法对充电机进行充电控制。实验结果表明,所设计充电机稳压稳流精度高、并联均流不平衡度低、发热状态可达到允许温升要求,且充电控制性能高。
[Abstract]:Most of the current hardware circuit design is too simple, usually constant voltage and constant current charging, while charging control process is only suitable for a certain battery, can not effectively control the charging process. To a great extent, the battery will be undercharged or overcharged, and the service life of battery will be reduced. Therefore, a new multi-segment intelligent automatic charger for electric vehicle is designed. In the hardware design, the main circuit is introduced. Acquisition circuit and control circuit design process. In the software design, the rectifier circuit and the battery are regarded as the controlled object together, the output of the charger and a small inductor are connected in series, and the mathematical model of the controlled object is given. It is regarded as a transfer function, and the charging control is carried out by PID algorithm. The experimental results show that the designed charger has high precision of steady voltage and steady current, and low imbalance of parallel current sharing. The heating state can reach the allowable temperature rise requirement, and the charge control performance is high.
【作者单位】：商丘工学院信息与电子工程学院;
【基金】：河南省高等学校重点科研项目(15A480012)资助
【分类号】：TM910.6;U491.8
【正文快照】： 近年来,环境污染问题严重,电动汽车发展迅速,蓄电池技术在逐渐进步[1]。当前适于电动汽车的蓄电池种类较多,亟须一种方便、快速、通用性强的智能自动化充电机,自动进行充电,防止欠充与过充的现象发生[2,3]。充电控制技术是智能自动化充电机的关键部分,当前有关充电控制技术的

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