閉態電流 的英文怎麼說

中文拼音 [tàidiànliú]
閉態電流 英文
off-state current
  • : 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
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. The local network resoure management system is mainly engaged in the lacal network resoure management, at the same time and the network quality managerment as well, also including network line - pipe management, equipment management, configure management, topology management, attemper management and systimatic analysis, the main equipments include pdh, sdh, dwdn, idlc, pon, fwa, adsl, bits etc. by means of the main equipments " s resoure attemper and running state, we can finds out something abnornal in operation, from the whole point of local network, adjusting network is to be made to reach overal optimiztion. ensuring the network operating quality, realizing the the dispatching solution on the basis of network resource management and circuit closed - loop dispatching circulation

    本地網網路資源管理系統是側重於本地網網路資源的管理,同時兼顧網路質量管理。重點網路管線管理、設備管理、配置管理、拓撲管理、調度管理以及統計分析,主要設備包括pdh 、 sdh 、 dwdn 、 idlc 、 pon 、 fwa 、 adsl 、 bits等。通過主要設備的資源配備和運行狀,該系統發現處理運行異常,從本地網全局的角度調整網路達到整體優化,保證網路的運行質量,在網路資源管理的基礎上,實現調度方案的生成,以及路通道的環調度程。
  2. Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created

    神經網路控制是智能控制的重要方式之一,它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法( bp演算法) ,特別提及了能夠較好描述系統動性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次,應用工程方法分析設計了tf - 1350糖分離機的、轉速雙環直調速系統的控制器,作為引入神經網路控制的設計基礎,並建立了系統的模擬模型。
  3. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高
  4. The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method

    應用復合矢量概念,對比了靜止坐標系和同步旋轉坐標系pi調節器組成環系統的穩誤差,並用根軌跡法對轉子位移控制系統的校正環節進行了研究。
  5. Under operation system of dos and windows, control software is developed respectively. the wave of voltage and current as the ac contactors switch - on and switch - off is displayed dynamically, which make the equipment not only used as general electric life test instrument, but can apply test date for contactor study

    在控制軟體方面,分別完成dos平臺和windows平臺控制軟體設計,實現了交接觸器觸點合與斷開時刻壓、波形動顯示功能,使該裝置不僅能作為交接觸器常規壽命試驗裝置,還對接觸器觸點的研究提供必要的試驗數據。
  6. The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other

    可能的影響因素有:沿軋件縱橫向溫度變化、由溫度引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、機調節系統由不穩定向穩定過渡過程中軋輥轉速的變化(如咬鋼過程中的動速降后的回復階段) 、來料尺寸波動造成秒量不匹配等,整個模擬系統是各個因素相互影響關聯的一個環系統。
  7. The driver has the quiescent current under 1 a and also has soft - start circuitry to limit inrush current flow at power up. the chip can be operated normally in the temperature range of - 40 to 85 according to the simulation results. the brightness of the white leds can be controlled by using a dc voltage or a pwm signal applied to the pin with a few external components added

    系統採用0 . 5 mcmos工藝;輸入壓范圍為2 . 7v到5 . 5v ;在關下消耗小於1 a ;具有軟啟動功能,可減小啟動過程中的浪涌;具有短路及過熱保護功能,工作溫度范圍為- 40至85 ; led亮度控制可以通過外加dc或pwm壓信號和很少的外部元件實現。
  8. Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback

    根據熔化極co2焊機具有燃弧和短路兩種工作狀,且兩種狀下控制目標不同的特點,在控制系統中設計了雙環反饋:焊接壓反饋及焊接變化率di / dt反饋。
  9. When running in closed - loop system, the motor will be affect inevitably by load disturbance ? and disturbance due to variety of motor parameter, then the dynamic performance of closed - loop is affected

    無刷直環運行時,不可避免地要受到外部負載擾動和由於機本身參數變化而產生的干擾。因此,環控制系統的動性能就會受到影響。
  10. We introduce in detail the circuit current and voltage when the relay is switch - on and switch - off, and make the software in dos and windows. the equipment can dynamic shows the wave of the current and voltage when the relay is switch - on and switch - off

    在檢測方面,分別完成了dos和windows平臺控制軟體設計,實現了繼器觸點合與打開時的壓、波形的動顯示功能。
  11. 4. the hardware of electronic control system is developed. it includes display module whose tasks are man - machine interaction, displaying humidity and temperature, setting humidity, time, date and week, communicating with computer ; power device module which provides power of all modules and drives control equipments to accomplish intention of main control module and can provide zero crossing protection circuit, excess voltage and under voltage protection circuit and excess current protection circuit ; water sensor group, the responsibilities of which are testing the states of water and send the states to scm, then the scm control the water level after judging the states

    開發並實現了控系統的硬體部分,包括顯示模塊:主要負責人機交互,顯示濕度、溫度,修改濕度、時間、日期、星期,和主控模塊通訊;源驅動模塊:主要提供各個模塊的源,驅動被控設備,實現主控模塊的意圖,並能實現繼器的過零保護,過、過壓、欠壓保護;水位傳感器組:負責測知水位的狀,並把此狀送入單片機,單片機經過判斷、處理反過來控制水位,實現水位的環控制。
  12. Through small signal stability analysis and transient stability simulation in a typical hvdc system ( epri 36 ), the results show that some characters of closed - loop system on the basis of associated feedback control, such as angle stability, voltage accuracy and small signal stability, are better than those of avr + pss

    通過一個典型交直力系統( epri - 36系統)的小干擾穩定計算和暫模擬表明,關聯測量分散勵磁控制下的環系統在功角穩定性、壓調節精度以及小干擾穩定性方面均優于常規勵磁附加pss 。
  13. This thesis analyzes all kinds of throttle components, points out the advantage of adapting eev, and analyzes the start - up and the discharge characteristics of eev, and dynamic response of refrigeration systems when the opening degree of eev is changed, etc. eev is placed into a tumoff position while the unit starts up, and after being kept for a period of time it is placed into a bigger position, after some more time it is put into a basic control

    本文對比分析了冷藏箱製冷系統各種節元件的特點,指出子膨脹閥應用的優勢,同時分析了子膨脹閥的啟動特性、量特性以及系統在閥開度變化時的動響應。子膨脹閥在啟動時應先使子膨脹閥處于關位置,延時一段時間后,再將閥開至一個較大的位置,再延時一段時間后轉移到基本的控制。
  14. When the switch is closed, the variable pump has no oil supply, the current decline will keep the motor in empty waiting state, thus effectively save energy

    當水開關關時變量泵不供油,下降使機處在空載待機狀,這樣就有效達到節能。
  15. A system design of the circulation function therapeutic instrument of brain is presented in this paper. an integrated prototype is composed of at89c55 used as system controlling module and a / d, d / a converter and liquid crystal display device used as a terminal display module to realize the output of dynamic load and permanent flow through digital synthesis

    本文提出了一種設計智能腦治療儀的系統方案,以at89c55為核心控制模塊,輔以d / a 、 a / d成為全反饋環系統,使用液晶顯示器為終端顯示設備,實現數字合成動負載恆輸出。
  16. The paper analyzed the basic theory and mathematic model of three phase voltage pwm inverter and proposed one kind of control strategy based on the voltage - current double - loop. it used the exterior loop to control the voltage the eps outputted, and used the inner loop to control the current. simulation testified that the control method could improve the dynamic response character and interference rejection ability

    在建立三相壓型pwm逆變器在兩相同步旋轉坐標系下的數學模型的基礎上,提出了一種三相壓型pwm逆變器基於環的控制方法,利用壓外環實現對輸出壓的穩定控制,內環實現對輸出的控制,模擬證明該方法有效地改善了系統的動響應及抗干擾能力。
  17. To transform a voltage - control problem to a current - control problem, a current - controlled voltage - source inverter ( cc - vsl ) is considered, and a power flow controller based on ph control algoritltnm is designed to improve dynamics of control system and implement closed - loop control to active and reactive power. to promote adaptation and robust, a self - tuned p1 power controller based on fuzzy rule is presented

    論文還探討了採用跟蹤控制pwm壓型逆變器實現sssc的問題,將注入串聯壓控制問題轉換為逆變器的控制問題,以此建立了sssc控制系統的結構,並設計了基於pi控制演算法的sssc的潮控制器,模擬表明其改善了系統動特性,實現了對p和q的環控制。
  18. In order to conquer the shortcoming of the un - ideal dynamic with taking traditional pid control strategy, it uses fuzzy + pid control strategy to the close loop of the output current and voltage, the control way is realized with software program in the processor. the emulation results shows the fuzzy + pid control strategy which is used in the electroplating power has good dynamic performance, little overshoot and the good static precision

    針對傳統pid控制策略動性能不理想等缺陷,本文研究了壓模糊+ pid環控制系統,對源的輸出壓控制進行了控制演算法設計,模擬結果表明模糊+ pid控制系統具有超調量小、動響應快,穩誤差小的特點,優于傳統pid控制。
  19. The temperature coefficients of voltage reference and current reference circuits are 18ppm / and 36. 2ppm / respectively. the combination of current - limited comparator and current - limited statemachine reduces the noises generated by transformer. the leading edge circuit could avoid ldmos premature shutdown

    論文著重介紹了該單片開關路中部分子模塊:基準源路、極限比較器路、極限狀路、前沿路和調節路。
  20. The dissertation work, covering the methodology study, controller design, prototype implementation and experiment, is presented as following : based on the relations between the voltages and currents in accordance with the states of the rectifier topology, the switching function model was first established and then simulated by carefully designed matlab programs ; the controller ' s hardware was designed around the ti ' s f240 processor and corresponding software was also designed to integrate with the hardware to realize a dual - loop vsr control system

    論文主要內容包括演算法研究、控制器設計、裝置開發、樣機實驗。論文過程中,首先根據三相壓源型pwm整器各相之間的關系和橋路的工作狀建立開關模擬模型,並在模型基礎上利用matlab軟體對壓源型pwm整器及其控制系統進行模擬設計。其次為實現壓源型pwm整器雙環控制系統提供軟硬體設計方案。
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