time lag system 中文意思是什麼

time lag system 解釋
時遲系統
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • lag : vi ( gg )1 延遲,逗留,落後;慢條斯理地走。2 未充分發展。3 【電學】滯后。4 慢慢地減少,變弱,鬆...
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. Aiming at the non - linear links such as time lag, inertia, dead time and saturation within the turbine regulating system, a fuzzy - immune - pid control system was designed based on a mutative scale chaos optimization method, the principium of immune feedback system and the theory of fuzzy control

    摘要針對汽輪機調速系統中存在的時滯、慣性、死區和飽和等非線性環節,採用模糊控制理論,結合免疫反饋機理,設計了基於變尺度混沌優化策略的模糊免疫pid控制系統。
  2. The boiler pulverizing system adopt mainly steel ball milling coal machine and mill storage pulverizing system, because the system has characteristics, such as, strong coupling, great time lag and slow time change. the quantity of storage coal in the ball milling coal machine ca n ' t measure exactly. manpower operation or use conventional regulate intrument ca n ' t get often perfect control effect

    鍋爐制粉系統大多採用鋼球磨煤機、中儲式制粉系統,由於該系統具有強耦合、大時滯、慢時變等特點,而且球磨機磨內存煤量難以準確測量,人工操作或用傳統的調節儀表往往難以達到理想的控制效果,普遍存在耗能高、自動控制困難等問題。
  3. Stabilization via dynamic output feedback for a class of undamped bilinear system with time - lag

    無阻尼時滯雙線性系統動態輸出反饋鎮定問題
  4. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。
  5. Owing to being in planned economic system for a long time, chinese readymade oil sell enterprises have specialized without competition in 30 years and its circulation system and operation type has lag behind. it is costly to circulate and short of competition consciousness, compared with foreign oil companies, there being obvious disparity

    中國石油系統的成品油銷售企業,由於長期處在計劃經濟體制下,三十年獨家經營,其流通體制和經營方式落後,流通費用高,競爭意識差,與國外石油公司相比,有明顯的差距。
  6. Training performance evaluation is a key tache of business training, it is important for corporation, staff, and entire training system. character of training performance is lag and indirect. after training, we can research the performance in a long time, calculate direct income and evaluation difficult are difficult

    培訓績效評估又是企業培訓體系的一個關鍵環節,不論是對企業組織,員工個人還是整個企業培訓系統都有著重要作用。培訓績效具有滯后性、間接性特點,培訓績效在培訓結束后的相當長一段時間內才能體現出來,直接收益很難計算,評估存在較大難度。
  7. But ever since many years, our country have carried out planned economy system, at the same time have being under the influence of the concept of " production first, living last ", and that the city housing design was restricted by duty level and housing ' s distributive quota, all this result in a serious lag of city housing development and a long time intense condition of the city resident ' s housing in our country

    住房問題一直是一個關乎國計民生的重要問題,歷來備受各國政府的重視。但是我國多年來實行計劃經濟體制,又受到「先生產後生活」觀念的影響,城市住宅的設計也受到職務級別以及住房分配的面積指標的種種限制,我國城市住房的發展嚴重滯后,城市居民的住房一直處于緊張的狀態。
  8. A new type hydraulic control system has been put forward in this thesis based upon analysis of working cases on the cone crushers. lt follows from research in this thesis that the new type hydraulic control system has some outstanding performances such as high automatic control level, reliability etc. and the new system has been successfully used in the auto - circling ultra - fine crusher developed by us in recently, too. and the time - lag problem on hydraulic control of the new system was studied in details

    對提高破碎設備的自控水平和增加整機的可靠性有顯著效果,同時又把該新型液壓系統有效地運用到我們所開發的一個項目? ?自循環超細粉碎機上,並對「時滯」問題做了研究。人工智慧技術近二十年來得到了很大發展,特別是專家系統,知識工程的發展更為迅速。
  9. A self optimizing control method based on the smith prediction control structure is presented for the control problem of time lag, non - fixed and nonlinear system. it combines the fuzzy control with artificial neural networks

    針對時滯不確定非線性系統的控制問題,討論了一種基於史密施預估補償控制結構的模糊控制與人工神經網路相結合的自優化控制方法。
  10. The research of control method and mechanism of time - lag system is always a popular topic in domestic and foreign process control circles. the scholars from all corners of the world not only employ themselves on some traditional programs such as modified pid control, sampling pi control smith predictor, dahlin algorithm etc, but also look for more efficient and more practical control methods

    工業生產過程中,時滯過程是比較難控的對象,對時滯工業過程式控制制方法和機理的研究一直是國內外過程式控制制界的熱門課題。各國學者除了採用一些常規控制方案,如改進型pid控制,采樣pi控制, smith預估控制,大林控制演算法等進行時滯過程的控制之外,都在尋找更有效、更實用的控制方法。
  11. Moreover, its interior pll circuit substitutes traditional pll. as a result, the presented design not only overcomes some shortcoming of traditional circuit such as tracking speed and accuracy, but also gets rid of response lag time and multi - phase noise. the system design is also important to improve our country ' s fault diagnosis standard

    而該系統內部鎖相電路代替了傳統方法中的pll ,因此,提出此系統設計不僅能夠克服基於傳統鎖相環電路的等轉角采樣方法跟蹤精度低、速度慢和使用不便等特點,還能克服電路中的由於不可避免的響應延遲時間所導致的不適合快速的列車運行及過多的相位噪聲問題,對于推動我國鐵路故障在線診斷技術的應用普及具有重要意義。
  12. This difference of foundation, however, is not completely from the difference of factors between two parts of china. it rather origins from the difference of " external environment " which formed in a long time, i. e. the middle and west china ' s lag i s mainly resulted from the plan - economy - system, the policy bias to the east china from 1978 and the weakness of its own " soft " environment

    但是,形成這一基礎的根源並非完全是資源稟賦上的差異,其真正的原因在於長期以來「外部環境」上的差別,即中西部地區各方面的落後不僅主要來自建國后的計劃經濟體制的影響,而且與改革開放后對東部的政策傾斜以及其自身在「軟」環境上的弱勢有關。
  13. For the first time this dissertation discusses the feasibility of data mining for the fields data of cfbb , analyses the preprocessing technology of sample data , introduces the application of clustering analysis , and finally completes the rule extraction by applying knowledge - based artificial neural network. considering distributed parameters , nonlinear , and long time lag system of cfbb , the theory of self - organizing neural fuzzy inference system is applied to the control system of cfbb , and enables control rules extraction on - line. the models of data mining and self - organizing ( fbnc - pnn controller ) are programmed , embedded to the control system of a 35 t / h cfbb in tsingtao , and finally improve the performance of cfbb effectively

    本文還針對流化床鍋爐運行的非線性嚴重、大滯后、不確定性大等特點,研究了基於數據挖掘優化的模糊神經自組織控制策略在循環流化床控制系統中的應用,使規則獲取可以在線進行;並編制了數據挖掘模塊優化自組織控制模塊,應用到青島35t / h循環流化床鍋爐的控制系統中,提高了鍋爐的運行水平和效率,取得了良好的效果。
  14. Predictive control, which has developed in recent years, can control time - lag system efficiently. its trackability is better, but its immunity is not satisfied

    本文在dmc pid串級控制的基礎上,提出了一種改進方法,即引入神經元pid控制。
  15. In order to decrease the over - adjusting in temperature and transaction time, a multi - model selector was provided to different scenarios of ascending temperature to make this system be simulated under simulink ' s circumstances. the result of simulation demonstrated that the effect of the system temperature control with model selector is superior to that of the system with pid controller or with pure lag compensation

    為了進一步降低滲氮爐到溫前的溫度超調量及過渡時間,又提出用一個模式控制器來進行多種升溫方式的選擇並在simulink環境中對帶有模式控制器的溫控系統進行了模擬實現,模擬結果表明帶模式控制器的滲氮爐溫控系統的控溫效果又要優于帶純滯后補償的pid控制系統。
  16. In this paper, we still regard time lag r as a parameter and deeply study the properties of the solution hi marchuk ' s model of immune system based on different method

    本文仍以時滯為參數,立足於不同的方法,更加深入地討論模型解的性質。
  17. Fuzzy control fit the control of nonlinear, time lag system. it especially fits the control of neutralization process. so fuzzy control is employed in the control system as a feed forward control

    模糊控制完全是在操作人員控制經驗的基礎上實現對系統的控制,無需建立數學模型,具有較強的魯棒性,適用於非線性、時變、時滯系統的控制,對中和過程的控制尤其適合。
  18. Through the analysis of advantages of several gmsk arithmetic and requirement of system processing, the base - band time lag demodulating algorithm based on quadrature demodulation and tms320vc5402 are selected for base - band processing

    通過分析gmsk幾種演算法的優越性以及系統對處理的需求,選擇基於正交解調的基帶時延檢波演算法以及tms320vc5402進行基帶處理。
  19. The nonlinear mathematical model for the inverter induction motor system is set up taking the effect of the dead time of the inverter into consideration. based on the phase - space reconstructed theory of the chaotic kinetics, the nonlinear time lag method is used to determine the way to chaos, the attractors are reconstructed from steady state to chaotic state, and the essential characteristics of chaos are clarified

    推導並建立了計及死區時間的逆變器-異步電動機系統數學模型,根據混沌動力學相空間重構理論,採用非線性系統時滯方法,研究系統通往混沌的途徑,重構系統穩態至混沌的吸引子,闡明系統混沌運動的基本特點。
  20. The paper analyzes the existing structural imbalance of institutional factors, such as economy system, economic development level, fir, property rights system, market system between financial innovation countries and china, finding structure of heterogeneous financial market and discrepancy of derivatives proportion would block diffusion of financial innovation, which may be the main cause of time lag effect in adoption of financial innovation diffusion in china

    本文通過分析我國與金融創新國在金融體系、經濟體制、經濟發展水平、金融相關率、產權制度、市場結構等因素上存在的結構性不均衡,發現異質性金融市場間的結構和金融工具比例的差異性對金融創新擴散可能產生的阻礙機制也是引發我國采納金融創新擴散中出現時滯現象的重要原因。
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