穩定狀態速度 的英文怎麼說

中文拼音 [wěndìngzhuàngtài]
穩定狀態速度 英文
steady-state velocity
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 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...
  • : 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
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  • 狀態 : status; state; condition; state of affairs: (病的)危險狀態 critical condition; 戰爭狀態 state o...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability

    本文在火炮設計領域首次對火炮牽引列車系統進行動力學分析,重點研究了火炮牽引行駛下的路面不平對火炮的加響應,並從牽引車與火炮匹配組成火炮列車的系統角,研究了影響火炮行駛機動性的轉彎特性、制動性和操縱性。
  2. In the research, a set of simulation equipment is developed to examine the drivers " static and dynamic fatigue. recur to the apparatus, contrast and control experiment are made among different ages, workload intension and workload factors group. the endings summarize as following : ( 1 ) driving sensation fatigue investigation ( investigation of psychological and physiologic index and contrast investigation of fatigue ) ; continuous driving load and discrete driving load investigation of fatigue

    ? ?門)駕駛疲勞平衡性是通過在力檢測臺上描繪人體重心軌跡的方法,提出檢測駕駛員疲勞平衡指數,在不同下(傾斜15 30 『以及閉目等下)對不同負荷、不同年齡分別進行測試,建立駕駛疲勞客觀測試評價體系; n )經實驗室研究與現場調查,通過對駕駛疲勞與駕駛時間、駕駛等關系的研究,提出了不同年齡、不同條件下的最大連續安全駕駛時間標準,日駕駛時間標準,最大安全行車標準等。
  3. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9地震烈的加幅值作用下可能產生嚴重的液化;孔壓的增長曲線形與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形為上凸的曲線,且逐漸趨于
  4. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨、扁平、幾何形呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的性與承載能力兩個核心問題,引入結構優化理論中的簡易復合形優化方法,深入探討了滿足建築限界、通風條件、受力約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高公路雪峰山長大高公路隧道的結構斷面優化選型,得出了一系列較為合理的支護結構設計參數。
  5. The change rule between headway and space headway of three phases were analysis, and the statistic model of headway and space headway with following car speed were gain. the expectation space headway in different speed under special tr

    驗證了跟車存在期望車頭間距,實測數據顯示,期望車頭間距受車的影響,並獲得了特交通條件和道路條件下不同所對應的期望車頭間距。
  6. The year consume the type the opposite stability for new price of article for product model number for speed for price for electronics product competition still vigorously, but along with product renewing changing the on behalf quickly, passing rightly gradually losing the profit ability proceeding reduce pricing promote salesing but keeping price level, main current product to always keep on certainly of the level. the war of for this reason price did not stay around the digest the stock, blindness to capture the market s appearance top, whole profession competed the vigorous inside to still kept the good profitsed to create the abilitied in the priced, and creates good income is with the profits level

    年消費類電子產品的價格競爭依然激烈,但隨著產品更新換代的加快,通過對逐漸失去盈利能力的產品型號進行降價促銷而保持了新產品價格的相對,主流產品的價格水平始終保持在一的水平上。因此價格戰沒有停留在消化庫存盲目占領市場的上,整個行業在價格競爭激烈中依然保持了較好的利潤創造能力,創造了較好的收入和利潤水平。
  7. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不、波動大,電源的諧波含量過高,紋波系數過大,乃至電源設備損壞、輸出異常等情況出現,將會嚴重影響視頻信號的圖像效果,大大降低防盜系統的性和可靠性,我們採用快傅利葉變換原理,即fft變換,通過對市電、壓電源、 ups電源、開關電源等的電壓信號進行fft變換,從而得出信號中各次諧波的含量及信號畸變系數,並將其與正常工況下的參數進行對比,從而進一步診斷出壓電源、 ups電源、開關電源等設備的運行況;組成監控系統的設備長期處于工作,往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫過高,從而影響設備的正常運行,降低設備的使用壽命。
  8. But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic

    但在更多的場合中,構成計數過程的隨機變量未必相互獨立,而在各種相依關系中,負相協( na )和正相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計數過程的wald不等式和基本更新理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計數過程在一般吸引場下的精緻漸近性,對更新計數過程的收斂及極限進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平na列的部分和過程的弱收斂性,而乘積和是部分和的一般化,也是更一般的u統計量的特況,它與部分和有許多密切的聯系又有一些實質性的區別,因此,本文的第四章就將討論強平na列的乘積和過程的弱收斂性,因為計數過程也是一種部分和,也可以構成乘積和,這個結果為研究計數過程的弱收斂性作了一些準備。
  9. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    針對該模型具有參數及有界外部擾動不確性時提出了一種新的魯棒自適應控制策略,控制器由基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理參數,有效的消除了由參數及外部擾動所引起的不確性影響,保證系統達到漸近和參數估計一致有界。與現存的許多控制方法相比,該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界,不需測量關節加,而唯一需要了解的只是系統輸出的位置及
  10. Record its sailing time, distance while the vessel accelerate from stationary state to stable design route speed

    船自靜止的設計航行,記錄其航行時間、距離。
  11. In this dissertation, we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system, further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } ", hence we can give mixing conditions on them

    在這篇碩士學位論文中,我們主要藉助lyapunov第二方法的思想,討論了兩類脈沖微分系統:脈沖混合微分系統和具有依賴于脈沖的微分系統的性問題。不同於以往的研究,本文所找的lyapunov函數沿系統軌線的一階導數不再局限於常負或負,甚至不用其導數來限制其增長;不再局限於對離散或連續部分分別設置條件,而是對其離散和連續部分設置混合條件。
  12. Chapter 4 gives a full - scale study and analyse about ga and moga, presents the main idea of ga and moga, analyses a typical moga. the fuzzy controller parameters of an aero - engine model is optimized by nsga - ii in all possible operation points of two working condition. the result shows good dynamic and stable performance

    然後,使用先進多目標遺傳演算法nsga - ii對航空發動機模糊控制系統的參數進行了兩個飛行下所有可行工作點的優化選取,各個工作點的優化結果表明模型的控制系統響應快、超調量小、效果佳。
  13. The peak cpu seen during ramp - up increased at a faster rate than steady - state cpu, but again we saw no sharp increase or knee in the curve

    過渡的cpu峰值較之增長的要快,但是同樣沒有看到極劇的增長或曲線上出現「彎頭」 。
  14. In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body

    本文採用概化均質的理想彈塑性模型,利用三維有限元程序分析了萬梁高公路4個高陡邊坡開挖各階段的應力及應變分佈,並且編寫了fortran程序用於邊坡系數的計算,得出邊坡巖體應力及系數隨著開挖深的變化關系。並對邊坡系數的敏感性進行了分析,得出滑帶內聚力的變化對邊坡性至關重要,提出了改善滑帶巖土粘結提高抗剪能力的工程措施。
  15. Believes that gas pressure accumulator can absorb waterhammer pressure effectively, but it needs more time to achieve stable state. the consume - energy accumulator can not absorb one of opening valve effectively, but it can achieve stable state quickly. combination of the two style accumulators will be a nice choice

    認為氣壓式蓄能器能有效地吸收水擊波動,只是達到需要的時間更長;耗能蓄能器對吸收開閥水擊的作用不佳,但更快,將這兩種蓄能器的優點結合起來會是一個不錯的選擇。
  16. The main works are shown as the below : ( 1 ). langmuir monolayer of behenic acid and dppc surfactants behenic acid is a classical amphiphile, it has been applied to prepare functional lb films and quantum semiconducting particle films. therefore, it is of essential importance to study behenic acid monolayer at the air / aqueous interface ; at additional, in the different subphase ( h2o cdcl2 ) conditions behaviors of behenic acid monolayers have been studied ; moreover, we study dppc monolayer at the aqueous subphase, stability of dppc at the different surface pressures and speed rates

    研究內容如下: ( 1 )二十二酸、 dppc單分子膜成膜性能研究主要研究典型的小分子成膜化合物(二十二酸)在純水和金屬離子cd ~ ( 2 + )兩種亞相下分子聚集過程,詳細討論了膜的形成和相變過程,分析了純水和金屬離子cd ~ ( 2 + )兩種亞相情況對各下膜的靜彈性的影響;同時考查dppc單分子膜相變過程,同時研究了在不同壓力處、不同壓膜條件下對分子膜性的影響。
  17. This article emphatically discussed and analyzed following points : load command feed forward function can improve the rapid respond character of steam turbine generator ; lead of load command have advance control function on boiler main control and can highly improve the stability of main steam pressure ; the use of predict control and state space variable function can improve the quality of boiler steam temperature control effectively, control the steam temperature in the defined range and increase the boiler and turbine life and efficiency even if working state changed in a big range ; linear compensation can restrain the vibration of generator load in the condition of big loa d change

    本文重點討論、分析提出負荷指令前饋作用可以提高汽輪發電機快響應特性;負荷指令的導前功能對鍋爐主控有超前控製作用,能顯著提高主蒸汽壓力的性;採用預測及空間法能有效改進鍋爐蒸汽溫控製品質,在大幅工況變化下仍有效控制蒸汽溫在額范圍內,提高鍋爐、汽輪機壽命及其效率;汽輪發電機組的快響應性與汽輪發電機組負荷振蕩問題間的平衡關系,採用線性補償可以有效抑制在負荷變化梯較大情況下發電機負荷振蕩問題。
  18. The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force, and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method. secondly, the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented. the numerical results show the rule of the amplitude with the eccentricity of rotor, the length - to - diameter ratio, oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed

    其次,對降維后的低壓轉子?軸承系統的非線性動力學方程,計算了圓柱瓦軸承支撐的轉子系統的振動性在固下隨偏心距、軸承長徑比、潤滑油動力粘和軸承間隙比的變化規律,並分析了轉子前軸承軸頸的失與轉子偏心距、軸承長徑比、潤滑油動力粘和軸承間隙比之間的關系,同時利用floquet理論分析其運動和分岔類型。
  19. On the basis of time lag differential equation, the car following model were constructed. using average acceleration index, the car following behavior were classed three phases with dynamic classing methodology, start acceleration car following phase, stable car following phase, and deceleration brake phase

    文章以平均加為指標,利用動聚類的方法,把城市快道路交通流中的跟車行為劃分為三種進行討論,即起動加跟車跟車、減停車跟車
  20. In the chapter 4, the particular network topology and the four training algorithms are designed for the switching state selector in dtc by the neural network control technology, and the learning speed, stability, and weight convergence of the algorithms are discussed and compared

    第四章對直接轉矩控制中的開關選擇器用神經網路控制技,術設計了具體網路拓撲結構和四種演算法,並對幾種翼法的學習性、權收斂性進行了比較和研究。
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