plant loop 中文意思是什麼

plant loop 解釋
採用冗餘廠環
  • plant : n 1 植物,草木 (opp animal); 草本;〈商用語〉樹秧,苗木。2 莊稼,作物,收獲;(植物的)生育。3 ...
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  1. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  2. 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

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統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」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.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
  3. Shows a decision point, " validation successful ? ", two data format conversion tasks, local data repositories to store customer orders for later use in the process, and a process loop to select and forward orders to the correct manufacturing plant

    顯示了一個決策點, 「驗證成功? 「 ,兩個數據格式轉換任務,以供流程后來使用的本地數據倉庫來存儲客戶訂單,以及一個流程環來選擇並且將訂單提交給正確的生產廠商。
  4. This thesis mainly study the character information of the primary fault, which is at primary loop system of the marine nuclear power plant. the main content of the thesis is the collection of the basic fault ' s character information, then set up a database

    本文主要研究船用核動力裝置一迴路系統主要故障的特徵信息,論文的工作內容是對基本故障特徵信息進行收集整理和比較,然後將其創建成數據庫。
  5. In this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    引入雙恆等變換推導出系統及輔助系統的的d步預測模型,基於估計器的自校正控制器能將閉環極點配置在所希望的位置,它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  6. Abstract : in this paper, we derive predictive models of system and auxiliary system from double constant alterations respectively. the controller based on d - step ahead predictor can locate the closed loop poles at desired positions, whose parameters are adjusted by estimations of plant parameters that are separately estimated. an auxiliary estimator is developed to avoid ill - condition in solving diophantine equation. simulations show that these control systems have better dynamic responses under existence of measurable disturbance

    文摘:引入雙恆等變換推導出系統及輔助系統的的d步預測模型,基於估計器的自校正控制器能將閉環極點配置在所希望的位置,它的參數是由與其相互獨立的對象參數調節.提出使用輔助估計器克服丟番方程的病態問題.模擬表明在存在可測干擾的情況下該系統具有良好的動態性能
  7. According to the characteristics of the circulating water loop of waigaoqiao power plant during unit ' s start - up, the control model was established, and a software was adopted to carry out digital simulation for the model

    摘要針對外高橋電廠啟機階段給水循環迴路的特點建立控制模型,對建立的模型進行數字模擬。
  8. Then, as the substitute of the traditional pi controller, neuron adaptive psd controller is used to alternate the velocity loop of dc driver system, simulation results show that the super - shoot in new system is small and the performance in the way of anti - disturbance and anti - time - varying parameters are higher than the traditional pi controller and robustness of the dc driver system improved greatly, in addition, through analysis of the character of the neuron adaptive psd controller, the paper presents a neural network self - tuning control method for dc driver system in which the diagonal recurrent neural network is used to identify the plant to calculate the plant ' s sensitivity for psd controllers simulation results indicate that excellent static dynamic target was got with this control method and the performance of the system is improved greatly,

    然後,應用單神經元自適應psd控制器改造調速系統的轉速環,代替傳統pi調節方式的轉速控制器。模擬表明,新系統在超調、抗負載擾動和參數時變方面性能優于的傳統的pi控制方式,系統的魯棒性增強。在分析單神經元自適應psd控制器特性后,本文提出用對角遞歸神經網路辯識控制對象,為psd控制器提供靈敏度參數,從而構成一神經網路自校正控制方案。
  9. The innovative ideas in this paper are that robust h control theory based on conventional ip controller is applied to the high - precision feed of a single axis, and the controlled plant is composed of ip velocity loop and two - order model of linear motor. a constraint condition on y in the problem of h2 / h is deduced from the frequency criterion of riccati equation, which makes the repeated computation on r simple. considering the two - loops control problem, the h state feedback controller based on ip controller as the inner controller is applied to satisfy the velocity performance of the system, and a pi controller, the external controller, is used to satisfy the position performance

    本文的創新之處在於將傳統的ip速度控制器和直線電動機的二階模型作為一個廣義的被控對象,利用魯棒h _控制理論設計了一個h _狀態反饋控制器,以此解決高精度進給的控制問題,並在此基礎上研究了h _ 2 h _混合控制問題,結合h _代數riccati方程正定鎮定解存在的頻率判據,推出了一個控制器存在的約束條件,使以往須反復試探的,有了更進一步的約束范圍,簡化了計算。
  10. In the start stage, working points linear state space models for this turbofan aero - engine have been derived using the stone method. and the importance of proper scaling the plant to achieve the desired target - feedback - loop ( tfl ) is emphasized

    首先,利用斯通法計算得到發動機的若干狀態空間模型即系統矩陣,並且強調了合理地對參數進行歸一化對于尋找期望的目標反饋迴路的重要性。
  11. Lqg / ltr at the plant output proceeds in two steps : 1 ) design a kalman filter with desirable performance specifications ; 2 ) design a sequence of lq - regulators to make the singular values curve of the open - loop transfer function gk approximate the curve of tfl

    對象輸出端的設計步驟主要分為兩步: 1 )根據期望的性能指標設計一個卡爾曼濾波器,即得到目標反饋迴路; 2 )設計lo調節器使得系統開環傳遞函數gk的奇異值曲線無限逼近1 )中找到的目標反饋迴路的奇異值曲線。
  12. 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應控制.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應控制器能夠實現期望軌線的跟蹤,理論上證明了閉環系統的穩定性.連續攪拌釜式反應器模擬結果表明了該控制方案的有效性
  13. Control objective is to design a control law so that all signals in the closed - loop plant are bounded and the tracking error e ( t ) = y ( t ) - ym ( t ) is small enough, where ym = wm ( s ) r, where r rm is a pieccwise continuous uniformly bounded signal, and r l,

    控命目標是設計控命律使得閉環系統的所有信號都有界,同時使跟蹤誤』差叫) g … )一巾)盡可肯地且,這里w ;二叭i (小其中, er 』 」是分段連續的參考信號,且, , 7 el 。
  14. Concretely, adaptive inverse control is an open loop control toward dynamic characteristic of system by acting inverse of plant transfer function as series controller, so it avoids instability as a result of feedback. at the same time, because the control of dynamic characteristic of system and plant disturbance is to be treated separately and that has not influence mutually

    具體地說,自適應逆控制是用被控對象傳遞函數的逆作為串聯控制器來對系統的動態特性作開環控制,從而避免了因反饋而可能引起的不穩定問題;同時又能做到對系統動態特性的控制與對象擾動的控制分開處理而互不影響。
  15. Combined with debugging word of 2 600 mw units in second - phase project of datong power plant no. 2, the mechanism and loop of a new coordinated control system based on direct energy balance ( deb ) have been analysed

    摘要結合大同第二發電廠二期2 600mw機組的調試,對一種基於新的直接能量平衡協調控制機理及其控制迴路進行了分析。
  16. Much of the loop plant was installed decades ago, and over the years the loops have undergone changes that may or may not have been documented

    大多數線路設備都是幾十年前安裝的,這么多年過去了,線路發生了很多變化,這些變化可能沒有被記錄進去。
  17. The codes of the software were developed after the mathematical models of controlled objects and electro - hydraulic servo system are successfully constructed. through the closed loop simulation test ( based on parameters of an actual hydroelectric power plant ) of the simulator linked with the pcc regulator, the effectiveness of the simulator software and pcc regulator software is confirmed

    在建立調節對象和電液隨動系統的數學模型后完成模擬儀軟體的編制工作,並將模擬儀和微機調節器進行閉環對接,利用某真實電站的參數進行模擬試驗,對模擬儀軟體和微機調節器軟體進行測試,驗證其有效性。
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