矢橋 的英文怎麼說

中文拼音 [shǐqiáo]
矢橋 英文
yabase
  • 矢 : Ⅰ名詞1. （箭） arrow 2. （尿） excrement; dung; feces 3. （姓氏） a surname Ⅱ動詞（發誓） vow; swear
  • 橋 : 名詞1. （橋梁） bridge 2. （姓氏） a surname
  1. The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated

    本文應用有限元分析商業軟體ansys6 . 0 ，採用線彈性方法，通過對該橋的空間有限元模型進行穩定性分析，得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上，本文還通過有限元模型分析，就拱的矢跨比、吊桿（立柱）的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數，指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍，並對銅瓦門大橋提高橫向穩定性的措施的經濟合理性進行了分析。
  2. 3 ) the influences on the internal forces by some variable parameters such as the ratio of the rise to span and the stiffness ratio are compared. the optimal range of these parameters is pointed out and some advances are also given

    研究探討了矢跨比、拱梁剛度比等參數對預應力混凝土連續梁拱組合體系橋梁結構內力的影響，並得出合理的取值范圍，為設計人員選取結構參數提供參考。
  3. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級移相全橋軟開關周波變流型三相高頻鏈逆變器結構和控制的復雜性，提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用移相調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓，在滿足輸出電壓條件下使諧波最小。
  4. Through the finite element method, this paper compares some variable parameters such as the arch axis, the rise - span ratio and the ratio of spans, which influence the mechanical performances of open spandrel rigid - framed arch bridge. then it summarizes the mechanical properties of this bridge type and the optimal range of these parameters. the plexiglass model test validates the correctness of the finite element method used in this paper. the study will provide reference for the design of this new bridge type

    本文採用有限元方法對影響空腹式剛架拱橋受力性能的主要參數：拱軸線型、矢跨比及跨徑比進行了比較分析，總結了這種橋型的結構受力特點以及拱軸線型等參數的合理范圍，為這種新橋型的工程設計提供參考，並通過有機玻璃模型試驗驗證了有限元分析的正確性。
  5. A 6kw svm - based hysteresis current controlled three - phase full - bridge prototype circuit with the proposed controller has been built, and experimental results are also shown

    在完成的6kw電流滯環控制空間矢量調制（ hcc - svm ）的三相全橋逆變器中驗證了其效果，給出了試驗結果。
  6. This paper researches the four leg inverter based on svm modulation in detail

    本文重點研究基於空間矢量控制演算法的四橋臂逆變器。
  7. In this paper, the algorithm of three dimensions voltage space vector modulation applicable to converter with four legs is developed

    本文推導了適用於四橋臂變流器的三維空間矢量調制演算法。
  8. We discussed the three - phase four - legged inverter with a novel three - dimensional space vector modulation ( 3d - svm ) in this paper

    本文的研究對象是採用了三維空間矢量控制的三相四橋臂逆變器。
  9. There are many control strategies for three phase four leg inverter, such as spwm, hysteresis current control and space vector modulation

    三相四橋臂的控制策略主要有spwm控制，滯環電流控制，空間矢量控制等。
  10. We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating

    針對三相四線輸出的電源系統，對採用空間矢量控制的四橋臂逆變器進行了深入研究，對三維空間矢量調制方案進行了分析求解、模擬，並給出了適用於15kva變速恆頻電源變換器的解決方案，實現了變換器的三相四線輸出以及線性調壓。
  11. In connection with its self properties, we make an inquiry into the major parameters, such as ratio of height and span, equation of arch axis, geometry size of section and so on

    針對該橋自身的特點，對拱肋矢跨比，軸線方程，截面的幾何尺寸等主要技術參數做了探討。
  12. The research results indicate that it is the best plan for suspension rod to be constructed from main tower to side pier and for second dead load to be loaded before the bridge has been completed

    4 .研究了主纜矢跨比、加勁梁剛度、主塔剛度、主纜抗拉剛度等結構參數變化對平勝大橋靜力力學性能的影響。
  13. According to the characteristic of ann itself and the complexity of factors which influence the elevation, the paper analyses the influence aspects of ann. on the promise of bridge construction precision, the paper raise determining principle and method for neural network ' s import vector in bridge construction process

    根據神經網路自身的特點，以及橋梁立模標高影響因素的復雜性，對神經網路影響因素進行分析，在滿足橋梁施工精度的前提下，提出了在實橋施工過程中神經網路輸入矢量的確定原則和方法。
  14. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出，變換器電路採取四橋臂新型拓撲，其控制採取了三維空間矢量調制，實現了變換器的在線調壓及輸出中點的形成，具有良好的動靜態性能，且這種控制思想可以方便地在現有數字變換器平臺上實現。
  15. Circular arch is rational for big rise - span ratio, but each has his strong point for small rise - span ratio. ( 3 ) the common used rise - span ratios are 1 / 6 - 1 / 12. by the decrease of rise - span ratio, the internal forces are increasing linearly except of the moment of open spandrel beam

    （ 3 ）空腹式剛架拱橋的矢跨比一般為1 6 1 12 ，隨著矢跨比的減小，除了空腹段加勁梁的彎矩值線性減小外，其餘截面的內力值均為線性增大。
  16. In addition, the analysis and test for the entire stability and limited carrying capacity are completed and results show that pingsheng bridge is also safe enough. 4. the influence on the static performance for pingsheng bridge of structural parameters, such as rise - span ratio of main cable, stiffened girder rigidity, main tower rigidity and main cable rigidity, is studied

    對平勝大橋和與之具有相同結構參數的地錨式懸索橋模型進行了動力特性分析，並研究了主纜矢跨比、恆載集度、加勁梁剛度、主塔剛度、主纜抗拉剛度、吊索抗拉剛度等結構參數變化對兩類懸索橋動力特性的影響。
  17. With the help of graphical user interfaces ( gui ) of matlab software, the paper built ann, imports the sample vector, and trains the bridge construction ann, thus makes the forecast function in the bridge construction into reality

    藉助matalab圖形用戶界面，構建神經網路，完成對樣本矢量的輸入，以及對橋梁施工監控網路的訓練，進而實現了對實橋施工過程的預測功能。
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