优化DC-DC增压转换器的控制策略:实时应用适应性增益计划ISA-PI控制器,采用混合状态空间和线性参数变化建模
1Department of Electrical and Energy, Kelkit Aydın Doğan Vocational School, Gümüşhane University, Gümüşhane, Turkey.
PloS one
|July 9, 2025
概括
本研究介绍了用于DC-DC增压转换器的自适应增益计划ISA-PI控制器,改进了跟踪速度和干扰排斥. 新型控制器适应不同的条件,以提高效率.
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:
- 直流-直流增压转换器 (DCBC) 在连续传导模式 (CCM) 中表现出非最小相位行为和非线性动态.
- 传统的比例积分 (PI) 控制器在不同的操作条件下难以适应性和最佳性能.
研究的目的:
- 引入一个复杂的控制方案,用于DC-DC提升转换器使用适应性增益计划ISA-PI控制器.
- 为了提高控制器适应各种操作条件的适应性,并改善系统性能指标,如跟踪精度和干扰排斥.
主要方法:
- 开发一个可适应增益计划的ISA-PI控制器,具有与实时工作周期集成的独特可调节参数.
- 使用查看表和循环造型方法来动态调整控制器参数.
- 使用MATLAB/Simulink对单个PI控制器进行比较分析.
- 在dSPACE实时接口平台上进行实验验证.
主要成果:
- 与传统PI控制器相比,拟议的自适应增益计划ISA-PI控制器在跟踪速度上显示了两倍的改进.
- 观察到显著增强的干扰排斥能力.
- 控制器有效地减少了信号跟踪和过程变量调节中的延迟和超标.
结论:
- 适应性增强计划ISA-PI控制器为DC-DC增强转换器提供了卓越的性能,特别是在速度和稳定性方面.
- 独特的可配置参数和适应性使其在处理非线性动态和不同操作需求方面非常有效.
- 通过模拟和实验结果验证,这种控制方案代表了功率电子控制的重大进步.
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