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Design and Implementation of Novel Smart Battery Management System for FPGA Based Portable Electronic Devices

机译：基于FPGA的便携式电子设备新型智能电池管理系统的设计与实现

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This paper presents the analysis and design of a smart battery management system for Field Programmable Gate Array (FPGA) based portable electronic devices. It is a novel concept of incorporating the functionality of a smart battery management system into the FPGA used by portable electronic devices, which provides the following advantages. (1) It lowers cost since the conventional commercial independent battery management circuit can be eliminated; (2) It offers more flexibility because FPGA based battery management algorithms can be specifically designed for different battery chemistries of different devices and can provide the flexibility of algorithms and functionalities updating as well. Smart battery management system concepts include four aspects: (1) smart charging; (2) battery balancing; (3) smart discharging; and (4) safety operating. One novel charging algorithm, which combines the merits of multistage charging and pulse charging, is proposed to charge a Li-ion battery pack smartly. A Proportional Integral (PI) control method is introduced to achieve the current control of charging circuit with considerable close loop stability. Simulation results from the PSIM 9.0.4 software package and experimental results from the prototype built in the lab are demonstrated to verify the effectiveness of smart charging. The realizations of battery balancing, smart discharging, and safety operating are also briefly described by taking advantage of the proposed FPGA based smart battery management system topology, which verify the feasibility of the proposed FPGA based smart battery management system for portable electronic devices.
机译：本文介绍了基于现场可编程门阵列（FPGA）的便携式电子设备的智能电池管理系统的分析和设计。将智能电池管理系统的功能整合到便携式电子设备使用的FPGA中是一个新颖的概念，具有以下优点。 （1）由于可以省去常规的商用独立电池管理电路，从而降低了成本; （2）它提供了更大的灵活性，因为基于FPGA的电池管理算法可以针对不同设备的不同电池化学特性进行专门设计，并且还可以提供算法和功能更新的灵活性。智能电池管理系统的概念包括四个方面：（1）智能充电; （2）电池平衡; （3）智能放电; （四）安全运行。提出了一种结合多级充电和脉冲充电优点的新颖充电算法，可以对锂离子电池组进行智能充电。引入比例积分（PI）控制方法以实现具有相当大的闭环稳定性的充电电路的电流控制。演示了PSIM 9.0.4软件包的仿真结果和实验室中构建的原型的实验结果，以验证智能充电的有效性。还利用提出的基于FPGA的智能电池管理系统拓扑结构简要介绍了电池平衡，智能放电和安全操作的实现，这验证了提出的基于FPGA的便携式电子设备智能电池管理系统的可行性。

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