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基于PCE的不确定PWA建模和控制DMHP模式过渡系统

Cong Liang¹, Huayang Sun¹, Xing Xu¹

¹Automotive Engineering Research Institute, Jiangsu University, Zhenjiang 212013, China.

ISA transactions

|October 14, 2025

概括

动力系统参数的不确定性会影响到混合动力系统. 一个新的控制策略确保了顺的模式过渡,尽管这些变化,提高性能和质量.

科学领域:

汽车工程汽车工程
控制系统工程控制系统工程
混合动力电动汽车技术混合动力电动汽车技术

背景情况:

制造变化,摩擦和磨损会在动力系统参数中带来随机的不确定性.
这些不确定性,加上非线性动态,降低了混合动力发动机的模式转换过程 (MTP) 质量.
双引擎混合动力传动系统 (DMHP) 特别容易受到这些MTP性能问题的影响.

研究的目的:

调查参数不确定性对DMHP中MTP性能的影响.
制定协调的控制策略,以减轻这些不利影响.
在不确定的运行条件下确保稳健而流的MTP.

主要方法:

进行了本地和全球灵敏度分析,以确定影响MTP的关键动力系统参数.
利用多项式混沌扩展 (PCE) 来将MTP的不确定的零碎相似 (PWA) 模型转换为决定性系统.
为强大的MTP设计了一个PWA-PCE H2协调控制策略.

主要成果:

敏感性分析确定了影响MTP性能的关键参数.
该PCE方法成功地将不确定的MTP模型转换为决定性框架.
拟议的PWA-PCE H2控制策略在处理参数不确定性方面表现出有效性.
模拟和硬件在循环 (HiL) 测试验证了该策略保持高质量的MTP的能力.

结论:

参数不确定性对DMHP中平滑MTP构成重大挑战.
开发的协调控制战略有效地解决了这些不确定性.
拟议的方法确保了稳健和高质量的MTP性能,即使在系统变化.

关键词:

双发动机混合动力发动机的动力系统.模式转换过程模式转换过程多项式混乱扩张的多项式.强大的控制控制.不确定参数的不确定参数

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