constant speed control system 中文意思是什麼

constant speed control system 解釋
定速控制方式
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • 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. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷,利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法,提出了在液壓系統中加一個定差減壓閥的新思路,較好地解決了液壓伺服系統存在的上述問題。
  2. The product is suitable for double straight line smoothing of grinding flat glass. coarse grinding, fine grinding, and polishing can be done at one time. adopt plc control system, which sets processing parameters via interface, and finishes processing at one time, ti has stable bottom structureprecise and smooth transmission system, the transmission belt drive adopts strong power and tran - sfrequency motor to control speed, constant power, constant rule, output and advanced equipment to control, completed product has high polishing level, which is an ideal option assistant processed equipment of processing delicacy glass and furniture glass factory

    本產品適用於磨削平板玻璃是雙直線平邊,粗磨精磨拋光一次完成採用plc控制系統通過界面設定加工參數次完成加工,具有穩重扎實的底座結構,精確流暢的傳動系繞,傳送皮帶驅動採用功率變頻電機調速控制,恆功率恆扭矩輸出和高配置的控製成品拋光亮度高是加工精品玻璃和傢具玻璃廠家使用的最佳輔助加工設備。
  3. In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current

    本文首先比較了幾種變速恆頻方案,從中選擇了雙饋式變速恆頻方案;它運用雙饋電機的工作原理,允許發電機轉速變化,而在電機轉子側接入低頻勵磁電流,通過控制該電流的頻率,保證雙饋電機定子輸出的頻率恆定;再結合矢量控制技術,通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量,相應獨立地控制發電機輸出的有功功率和無功功率。
  4. Mainly discussed the use of plc in wrapper, constant tensioned winding under variable frequency speed regulation, the use of servo system in accurate location, and also discussed the mathematic model of the auto control system of the wrapper

    摘要介紹了plc在分條整經機中的應用,變頻調速下的恆張力控制,伺服系統的精確定位,並且討論了整經機自動控制的數學模型。
  5. The paper studies the pitch - regulated structure and stand - alone control system about mw wind turbine group. the background of the paper is " mw variable - speed constant - frequency wind turbine group ( no. 2001aa512022 ) ", which is supported by national 863 plan

    本文以國家863計劃《兆瓦級變速恆頻風電機組》 (課題編號: 2001aa512022 )為背景,主要研究了兆瓦級風電機組的變槳距機構及其單機控制系統。
  6. The characteristics of wind turbine generators as well as features of the fixed pitch wind turbine generator and the variable pitch wind turbine generator are presented, emphasizing on the variable speed constant frequency ( vscf ) generating system based on doubly - fed generators and on the control system for pitch angles

    在簡述風力機特性的基礎上,介紹了定槳距和變槳距發電機組的特點,重點分析了基於雙饋發電機的變速恆頻發電系統及槳葉節距角控制系統。
  7. The dissertation of " the reeling & rolling & dyeing machine. which keeping constant speed, tention, and field bus ( profibus ) control system " is devoted to solve these problems

    針對這一情況提出了本課題:卷軋染機恆張力卷繞及現場總線( profibus )控制系統,本課題為國家科委立項項目。
  8. This paper studies and designs a variable frequency speed regulation system applied to induction motors by means of votating speed difference frequency fuzzy control. the general scheme of the system is presented. circuits and software are designed for the major parts of the system such as constant magnetic linkage control frequency converter and votating speed difference frequency fuzzy controller

    本文對異步電動機轉差頻率模糊控制變頻調速系統進行了較為詳細的研究和設計,給出了系統的總體方案。對于系統的主要組成部分? ?恆磁鏈控制變頻器和轉差頻率模糊控制器進行了設計。
  9. 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比電阻,以此充分發揮電收塵器的作用;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器,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節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  10. In this paper generic model control is applied to the design of controlling law of the nonlinear power propulsion system, at the work state of constant depth and variable speed, constant speed and variable depth movement of torpedo. then the simulation program of the torpedo thermal power digital simulation system comes forth which can be used for the dynamic simulation of the performance of the process of open - loop constant depth and open - loop constant speed, the process of close - loop constant depth and close - loop constant speed

    本文採用一般模型控制的基本原理,對非線性動力推進系統進行控制律的綜合,設計了魚雷恆深變速、恆速變深控制的閉環控制規律,開發了魚雷熱動力系統數字模擬軟體,對魚雷熱動力推進系統的典型工況:開環恆深、開環恆速以及閉環恆深、閉環恆速進行動態模擬。
  11. Just based on the two points mentioned above, a control system of doubly - fed variable speed constant frequency ( vscf ) wind power generator based on 8xc196mc is designed in this paper, which can smoothly transform between the different operational modes from sub - synchronous speed to synchronous speed and to super - synchronous speed

    正是基於上述兩個出發點,本文設計了一臺基於8xc196mc單片機的2 . 8kw變速恆頻雙饋風能發電控制系統。主電路中變流器的設計可使該系統能工作于亞同步速、同步速及超同步速三種運行狀態,並具有能量雙向流動的特點。
  12. Study on constant engine speed control system based on dsp

    的發動機恆轉速控制系統的研究
  13. Sszm500b straight line double edgers, and 90transfer taboe. 26 spindles on each sszm2500b. plc control system sets processing parameters via interface, and finishes processing at one time. this product has stable structure. precise and smooth transmission system, thetransmission belt drive adopts strong power and transfrequency motor to control speed, constant power, constantrele output and advanced epuipment to control, high polishing efficiency. it is the best matched equipment of large batch of furniture and decorated glass edge production, and production, and can be matched with gluing, printing, reinforcing, etc. production line

    才用plc控制系統通過界面設定加工參數一次完成加工,具有穩定扎實的底座結果精確流暢的傳動系統,傳送皮帶驅動採用大功率變頻電機調速控制,恆功率恆扭矩輸出和高配置的控制。結構緊湊,性能穩定可靠,拋光及生產效率高。是大批量的傢具和裝飾玻璃的磨邊生產的最佳配套設備,可以與夾膠印花鋼化等生產線配套使用。
  14. The unfavorable factors contain complicated production technology and wayward product quality, etc. first of all, on the basis of analyzing performance index of 3 - layer pe anticorrosion, technological process and operational environment, this paper advances the synthetic control schemes that have constant compound control of temperature and feedback control of speed. considering the production process of the 3 - layer pe, because it is affected by colloidized time of fbe, relatively strong coupling exists between the temperature and speed. through the rational matching and simplifying of the variable, the system realizes uncoupling

    首先在分析三層pe防腐層性能指標、工藝過程及工況條件的基礎上,提出了溫度復合控制和速度反饋控制的綜合控制方案;考慮到三層pe生產過程中,由於受fbe膠化曲線的影響,溫度和速度之間存在較強的耦合,本方案通過合理的變量搭配,實現兩種變量的解耦;文中還依據傳熱理論、中頻感應理論等提出鋼管傳熱過程理論建模的方法,經實際驗證,表現出該方案和建模方法的科學性和實用性。
  15. On the basis of analyzing status in quo of the waterworks in our country, this paper designs a suit of constant pressure water supply automatic control system by using variable frequency speed - regulating technology based on plc

    本論文結合我國中小城市供水廠的現狀,設計了一套基於plc的變頻調速恆壓自動控制供水系統。
  16. Introduces the structure of the multi - actuators control system based on pressure decrease sensing. then a multi - actuators control system model is developed for the constant pump discharge pressure hydraulic system. also the factors that affect the static accuracy of actuators " speed and flow rate and the dynamic characteristic are analyzed in this chapter

    第二章簡單敘述了基於壓差傳感的計算流量反饋流量控制原理及其實現;介紹了基於壓差傳感的多執行器復合控制系統的構成;之後主要針對定壓系統多執行器復合控制建立了數學模型,並分析了影響執行器速度及流量穩態控制精度和動態特性的一些因素。
  17. Abstract : through analyzing the principle of spindle drive for high speed winding machine, the article not only describes a kind of spindle drive for take - up mechanism on the basis of measure - control method of constant velocity winding, but also introduces microcontroller measure - control system of constant veloity winding for high speed winding machine

    文摘:通過對化纖長絲高速卷繞機錠軸傳動方式的原理分析,論述了一種以恆線速卷繞測控方法實現錠軸傳動的卷取機構,並介紹了在化纖長絲高速卷繞機上實現恆線速卷繞的單片機測控系統。
  18. Through analyzing the principle of spindle drive for high speed winding machine, the article not only describes a kind of spindle drive for take - up mechanism on the basis of measure - control method of constant velocity winding, but also introduces microcontroller measure - control system of constant veloity winding for high speed winding machine

    通過對化纖長絲高速卷繞機錠軸傳動方式的原理分析,論述了一種以恆線速卷繞測控方法實現錠軸傳動的卷取機構,並介紹了在化纖長絲高速卷繞機上實現恆線速卷繞的單片機測控系統。
  19. The contradiction between respond speed of normal pid control system and overshoot is solved by joining a non - liner gain before a liner pid controller with constant gain

    通過在一個線性具有固定增益的pid控制器前串聯一個非線性增益來對系統進行調節,解決了常規pid控制系統的響應速度和超調量之間的矛盾,最終使系統達到較好的動態性能。
  20. Up to 45bevel angle constant linear speed control system automatic starting system

    最大斜邊角度45恆線速度控制系統自動進入系統。
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