穩態擾動 的英文怎麼說

中文拼音 [wěntàirǎodòng]
穩態擾動 英文
steady-state disturbance
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 態 : 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
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. Furthermore, with the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics, and the nonlinear stability of the nonparallel boundary layer is studied

    採用fourier級數的方法把擾動波分解為基本模態和高頻諧波模態，導出非平行非線性拋物化穩定性方程。
  3. With the fourier series technique, the disturbance is discomposed into predominant mode and high frequency harmonics. the nonlinear stability of three - dimensional disturbances for the blasius boundary layers is studied

    藉助fourier級數的方法將擾動波分解為基本模態和高頻模態，研究了三維擾動的非線性邊界層穩定性問題。
  4. Robots. var iabl e st ruc t ure cont rol can adapt ively ( leal i th the uncertaint i es of system pal - tljllot e1 ' s and i tlt el - 1 ' eres f1 - om ol ] " l s i ( le

    滑模變結構控制器對系統本身的時變性和系統外部的擾動有完全的自律性，但滑模控制也有些不足，主要是顫振的存在，從而影響了系統的穩態性能。
  5. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序，利用matlab作為模擬工具，模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應，對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究，提供了可靠的理論根據，有重要的現實意義。
  6. This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) ， computed the balance point ， tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) ， analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop

    在模擬模型上，完成了穩態計算、系統階躍擾動試驗、甩負荷試驗（未加調節系統）等測試，主要監控和分析了汽輪機動態特性中兩個重要參數：汽輪機第一飛升轉速、飛升時間。
  7. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  8. The heat coefficient changing of the heater and reheat ; c. the leakage test of the working substance ; d. the damage test for the heat pipes of the radiator, were taken

    分析了穩態參數，完成了：吸熱器熱負荷擾動試驗、吸熱器及回熱器換熱系數變化試驗、工質泄漏試驗、輻射器熱管損壞試驗等多個模擬實驗。
  9. The information extending method and curve fitting method, which deals with data in the complementary system of wams and scada, are discussed. secondly, traditional transient stability analysis method starts at the static

    傳統暫態穩定分析方法是從故障前穩定平衡點開始的，然而實際系統總是處在或大或小的擾動之中，因此，這種分析方法不能準確地表現系統真實的運行情況。
  10. Digital simulations reveal many valuable characteristics of the power system low frequency oscillation. the limit of conventional analysis and the appearance of new technique such as wams together with the advance of the nonlinear theory, require a new method for oscillation research of power grid, which can combine small and large disturbances analysis effectively

    論文指出，由於傳統小信號穩定分析方法的局限性，及動態監測設備和非線性理論等新技術與理論的迅速發展，有必要研究新的振蕩分析方法，以更加有效地揭示互聯系統小擾動、大擾動后的振蕩機理，並研究相應的控制策略。
  11. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  12. In this paper, based on the amplitude transport equation of fast varying field and the low frequency disturbance equation of electr on density, the evolutions of the density distribution of charged particles and the collapse of electric field have been calculated numerically in two dimensions with three field components under the condition of transverse wave

    所以本文採用了ftcs有限差分格式方法，利用二維三分量軸對稱，對空間飛行體與壓縮區內等離子體非穩態相互作用過程進行數值模擬，得到了電荷密度擾動與電場的變化情況。
  13. The nonlinear motion of the flight quasi - steady state is as a basic motion to be analyzed and simplified to formula the ideal state, output and control variables, and to produce its linear model

    以準穩態運動為基準，對其運動非線性分析，並適當簡化，生成準穩態運動的期望狀態、輸出、控制和小擾動線性化模型。
  14. In chapter four, two distinct experiments, the control of free vibration and the control of steady vibration, are carried out to explore the feasibility and effectiveness of passive vibration control with piezoelectric shunt damping system

    在壓電分流阻尼被動振動控制理論分析的基礎上，進行了懸臂梁在初始擾動下的瞬態振動響應控制和持續激勵下的穩態振動響應控制實驗，從而驗證了壓電分流技術應用於被動振動控制的可行性和有效性。
  15. A model of an 110kv three - phase network is established by matlab / simulink spsfirstly, and the disturbance of harmonic in power system is simulated by a type - ss1electric locomotive in this model. secondly, kinds of short faults are analyzed, thestable and transient voltage waves are obtained. then, a de - noising method is presented, which is based on wavelet packettransform and has better resolution in time and frequency domain

    首先利用matlab / simulink電力系統工具箱中的模塊建立了一個110kv的三相輸電網路模擬模型，並以韶山1型電力機車為原型，實現對電網中主要諧波源的模擬;然後，對該輸電網路中多種短路故障進行了分析，並給出在穩態擾動和暫態擾動情況下的電壓擾動信號波形。
  16. Combining gray theory and catastrophe theory, the gray energy catastrophe model is brought out according to the critical value of energy. the real example shows that the critical value is unique. the analytical process of rock mass fail shows that the process of fail of the rock mass is the process that dissipation structure is formed, and that self - organization of surrounding rock is built during the process

    在臨界狀態時，只要系統稍有擾動，則系統就會失穩；強擾動可以使失穩提前發生；將灰色理論和突變理論相結合，以能量突變為材料的破壞特徵，提出隧道巖體開挖的灰色能量突變模型，通過實例分析表明，該失穩判據具有唯一性；對巖體失穩的過程分析表明，巖體的失穩過程實際上是耗散結構的形成過程、是巖體的自組織過程，圍巖系統在演化過程中出現分叉和混沌現象。
  17. The discrete fourier transform algorithm can analyze time - domain ' s stationary disturbance signal effectively and confirm the signal ' s distributing in the frequency domain

    而離散傅立葉變換則可有效地對穩態擾動進行分析，得出時域穩態信號在頻域中的分佈情況。
  18. A new algorithm of power quality measurement is put forward

    給出了監測電能質量穩態和非穩態擾動的演算法。
  19. So it is effective to analyze and detect stationary and non - stationary disturbance by the integration of the above two methods

    因此兩者的結合可以有效地對電能質量穩態和非穩態擾動進行分析和檢測。
  20. Through this idea, we have developed a set of software of power quality measurement which is called pmvis using c + + builder6 and sql - server2000. the further improving of pmvis is ongoing

    本文基於這一思想，利用c + + builder6和sql - server2000工具開發了電氣測量監測軟體，限於條件目前尚未對非穩態擾動進行辨識，本系統的進一步完善目前正在進行。
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