适应性后退滑动模式控制单电感器双输出增压转换器
Minggui Mo1, Jiarong Wu1, Weilin Wu1
1College of Electronic Information, Guangxi Minzu University, Nanning, Guangxi 530006, China.
ISA transactions
|September 15, 2024
概括
本研究介绍了一种自适应后退滑动模式控制 (ABSMC) 策略,以提高单电感器双输出Boost转换器的性能. 新方法有效地减少了交叉监管,并改善了动态响应,优于现有的控制技术.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 电力电子 电力电子 电力电子
背景情况:
- 单电感器双输出 (SIDO) 提升转换器对于功率管理至关重要,但受到交叉调节和低于最佳的动态响应的影响.
- 现有的控制策略往往难以有效地平衡这些绩效指标.
研究的目的:
- 为SIDO Boost转换器制定先进的控制策略,尽量减少交叉调节,增强动态响应.
- 在转换器控制中解决精确反线性化 (EFL) 的模型依赖性.
主要方法:
- 建立了SIDO Boost转换器的非线性数学模型.
- 使用反向系统理论构建了精确反线性化 (EFL) 的输出函数.
- 提出了一个自适应后退滑动模式控制 (ABSMC) 策略,将后退和滑动模式控制结合起来.
- 引入了一个自适应的触及法,以减轻聊天和改善控制增益调整.
主要成果:
- 拟议的ABSMC战略成功实现了转换器模型的线性化和脱.
- 滑动模式控制中的喋喋不休显著减少.
- 使用利亚普诺夫稳定定理,严格证明了系统的稳定性.
- 模拟和实验结果证明了ABSMC在传统方法上的优势.
结论:
- 自适应后退滑动模式控制 (ABSMC) 策略为提高SIDO Boost转换器性能提供了强大而有效的解决方案.
- 该方法有效地解决了交叉监管和动态响应问题,并通过全面的测试来验证.
- 这项研究为功率转换器控制方法的重大进步做出了贡献.
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