比例控制閥 的英文怎麼說
中文拼音 [bǐlìkòngzhìfá]
比例控制閥
英文
proportional control valve- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 閥 : 名詞1 (指在某方面有支配勢力的人物或家族) established house or power group; a powerful person or...
- 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads
第四章介紹了多執行器復合控制實驗系統和實驗方法;介紹了實驗採用的流量控制的pid演算法;並測定了執行器控制閥和閥芯位移相關的系數;做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗;通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。Test methods for electro - hydraulic proportional bypass flow control valves
電動液壓比例旁通流量控制閥試驗方法The temperature of the system is precisely controlled by a proportional valve to maintain within a tolerance range of plus or minus 2 & degc
本機溫度控制採用比例式控制閥,溫控精準可控制在2 & degc以內。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。The test platform adopts controlled system for silion controlled governing and electrohydraulic proportional relief valve loading to achieve the microcomputer controlled
實驗臺採用可控硅直流電機控制轉速系統和電液比例溢流閥加載系統來實現被試泵的計算機控制。Second, pid arithmetic that is proved to be mature and have excellent performance by practical application is adopted to deal with various problems which hydraulic proportional system could meet with. in practical control, data acquisition & control card made by advantech co., ltd acts as key element to deal data. this hydraulic - mechanic system integrates the computer technique, hydraulic proportional control and data acquisition technique
在控制演算法方面,採用在工業實際應用中已經成熟的、在實際應用中經過驗證具有優越性能的pid演算法為基本控制演算法來處理該液壓比例系統所遇到的各種問題(如閥開口為負遮蓋引起的死區問題和系統控制的穩定性問題) ;對于實際的控制,採用集數據採集與控制於一體的研華數據採集控制卡作為核心元件,從而在理論上研究並在實際應用中能體現出該液壓比例控制系統的基本性能。Water injection system includes pulverization system and controlling system of water quantity. pulverization system includes air resource, water resource and gas - mist nozzle ; controlling system of water quantity includes booster, controlling circuits. water quantity is decided by hydraulic pressure and gas pressure
噴水系統包括霧化系統及水量控制系統,其中霧化系統包括空氣源(空氣壓縮機) 、水源(加壓水)及氣?霧噴嘴;水量控制系統包括比例調壓閥、控制電路部分。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。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。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。Electro - hydraulic control principle applied in construction machinery is analyzed in this paper ; working principle and application characteristic of electro - hydraulic proportional is lucubrated ; technique and static characteristic of electro - hydraulic proportional decompression value and electro - hydraulic proportional direction value is emphatically analyzed and studied ; electro - hydraulic proportional control mode is setup. the hydraulic circuit which can be not only suit for handle operation but also for remote operation in the same construction machinery, and the hydraulic system design methods is also introduced that the proportion control use d for the steering devices and the working devices of the machine
本文對工程機械上應用的電液控制原理進行了分析;對電液比例閥的工作原理和應用特點進行了深入研究;重點對電液比例減壓閥和電液比例方向閥技術特徵和靜態特性進行分析研究;建立電液比例控制模型;提出了在同一臺工程機械上,既能滿足遙控又能滿足手控的液壓迴路,以及採用比例量控制行駛和工作裝置的液壓系統設計方法。Chapter 2 describes the working theory of the hydraulic elevator control system, and introduces the components of this system, especially the vsvii integrated valve, which could be regulated by the controller of single chip processor with flexible control strategy. also the mathematical models for the hydraulic elevator control system with vsv ii valve are derived and the simulation is made
論文的第二章主要介紹採用轎廂速度反饋電液比例控制的液壓電梯的工作原理,分析了本課題所採用的控制系統的各個組成部分,特別介紹了本課題組自行研製的vsv型液壓電梯專用比例閥和計算機監測系統,並對液壓電梯速度控制系統進行了建模和模擬。Their structures and principle were narrated in details and at the same time, the new actuators used in electric - pneumatic proportion / servo valve in the future were presented
對現有電氣比例伺服控制閥的結構及工作原理作了簡單的敘述,結合新型驅動方法闡述了未來電氣比例伺服控制元件的發展。Introduce the research and application of constant - pressure hydraulic power both in china and abroad and put forward and analyzes several constant - pressure hydraulic power controlling methods and pick out constant - pressure hydraulic power controlled by the proportional relief valve that fits the measuring system mostly
依據國內外恆壓油源系統的研究及應用現狀,提出了幾種油源恆壓控制方案,分析各種方案的優缺點並選出適合測量系統的比例溢流閥控恆壓油源方案。Dcw proportional amplifier introduced in this paper is used in the double ways control system. it can control tow electromagnetic iron at the same time
本論文所介紹的dc - w型雙向電液比例控制器是用於雙通道控制型比例閥中,可控制兩個比例電磁鐵。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。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。Expect for the design of the amplifier, the emphases is to test the static state and dynamic characteristic of the control system and provide a great deal reference data so that the system can work well
論文中除了對放大器的電路做了介紹外,重點是對放大器在比例控制系統的運行中做了大量的靜態、動態參數測試,為比例電磁閥的良好工作提供了一系列的參考數據。Hydraulic fluid power ; proportional and servo valves ; definitions, symbols, units
液壓流體動力.比例控制閥和伺服閥.定義符號和單位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。分享友人