節點電位法 的英文怎麼說

中文拼音 [jiédiǎndiànwèi]
節點電位法 英文
nodal voltage method
  • : 節構詞成分。
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 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...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 節點 : [電學] panel point; hybrid; packing; node; nodal points; joint of framework; pitch point; point pitch
  1. In power system full dynandc simulation software, the adndttance matrixes of fault branches are adopted in the fault models to simulate arbitrary symmetrical and unsymmetrical faults, by use of contraction technique for adndttance matrix the multi - faults and the randomly occurred faults can be processed. the feature of this method is that the arbitrary multi - fault occurred in a branch can be simulated without any additional branches or buses to be added, thereby, the ca1culation efficiency and the expedience of usage are improved

    本文提出採用故障支路導納陣處理復故障計算,該演算可以對一條支路發生任意重故障進行處理,而不需要增加支路或,克服了目前常用的力系統機暫態程序在處理復故障時,一般要按照事先預想的故障類型以及故障和操作發生的置增加新的和小開關支路的問題。
  2. The teaching programs in the central node are transferred to the teaching terminals, while the request of terminals can be feed back to the central node. thus, the broadcasting of teaching programs can be controlled at both the terminals and the central node, and many functions such as teachings by tv or computer can be carried out. the central node of this distance teaching system is consisted of a smart server controller, which provides the transmission ports, and a program controller, which manages the switch of teaching programs

    實現遠程教育的方很多,本文主要目的是從學校遠程教學的角度出發,並結合傳統學校教學的特,構建一種基於遠程教育的校園多媒體綜合教學網路系統,可以把於學校主控中心教學目源的教學內容傳送到各種教學上,同時教學的教學情況也可以回傳到主控中心,雙方可以實現雙向控制教學目的播放,實現具有遠程概念的雙向視教學、計算機教學和教學觀摩等功能。
  3. At last, it deduced a new improvement method from the theories, and make use of a new physical concept ? the independent of speed function for accuracy checking up the turns sub - position and the communication point so as to control sensorless brushless dc motor with the breadth regulating - speed scope from zero to high speed. based on the function, it will research the new control method

    最後,從理論上推導了新的改進方,並利用一個新的物理概念? ?與速度無關的置函數g ( ) ,其能高精度檢測出轉子置和換相,以此來控制無刷直流機,實現機從零轉速到高轉速的寬速度范圍調,在此基礎上研究了應用這種新的置函數的控制策略。
  4. For above problems, i design boole process - based algorithm. for example, hazards finding theory work out a formal method of finding hazards by waveforms computing ; waveforms increasing algorithm settle the defect of boole process in feedback cycle treatment ; false paths discerning algorithm can delete useless nodes in netlist effectively ; inertia conflict eliminating method describes the state of nodes truelier and reduces computing

    其中,冒險檢測定理給出了通過波形運算檢測路中冒險現象的哈爾濱工程大學碩士學論文形式化方;波形遞增演算解決了boole過程在處理路中反饋環問題上的缺陷;偽路徑識別演算能夠有效地去除路網表中的無用;而慣性沖突消除能使對狀態的描述更加真實,並減少了計算量。
  5. Displacement function means for calculating geostress in fem analysis of underground houses is used, based on crustal stress data of underground cavern of pump water station of tong guanshan yixing to store energy, applying the displacement function theory and 3d nonlinear fem, the thesis simulates a displacement field applied the boundary in engineering area and obtain the initial crust stress field through load function in ansys. the result shows that the error between regressed ones and actual ones is controlled in allowed limit and supply the important data for building and design

    根據宜興銅官山抽水蓄能站地下廠房區的地應力實測資料,運用移函數理論,採用三維非線性有限元計算方,反演出施加在廠房區邊界上的移場,藉助州sys有限元分析軟體,獲取模型邊界的坐標信息,然後通過ansys軟體的載荷函數將邊界移程序化施加到模型邊界上,最後得到整個區域的初始地應力場,結果表明回歸后的地應力值與實測值接近,為地下工程的施工設計提供了重要的資料。
  6. How to maintain a good relation with professional channels ? the thesis discusses above issue from several aspects. firstly, the definition and character of mass - decentr alized communication and the reflection of composite channels " development by charts and figures ; secondly, the reasons why composite channels are still a main part of media market, outlining the causes from three hands : the character of chinese audience, the present situation of chinese channels, mainly in the ability of producing programs and the models of some foreign channels excelling in producing marketing and so on ; thirdly, the strategy of composite channels " development, including the choice of programs, the arrangement of channel structure and the marketing strategy of famous - brand in the composite channels

    全文主要從三個角度對綜合頻道的發展進行闡述:第一部分,概括了分眾化傳播時代的特和實質以及用圖表、相關數據結合理論分析近年來1 ,國頻道發展過程中出現的一系列的問題:即視劇仍是各頻道播出目的主體、一}了日1司質化傾向嚴重、頻道資源的優化組合問題啞待解決以及頻道劃分不夠科學和合理,頻道定不明確;第二部分,從中國視受眾的實際情況(包括受眾的年齡、性別、教育程度、家庭收入、觀眾的收視行為、文化產品的消費習慣、思維習慣和收視心理) 、中國的媒介大環境(主要是目製作能力) 、國外的傳媒環境(側重於abc7頻道和視二臺的經驗分析)三個方一面闡釋綜合頻道仍能繼續發展、大有作為的原因;第三部分,也是全文最重要的部分?中國綜合頻道的發展,錢略。
  7. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、改進演算等,編制了bp神經網路程序:制備了纖維增強復合材料試件,並進行實驗模態分析;利用坐標相同、號不同的方模擬脫層損傷,基於eas列式的壓固體單元計算了不同脫層損傷情況下的頻率信息;針對基於實驗數據訓練神經網路存在樣本不足的缺陷,本文提出了利用有限元方對含有脫層損傷的復合材料試件進行數值模擬,以前五階彎曲模態頻率構建訓練樣本的新思路,並提出了一種初步的計算值修正方,以此構建神經網路的訓練樣本:將實驗模態分析的結果送入訓練好的神經網路進行預測,實現了對復合材料梁的脫層損傷的定和損傷程度的評估。
  8. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章:第一章、緒論中介紹了bldcm的發展歷程、機本身的結構特和工作原理等;第二章、針對五置傳感器bldcm的起動問題,文中詳細給出了檢測脈沖轉子定起動技術;第三章、從機的數學模型入手,詳細論述了反動勢端和系統的控制策略;第四章、介紹了硬體實現中的兩個重要器件: dsp ( tms320f240 )和功率管逆變器控制晶元( ir2131s ) ;第五章、詳細給出了控制系統的硬體實現細;第六章、利用ti提供的ccs集成開發環境,將前面章的控制方案用軟體加以實現,給出了主要部分的程序流程圖和一些編程要以及實驗結果。
  9. Finite element method for an offshore platform with complex nodes with a cathodic protection system

    海洋平臺復雜陰極保護分佈的有限元計算
  10. The emcn model is set up by use of flux - tube method. in this method, the segment in which the flux density is relatively even is considered to be an element, the permeance of each element can be calculated by use of conventional method. finally the permeance network can be set up by connecting each node with permeances, then the parameters and performance can be obtained

    其基本思想是通過磁通管原理,把機內部磁通密度相對均勻的部分看作一個單元,計算出單元的磁導,最後再把各個用等效磁導連接起來構成一個磁導的網路圖,再根據路的基本解求得各個的磁,從而求得機的參數和性能。
  11. The feeder net model for distribution automation is built based on the nod information matrix and the line information matrix, and the nods represent the switches and the fault indicator in the distribution net. the method of fault locating offered by this paper called line fault probability method, which locates fault by calculating the fault probability of line in the net. this paper also provides a method called volts d. c. for restoration and offers the regulation of restoration

    採用、支路信息矩陣來描述配網路,形成面向故障自動化處理的網路數據結構;提出了基於支路故障概率的故障定演算,並結合短路流特性判據來定故障支路;在定義直流等值網的基礎上,提出了優化供恢復的直流壓降;開發了配網故障自動處理軟體系統,並用於實際配自動化工程中。
  12. In can - bus communication technique, the circuit design method of can - bus node and the technique of structuring distributed can - bus controlling network are put forward, how to realize can calling and broadcasting communication under pelican mode is explained thoroughly, and the computational technique of bit - timing parameter of can controller sja1000 is detailed

    在can總線通信技術中,給出了can總線路的設計方和基於can總線的分散式控制網路的組建方,詳細論述了增強模式下can總線分散式控制網路實現名和廣播通信的原理與方,深入探討了can控制器sja1000定時參數的計算方
  13. The fourth chapter introduces the circuit design method of can - bus node, as well as the technique of structuring distributing - type can - bus measuring and controlling network, explains thoroughly how to realize can calling and broadcasting communication under pelican mode, and discusses detailedly the computational technique of bit - timing parameter of can controller sja1000. the latter part of this chapter points out several important problems confronted and solved by the author in the course of designing can - bus communication system

    第四章介紹了can總線路的設計方和基於can總線的分散式測控網路的組建方,詳細論述了增強模式下can總線分散式測控網路實現名和廣播通信的原理與方,深入探討了can控制器sja1000定時參數的計算方,總結了作者在設計can總線通信系統的過程中遇到和解決的幾個關鍵問題。
  14. Transmission line design is a complex system project with large investment. based on data provided by digital transmission network, and combined with the genetic algorithm, the thesis puts forward a general optimization method to deal with the difficulties in transmission line design, which are path and pole selection of the transmission line. synthetically contemplating all kinds of environmental and anthropogenic factors, the method has great pragmatic meaning in saving cost of design

    線路設計是一項投資巨大且相關因素復雜的系統工程,本文基於「數字輸網路」提供的信息數據,結合遺傳演算,對線路設計中的難? ?路徑選擇和桿塔定提出了全新的全局優化方,該方綜合地考慮了各種環境及人為因素,對約設計成本、提高設計工作的科學性具有很大的現實意義。
  15. And the controlling method of pi makes the temperature control quick and stable. at the same time, the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface, so as to realize the remote control of computer to the temperature control equipment. finally, the performance test of the semi - conductor temperature control equipment researched in this paper is carried out, and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0. 2, and the degree of temperature stablization is less than 0. 05

    整個系統採用閉環控制結構,使系統的抗干擾能力大大增強;為半導體製冷器量身定做的驅動路,可以方便的調通過tec流的大小和方向,使tec加熱製冷靈活迅速的特得到充分發揮;使用比例積分( pi )的控制方使得溫度控制快速穩定;同時,本文還實現了溫控儀與上機通過串列口和usb口兩種方式的通訊,實現了上機對溫控儀的遠程控制;最後,對所研製的半導體溫度控制儀進行了性能測試,測試結果表明,半導體溫度控制儀溫控精度達到0 . 2 ,溫度穩定度小於0 . 05 ,滿足了系統設計的要求。
  16. Emcn can transfer the area in machine into several elements, each node and mesh are fixed and irrelevant to rotor rotation. only the values of permeances are related to motor rotation, but all the relations of the permeances are fixed

    等效磁網路是把機內部化分成許多單元,各個和單元的劃分是固定的,與機的轉動無關,與機轉子置相關的量是各個部分的磁導值,而各個部分的相對關系不變。
  17. Because any component ( including segtion of line ) in distribution network belongs to the main line or branch line, this aogorithm classfies all the components in the distribution network into two type of aggregated components, feeder - node component and branch line - node component, and thinking the component fault is equivalent to the corresponding node component fault, adopting binary tree as the model of distribution network is very fast to traverse all the nodes and search of any node in the network

    根據配網路中任一元件於饋線或分支線這一特,將整個網路的元件組合成饋線和分支線兩種集合元件,從而將元件故障等效為相應的故障,實現對配網路模型的簡化,採用二叉樹模型作為演算的數據結構,易於實現對整個網路的遍歷及的搜索。
  18. By analyzing the model of radio wave propagation loss, this paper provides a weighted centroid localization algorithm that uses coefficients, which are decided by the influence of beacons to unknown nodes, to prompt localization accuracy

    文中通過對無線傳播路徑損耗模型的分析,提出了加權質心定演算,用信標對未知的不同影響力來確定加權因子,以提高定精度。
  19. The article in lead - zinc mineral tailing transmission pumps electric motors automatic control system of huang - shaping, for example, a detailed account of the system frequency conversion governor, ultrasound liquid position controller design models, debugging points and parameters set methods, and energy saving effect of a careful analysis

    摘要文章以黃沙坪鉛鋅礦尾礦輸送泵動機自動控制系統為實例,詳細介紹了系統中變頻調速器、超聲波液控制器的設計選型、調試要和參數設定方,並對能效果進行了認真分析。
  20. The paper is the project named " theory of dynamic precision synchronization traverse and research of realization methods for linear servo dual position loops system ( no - 50075057 ) " as the background, which is supported by national natural science foundation of china drive directly by linear permanent magnet synchronous ac motor, the controlled plant eliminates middle drive parts and avoids the effects of the mechanical transmission chains from rotary motions to linear ones

    本文以國家自然科學基金資助項目《直線伺服雙置環動態精密同步進給理論和實現方研究( no 50075057 ) 》為背景,針對直線同步進給提出了一種新的控制方案:模型參考自適應控制。機床採用永磁直線同步動機直接驅動,省掉了中間的傳動環,消除了機械傳動鏈的影響;又因永磁直線同步動機採用高能永磁體,具有磁推力強度高、損耗低、氣時間常數小、響應快等特
分享友人