比值調節器 的英文怎麼說

中文拼音 [zhídiàojié]
比值調節器 英文
ratio controller
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 節構詞成分。
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 比值 : specific value; ratio比值法 ratio method; 比值計 ratio meter; 比值檢波器 ratio detector; 比值控制...
  • 調節器 : regulator; adjuster; governor; controller; conditioner; actuator; phaser
  • 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
  1. Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace

    通過對pid 、模糊、單神經元等控制策略的分析較,將單神經元增益與權的自適應調、抗積分飽和等控制策略相結合,改進了單神經元控制演算法,可以有效抑制擾動,減少斷弧、短路等現象的發生,使系統的控制效果和魯棒性都得到增強,對電弧爐控制系統的設計也具有一定的應用參考價
  2. The pwm control of duty cycles acts as an electric transformer which regulates the amplitudes of equivalent input voltage and equivalent output voltage, so that both positive and negative amplitudes of equivalent input voltage are equal to those of equivalent output voltage

    件占空的pwm調,相當于在電路中加入一個電子變壓,使得輸入方波電源和輸出方波電源的正負電壓幅分別匹配。
  3. The investigation shows the performance gets quite insensitive to the prewhirl angle of igv as the stagger angle of diffuser vane is reduced to the minimum 7 ; the combination of these two stators enables to greatly improve the compressor efficiency over the entire operating rage, the maximum efficiency with the combined adjustment reaches 86. 0 %, higher than that in alone adjustment of igv or diffuser vanes by 2 %

    研究表明:擴壓進口安裝角最小為7時,壓縮機性能對進口導葉預旋角不敏感;採用不同的擴壓進口安裝角和不同進口導葉預旋角匹配調時,壓縮機所能達到的最高效率為86 . 0 % ,單獨調進口導葉預旋角或擴壓進口安裝角所能達到的效率高2 % 。
  4. Part that needs frequency control adopts control technology of computer and universal electromotor and controls the transducer according to the formula that is voltage / frequency = const, which can adjust the speed of electromotor and accordingly control the working condition of ventilator

    變頻調速部分採用計算機和通用電機控制技術的結合,按照電壓與頻率之等於常的方式對變頻進行控制,達到調電機轉速的目的,從而控制通風機的工況。
  5. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的例?積分?微分( pid )調模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣偏差大小進行的例?大步長積分?小步長積分、分層次例?積分演算法;不同條件下系統穩流性能的對、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。
  6. In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little

    此電路利用系統內部基準源產生的電流信號來對電容進行充放電,然後經過控制電路作用后,產生的輸出振蕩波形的上升時間和下降時間非常小,更接近理想矩形波形;通過調基準源電流信號或者電容大小,可調振蕩波形的頻率和占空,同時溫度和電壓的變化對振蕩輸出波形頻率穩定度的影響很小。
  7. With regard to the flow regulation of the best - effort traffic, the controllable traffic in high speed computer communication networks, the present paper proposes a novel control theoretic approach that designs a proportional - integrative ( pi ) controller based on multi - rate sampling for congestion controlling. based on the traffic model of a single node and on system stability criterion, it is shown that this pi controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion - controlled network is asymptotically stable without oscillation in terms of the buffer occupancy of the destionation node ; and the steady value of queue length is consistent with the specified threshold value

    本文從控制理論的角度出發,針對計算機高速網際網路中最大服務交通流即能控交通流的調問題提出了一種基於多速率采樣的具有例積分( pi )控制結構的擁塞控制理論和方法,在單個點的交通流的模型基礎上,運用控制理論中的系統穩定性分析方法,討論如何利用信終端點緩沖佔有量的例加積分的反饋形式來調信源點的能控交通流的輸入速率,從而使被控網路點的緩沖佔有量趨于穩定;同時使被控網路點的穩定隊列長度逼近指定的門限
  8. The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines

    永磁同步電機無位置傳感矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦生成、矢量坐標變換、例積分調、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。
  9. This paper presents an on - line adjusting method for the contrast degree of lcd with touch panel by using the digital potentiometer. the structure of the syatem is also presented

    摘要根據液晶顯示屏配用觸摸屏的情況,提出一種基於觸摸屏的用於液晶屏對調的數字電位電阻的在線確定方法,並給出軟硬體實現原理和運行結果。
  10. 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電阻,以此充分發揮電收塵的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感,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閥下限可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  11. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四通道計數模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子件來重新設計該計數模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理( dsp )取代原有的單片機作為協處理,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大得到隔離通道所需的較電平,該較電平能夠根據實際需求進行設置,能增強模塊的使用靈活性。
  12. In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed

    第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大電路,能較好地穩定電路的靜態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調的高性能r - mosfet - c 、運放結構切雪夫( chebyshev )和精確群時延貝塞爾( bessel )低通濾波
  13. Based on the analysis and comparison of the peak current - injection mode and average current mode control strategies, the method of designing average current control mode pi regulator is obtained. the digital simulation of the converter has been done with the help of matlab software. the good transient and stable character of the converter is attained while rated load

    在分析與較峰電流模式與平均電流模式控制策略的基礎上,給出平均電流模式pi調的設計方法,利用matlab軟體對變換進行了數字模擬,證實了變換在額定功率范圍內動、靜態特性良好;過載情況下變換具有自動限流、保護主功率件的特性。
  14. The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method

    開環階段根據實時工況參數對事先制取的噴氣占空map圖執行取操作;閉環階段根據氧傳感反饋信號通過增量逼近法或pi環計算輸出適合即時工況的噴氣占空;為解決低速振蕩現象,本文運用固定增量法,對系統進行低速振蕩微調
  15. This constant - pressure hydraulic power adopts plvc4 programmable logical controller for valve to control the electro - hydraulic proportional relief valve to adjust the pressure at the entrance of the servo valve and makes it change with the pressure change at the exit thus to keep the pressure difference constant

    此恆壓油源採用閥用可編程式控制制plvc4控制電液例溢流閥調伺服閥入口壓力,使其跟隨伺服閥出口壓力變化,達到入出口壓力差恆定的目的。
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