基于波波分解和重建算法的功率电子转换器联合规模模型的构建和模拟
1School of Transportation Engineering, Jiangsu Vocational Institute of Architectural Technology, Xuzhou, China.
PloS one
|April 5, 2024
概括
本研究介绍了一种使用波纹分解和重建的联合规模模型,用于功率电子转换器. 这种先进的模型准确地捕捉了多个规模的现象,提高了系统的性能和可靠性.
科学领域:
- 电力电子 电力电子 电力电子
- 信号处理 信号处理
- 计算建模 计算建模
背景情况:
- 电力电子系统表现出复杂的多尺度现象,从纳秒切换到小时级操作.
- 新兴的宽半导体技术加剧了这些多尺度效应,影响了动态响应,EMI和热管理.
- 传统的单尺度模型难以准确地表示快速过渡过程和高频切换行为.
研究的目的:
- 开发和模拟一种联合的电力电子转换器规模模型,以解决多个尺度的现象.
- 克服传统单尺度和简单多尺度模型在捕获精细时间尺度细节方面的局限性.
- 为了提高功率电子转换器模型的精度和模拟性能.
主要方法:
- 为功率电子转换器构建和模拟一个整合宏观和微观尺度的联合规模模型.
- 波纹分解和重建算法的应用来分析多尺度特征.
- 使用开发的算法,在短时间范围内分析功率电子转换器特性.
主要成果:
- 联合规模模型有效地捕捉了宏观平均特征和微观短暂动态.
- 波段重建准确模拟快速变化,压缩无关信息,并保留关键信号特征.
- 实现了显著的错误减少:在10-7秒的步骤大小下近3%,在8×10-8秒的步骤大小下超过14%.
结论:
- 波波分解和重建的融合提高了功率电子转换器模型的准确性和系统性能.
- 该模型的减少错误证明了设计,测试和预测性能问题的实际意义.
- 波形算法促进了准确的多尺度建模,减少了模拟时间,并支持新兴的宽带差半导体技术.
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