【正文】 數(shù)值的 respect to相對于 冪 權(quán) 二進(jìn)制 處理，操縱，控制 ，腳標(biāo) 八進(jìn)制 電路 繼電器 性能 緩沖器 代數(shù) table 真值表 變量 觸發(fā) edge 上升沿(lagging）edge 下降沿 計數(shù)器 第四單元,功率 幅度 轉(zhuǎn)換器 包含，擁有 量值 焊接 泵 節(jié)流閥 熒光的 里程 可恢復(fù)的 光電的 描述 子系統(tǒng) 矩陣 規(guī)定，決定 隔離 supply電源 變壓器 常數(shù) 調(diào)制 濾波器 衰減 ，過剩 維護(hù)，保養(yǎng) 模塊 損耗 拓?fù)?第六單元 ；整定值 protocols 路由器協(xié)議 theory derived reasoning 因果推理 違反直覺的 ；有回力的 ；干擾 control 開關(guān)式控制 過度反應(yīng) ，推論(PID)比例積分微分 disturbance隨機(jī)擾動 （儀） ；多相 inversion fraction 有理分式 ；；累加值 system學(xué)習(xí)系統(tǒng)；訓(xùn)練系統(tǒng)；循環(huán) ；識別 spectrum 頻譜第九單元1Culmination頂點(diǎn)，極點(diǎn) 2split分離的3philosophy原理，原則 4incorporation合并，結(jié)合 5volatile易變的 6mit保證 7emulation競爭 8albeit雖然 9custom定制10variant不同的，替換的 11piggyback背負(fù)式的 12erasable可擦除的 13socket插座14thermostat恒溫器 15protocol協(xié)議16timesuming耗時的 17baud波特 18elapse經(jīng)過 19evaluation估計 20preset事先調(diào)整的 21preloadable預(yù)載的 22decrement減少量 23auxiliary輔助的24drawback缺點(diǎn)，障礙25dysfunction官能不良，官能障礙 26interface接口，界面，連接體 27irksome令人厭煩的，令人惱恨的 28namely即，那就是29peripheral次要的。它們用來直接衡量一個系統(tǒng)的階躍，斜坡，拋物線輸入的最小且理想的誤差區(qū)域。System specifications are also given in terms of the error constants as well as the system error constants are used to relate the system gain and time constants to the system error of a unity feedback measure directly the minimum ideal steady state error of a system for a step ,ramp and parabola 。Underdamped Natural Frequency欠阻尼的固有頻率This is directly related the “springiness”of a the damping ratio it may be applied to secondorder systems or higherordersystems possessing dominant 。高階系統(tǒng)可以有多個阻尼比，而由主導(dǎo)極點(diǎn)做對應(yīng)的阻尼是最重要的。It measures the damping of a plex pole systems may have more than one damping ratio although the damping measured by the most dominant plex pole pair is of most damping ratio is an important parameter in determining the transient performance and stability of a 。Settling Time穩(wěn)定時間The settling time is defined as the time necessary for the response to increase to and stay within a specified range of its final of five percent is often stated as the tolerable number of oscillations necessary to reach this condition is also a useful 。對于二階欠阻尼系統(tǒng)，到達(dá)尖峰超越量的時間也是一個較好的對系統(tǒng)響應(yīng)速度的衡量。它定義了響應(yīng)從穩(wěn)定部分誤差的10%上升到90%需要的時間。在多數(shù)精心設(shè)計的系統(tǒng)里，尖峰超越量低于30%。它還經(jīng)常用在有一對顯性的復(fù)數(shù)極點(diǎn)的高階系統(tǒng)。對于這個系統(tǒng)我們觀察到尖峰超越量在無阻尼比率下降的時候上升。Peak Overshoot尖峰超越量This is measured when the response has maximum is an indication of the largest error between input and output during the transient the system considered we observed that the peak overshoot increased as the damping ratio concept of peak overshoot is not limited to only secondorder is often used for higherorder systems that have adominant pair of plex poles are those located nearest the imaginary most welldesigned systems ,peak overshoots are lower than 30%.這個是在響應(yīng)有最大值的時候測量得到的。這類信息和二階系統(tǒng)和高階系統(tǒng)有關(guān)，此類系統(tǒng)的特征方程具有一對復(fù)數(shù)零點(diǎn)，對系統(tǒng)瞬態(tài)響應(yīng)起主要作用。第三個部分與參數(shù)變化引起的系統(tǒng)誤差相聯(lián)系。第一個部分涉及到的規(guī)格直接和系統(tǒng)響應(yīng)有關(guān)。一般把這些一個系統(tǒng)必須處理的要求叫做性能指標(biāo)。第一篇：電氣工程及其自動化專業(yè)英語電氣工程及其自動化專業(yè)英語老師：學(xué)生:專業(yè)：電氣工程及其自動化學(xué)院：學(xué)號：Automatic Control system自動控制系統(tǒng)When a specific systemis proposed for a given application,it mustsatisfy certain may involve the system response or optimization of the system in a specified requirements that a control system must meet are generally called performance ，它必須滿足這個特定的要求。這個可能包括系統(tǒng)響應(yīng)或者系統(tǒng)精細(xì)方法的最佳組合。The performance that of a control system can be considered in three first part pertains to the specification as they directly relate to system second has to do with aperformance index that is a functionof the erroror last part is concerned with system error caused by parameter 。第二個部分和誤差與輸出功能的性能指標(biāo)有關(guān)。Control system specifications can directly related to system response as shown in the Fig type of information is germane to secondorder systems of higherorder systems which have a pair of characteristic zeroes that are plex and dominate the transient example ,a system with characteristic zeroes at5,10++j2 is a fifthorder system but the dominant zeroes + monly used terms to describe system specification are peakovershoot ,rise time ,delay time ,setting time ,bandwidth ,damping ratio and undamped natural 。例如，一個有以5，10+j2,+j2作為特征根的系統(tǒng)是五階系統(tǒng)，+，上升時間，延遲時間，穩(wěn)定時間，帶寬，阻尼比率，無阻尼自然頻率。這是系統(tǒng)在不穩(wěn)定部分內(nèi)輸入和輸出之間最大的誤差的象征。尖峰超越量的概念不僅限制于二階系統(tǒng)。這些極點(diǎn)就是那些位于離虛周最近的極點(diǎn)。Rise Time上升時間The rise ti