I controller積分控制器identifiability可辨識性IDSS (intelligent decision support system)智能決策支持系統image recognition圖像識別impulse沖量impulse function沖擊函數，脈沖函數inching點動incompatibility principle不相容原理incremental motion control增量運動控制index of merit品質因數inductive force transducer電感式位移傳感器inductive modeling method歸納建模法industrial automation工業自動化inertial attitude sensor慣性姿態敏感器inertial coordinate system慣性坐標系inertial wheel慣性輪inference engine推理機infinite dimensional system無窮維系統

　　information acquisition信息采集infrared gas analyzer紅外線氣體分析器inherent nonlinearity固有非線性inherent regulation固有調節initial deviation初始偏差initiator發起站injection attitude入軌姿勢input-output model投入產出模型instability不穩定性instruction level language指令級語言integral of absolute value of error criterion絕對誤差積分準則integral of squared error criterion平方誤差積分準則integral performance criterion積分性能準則integration instrument積算儀器integrity整體性intelligent terminal智能終端interacted system互聯系統，關聯系統interactive prediction approach互聯預估法，關聯預估法

　　interconnection互聯intermittent duty斷續工作制internal disturbance內擾ISM (interpretive structure modeling)解釋結構建模法invariant embedding principle不變嵌入原理inventory theory庫倫論inverse Nyquist diagram逆奈奎斯特圖inverter逆變器investment decision投資決策isomorphic model同構模型iterative coordination迭代協調jet propulsion噴氣推進job-lot control分批控制joint關節Kalman-Bucy filer卡爾曼-布西濾波器knowledge accomodation知識順應knowledge acquisition知識獲取knowledge assimilation知識同化KBMS (knowledge base management system)知識庫管理系統瓢knowledge representation知識表達