物联网应用中的高效非隔离直流-直流转换器的最佳控制策略:一项比较研究
Sivakumar Kumaraguruparan1, Konguvel Elango1
1School of Electronics Engineering, Vellore Institute of Technology, Vellore, 632014, Tamilnadu, India.
Heliyon
|October 9, 2024
概括
本研究审查了DC-DC逆转器控制方法,以获得高效的物联网 (IoT) 功率. 自适应控制脉冲跳转调制 (APSM) 和自适应时间控制 (AOT) 显示出尽可能减少静止电流和输出波动的承诺.
科学领域:
- 电力电子 电力电子 电力电子
- 嵌入式系统工程 嵌入式系统工程
背景情况:
- 直流-直流转换器 (DDBC) 对物联网 (IoT) 设备至关重要,在不同的负载中需要高效率.
- 现有的DDBC控制方法往往受到高静止电流,显著的波纹和低于最佳效率的影响.
研究的目的:
- 在物联网应用中审查和比较DDBCs的调制和控制技术.
- 确定在各种负载条件下实现最佳功率转换效率的方法.
主要方法:
- 对DDBC调制和控制技术的文献综述.
- 对自适应控制的脉冲跳转调制 (APSM),脉冲频率调制 (PFM),数字脉冲宽度调制 (DPWM) 和自适应的时间控制 (AOT) 的分析.
主要成果:
- 控制方法的比较强调了它们在实现高效率方面的有效性.
- 讨论DDBC结构和控制方法,以尽量减少输出波纹和静止电流.
结论:
- 某些控制策略,如APSM和AOT,为物联网电源管理提供了显著的优势.
- 确定了对电源转换器控制的关键挑战和未来研究方向,以满足不断变化的物联网需求.
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