Pade approximation帕德近似Pareto optimality帕雷托最優性passive attitude stabilization被動姿態穩定path repeatability路徑可重復性pattern primitive模式基元PR (pattern recognition)模式識別P control比例控制器peak time峰值時間penalty function method罰函數法perceptron感知器periodic duty周期工作制perturbation theory攝動理論pessimistic value悲觀值phase locus相軌跡phase trajectory相軌跡phase lead相位超前

　　photoelectric tachometric transducer光電式轉速傳感器phrase-structure grammar短句結構文法physical symbol system物理符號系統piezoelectric force transducer壓電式力傳感器playback robot示教再現式機器人PLC (programmable logic controller)可編程序邏輯控制器plug braking反接制動plug valve旋塞閥pneumatic actuator氣動執行機構point-to-point control點位控制polar robot極坐標型機器人pole assignment極點配置pole-zero cancellation零極點相消polynomial input多項式輸入portfolio theory投資搭配理論pose overshoot位姿過調量

　　position measuring instrument位置測量儀posentiometric displacement transducer電位器式位移傳感器positive feedback正反饋power system automation電力系統自動化predicate logic謂詞邏輯pressure gauge with electric contact電接點壓力表pressure transmitter壓力變送器price coordination價格協調primal coordination主協調primary frequency zone主頻區PCA (principal component analysis)主成分分析法principle of turnpike大道原理priority優先級process-oriented simulation面向過程的仿真

　　production budget生產預算production rule產生式規則profit forecast利潤預測PERT (program evaluation and review technique)計劃評審技術program set station程序設定操作器proportional control比例控制proportional plus derivative controller比例微分控制器protocol engineering協議工程prototype原型pseudo random sequence偽隨機序列pseudo-rate-increment control偽速率增量控制pulse duration脈沖持續時間pulse frequency modulation control system脈沖調頻控制系統pulse width modulation control system脈沖調寬控制系統PWM inverter脈寬調制逆變器pushdown automaton下推自動機QC (quality control)質量管理quadratic performance index二次型性能指標qualitative physical model定性物理模型quantized noise量化噪聲quasilinear characteristics準線性特性queuing theory排隊論