靜差 的英文怎麼說

中文拼音 [jìngchā]
靜差 英文
offset
  • 靜 : Ⅰ形容詞1. （安定不動; 平靜） still; calm; motionless 2. （沒有聲響; 清靜） silent; quiet Ⅱ名詞（姓氏） a surname
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  1. Finally, the controller working based on the combination of rbf neural networks and traditional pid control was applied to in aclinic kinetic machinery and lifting machinery of tower crane. the simulation of this controller was made using matlab, and the simulation results showed that the control system has some merits, such as quick response, little overshoot, well anti - jamming capacity, and little steady - state error, etc. both the dynamic property and static characteristic of this controller are better than traditional pid controller, and meet the tower crane

    應用matlab對塔機的變幅和起升機構的運動控制進行模擬，模擬結果表明基於rbf神經網路整定pid的控制系統具有響應快、超調小及穩態誤差小等優點，其動、靜態性能優于單一pid控制，從而提高了塔式起重機工作機構的工作性能。
  2. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態數學模型，並根據調高機構的調控特徵方程與采樣點間頂底板變化特徵方程的差異，給出了在其采樣區間內的指令式控制策略，其方法的規則條日少、簡單易運算、符合實際控制要求。
  3. Within the irregular are of coral the lagoon was still as a mountain lake-blue of all shades and shadowy green and purple.

    在珊瑚礁不規則的弧形圈裡，環礁湖平靜的象一個山潭--湖水呈現各種細微色差的藍色、墨綠色和紫色。
  4. Influence of pressure differential pressure 1. zero error

    靜壓影響差壓變送器
  5. In chapter 4, the principle drawing of the system is presented after adding a constant - pressure - drop valve. the operating principal of the valve is briefly introduced. the static mathematical model is built up and study is carried out by means of simulation under the circumstance of matlab, then the static working point is obtained

    對定差減壓閥作了簡要的介紹，根據系統工作原理圖建立靜態數學模型進行模擬研究，由模擬結果分析系統靜態工作特性，得到靜態工作點；然後，建立系統動態模型，對其動態特性進行非線性模擬研究，並就環境因素變化對系統工作特性的影響作了詳細分析。
  6. A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper. formulae of the restriction and prolongation in mgm computation is deduced, and a 3d program of mgm is accomplished, which can solve the field distributions in electron optical systems for various electrostatic lenses. the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively. comparing these two results in view of computational efficiency and computational accuracy, it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem. this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time

    本文將一種高效率的數值計算方法? ?多重網格法引入三維靜電場分佈的計算，多重網格法利用限制和延拓可迅速求得滿足精度要求的場分佈.研究了求解各種靜電透鏡電子光學系統三維場分佈的多重網格法程序，驗算了靜電同心球模型的三維場分佈.通過與目前在場計算中常用的有限差分法進行比較，可以看出多重網格法的計算效率和計算精度優于有限差分法.本文表明利用多重網格法計算三維場大大提高了場分佈的計算效率，縮短了計算時間，因此為后續計算打下了良好的基礎
  7. Over pumping of ground-waters produces a difference in hydrostatic head in favor of the seawater.

    過量抽取地下水時，產生利於海水的流體靜力學水位差。
  8. In lotic water, there were no significant difference in number of species and individuals between quantitative ( surber net ) and semi - quantitative ( kick sampling ) samples, although more species and individuals were collected by semi - quantitative than quantitative sampling. in lentic water, the significant difference was existed in the number of species ( z = - 2. 032, p < 0. 05 ), but it showed no significant difference in individuals between quantitative and semi - quantitative ( d - frame net ) samples. 2

    急流棲境中，半定量樣本（踢網樣）的個體數和種類數通常高於定量樣本（索伯網樣） ，但種類數無顯著差異；靜水-緩流棲境中，半定量樣本（ d形抄網樣）的個體數和種類數一般也高於定量樣本，且種類數有顯著差異（ z = - 2 . 032 ， p 0 . 05 ） 。
  9. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。
  10. The paper designed aerodynamic control system of pith and yaw channels and roll angle stabilization system, by using unsteady - state error follow - up control theory and state observation station theory in modern control theory

    本文使用現代控制理論中的無靜差跟蹤控制系統理論與狀態觀測器理論，設計了俯仰、偏航兩個通道的氣動力控制系統和滾轉角穩定系統。
  11. Objective : to observe the difference of therapeutic effects among stilamin combined with pituitrin or one of both alone to treat esophageal varicose vein hemorrhage ( evvh )

    目的：觀察施他寧聯合垂體后葉素與分別單用治療食管靜脈曲張破裂出血的療效差別。
  12. In this government of my temper, i remained near a year, lived a very sedate retired life.

    差不多有一年的工夫，我壓制著自己的性子，過著一種恬靜優悠的生活。
  13. The causes of hemorrhoids are similar to the causes of varicose veins

    導致痔瘡形成的原因跟靜脈曲脹的形成原因差不多。
  14. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻，總結了滑模變結構控制的發展歷史和特點，詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法；系統分析了變結構控制系統抖振產生的機理，並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法；針對傳統抑制和消除抖振方法的不足，改進了傳統方法，得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法；針對不確定性線性系統，在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振，提出了一種自適應模糊積分變結構控制方案（ afivsc ） ，利用模糊邏輯來柔化控制量中非線性不連續部分，採用自適應理論，根據系統不確定性大小在線調整模糊輸出量的隸屬函數，另外，鑒于模糊控制本質上是有靜差的，所以本文選擇了帶積分項的切換函數，由於積分項的存在使系統較正為無靜差系統。
  15. Too early switch can not present the advantage of fuzzy controller and even lead to integral saturation, while too late switch can not turn into pid control because of the static state error of fuzzy - ped control. at last, the choice principle of the threshold is analyzed and simulated

    當過早地切換會體現不出模糊控制的優點而使超調量增大，甚至造成積分飽和現象使系統失穩；當過遲切換，如果模糊控制器有較大的靜差，則有可能根本無法進入pid控制。
  16. In the fuzzy control method, a pi fuzzy control with nested control table is studied. experimental results show that the static error and the oscillation can be reduced

    在模糊控制研究中，提出採用pi型及模糊控製表嵌套控制方法，基本上消除了常規模糊控制存在的靜差和振蕩現象。
  17. The prominent character of the approach is that the flc can on - line search for the steady - state control value needed for the zero - error tracking, and optimize the fuzzy control table dynamically

    該方法的顯著特點是，能夠在線搜索無靜差跟蹤所需要的穩態控制量，同時動態優化模糊控制量表。
  18. So it not only achieves the real - time feedback and the regulation of speed but also eliminate the static error of speed due to the integral action of pi regulator when the system is in a steady state

    這樣不僅可以做到速度的實時反饋和調整，而且由於pi調節器的積分作用，可以使系統在穩態時做到速度無靜差。
  19. Finally, the simulations of regulation control and trace control are carried out respectively. the simulations illustrate that the fuzzy autopilot control system has good control effect and fast response and small static error, if the parameters are adjusted properly

    對于調節控制和跟蹤控制，自動舵的控制效果和系統響應進行了模擬研究，其結果表明，在初始均衡好的情形下，模糊控制器控制參數如果調整合適，模糊控制自動舵有較好的控制效果，響應較快，靜差比較小。
  20. So the paper combined the fuzzy logic control and recurrent neural network, and the recurrent fuzzy neural network ( rfnn ) controller is introduced into the speedsensorless vector control system. moreover, an online parameter training methodology, which is derived from the lyapunov stability theorem and gradient descent method is proposed to increase the learning capability of the rfnn. the rfnn controller has a better performance than the pi controller system ; the effectiveness of the proposed control scheme is verified by simulation results

    因此論文將模糊控制和具有優越動態性能的遞歸神經網路結合起來，取長補短，提出了一種遞歸模糊神經網路控制方法，利用神經網路來實現模糊推理，可動態的調整隸屬函數的形狀、位置以及神經網路遞歸權值，並對其與pi控制器的交流調速控制系統進行了模擬比較，模擬結果表明與普通的pi控制器相比較，遞歸模糊神經網路控制器有較好的動態性能，控制器的收斂速度快、靜差小，系統在遇到參數發生變化和外部不確定性問題時魯棒性、抗擾動性有明顯的提高。
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