UCAADS模擬環境是一套整合性的開發平台，提供各類工具，幫助開發適合人類使用的輔助性裝置及系統，例如聰明藥盒、覓物手機、智慧型櫥櫃等。本篇論文描述了幾項重要工具的設計與實作，使得此模擬環境可以更容易地使用，並且更快速地找出設計上的錯誤。其中包括使用時間軸工具來呈現事件，可以幫助開發者分析人機互動的模擬結果；工作流與GOMS模型的結合，得以模擬較為複雜的人類行為，並預測執行時間；提供轉換工具，幫助建造使用者工作流，減輕開發者的負擔。

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