超穩定系統 的英文怎麼說

中文拼音 [chāowěndìngtǒng]
超穩定系統 英文
ultrastable system
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 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...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 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...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  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pid的控制具有響應快、調小及態誤差小等優點,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. The results suggested that the ph value, the type of monomers, the type, concentration and surface properties of inorganic nanoparticles, the type and concentration of emulsifier have a great influence on the encapsulating emulsion polymerization and the obtained latex stability. if selecting cationic emulsifier ( ctab ), low water soluble monomers ( such as ba, st ) and hydrophobic nano - silica, the inorganic nanoparticles would be encapsulated by polymers through ultrasonic irradiation successfully under alkalescent condition

    研究了ba 、甲基丙烯酸甲酯( mmal苯乙烯舊t )以及它們的共聚體聲輻照作用下包裹聚合的主要影響因素,結果表明: ph值、單體的種類、無機納米粒子的種類、濃度及表面性能、乳化劑的種類及濃度等對聲輻照包裹乳液聚合以及復合體性有較大的影響。
  3. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速( pwm )和位置環構成的中,速度環的參數隨負載特性;電網電壓;給工況而攝動是不容忽視的.作者通過辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保在參數攝動時的性和快速、無調、準確位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  4. Small amplitude approximation and dynamic stabilities of a strained superlattice

    小振幅近似與形變晶格的動力學
  5. Study on pressure stability of ultrahigh - pressure water jet system

    高壓水射流壓力性研究
  6. Multi - barretter driving patent technology, each lamp tube is an independent system and each barretter s load is no more than 65w abundant power stable

    1多鎮流器推動專利技術,每組燈管成為獨立的,單個鎮流器負荷不過65w ,形成大馬拉小車,功率富餘量大,質量
  7. In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant

    其次,本文以荷蘭buggenum電站的空分為原型,基於matlab建立了空分精餾塔的半圖形化動、靜態數學模型,並通過模擬,得出了一些有價值的結論:當空分的壓力變化時,氧氣產品濃度的響應時間常數為兩小時左右,說明空分是igcc電站最大延遲環節;而且雖然氧氣濃度最後會在igcc電站所要求的范圍之內,但在過渡過程中會出限制,這些都為igcc電站的安全運行及控制設計提供了有價值的信息。
  8. For all admissible uncertainties and possible controller gain variations, the desgined controller can guaranteed that the closed - loop system is asymptotically stable and the upper bound of cost function value is not more than a constant

    所設計的控制器對于所允許的不確性和控制器增益的可能變化,能保證閉環漸近的且性能指標上界不過某個常數。
  9. Adopting current feedback suspension control algorithm, the stable region of control parameters are narrow, overshoot is great and unable to make the closed - loop system bandwidth narrow

    目前採用的基於電流反饋的懸浮控制演算法,參數范圍小、調量大,且無法將閉環帶寬設計得較低。
  10. By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25

    通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地性與降水、地形等因子的相互關,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關進行了分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不過25為宜。
  11. In this article, starting from the biggest objective factor - the unipolar world order with the united sates standing out of all the other powers - and the biggest subjective factor - the traditional diplomatic thoughts of the united states, the author tries to analyze various disagreements and arguments about the united nations in america, especially between the whitehouse and the congress, so as to bring to light the reason why the united states ca n ' t have or implement a stable and clear - cut un policy. by trying to locate the united nations in the global hegemon strategy of the united states, the author put on exposure the essence of america ' s un policy : the united states is striving to lead and dominate the united nations and using it as a means to materialize its global hegemon dream

    本文將從美國主導的一多強單極格局這一最大的客觀因素和美國傳的外交思想這一最大的主觀因素出發,通過剖析美國國內,尤其是行政部門和立法部門關于聯合國的種種分歧和爭論,探究美國難以形成和執行鮮明的聯合國政策的原因,並通過分析美國的全球稱霸戰略與聯合國的關,進一步揭露冷戰后美國對聯合國政策的本質,即在美國主導的單極世界格局裡,美國在參與、支持和改革聯合國的同時,力圖謀求控制和領導聯合國,把它當成其稱霸世界的工具。
  12. Experimental result indicates that the kgw - xx radio altimeter can provide steady height data at ultra - low altitude, so it can be used as an altitude sensor of a tow target system, and the height data shows a bigger ladder error that affects the precision of the tow target system

    靜態模擬測高試驗結果表明:該高度表可在低空狀態下提供的高度數據,可以作為某型拖靶的高度傳感器;該高度表提供的高度數據存在著較大的階梯誤差,將影響拖靶的恆高精度。
  13. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站大型地下洞室群圍巖的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體的長期監控預報預警決策開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的疲勞可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和的三維靜動力隨機有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全性及溫控方案提供依據。
  14. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc的綜合性能: ( 1 )提出一種新型的速度磁鏈觀測器,新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳的積分器從而提高磁鏈觀測的精度,並且根據popov性理論推導出轉速的新型自適應收斂律; ( 2 )改善的低速運行性能,主要從提高低速時對子磁鏈的估計精度入手,提出了一種提高子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正子電阻參數; ( 3 )採用數字信號處理器dsp實現全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  15. The guaranteed cost control problem of robust stabilization and robust performance for uncertain systems which is described by 8 operator is discussed in this paper. the condition of existing guaranteed cost controller is analyzed and proved in which the method of linear matrix inequality ( lmi ) is used. a output feedback controller of the uncertain discrete time system described by 6 operator is designed, which guarantees the system is quadratic stabilization

    採用線性矩陣不等式( lmi )處理方法研究了delta運算元描述的不確離散的輸出反饋保成本控制問題,設計了輸出反饋控制器,使得閉環不確不僅是魯棒的,而且對所有允許的不確性,給二次型性能指標的閉環性能值不過某個確的上界。
  16. By using popov ' s hyperstatic theory, an adaptive fuzzy controller is proposed to control a class of singular - input singular - output nonlinear system

    對於一類常見的單輸入單輸出的非線性,利用性理論來設計自適應模糊控制控制器。
  17. Secondly, the performance of the acousto - optic steering system is deteriorated as a result of the coupling because of nonlinear of quadrant detector and the pointing error introduced by satellite platform vibration. for this problem, this paper introduces the model reference adaptive control system, and presents the perfect model. the model reference adaptive controller is designed to force the output of the acousto - optic steering system following the output of the perfect model to improve the system performance

    其次,針對聲光偏轉由於器件的非線性造成的耦合和平臺振動造成的指向誤差導致性能惡化問題,引入了模型參考自適應控制,提出了理想的模型,設計了模型參考自適應控制器,強迫性能惡化的聲光偏轉的輸出跟隨理想模型的輸出,使其性能改善,利用性理論確自適應參數以保證性。
  18. ( 5 ) using the method apd, it select a new drive signal s = x1 - cx3 to synchronize the response system, the theory analysis and numerical simulation results show that it can synchronize two hyperchaotic systems completely with the drive signal s = x1 - cx3, comparing with the method of selecting signal in literature [ 114 ], with the drive signal s = x1 - cx3, it can shortens the transient period of synchronization ( 6 ) using the outside standard signal to control 4d oscillator hyperchaotic system, basing on the stability theory, constructing the following lyapunov function it gets the controller as following : the theory analysis and numerical simulation result show : using the controller above, it can control the system to reach any desired stable point and period orbit

    ( 5 )採用apd方法,選取新的驅動信號s x1一ex來同步響應,理論分析和數值結果表明:採用本文的驅動信號可以使兩個混飩同步,和文獻1141相比,採用本文的驅動信號可使同步暫態過程更短。歷)利用外部標準參考信號個和o來控制振子混燉,基於性理論,通過構造l ) apunov函數, kgb ( xz4l4 ) 『 n ) l小t4 xzcko k0卜ro 』十個n xsn n一大0 『得到控制器表達式如下: u ; zr zr 。 ( 1 b ) 』 x 。
  19. The system based on pid control theory has characteristics of fast response speed and higher peak overshoot, and it also has a good performance of tracking, but it is lack of ability of disturbance rejection. because smvs control method is insensitive to the variations of the model parameters, nonlinear and exterior noises, the attitude stabilization system designed based on smvs has fast response speed, higher ability of disturbance rejection and has no peak overshoot, namely, the system is robust

    模擬結果表明,基於pid控制規律設計的具有響應速度快但調大的特點,的跟蹤性能較好,但抗干擾能力較差;滑模變結構控制方法因為其對模型參數的變化、非線性和外擾噪聲的不敏感性,設計的聲納基陣姿態調,響應速度快而且抗干擾能力強,具有很好的魯棒性。
  20. Based on the former researches, the speed estimation and rotor flux observation methods are studied using the theory of model reference adaptive system. considering the time variability of the stator and rotor parameters of induction motors, the methods make real - time identification of the parameters to retain the dynamic performance of the drive system

    在前人研究的基礎上,本文應用基於性理論的模型參考自適應,對無速度傳感器矢量控制的轉速估計和轉子磁鏈觀測進行研究,考慮電機轉子參數的時變性,對電機的一些轉子參數進行實時辨識,以保持的動態性能。
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