用大模型自动设计电力电子调制方案，解释清晰且效率提升33倍
Physics-Informed Autonomous LLM Agents for Explainable Power Electronics Modulation Design
- 通过对话式交互获取需求，结合物理仿真迭代优化调制设计
- 相比最优基准，平均绝对误差降低63.2%，设计速度提升33倍以上
- 适合电力电子领域工程师快速实现可解释的自动化设计
基于大模型的自主智能体在解决复杂工业设计任务中展现出强大能力。然而，在追求碳中和与高性能可再生能源系统的领域，现有AI辅助设计自动化方法在可解释性、可扩展性和实用性方面面临关键挑战。为此，我们提出PHIA（Physics-Informed Autonomous Agent），一种由大模型驱动的系统，可在极低人工干预下自动完成电力电子系统中功率转换器的调制设计。与传统流程化方法不同，PHIA引入基于大模型的规划模块，通过用户友好的聊天界面交互获取并验证设计需求。该规划器与物理信息仿真及优化组件协同工作，自主生成并迭代优化调制方案。交互界面还支持全程提供文本解释与可视化输出，增强可解释性。实验结果表明，PHIA相较第二优基准将标准平均绝对误差降低63.2%，整体设计流程提速超33倍。20位领域专家参与的用户研究进一步证实PHIA在设计效率与可用性上的显著优势，凸显其在电力电子工业设计流程变革中的潜力。
原文摘要 · Abstract (English)
LLM-based autonomous agents have recently shown strong capabilities in solving complex industrial design tasks. However, in domains aiming for carbon neutrality and high-performance renewable energy systems, current AI-assisted design automation methods face critical challenges in explainability, scalability, and practical usability. To address these limitations, we introduce PHIA (Physics-Informed Autonomous Agent), an LLM-driven system that automates modulation design for power converters in Power Electronics Systems with minimal human intervention. In contrast to traditional pipeline-based methods, PHIA incorporates an LLM-based planning module that interactively acquires and verifies design requirements via a user-friendly chat interface. This planner collaborates with physics-informed simulation and optimization components to autonomously generate and iteratively refine modulation designs. The interactive interface also supports interpretability by providing textual explanations and visual outputs throughout the design process. Experimental results show that PHIA reduces standard mean absolute error by 63.2% compared to the second-best benchmark and accelerates the overall design process by over 33 times. A user study involving 20 domain experts further confirms PHIA's superior design efficiency and usability, highlighting its potential to transform industrial design workflows in power electronics.
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