非設計狀態 的英文怎麼說

中文拼音 [fēishèzhuàngtài]
非設計狀態 英文
off-design conditions
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 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...
  • : 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...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  • 狀態 : status; state; condition; state of affairs: (病的)危險狀態 critical condition; 戰爭狀態 state o...
  1. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者分開考慮,其算地基承載力值的公式是根據彈性地基中應力分佈及土的極限平衡理論為依據而得出的,求地基的沉降變形時則視土體為彈性,這些理論對地基及土的假與淺基礎地基的實際工作及天然土體的線性、彈塑性存在一定的偏差。
  2. The thesis then studies the emulation modes of routing algorithms with inaccurate network state information, proposes a simulation model based on events for routing algorithms with inaccurate network state information, and develops a routing simulation software r - ns that provides an effective environment for the research of network routing algorithms. randomized routing algorithms based on improved dijkstra and bellman - ford algorithms are proposed for the unicast routing model with inaccurate network state information

    本文研究了精確網路信息的路由演算法模擬模擬方法,提出了精確網路信息下基於事件的網路路由模擬模擬模型,並實現了路由模擬模擬軟體rns ,對網路路由演算法的研究提供了很好的支撐環境。
  3. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點,採用線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動閾值分割方法;對獲取的顆粒二值圖像進行形濾波和空洞填充,了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形特徵參數,對珍珠粉等粉體粒度進行了測量。
  4. In the part of orbit control, the main ideas in study is to define the nonlinear control system on a riemann manifold from the global viewpoint, and to build the intimate relation between the geometrical structure of state space and the state equation of nonlinear control system ; in the part of attitude control, the main ideas in study is to deduce mathematical model with good character based on global differential geometry ideas as well as li group and li algebra, moreover, to design corresponding control schemes

    在軌道控制部分,研究的主要思想是從整體化的觀點出發定義一種建立在riemann流形上的線性控制系統,將空間的幾何結構與控制系統的方程建立直接的聯系。在姿控制部分,研究的主要思想是以整體微分幾何方法為工具,以李群與李代數等數學理論為基礎,從數學角度建立具有良好性能的數學模型,並出相應的控制方法。
  5. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和定常下全方向推進器水動力性能算的數學模型,然後利用有限基本解法、定常渦格法和赫斯?史密斯方法對全方向推進器定常和定常下的數學模型進行了數值離散,接下來針對前面所的全方位推進器進行了數值預報。
  6. Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad

    然後,本文在考慮材料、幾何和三重線性的基礎上,對該連接形式進行了全面的算機模擬,主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接焊接腹板拼接的連接節點的對比,各種方法之間的對比,以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量,拼接點與梁端之間的距離,梁和柱的翼緣、腹板厚度,柱的軸力,接觸面的摩擦系數,翼緣和腹板拼接板的厚度等因素的影響。
  7. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時,基於電網平衡為約束條件的三相vsr將出現不正常運行,比如三相vsr交流電流中出現負序分量,使交流電流嚴重不對稱;直流電壓和交流電流中出現特徵諧波分量,使直流電壓和交流電流波形發生嚴重畸變;三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  8. Abstract : the design problem of reduced - order state observer for a class of multi - input multi - output ( mimo ) nonlinear time - varying systems is studied in this paper. a new design method of nonlinear reduced - order state observer is proposed, and the exponential convergence is proved for the proposed state observer. the observer has the characteristics of that the speed of convergence is adjustable. finally, an example is given to show that this approach is effective

    文摘:研究一類多輸入多輸出( mimo )線性時變系統的降維觀測器問題.提出一種線性降維觀測器方案,並從理論上證明了觀測誤差的指數收斂性.其中的降維觀測器具有收斂速度可調的特性.最後給出了數值算例,模擬結果表明了本文方法的有效性
  9. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論,在線性磁場算中:採用迭代法的情況下,在各迭代循環之間進行磁導率修正時,一個欠鬆弛迭代過程是必需的;對永磁體中的等效電流修正時可以不作欠鬆弛迭代;在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值,會使得插值求出的磁導率在該磁飽和值附近有一突變,這一突變對算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統中,由於微波管磁路比較復雜,作者認為磁體的工作點並不能很好地反映磁體的工作,而採用平均磁能積為衡量磁體工作的標準更加符合微波管磁系統的實際情況;要表示磁系統好壞的程度,則用磁能利用的效率為標準更好。
  10. Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted

    本文首先針對一類不確定線性系統,基於backstepping方法,利用監督控制,引入最優逼近誤差的自適應補償項,並利用型模糊邏輯系統逼近系統的未知部分,提出了一種魯棒自適應模糊控制器方案,運用李亞普諾夫第二方法,先證明了閉環模糊控制系統全有界,再證明了跟蹤誤差收斂到零。
  11. Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality

    實際飲用水處理系統由於存在復雜性、線性、時變性,本文根據臭氧生物活性炭水處理工藝存在復雜性、線性、時變性等特點,將模糊控制應用在水處理這一不確定的線性時變系統,針對不同水溫下臭氧利用率及水質的變化,一種基於系統過程的變結構的模糊控制器,以單片機作為主要控制硬體,按查表方式軟體,對進水閥門開度進行在線控制,調節臭氧氣體與進水的比例(臭氧流量及濃度不變) ,達到氣水比最優化。
  12. It is important for the design of air cooling steam turbine and the performance and stability of turbine to study unsteady flow mechanism in design and off - design state

    深入了解透平葉片在和高背壓條件下的定常流動機理,能更好空冷汽輪機以及提高葉輪機械的性能和穩定性。
  13. The flow of turbine in design and off - design state was simulated by the method of numerical simulation of 3 - d viscous flow, and the flow mechanism in design and off - design state was studed

    主要利用三維粘性定常數值模擬的方法對和高背壓條件下透平葉片內部的流動進行模擬,並分析了和高背壓條件下定常流動機理。
  14. By adopting the full state feedback approach and using the modeling aerodynamic interference as feedback nonlinearities, a new autopilot for uav close formation flight is designed

    採用全量反饋,同時將氣動干擾作為線性反饋,出一套適用於無人機近距離編隊飛行的自動駕駛儀。
  15. The results show rotor - stator interaction causes unsteady flow in design state, and the rotor - stator interaction in off - design state is weak, the unsteady phenomena is not obvious in off - design state

    結果表明,在動靜干涉作用是導致定常現象產生的主要原因;在高背壓條件下動靜干涉作用很弱,導致定常現象不明顯。
  16. Firstly, the performance is calculated at the design point of the ws - 9 aeroengine by using the numerical model established. secondly, after obtaining the performance coupling parameters, the steady - state performance of the non - designed points is caculated. third, respectively make the limitation of rotate speed of the high pressure rotor and low pressure rotor equal to corresponding parameters of designed point, after the data calculated compared with those of designed point and actual testing of the manufactory, the error is obtained

    首先,用所建立的發動機數學模型算了發動機在點的各項性能,第二,根據發動機各部件的耦合特性參數算得到發動機在下的各項穩性能,第三,分別定限制高壓轉子轉速和低壓轉子轉速逼近點條件下對應的參數,將算得到的性能數據與點性能進行了比較,並將點的算結果與生產試車過程實測的性能數據進行對比,給出了該穩模型算結果與實際試車數據的誤差。
  17. For applications that require continuous non - submerged operation, such as dry - pit submersible installations, it is recommended that the design engineer specify the motor type best suited for the intended service

    對于需要在潛水下進行連續運轉的應用領域,例如乾井潛水泵備,建議工程師所配置的電機必須要最適合這類應用場合。
  18. A very much different fluxes model was suggested for remote sensing estimation, which takes account of the effects of advections in vertically or horizontally anisothermal vegetations. the inter - exchange of heat can result in lower total sensible heat flux and higher total latent heat flux of the considered areas. this method is designed technically for the simulations of pixel, is a try of new generation effluxes model

    針對遙感基於像元算的特點,提出一種全新的通量算方法,模型的結構和思路專為遙感像元面上算的特點而,主要考慮由地表均勻和不連續性引起的像元內部熱量交換? ?局地微平流對顯熱和潛熱通量的影響,驗證表明,這種考慮平流的均勻模型可以較好地模擬地表均勻下的熱量通量。
  19. With a numerical code and a computing software, the aerodynamics characteristics of the shapes are discussed. the feature of the waverider configurations is proved by this work and the analysis of the off - design aerodynamics characteristics is also emphasized in this study. finally, an experimental model is developed for a wind tunnel experiment to demonstrating the numerical analysis

    採用了軟體和數值程序相結合的方式對初步的乘波構形流場進行數值分析,驗證了乘波外形的流場和氣動特性,討論了乘波構形氣動特性隨外形參數的變化,對外形在非設計狀態下的氣動特性進行了重點的討論,得到了氣動特性變化的一些基本規律。
  20. 2 - d, axisymmetric, and sidewall compression scramjet inlets flow fields are calculated and the performance of each inlet is analyzed. configurations of generic sidewall compression scramjet inlets are introduced and two kinds of spillage are introduced respectively

    然後對二維壓縮、軸對稱壓縮和側壓式進氣道的性能進行了算,分析了進氣道在非設計狀態的性能。
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