暫定設計 的英文怎麼說

中文拼音 [zhàndìngshèjì]
暫定設計 英文
provisional design
  • 暫 : Ⅰ形容詞（時間短） short; momentary Ⅱ副詞（暫時） temporarily; for the moment; for the time being
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 設 : Ⅰ動詞1 （設立; 布置） set up; establish; found 2 （籌劃） work out : 設計陷害 plot a frame up; fr...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 暫定 : arranged for the time being; tentative; provisional
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  1. The necessity of 200km h mixed passenger and freight railway and interim design provisions

    客貨共線鐵路的必要性和設計暫行規定
  2. Interim provisions concerning chinese - foreign cooperation in the designing of engineering projects

    中外合作設計工程項目暫行規定
  3. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  4. Against a prototype which is being produced ， its three dimension end region entity model of stator is established ， and with the aim of simplifying calculation ， the theory of how to simplify entity model is studied ， then the theory is made use of ， and the end region entity model of stator is simplifi - ed ； meshing characteristics of three dimension entity model and shortcomin - gs of end region entity model of stator are studied ， then meshing method of three dimension end region entity model of powerformer stator is studied as well ， and the simplified entity model is meshed with this meshed model ， the distribution of end region magnetic field of stator is analyzed ， and the magnetic field energy and reactance of powerformer end region are calculated and compared with design value because the prototype is being produced ， in this paper ， stator core ， gap and eddy equipment are not taken into consideration ， and this has a little influence on the result ， but through analysis ， the result is proved to be good through the example calculation ， it is known that the method of this paper is useful and through theoretic analysis ， it is proved that end region

    針對一臺生產中的樣機，對其建立了定子端部三維實體模型，而且為了達到簡化計算的目的，研究了如何將其簡化的理論，並應用這些理論對樣機定子端部實體模型進行了簡化；研究了三維實體模型的剖分特點和定子端部實體模型存在的缺點，在此基礎之上，研究了對簡化的powerformer定子端部三維實體模型的剖分方法，並且對簡化的實體模型進行了剖分。應用剖分的三維實體模型，用有限元法分析了powerformer定子端部的磁場分佈，計算了端部區域的磁場儲能，並利用磁場儲能計算了powerformer定子端部漏抗，將計算值與設計值進行了比較、分析。由於樣機處在設計生產階段，本文暫時沒有考慮定子鐵心、氣隙和渦流器件對端部磁場的影響，這對分析結果有一定的影響，但是仍然得到較好結果。
  5. In order to ensure the quality of filling and the construction stability of the high - speed railway subgrade. " prescription of design of line, bridge, tunnel and station of high - speed railway " regulated that the filling used in the bottom of high - speed railway subgrade must be the type of a, b or improved soil

    即將修建的京滬高速鐵路對路基的填築質量要求很高，為了嚴格控制高速鐵路路基的變形，使未來的高速鐵路具有一個穩固的軌下基礎，適應列車高速運行的要求， 《京滬高速鐵路線橋隧站設計暫行規定》對高速鐵路的基床底層填料性能提出了具體要求，必須使用a 、 b組填料或改良土。
  6. Finaly, according to the the temporary criteria for the strength design and test accreditation about the passenger car that can run at 200km / h speed or upwards, intensities of the frame and swing boster are analyzed

    最後，按《 200km h及以上速度級鐵道車輛強度設計及試驗鑒定暫行規定》的要求對構架和擺枕的強度指標進行了校核。通過校核可以看出，構架和擺枕的強度滿足要求，而且還有一定的裕量。
  7. Finally, the problem of exponential filters for nonlinear time - delayed systems is considered. the filters designed by using the given approach can guarantee the stead - state and transient performance. by choosing suitable attenuation index, the perfect performances of filters can be attained

    四、研究了一類不確定非線性時滯系統的指數濾波器設計問題，提出了一種設計指數濾波器的方法，使用該方法設計的濾波器可以同時保證濾波器的穩態性能和暫態性能，通過選取濾波器的衰減指數，可以使得濾波器具有良好的衰減性能，模擬結果很好地驗證了所給出的方法。
  8. The new control point is planned to operate round - the - clock. we are already at the detailed design stage of the control point, which is targeted for completion in july 2006

    預期新管制站會提供24小時服務，而相關的配套設施已進入詳細設計階段，工程暫定於二零零六年七月完成。
  9. The new control point is planned to operate round - the - clock. we are already at the detailed design stage of the control point, which is targeted for completion in july, 2006

    預期新管制站會提供2 4小時服務，而相關的配套設施已進入詳細設計階段，工程暫定於二零零六年七月完成。
  10. The new control point is planned to operate round - the - clock. we are already at the detailed design stage of the control point, which is targeted for completion in july 2006. 16

    預期新管制站會提供2 4小時服務，而相關的配套設施已進入詳細設計階段，工程暫定於二零零六年七月完成。
  11. By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately

    論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點，提出了新的單端行波故障測距方法，它不僅能夠有效地識別出測距所用的反射波，而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響，在近區仍可以準確地進行測距；同時模擬阻波器的特徵，設計了低通數字濾波器，對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析，並利用本文提出的單端行波故障測距方法進行故障定位，結論是所提出的測距方法在實際應用中仍是有效的。
  12. By using high - speed data acquisitioning unit designed specially to capture travelling waves of transient current, using global positioning system ( gps ) to supply high precise time tagging for both ends, using wavelet transform theories to identify the head of the travelling waves, the fault locator can realize high precise double - ended travelling waves location

    該測距裝置採用專門設計的高速采樣單元捕獲暫態電流行波信號，用全球定位系統（ gps ）為線路兩端提供精度高達1 s的統一時標，用小波變換理論識別暫態電流行波波頭信息，從而可以實現高精度的雙端行波法測距（ 150m ） 。
  13. She has been exploring architecture through short - life condition of building in asian cities in numerous workshops, exhibitions and small projects worldwide. she has contributed to several magazines, among them are domus, a u, shinkenchiku and art4d. ? she is a co - author with stefano mirti of the books

    Choochuey致力於探索亞洲城市發展之短暫生命周期，經常于工作營，展覽與國際設計案中探討此議題，同時固定於domus ， a + u ， shinkenchiku and art4d等雜志中撰文。
  14. The digital simulation results show that the controller has good dynamic performance and can enhance the system transient stability obviously. based on the detailed circuit simulation model of hvdc, the tap changer auxiliary

    數字模擬結果表明，所設計的控制器具有良好動態品質，並能顯著改善系統的暫態穩定性。
  15. 5 ) this dissertation presents new predictive models for the transient stability and small signal stability based on support vector machine theory that can solve the problems such as finite samples. a new method of feature selection and sample condensation is proposed to build predictive model which improves the practicability of the model greatly

    5 ）論文首次利用基於小樣本技術的支持向量機理論，設計了新的暫態穩定、小擾動穩定特徵值預測模型，提出了新的適合預測模型構建的特徵選擇、數據采樣策略，提高了模型的實用性。
  16. According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability

    針對被動反饋線圈電磁暫態過程的復雜性，給出了求解線圈等效時間常數和電氣參數的方法，這些參數不僅對裝置的設計和電源系統的設計是重要的，而且為控制等離子體垂直位移不穩定性的實驗提供了依據。
  17. A novel strategy combined the fuzzy logic of linear multivariable feedback control to design a controller of statcom to meet the multi - objective demands of power systems is also proposed in this dissertation, and the controller is designed with this strategy, because of variational element, nonlinearity and multi - objective controlling demands of statcom, this paper designs the controller respectively aimed at continuous linear control for voltage maintaining, oscillation damping, improving the transient stability

    根據電力系統變參數、非線性以及對控制要求多目標的特點，本文針對維持系統節點電壓、阻尼系統振蕩、提高系統暫態穩定性能等不同控制目標分別設計了控制器，然後將模糊邏輯和多狀態線性反饋相結合，提出了一種能滿足電力系統多目標要求的控制方法，並用該控制方法為statcom設計了控制器。
  18. Fristly, according to the non - linear characteristics of twelve - phase rectifier, the thesis gives the calculation model for a short circuit in the subway traction power supply networks which provides the academic foundation for the design of the setting values and the simulation of protection. secondly, the thesis designs the dc feeder protection and control of subway, and gives the principle of setting accordingly, after it analysizes the characteristics of electric current under tow load and short circuit and considers severel factors. to validate the rationality of the design, the thesis simulates the transient electric current under two work conditions ( starting and passing the insulation ) ahd short circuit

    其次，本文在詳細分析地鐵牽引負荷電流和饋線短路故障電流特點的基礎上，考慮了直流保護系統設計應注意的幾個因素，對地鐵饋線保護與控制進行配置，給出了相應的保護整定原則，並針對某一地鐵供電系統在詳細分析了兩種工況（機車起動與過分段絕緣）的電流暫態過程，得到了電流計算的數字模型，結合前面提出的短路模型，進行了地鐵饋線保護的模擬，經模擬表明本文的保護設計是合理的。
  19. Obviously, this method is quite time - consuming and imprecise, saying nothing of economy. in order to overcome the difficulty, this paper presents a transient stability optimal design modal through integrating stability constraints into the standard opf formulation

    為此，本文通過在標準opf模型中加入暫態穩定約束，提出了一種全新的電力系統暫態穩定優化設計模型，為暫態穩定運行點的確定提供了嚴格的理論依據。
  20. This high speed digital test module is based on the vxi bus structure and specified on multi - channel and high speed aspects ; it is also capable of generating the stimulant signal and collecting the responded data ; meanwhile because the relationship between stimulation and response can be programmable, the module is highly intellective and it helps the testing system work more automatically ; what ' s more, with the good functions like real - time comparison, branch, single step, pause, trigger, it makes the testing more efficient as well

    本實驗室設計實現了高速數字測試模塊，該模塊是採用vxi總線結構的儀器，具備以下功能:多通道，高速度;同時具備產生激勵信號和採集響應數據的能力;能夠通過編程在激勵和響應之間建立起因果聯系，使整個測試過程體現出一定的智能性，大大提高測試系統的自動化程度;具有實時比較，實時跳轉，單步，暫停，觸發等功能，使測試過程更加快速和靈活。
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