閉合式系統 的英文怎麼說

中文拼音 [bìgěshìxìtǒng]
閉合式系統 英文
closed system
  • 閉 : 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
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : 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 ...
  • 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. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。
  2. Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system, i have analyzed the principle of this hydraulic control system, and made its mathematics model ? in double - cylinder hydraulic system, it is necessary to process electric synchronous control in this hydraulic system, this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory, and clarifies the principle of applying that network to achieve synchronous controlo at the same time, the means of fuzzy configuration analysis is used for network training, the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible, furthermore, its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance, the basic project, structure, applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure, epigynous and hypogynous machine network, is applied to this system, in accord with the application of technique such as plc, integrated software etc, this paper introduces the methods and application to achieve the computerized scada system in the task, and analyzes the characteristic of this system, in this paper, the application of configuration in monitor and control system of vessel gate is discussedo in addition, in accord with the application of technique such as visual basicb

    雙缸船閘液壓啟閉控制系統要求解決同步控制問題，文中從智能控制理論角度出發，採用了一種改進的模糊神經網路，結合模糊聚類分析方法，闡述了應用該網路實現同步控制的原理。通過對比模擬實驗表明：應用模糊補經網路實現同步控制是可行的，而且它的同步控制效果要優于傳統的設置主從令缸控制方法，具有良好的魯棒性能。另外，本文提出了建立船閘控制系統的分散式控制系統，介紹了船閘液壓控制系統的計算機監控系統（ scada ）的方案、結構、應用和主要功能，採用雙層網路化結構：上位機網路和下位機網路，並結合plc通信網路技術和組態軟體等技術構成的計算機監控系統的實現方法，實際應用，分析了這種較新的系統模式在船閘液壓控制系統的計算機監控系統的功能實現中所具有的特點。
  3. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平，本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案，第一種方案將尺寸鏈中各組成環能取的極值組合起來，自動列方程組，求解每個組合情況下的封閉環尺寸，最後比較這些結果，得出封閉環的最大最小值；第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影，之後再分析各尺寸環投影分量的增減性，並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法，綜合組成環各投影分量的增減性，然後自動列出方程組，最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸；第三種方案以蒙特卡洛法為原理，在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數，模擬實際大批量生產中的零件尺寸分佈情況，以更經濟更合理的方式分析、計算封閉環尺寸。
  4. The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ). in order to improve system performances, design of digital control system based on dsp is presented. the proportional parameter and integral parameter can be obtained through the design

    整個系統採用變pi參數轉速調節（外環）與單斬電流滯環調節（內環）相結合的雙閉環控制方式，為了得到既快速又穩定的恆速系統，本文還給出了基於dsp的雙凸極永磁電機數字控制系統的設計方案，通過此設計方案可以得到轉速環的比例參數kp和積分參數ki的參考值。
  5. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中，首先通過建立系統的數學模型，分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性，包括它的環流特性、功率特性和電壓閉環調節特性；在此基礎上，又研究了幾種典型的並聯運行控制方式；然後，採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  6. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統，系統採用紅外線分析法測定光合速率，設置有開路和閉路兩種測定方式，可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞間隙co _ 2濃度等與植物光合作用相關的參數。
  7. Ciosed ioop. redundant servers. titanium encasement

    封閉式系統，冗餘服務器，鈦合金保險櫃
  8. Gas insulated switchgear ( gis ) is an important equipment in power system. it has more and more applications, and there is an increasing demand on the technical of gis on - line condition monitoring

    封閉式組合電器（ gis ）是電力系統中的重要設備，在電力系統中使用的越來越廣泛，電力部門對gis進行在線狀態監測的要求將不斷提高。
  9. 3. alloy guide roll in static balance, seled type oven, fast drying with less energy consuming, and auto constant tem perature control system

    3靜平衡鋁合金導輥，密閉式烘箱，節能快乾，自動恆溫控制系統
  10. 3. alloy guide roll in static balane, sealed type oven, fast drying with less energy consuming, and auto constant temperature control system

    3靜平平衡鋁合金導輥，密閉式烘箱，節能快乾，自動恆溫控制系統。
  11. I o control : input : induction system adopts two unattached close circuitry ; output : two unattached c port

    I o控制：輸入：感應系統採用兩個獨立的乾式接觸閉合線路
  12. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  13. Guided with the theories of plate tectonics and complex hydrocarbon system, based on the analysis of geological factors of hydrocarbon pools in the northern area of tarim basin, the author puts forward the geological background favorable for and the possible areas most suitable for the formation of complex traps. the identification and description of complex traps lead to the recognization of five large and four middle or small complex traps, by the means of the main techniques and methods include the detailed interpretation of seismic profiles, drilling, logging, map compiling based on the depth of sealing surface and on the superimposed relation of stratigraphic lithology over and beneath the unconformity surfaces, and the the use of the reversion of jason and 3d coherent data. at the same time, the major controlling factors of complex trap oil pool have been analyzed based on the case study of typical oil pools in the paper

    目前，復合圈閉勘探及研究工作在我國還比較薄弱，本文以板塊構造學、復式含油氣系統等理論為指導，通過對塔北地區石油地質特徵的整體解剖，從動態的角度，綜合分析和探索了塔北地區復合圈閉形成的地質背景及發育的有利區帶和領域，根據鉆、測井及地震剖面精細解釋成果，採用封閉面編圖、不整合面頂底板地層巖性疊置關系編圖方法和jason及三維相干數據體等地球物理反演技術，發現大型復合圈閉顯示2個，中小型復合圈閉4個，復查落實大型復合圈閉3個，並通過典型油氣藏解剖，分析了塔北地區復合圈閉成藏主控因素分析。
  14. In this paper, management entropy theory and its integrated evaluation system was introduced into enterprises ’ human resource and its management evaluation process, and we revealed the law of the decrease in the efficiency of human resources management systematically when enterprises ’ human resource and its management were under a closed system ; but in an open system, because of the exit of management dissipation and dissipation structure, human resource management system exchange materials, energy and information with the outside world constantly, the rule makes negative management entropy and management entropy showed shiftily in an enterprise

    本文將管理熵理論的企業綜合集成評價體系引入到企業人力資源及其管理的評價中，系統地揭示企業人力資源及其管理在封閉系統地狀態下，人力資源管理效率遞減的規律;而在開放系統中，由於管理耗散、耗散結構的存在，人力資源管理系統通過不斷與外界進行物質、能量和信息的交換過程，使得管理負熵和熵處于交替運動的狀態，人力資源及其管理效率呈現波浪式運動的特徵。
  15. Ddsy951 electronic single - phase advace - payment electric energy meter following as meter with a shielded and sealed construction, adops microelectromic technoligy to measure electricity and comes up to standard of gb t17215 - 1998 and gb t18460 - 2001. it collects handles and stores dataset with advanced monolithic processing system. the meter features in good abti - electromagnetism, low power loss, high precision, abstraction - of - electricity prevention, high overload and long service life

    Dtsy951電子式三相預付費液晶電能表下稱電表採用微電子技術計量電能，符合gb t17215 - 1998和gb t18460 - 2001標準的電表，採用全屏蔽全封閉結構，用先進的單片機處理系統進行數據的採集處理和保存，具有良好的抗電磁干擾低自耗節電高精度不需校表防竊表高過載長壽命的特點。
  16. Switch states of mc are obtained when the output voltage error function is minimized, thus the optimum combination of switch states is derived for the closed - loop control of mc

    根據最小誤差函數確定矩陣變換器開關模式，實現了系統閉環控制時開關狀態的優化組合。
  17. And with the pulse width modulation method, linearized the electrostatic force producer. it deeply analyzed the speciality of the electrostatic force closed - loop plan, and worked out the system parameters from automatic control theory and simulation

    深入分析了靜電式脈寬調制閉環方案的系統特性，結合自控原理理論和模擬分析對靜電式脈寬調制閉環系統參數進行設計計算。
  18. There must be a marine casualty happened every 4 days before 1984, the amount of marine casualty happened at this area corresponds to 1 / 7 amount of the whole changjiang " marine casualty, so mariners gave it a name as " mouth of tiger ". due to the specific geographical condition and the extremely representative vessel traffic management of changjiang yingongzhou channel section, many intelligent people began researching and practicing the vessel traffic management of this changjiang " s down - stream complicated channel section from 1980s, at dec 15th 1984 the authority at that time - changjiang yingongzhou channel section previously ; up to the last years of 1980s ministry management administration applied traffic control on changjiang yingongzhou channel section previously, up to the last years of 1980s ministry of communications assigned shanghai marine college, shanghai ship & shipping research institute and changjiang harbor superintendence administration to make feasibility demonstrate about modern vts of zhenjiang traffic control section ; in 1990 dasha radar station which is the first radar vts station with inner river was finished, groped a new way for applying modern radar traffic control of vessel traffic management ; in 1997 the vtms of changjiang " s down - stream from nanjing to liuhekou was completed with connecting net and came into operation formally, meanwhile the signals of dasha radar station were conveyed to vts center by light cable, and then united applying vessel traffic management upon the whole authorized area ; in jun 2001 jiangsu msa made changjiang yingongzhou channel section as the first experimental group of creating " civilized, safe, passable channel activity, updating dasha radar antenna and receive - transmitter building closed - circuit television monitor system, setting uo safety warning board, starting navigational route reformation, carrying out united construction

    1984以前這里平均每四天就發生一起海損事故，事故數占整個長江的1 7 ，被行船人稱為「老虎口」 。長江尹公洲航段緣其極為特殊的地理區位條件和極具代表性的船舶交通管理，從上個世紀八十年代初就有識之士開始了這個長江下游最復雜航段的船舶交通管理探索和實踐。 1984年11月15日當時的長江航政管理局在長江尹公洲水域率先施行交通管制；到八十年代末交通部委託上海海運學院、上海船舶研究所和長江港監局聯合開展鎮江交通管制段建立現代化交管系統的可行性論證； 1990年大沙雷達站? ?內河第一座雷達交管站建成，摸索實施現代化雷達交管的船舶交通管理新途徑； 1997年長江下游南京至瀏河口船舶交通管理系統建成聯網投入正式運行，同時將大沙交管雷達信號通過光纜傳輸至交管中心，統一實施全轄區船舶交通管理； 2001年6月江蘇海事局將長江尹公洲航段作為第一批創建「文明平安暢通航段」活動試點航段，更新大沙雷達天線和收發機，著手閉路工業電視監控系統建設，設立安全警示牌，啟動航路改革，開展聯合「共建」 。
  19. 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系統的綜合性能： （ 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統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定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定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， 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系統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。
  20. To realize the large stroke microfeed in this feed system, the microfeed system of closed - loop feedback control was adopted. the system is controlled by the 89c5 1 singlechip computer and combinely driven by the stepmotor and piezoelectric ceramic, the worktable ? position is measured by the raster position sensor

    為滿足進給系統能實現大行程的微量進給的要求，系統採用了由89c51單片機控制，由步進電機和壓電陶瓷復合驅動，並通過光柵位移傳感器進行位移檢測，從而形成閉環反饋控制的微量進給方式。
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