PI Expert 6.5專家系統及優化設計方法:摘要：PI Expert 6.5 專家系統是目前國際上最流行的基于PC 的單片開關電源計算機輔助設計軟件。利用該軟件可幫助讀者在短短幾分鐘內就完成反激式、正激式、降壓式或降壓/升壓式單片開關電源的最佳拓撲電路設計。首先介紹了PI Expert 6.5（漢化菜單）的主要特點及4 種導航工具，然后闡述了其優化設計實例及使用注意事項。
關鍵詞：單片開關電源；拓撲結構；優化設計；元件庫

Abstract: The PI Expert 6.5 expert system is a kind of popular single chip switch mode power supply computer aimed design software based on PC. Using the software, user can complete the topological circuit design of Flybackrd, Forward,Buck or Buck -Boost single chip switch mode power supply in few minutes. Firstly, the main characters and four navigation tools of PI Expert 6.5 (Chinese menu) are introduced. Then the optimization design example and note items are expatiated.
Keywords: single chip switch mode power supply; topological structure; optimization design; component library