閉環反應 的英文怎麼說

中文拼音 [huánfǎnyīng]
閉環反應 英文
ring-closing reaction
  • : Ⅰ動詞1. (關; 合) close; shut 2. (堵塞不通) block up; obstruct; stop up Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  1. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向射鏡的驅動電機,並採用感同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙控制,以實現指向射鏡轉動速度的平穩性和位置的精確性。
  2. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效、燒孔效及模競爭、鎖效激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  3. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶速度,論證了子母式穿甲彈對付爆炸式裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內厚度與子彈飛離母彈速度的關系、子彈長度與子彈飛離母彈速度的關系、子彈長度與火藥燃燒率的關系、子彈長度與母彈彈頭部發射孔內最大壓力的關系以及子彈的長度與子彈發射所需時間的關系,設計出了合理的母彈彈頭部結構和子彈的結構,並利用ansys有限元分析軟體對母彈彈頭部的強度進行了校核。
  4. This paper also use non - linear feedback decoupling theory to decouple die vector - control close - loop system into linear decoupling of rotor speed and rotor flux linkage subsystems. the speed regulator and flux linkage regulator of these two linear subsystems can be designed with classical linear theory

    本文同時還用非線性饋解耦理論將矢量控制的系統分解為線性化的轉速子系統和轉子磁鏈子系統,兩個子系統中的速度調節器和磁鏈調節器可按線性理論設計。
  5. When considering this response it is convenient to look at closed-loop and open-loop control situations separately.

    在研究這一時,分別觀察和開操縱情況是方便的。
  6. In this part, for a more general kind of systems, we give the design method of a robust adaptive controller based on backstepping technique, and analyxe stability and performance of the closed - loop system

    該部分對于更一般的一類系統,給出了一種基於推技術的魯棒自適控制器的設計方法,分析了系統的穩定性和性能。
  7. The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero

    該方案利用參考模型作為系統的饋信號來產生、調節模糊控制器的規則庫,並通過引入最優逼近誤差的自適補償項來消除建模誤差的影響,不但能保證系統穩定,而且可使跟蹤誤差收斂到零。
  8. The main research contents are as follows. 1 ) the characteristics of semi - process industry based on make - to - order are studied, which means that the purchase tune is long while the due date is short, the working procedures are successive and discontinuous. then the general structure of production system based on make - to - order mode in semi - process industry is put forward, which includes estimate of the dynamic finite resources, evaluation of the order based on rough capability balance, material requirement planning, production plan, order tracing, collection and feedback of the local data etc. they all together form an integrated and closed loop system as a whole

    研究的內容主要包括: 1 )研究了半流程製造業面向訂單生產模式具有的采購期長、交貨期短和工序連續但工序間可間斷的特點,並基於此提出了適半流程製造業面向訂單生產的系統總體結構,其主要內容包括動態有限資源能力評價、基於初能力平衡的訂單評估、物料需求計劃和生產作業計劃、以及訂單跟蹤和現場數據的採集和饋等,它們在總體上形成了一個集成的和的系統。
  9. I explain according to installation when installation the requirement changed computer name to be english name, also shut gas defence software, other leader is installed, operating system environment asks to also be accorded with, the system when why clicking installation reacts

    我在安裝時按照安裝說明要求更改了計算機名為英文名,也關了防毒軟體,其他主機設置,操作系統境要求也符合,為什麼點擊安裝時系統
  10. The system emphasized on attempting to applying fuzzy in the automatic - controlling technology of greenhouse environmental parameters. fuzzy controll is based on the theory of fuzzy mathematics, fuzzy language, fuzzy logical, and adopt digital controlling from which use of computer technology and has feedback and structure

    本系統研究的重點是模糊控制演算法在溫室境參數自動控制系統中的嘗試用。模糊控制是以模糊數學、模糊語言形式的知識表示和模糊邏輯的規則推理為理論基礎,採用計算機技術構成的具有結構的數學控制形式。
  11. By means of linear matrix inequalities, a sufficient con dition is given for uncertain discrete singular system to be generalized quadratically stable and strictly passive, based on which, a sufficient condition is given for the existence of a state feedback controller, such that the resulting closed - loop system is both generalized quadratically stable and strictly passive for all the admissible uncertainties, all conclusions carry with them corresponding examples to prove the effectiveness, and the corresponding controllers are also presented

    利用線性矩陣不等式,給出不確定離散廣義系統廣義二次穩定且嚴格無源的充分條件,並在此基礎上給出存在狀態饋控制器,使得系統廣義二次穩定且嚴格無源的充分條件。每一節均給出數值算例來說明結論的有效性,同時給出相的控制器構造。
  12. After analyzing compensation conditions for 3 - axis stabilization to overcome disturbance from ship surge, sway and yaw, two control strategies - feed - forward compensation and closed - loop feedback compensation - are given. these two strategies are applied to antenna stabilized tracking system with good performance. intelligent pid is used in closed - loop feedback compensation to get high tracking precision and rapid response

    重點分析了天線穩定控制系統的三軸補償條件,提出了穩定系統抑止載體擾動的控制策略:對于橫滾和俯仰系統採用前饋補償的控制策略;對于方位系統,在以步進電機為驅動元件的特定條件下,研究了變控制周期的饋策略,同時成功將智能pid演算法用於實際系統,提高了系統的跟蹤精度和響快速性。
  13. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該自控系統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場合;通過溫控表自動跟蹤增濕塔出口溫度,誤差達到3以內;通過自動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了饋迴路,達到了響速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該自控系統具有多套控制參數,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  14. As we know, the problem of an infinite - dimensional linear system is to decide a feedback control, such that the c _ ( 0 ) - semigroup corresponding to the closed - loop system is stable

    無限維線性系統的穩定化問題就是選擇饋控制,使得系統相的c _ 0 -半群具有穩定性。
  15. Abstract : in this paper a new adaptive neural network controller is presented for a class of continuous - time nonlinear time delay systems subject to modeling uncertainty. the neural network model requires a priori knowledge about plant dynamics to provide prediction models for time delay systems. an adaptive controller based on neural networks was developed to produce the desired tracking performance in uncertain conditions. stability of the closed - loop system is proved by the lyapunov method. the effectiveness of the proposed scheme was demonstrated through its application to the control of a continuous stirred tank reactor

    文摘:針對模型不確定性的連續時間時滯系統,提出了一種新的神經網路自適控制.系統的辨識模型是由神經網路和系統的已知信息組合構成,在此基礎上,建立時滯系統的預測模型.基於神經網路預測模型的自適控制器能夠實現期望軌線的跟蹤,理論上證明了系統的穩定性.連續攪拌釜式器模擬結果表明了該控制方案的有效性
  16. Electron transfer mediators are involved to circumvent these disadvantages. the mediators include ferrocene and its derivatives, potassium hexacyanoferrate and tetrathiafulvalene. water - soluble dyes such as methylene blue, neutral red, toluidine blue and methyl viologen have also been used as mediators in solution because of their high electron transfer efficiency and low cost

    近年來,第二代電流型酶傳感器以一些電子媒介體如二茂鐵及其衍生物等代替氧,加強了酶與電極間的直接電子傳輸,起到了酶與電極間的電子開器作用,加速了電極,降低了境干擾,克服了第一代電流型傳感器的上述缺點。
  17. The orpadtc model can always match the real process and the upldt output, which can be used as the feed back signal of the control system, can be predicted. the orpadtc completely solves the problems, sensitive to the error of the model parameters and the low power against disturbance, which exist in the traditional smith c ompensator

    這樣無論實際受控過程的參數怎樣變化,只要不影響系統的穩定性,對象參考參數自適時滯補償器的模型總能和實際過程趨於一致,並提前獲得大時滯不確定過程實際輸出的預測值,以便在構成控制系統時替代實際輸出作為饋信號。
  18. Firstly, for the intelligent structure ' s active bars, a constant output velocity feedback control law is dissipation energy due to control action and the optimal mathematical model with the reliability constraints on dynamic stress and displacement was built

    以直接輸出速度饋作為控制律,基於最大耗散能準則,建立了以主動桿配置位置和控制系統增益為設計變量,具有動力響力響和位移響)可靠性約束的壓電智能桁架結構主動桿優化配置的數學模型。
  19. This article presents two control methods, which have already been realized in our micromanipulation system after we investigate all kinds of international advanced control technologies on micromanipulation, and combines our micromanipulation system characteristics. one method is that using joysticks controls the displacement in three - dimensional way based on the visual feedback, the other is that using pid control theory realizes the automatic displacement based on the raster sensors

    本文在研究國際上用在微操作系統各種先進控制技術的基礎上,結合我們的微操作系統的自身特點,利用操縱桿實現基於視覺饋的微操作控制和利用光柵傳感器組成系統實現基於pid控制原理自動定位。
  20. For better performance in the circumstance of different hand - drawn shape input, an adaptive hmm ( ahmm ) structure is presented which combines single - band integral algorithm and an adaptive compression ratio control technique into one closed loop feedback recognition system, the ahmm can adaptively compress feature vectors according to geometry feature of input graphics, also can it adaptively adjust the feature compression ratio by feedback, this recognition structure achieve good performance in recognition

    為了使識別系統能夠更好的適輸入圖形的變化,本文提出了一種ahmm識別結構,利用基於單邊積分的特徵壓縮演算法和自適壓縮率調整技術構造了一種饋識別系統,既能夠根據圖形的幾何特徵自適的壓縮特徵向量,又能夠通過饋調整特徵向量壓縮率,達到了很好的識別效果。
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