proportional control valve 中文意思是什麼

proportional control valve 解釋
比例控制閥
  • proportional : adj （成）比例的；相稱的，平衡的，調和的 （to）。 a proportional number 比例數。 a proportional e...
  • 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...
  • valve : n 1 【機械工程】閥，活門，舌門；汽門。2 【解剖學；動物學】瓣，瓣膜；（貝）殼瓣；【植物；植物學】...
  1. Abstract : the analysis of the mechanical and pneumatic control systems of scutcher machines is studied in this paper, a hydraulic control system with electro - hydraulic proportional valve to regulate the force imposed on the cotton lap is proposed. it can improve the quality of the lap, simplify system design and reduce cost. therefore, it is a very promising scutcher machine control system

    文摘:在分析了機械式和氣動成卷機成卷壓力控制系統的基礎上，提出了一種採用電液比例控制技術的成卷機控制系統.它不僅可以提高成卷質量，而且可以簡化系統設計，降低成本，是一種有希望的成卷機成卷壓力控制系統
  2. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。
  3. 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。
  4. The control precision of the slider with 2400mm effective stroke can reach 0. 05mm. the properties of the position control system are not exigent, only the dynamic non - overshooting and the stable - state - precision are considered. the system has given out satisfactory result when used in practical engineering, 0. 03mm position control precision has been achieved, on account of dead band, the performance of proportional valve is worse than that of servo valve, but some advantages of proportional valve has made it more fit for industrial control

    系統方案採用重復性能（反向回差）好的比例方向閥，使有效行程為2400mm的滑塊控制精度達到0 . 05mm ，位控系統快速性要求不高，主要考慮系統穩態重復精度，此方案在實際工程中已經取得了滿意的效果，位置控制精度達到0 . 03mm ，可以取代同類產品中日本川崎重工的泵控系統。
  5. Intelligent actuator receives the output signal from the regulator and compares it with valve position feedback signal and obtains output signal which is directly proportional to the output signal of regulator according to the deviation between the signals and then control the pneumatic actuator

    智能執行器接受調節器的輸出信號，在與閥位反饋信號進行比較，然後根據兩者的偏差產生和調節器輸出信號成正比例的輸出信號控制執行器。
  6. User can chang it freely. the signals sampled on hardware interrupt assure the real - time property and control reliability. chapter 4 first analyzes the basic characteristics of electropneumtic proportional / servo cushioning controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon

    第四章首先將電-氣比例伺服控制引入到緩沖控制中，分析了系統被控對象的基本特性，著重分析了氣源壓力變化、閥口死區、系統摩擦力特性和氣路飽和現象對控制系統的影響。
  7. The proportional flow valve control system is the most popular method among the control system of hydraulic elevators

    液壓電梯比例閥節流調速控制系統是目前液壓電梯中應用最廣泛的系統。
  8. Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic

    空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管
  9. The thesis comes from the double - side turntable die spotting press project cooperated by npu908 with shannxi forging and rolling equipment works. the main work is studying high - accuracy position control system of double - side turntable die spotting press. the system uses proportional orientation valve with high echo performance

    課題來源於九零八教研室與陜西壓延設備廠聯合研製的1000kn雙側翻轉模具研配壓機這一實際工程項目，論文主要研究內容是研配壓機的高精度位置控制系統。
  10. The proportional relief valve is used to adjust control the pressure of hydraulic oil, therefore controls the brake moment by adjusting the thickness of oil film

    用電液比例溢流閥對控制油壓進行調節，從而調節油膜的厚度來控制制動力矩。
  11. Its control precision must fit a certain extent standard. now, proportional hydraulic valve which developed from the general hydraulic valve is applied in ali kind of control scopes. it uses proportional electromagnetic iron to change the electron signal into mechanical signal instead of the manual adjuster or general switch electromagnetic iron

    現在工業生產中得到廣泛應用的比例液壓閥多是在普通液壓閥的基礎上，採用廉價而可靠的比例電磁鐵作為電-機轉換元件，把電氣控制信號轉為機械信號，以代替原閥內的手動調節器或普通開關式電磁鐵。
  12. The respect drive system design : the servo valve commonly used in the closed - loop control system is replaced with the proportion direction valve, and controlled it with the methods of electrohydraulic proportional control. the system adopts the hydraulic circuits that prevent the simulating table letting down because it own weight take place

    驅動系統設計方面：用比例方向閥取代了液壓閉環控制系統中常用的伺服閥，採用電液比例技術對其進行控制，並在液壓油路中採用了防止因模擬轉臺自重而產生緩慢下滑的液壓迴路。
  13. The work greatly boost the development of proportional valve control system applying car speed feedback and the development and spread of homemade hydraulic products

    課題的研究完成使電梯組的新型大閉環反饋閥控系統的技術開發和國產新產品研製和推廣工作邁出了堅實的一步。
  14. Therefore, it is of significance to develop new relevant proportional valve specially applied in hydraulic elevators. this thesis mainly deals with the theoretical analysis, design, simulation and experimental research of integrated control valve

    因此，研製新一代高性能的液壓電梯專用比例集成閥，對保證大閉環反饋閥控系統的性能，從而使國產液壓電梯的性能達到國際先進水平，具有重要的意義。
  15. The proportional flow valve control system with speed - electric feedback applied in hydraulic elevators can eliminate disturbances of nonlinear source such as oil temperature and load change. in this system, the proportional valve plays a key role

    採用轎廂速度一電大閉環反饋控制方法的電液比例閥控系統，可以排除油溫及負載變化等因素引起的非線性干擾，極大地提高了液壓電梯的工作性能。
  16. This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination

    本論文分析了目前常用比例閥的類型、功能、特性，並針對其不足提出新的改進方案，即：以流量放大，電反饋兩個原理為基礎，通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍，確定主閥結構、功能特性研究等，提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理，並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。
  17. This paper carries out pilot study on water hydraulic proportional control valve, and selects water hydraulic proportional throttle valve as research object, of which the structure is comparatively simple

    論文對水壓比例控制閥進行了初步研究，選擇結構較為簡單的水壓比例節流閥作為研究對象。
  18. 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器plvc4控制電液比例溢流閥調節伺服閥入口壓力，使其跟隨伺服閥出口壓力變化，達到入出口壓力差值恆定的目的。
  19. In order to solve the problems that large energy consumption, temperature variation, high, cost trouble maintenance in current electro - hydraulic servo control system for material testing machine, a new design scheme that electro - hydraulic proportional control system for material testing machine based on extension control strategy is proposed. the design scheme is successful by means of designing new main frame system, hydraulic cylinder system, digital electro - hydraulic micro - fluid proportional valve and electrical control system, and its results lay a foundation for material testing machine industries in our country

    針對國內外材料試驗機主要採用電液伺服控制系統，存在能耗大、溫升、成本高、維護困難等問題，本課題提出了基於可拓控制策略的材料試驗機電比例負載適應控制系統這一新型研究方案，通過開發新型試驗機主機系統、液壓缸系統、數字式微小流量電液比例流量閥及電控系統，實現了材料試驗機電液比例負載適應控制，為我國材料試驗機自動控制系統的產業化打下了基礎。
  20. The objective of this dissertation is a kind of press - high speed numeric control oil - press. with a theoretical analysis and study about proportional control system, this paper sets up the mathematical model of proportional valve controlled non - symmetry hydraulic cylinder via the hydraulic system model building. then analyzes and modifies the model based on the matter of this study, and simulates the model with matlab software to confirm pid parameters, thus designs the pid controller

    本學位論文針對一具體的研究項目?高速數控壓機的開發，對比例控制系統進行理論分析與研究，通過對液壓系統的精確建模，建立起比例閥控非對稱液壓缸的數學模型，然後根據所研究問題的實際情況對模型進行必要的分析和修正，再運用模擬軟體matlab分析系統模型及確定pid控制參數，設計出pid控制器，使得控制系統的設計具有更多的可靠性和靈活性，最後運用pic單片機實現此控制，並結合整機調試試驗驗證了pid控制的成功。
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