constant control system 中文意思是什麼

constant control system 解釋
恆值控制系統
  • 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...
  • 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. A constant temperature control system based on profibus - dp

    現場總線的恆溫控制系統
  2. 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。
  3. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。
  4. Design of high precision universal constant temperature control system for electric resistance furnace based on plc

    的通用高精度恆溫控制系統設計
  5. Abstract : the author puts forward a constant - current control system of diode rectifier with saturable reactor in electrolytic aluminum. the working principle of saturable reactor is depicted. also analyzed are the system configuration and features of system correct circuit

    文摘:介紹了應用於電解鋁的加飽和電抗器的二極體整流器的恆流控制系統,簡述了飽和電抗器的工作原理,分述了系統構成和系統校正電路的特點。
  6. 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。
  7. 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
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. 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。
  13. Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it

    本文應用沖擊機械繫統動力學分析打樁過程中錘體與樁撞擊時應力波的產生、傳播以及該波對沉樁過程的影響。認為與樁等波阻的細長狀錘體能夠產生理想的應力波波形;在樁錘重量一定的情況下,可針對不同的地質情況和樁,通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用液壓打樁錘液壓系統的結構和工作原理進行了深入的研究,並在此基礎上設計出六噸雙缸雙作用液壓打樁錘的液壓系統和電控系統。
  14. The combustion - optimizing and automatic control system is being adopted on boiler no. 2 in jiaozuo power plant, successfully realizing the combustion optimizing control of said boiler under constant load and varying load conditions, the on - line combustion debugging test, and the monitoring analysis of operation economic behavior, making the said boiler always to be safe operation with highest efficiency, enhancing averagely the boiler efficiency to more than 0. 5 %, economic benefit being obvious

    摘要焦作電廠2號爐採用燃燒優化與自動控制系統,成功地實現了鍋爐定負荷和變負荷過程的燃燒優化控制、鍋爐在線燃燒調整試驗和運行經濟監測分析,使鍋爐時刻在最高效率下安全運行,鍋爐效率平均提高0 . 5 %以上,經濟效益顯著。
  15. Not only mechanical system can be reconfigured, but also control system. because modern industrial production and scientific trial ’ s task is no longer constant, the reconfigurable robot is needed which can greatly bring down the cost and increase efficiency

    現代工業生產和科學試驗,工作任務都不再是單一不變,需要採用不同構形的機器人,而採用可重構機器人能夠大大的降低成本,並提高效率。
  16. The result of long - term operation shows that the computer control system is practical and effective, it can run in the optimal state within a long duration to fully realize data collection and process, remote data transmission and vfvs constant injection control of pumps. it speeds up the automatic procedures of the seawater treatment process, really realizes the unmanned working, decreases the physical intensity to a large extent, improves the management, enhances the management level, avoids equipment wear down as much as possible, makes the seawater treatment efficient and lessens the cost of production

    長期的運行結果表明,該計算機控制系統的實施切實有效,既成功實現了對被檢測參數的數據採集與處理、遠傳以及注水泵機組的變頻調速恆壓注水控制,又提高了系統的自動化程序,真正實現了無人值班作業,在很大程度上降低了工作人員的勞動強度,極大的改善了現場的管理狀況,提高了生產管理水平,且有效避免了設備損耗,提高了水處理效率,降低了生產成本。
  17. Jun xin company is located in easily accessible ancient town luzhi of suzhou, always with sincere service attitude, fine quality and filling cooperation degree, constant management innovation and progressively perfect quality control system, becoming one of the main manufacturers in domestic rubber products, emi shielding products, and insulating products

    駿鑫公司一向以誠摯的服務態度,以優良的品質和充份的配合度,座落於交通便利的蘇州?直古鎮、不斷的管理創新和逐步地完善質量監控體系,成為國內橡膠製品、 emi屏蔽製品、絕緣製品的主要製造商之一
  18. 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。
  19. The logic control principle by locomotive computer and its control logic process are introduced. the control system for the electronic fuel injection of diesel engine on this locomotive has been introduced. the emphases is put on the way to realize the constant power control for the diesel engine by the electronic fuel injection system, and how to transfer the auxiliary power of the locomotive and how to modify the locomotive tractive effort to compensate its temperature swing as the calculation result of the tractive effort by direct torque control is dependent on the temperature

    論文第6章深入研究了機車微機控制系統的工作原理、控制流程,介紹了機車微機實現邏輯控制的方式及控制邏輯關系;介紹了柴油機電子噴射控制技術在本機車上的實現方式,重點研究了電子噴射控制系統西南交通大學碩士研究生學位論文第11頁如何進行柴油機的恆功率控制,以實現機車的輔助功率轉移,並對機車牽引力進行修正,以彌補直接力矩控制所產生的牽引力隨溫度而變化的問題。
  20. In this paper the shortcomings of the constant impedance control method has been analyzed, in accordance with efa system " s characteristics, requests of design and developing direction of efa control system an intelligent control method has been proposed. based neural network the model of the efa is established, which can pre - estimate the echo of control variable of efa. by analyzing the result of pre - estimate the control variable can then be adjusted in real time

    本文分析了電弧爐恆阻抗控制存在的不足,在此基礎上針對系統的特點和控制要求,參考國內外電弧爐控制的研究發展方向,提出了一種基於神經網路的電弧爐控制方法,即利用神經網路建立電弧爐模型,並對系統的響應進行預估,將對預估值和期望值進行比較計算並對實際控制量進行校正。
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