流動電比擬法 的英文怎麼說

中文拼音 [liúdòngdiàn]
流動電比擬法 英文
electrolytic plottng tank method
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 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動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 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...
  • 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
  • 比擬 : 1 (比較) compare; parallel; draw a parallel; liken; match 2 (一種修辭手法; 把人擬作物或把物擬...
  1. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線合模塊,對輸入的實驗數據進行了最小二乘的曲線合;根據曲線合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵時由機械振形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及氣模網路參數。本課題提出的方與傳統的諧振?反諧振,能更準確地確定磁致伸縮換能器的諧振頻率及其氣網路參數。同時,採用當前較先進的web技術,實現了基於jsp的磁致伸縮換能器web氣模系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  2. To the current sequence component selecting fault - phase method based on comparing the phase of 70 and / 2, the author detailedly analyzed and simulated the action properties and the existent problems under all kinds of fault conditions, and put forward the corresponding solutions. 2

    ) _ 2相的序分量選相元件在各種故障情況下的作特性和存在的問題進行了詳細的分析和模試驗,並提出了相應的解決方; 2
  3. Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively

    文章中還建立一種基於模糊神經網路的非線性模型,並對分析了三種方,模中確定了機的最優開通關斷角,在此基礎上實現了斬波控制、角度位置控制、變幅值斬波控制以及分段雙閉環pi控制,模結果表明,它實現了機的正常運行,很好的抑止了機轉矩脈,同時有效地降低了噪聲。
  4. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反勢無刷直機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈系數、轉矩等方面進行了全面的分析與較,模研究和實驗結果表明,當反勢的平頂寬度小於107角時,採用自同步svpwm控制方可以在不損失轉矩的基礎上,更有效地抑制磁轉矩脈
  5. 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容結構,採用體硅微機械工藝製作的高深寬叉指容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元進行了模分析,根據模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程和關鍵工藝技術;對敏感晶元內部的c - v介面路進行了原理設計與分析,利用差測量技術得到由振引起的微小容變化量,經c - v介面路進行相位調制處理,然後通過解調輸出與加速度成正壓信號。
  6. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛儀器技術開發平臺下,首次利用labview中的直線合模塊、指數合模塊以及多項式合模塊,設計了一種對實驗所得數據進行曲線合的方,對三種合方進行了較,曲線合結果表明,多項式合方相對于其它兩種合方效果更好;根據曲線合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵時機械振形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其氣模網路參數;最後通過labview提供的網路功能,實現了基於web服務器的磁致伸縮換能器氣模儀器測試系統,並探討了通過datasocket技術實現該系統網路化的方案。
  7. Chemical industry information not merely embodyed the ordinary chemistry information substance, chemistry manufacture technological process and representative installation introduction are still have, in case contacing legal institutions sulphuric acid ? nitric acid industry system law ( ammonia oxidate law ), synthetic ammonia industry, chlorine and caustic soda are manufacture to electrolysis salt water, along with electrogilding, refine aluminium, iron - smelting and steel - smelting, cement and glass manufacture summarized account, the mineral oil is refined, hence, the chemical industry information education is contrastd against the ordinary chemistry information education, proper such representative means, be living, the means interpreted is in speech oridinarily wholly adoptd in the chemical industry information education, now most of tutors also is adopt the means interpreted in speech, cause that the chemical industry information education is insipid like this, student lack interest to chemical industry information study, but as a result of value the pair foundation, light practice, student may say the become a mere formality to chemical industry information study o since multi - med

    化工知識不僅包含了一般化學知識的內容,還帶有化學生產工藝程及典型設備的介紹,如接觸制硫酸,硝酸的工業製(氨氧化) ,合成氨工業,解食鹽水製造氯氣和燒堿,以及鍍、煉鋁、煉鐵和煉鋼,水泥和玻璃的生產簡介,石油的煉制等,因此,化工知識教學與一般化學知識教學相,應有其典型的方。在過去,化工知識的教學一般都採用口頭講解的方,現在大多數教師也是採用口頭講解的方,這樣使得化工知識的教學乏味,學生對化工知識的學習缺乏興趣,又因重視雙基,輕實踐,學生對化工知識的學習可以說於形式。由於多媒體的輔助教學的高效性、形象直觀性、新穎性和多樣性、人工模等特點,很適合化工知識的教學,應用多媒體教學化工知識可以解決目前存在的諸多問題,如:模型短缺、組織參觀活困難、教育經費不足、學生不易觀察等。
  8. The thesis is focus on the research of the optical - fiber differential current protection that can adapt to the rapidly changing power grid. it mainly contains the following four parts : ( 1 ) theoretical analysis of some operation criterions and some factors that influence the operation of the differential protection. ( 2 ) simulation of a 500kv transmission line using emtp software

    其主要內容是: ( 1 )對影響差保護靈敏度的各種因素和不同的保護判據進行了理論分析; ( 2 )用emtp模軟體對差判據進行了數據模,並用matlab對輸出結果進行了詳細的可視化分析; ( 3 )分析、較了國內外縱差保護的數據采樣同步方; ( 4 )對判據進行了實際的編程實現和模模
  9. Secondly, the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ), the paper calculates the maximum value of rectangle wires " short - circuit electrodynamic stress and gets the conditions of their having the maximum value. furthermore, some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires, the paper discusses some common calculation methods, and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals. the model is shown to be feasible

    其次,在路中短路計算的基礎上, ( 1 )進行母線的短路穩定校驗計算:採用模退火演算( sa演算)計算了矩形母線短路力的最大值及其取極值的條件,獲得了更為一般的結果,進而通過短路力的頻譜分析,給出了銅質母線的有關短路校驗計算數據; ( 2 )進行母線的短路熱穩定校驗計算:討論了熱穩定校校的幾種常用計算方,從導體或器的發熱機理出發,運用人工神經網路理論對母線的熱穩定問題進行計算,通過算例較,證明該方用於熱穩定計算是可行的。
  10. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗弧加熱式發機二維軸對稱亞跨超音速進行了數值模,所採用的方是矢通量分裂演算.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如源系統、點火系統、推進劑供給系統、弧加熱式發機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬氮工作更穩定
  11. To reduce the high starting current as asynchronous motors start up directly and eliminate the negative influence that brought about by switching of contact when it starts up with reduced - voltage means, two new methods based on power electronics technology for improving the starting characteristics of three - phase induction motor are presented. one is alternative voltage regulator, the other is alternative voltage chopper. the three - phase regulating circuit - asynchronous motors system and the three phase chopper circuit - asynchronous motors system are analyzed and simulated with matlab

    為解決上述問題,本文提出一種基於斬波方式的三相交異步機的軟起新方,論文對路的起特性、功率因數、諧波以及控制策略進行了研究,模結果表明這種基於斬波方式的三相交異步機的軟起基於三相交調壓的三相交異步機的軟起具優越性。
  12. Based on the analysis and comparison of the peak current - injection mode and average current mode control strategies, the method of designing average current control mode pi regulator is obtained. the digital simulation of the converter has been done with the help of matlab software. the good transient and stable character of the converter is attained while rated load

    在分析與較峰值模式與平均值模式控制策略的基礎上,給出平均值模式pi調節器的設計方,利用matlab軟體對變換器進行了數字模,證實了變換器在額定功率范圍內、靜態特性良好;過載情況下變換器具有自、保護主功率器件的特性。
分享友人