電路容差 的英文怎麼說
中文拼音 [diànlùróngchā]
電路容差
英文
circuit tolerance- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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In this paper, the design of a practical sort of high performance biquadrates elliptic active band - pass filters is emphasized, and then the design techniques and how to calculate the resistors and capacitances, how to make computer simulation and tolerance analysis with computer are described in detail
摘要本文我們重點介紹了一種實用的雙二次型高性能橢圓函數有源帶通濾波器的設計方法,詳細介紹了該濾波器的設計步驟及阻容元件的參數計算,並對設計出的電路用計算機進行模擬模擬和容差分析。The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished
本文介紹了實驗臺的整體結構,實驗內容的設置和各實驗的工作原理,模擬了傳動誤差曲線及其空域頻譜圖,詳細闡述了轉子測量的電路設計、下位機程序設計和上位機的軟體設計。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。This paper presents a approach of module level fault diagnosis for large - scale tolerance analog circuit based on the neural network and the crossover tearing technology according to conventional circuit decomposition technology in large - scale circuits
本文在傳統的大規模電路的撕裂演算法的基礎上,提出了基於神經網路和交叉撕裂法的大規模容差模擬電路診斷方法。At present, most of the domestic simulation systems designed with analogy circuits, are easy to run out and affected by the ambient temperature with their complex structure and poor ability to withstand disturb
目前,國內現有的原動機模擬系統,大多採用模擬電路,存在結構復雜、電子元器件容易老化、易受環境溫度影響、抗干擾能力差等缺點。The robustness and associated memory of ann make the method more advantageous than tradition method. the simulation results show us that the proposed method can perform correct diagnosis in the linear analog circuit with tolerances
通過電路模擬表明,利用所提出的實現方法對具有容差的模擬電路進行了較為準確的診斷,達到預期的自的。Therefore, they serve as restricts to design these blocks at the circuit level. secondly, based on the study of the resistor offset averaging network, a capacitance offset averaging network is designed. the differential non - linearity ( dnl ) and the integral non - linearity ( inl ) are reduced 70 % by applying this capacitance offset averaging network
其次,研究了電阻誤差平均網路的特性,設計了電容誤差平均網路,分析可得此電路技術可改善電路微分非線性( dnl )和積分非線性( inl )達70 %以上,和電阻誤差平均網路對dnl抑制效果好不同,電容誤差平均網路對inl的抑製程度是對dnl的抑製程度的2倍以上。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again
首先進行了與可靠性相關的數據收集與分析,對故障模式進行統計;然後從電路結構、環境應力及容差三個方面進行可靠性分析,從而為關鍵的可靠性設計提供了依據;接下來的可靠性設計,從電路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性分析階段發現的問題;最後,我將改良的發生器批量生產,並從中重新收集了可靠性數據進行計算,事實證明改良后高頻無極燈的平均壽命已達到6萬小時。Conductance instrument is applied very popularly. but the traditional instrument has such shortcoming as many gears, manual compensation, big error. and it has complicated circuits and only can be used in a relative small scope
然而,傳統的電導率儀分檔多,溫度、極化效應和電容效應的影響引起的誤差需人工進行補償,或使用復雜的硬體電路,造成使用不便,電路復雜、校正范圍小。The coupling capacitors can couple a control signal to the corresponding internal terminal, i. e., the output terminal of the differential circuit
耦合電容可以耦合控制個至對應的內部端點上,亦即差動電路部份的輸出端上。A capacitor - coupling differential logic circuit handling the output of a differential circuit using coupling capacitors and sense amplifier
一種電容耦合差動邏輯電路,其中主要是利用耦合電容以及感測放大器的作用,來處理一差動電路部份的輸。In the paper, based on the existing literature research foundation an analog circuit catastrophic fault location approach by using feedforward networks with back ? propagation learning is realized. by this approach, the simulation require ments before test are reduced because fewer training samples are needed, and the fault location process is fast. this method is very efficient in location of single hard fault wit component tolerances. the measureme nt space feature and the general characterization concept of single and double soft fault in linear circuits are presented. according to this concept, a linear circuits soft fault location approach using subhidden layer bpnn is established with element tolerance, and it is shown that this approach is successful in fault location. a double fault feature extraction.,
本文在現有文獻理論研究的基礎上實現了採用bp演算法前向多層神經網路對直流測試下模擬電路硬故障的診斷方法。其特點是採用少量典型特徵樣本作為bp網路的訓練樣本,獲得訓練樣本的代價小,減少了測前工作量,同時診斷速度快,在考慮元件容差時仍有好的診斷效果。文中介紹了線性電路單一軟故障和雙軟故障所具有的電壓增量空間特性和統一特徵概念。The fault diagnosis of the analog circuits is an advanced synthesis intercrossed subj ect, which is an application technology absorbing the new theory, technology and method in other subjects and fields. in the past 40 years, it has developed a great deal of theory and approaches. but the approaches are limited to deal with fault diagnosis because of the variety and complexity of the analog circuits, especially the large - scale analog circuits with the tolerance or the soft fault. artificial neural networks ( ann ) which have been one of the most active research areas recently can be contributed to solve problems in various practical fields. in this paper, analog circuit fault diagnosis approach based on pattern recognition, and ann is expatiated
模擬電路故障診斷是一門不斷發展中的綜合交叉性學科,是在不斷吸收其它學科和領域的新理論、新技術和新方法的基礎上向前發展的一門應用技術。雖然經過了四十多年的發展,也已經形成了一系列的診斷理論和方法,但由於模擬電路特別是有容差的大規模模擬電路故障的多樣性和復雜性,使得可用於診斷容差模擬電路的故障和大規模模擬電路軟故障的方法還十分有限。人工神經網路理論近年來取得了快速發展,已開始在各個研究領域廣泛應用。When the silicon technology comes to deep sub - micron level, the interconnect delay exceeds the gate delay ; and because of the increase of 1c work frequency, the allowable errors become smaller, and the influence of the transmission delay gets bigger, which increase the difficulty of the circuit design
在深亞微米製造技術中,晶元互連線延遲超過門延遲,而且隨著集成電路工作頻率的提高,允許的時序容差變小,傳輸延遲的影響加大,設計工作難度增加。On hardware and soft ware, good anti - disturbances measures has been adapted considering environmental factors such as high altitude, temperature difference. the anti - disturbances ability was enhanced. cooperation of hardware and software make hardware circuit simple and little effect of zero point shifting, and easy for software system to be modified. after the hardware component and the software component of on - line
在硬體和軟體的設計上,採取了較好的抗干擾措施,充分考慮大溫差高海拔等各種環境因數,提高了監測系統的整體抗干擾能力,採取軟體和硬體相互配合的方法,使硬體電路相對簡單,系統受零漂移的影響較小,同時對軟體系統的改進較為容易。At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss
然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。Based the background of reliability technology study on one certain type of power conditioning system of icf, this paper will keen on circuit tolerance analysis problems found in the system reliability design phase. the work is funded by the national " 863 " project
本文以國家「 863 」項目某型慣性約束聚變( icf )設施的能源系統電路可靠性技術研究為背景,針對其中存在的系統可靠性設計的電路容差分析問題開展研究。Main contents and contributions of this paper are as follows : as tolerance analysis theory is concerned, the traditional methods like worse - case analysis, moment method, mc analysis are studied systemic, tolerance analysis method based on interval mathematics is discussed emphatically. besides, applications and algorithms ( including importance sampling, genetic algorithms ) of tolerance analysis are reviewed
本文主要研究工作如下:在電路容差分析理論方面,系統地研究了傳統的容差分析方法,如最壞情況分析法、矩法、 montecarlo法,在此基礎上對區間容差分析法進行了深入的研究。Tolerance distributions are simulated by computer, a computer simulation program based on mc method has been used to analysis the model. after calculating part tolerance compounds of five levels, get acceptable capacitor and induce tolerance level compounds to assure the steady operation of power modules at certain confidence level. these will provide references to reliability design and analysis work of the power conditioning system
根據能源模塊的性能要求,建立能源模塊容差分析的隨機優化模型,利用計算機模擬能源系統電路元器件的容差分佈,給出了基於montecarlo方法的計算機模擬求解程序,並對五種確定容差等級元器件組合進行求解,得到了保證能源模塊在一定置信水平下可靠運行的電容器、電感容差等級組合的可行解集,為能源系統的可靠性設計分析提供了依據。分享友人