正動閥 的英文怎麼說
中文拼音 [zhēngdòngfá]
正動閥
英文
positively actuated valve-
Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net
由於各個電壓控制區之間無功電壓的弱耦合性,利用多閥值分解的分區演算法,實現區域間的解耦,然後根據各個子網路的主導節點的電壓進行校正,從而把求解整個網路的問題轉化為求解各個小的子網路,降低了網路維數,減少了無功設備控制動作次數,提高了校正成功率,縮短了計算時間。Abstract : the mathematical model of the valve controlled asymmetrical cylinder active electro - hydraulic servo loading system is set up and the control strategy of the compound adjustment is designed in this paper. the simulation and experimantal research are carried out
文摘:建立了閥控非對稱缸主動式電液伺服加載系統的數學模型,設計了復合校正的控制策略,並作了模擬和實驗研究。Port closure directly proportional to stem travel for throttling
埠關閉與閥桿運動成正比例,適用於節流。Tools for pressing. ball - lock punch retainers. part 1 : types a and b, rectangular and square for light duty
沖壓工具.球形閥沖頭限動器.第1部分:小功率用途的a或b型,矩形及正方形沖頭In order to accelerate the district metering work, in 2005 a contract operation will be carried out, including matching the site pipelines and valves with the plans for calibration, checking leak distribution by leakage vibration recorder, and zone division and suspension confirmation. twd divided specific areas into blocks for testing. presently, twd has already prepared four blocks for testing and 30 more will be ready by the end of the year
為加速推動94年小區計量工作,於今年下半年將其前置作業包括現場管線及閥栓與圖資比對校正新式漏水振動記錄器調查漏水分佈區塊劃分及斷水確認等委外辦理,目前已劃分完成4個計量區,預計至年底將完成30個。After the normal air - running, engineer must move the regulating handle to the position corresponding to the pressure which has been set by the pressure reducing valve ( pos. no. 28 ) when the speed of the main engine is more than the air cut speed
在正常的空氣運轉后,輪機員必須移動調節手柄到相應的壓力的位置,其壓力已由壓力減壓閥28設定,當主機的轉速已經高於空氣切斷轉速。Pressure characteristics of a pneumatic servovalve with uneven underlaps of the spool
具有不均等正開口量的雙邊滑閥式氣動伺服閥特性研究At this time, slowly open the test ball valve completely, then a lot of water is discharged at the drainage outlet, close the test ball valve, the drainage device closes too, this shows that action of anti - pollution isolating valve is normal
此時緩慢將試驗球閥完全打開,這時排污口有大量水排出,關閉試驗球閥,排污器也隨之關閉,這說明防污隔斷閥動作正常。Through the simulation, we prove that adaptive control can improve the dynamic characteristic of the asymmetrical cylinder velocity system which controlled by symmetrical valve. it also can make the system ’ s dynamic characteristic to be same in different directions, and the system ’ s big over shoot and stabilization time has been reduced, the stability of the system has been
通過模擬分析,證明了自適應控制能夠有效地改善對稱閥控制非對稱缸速度系統的動態性能,使正反兩個方向上的動態特性對稱,保證系統的穩定性,降低了系統的超調量和穩定時間。Valves are control equipment in fluid pipelines. through adjusting valves, medium in the pipeline may get through or be cut off in pipeline. also, the flowing way, pressure and flux of medium can be controlled to protect pipeline and facility
閥門是流體管路的控制裝置,其基本功能是接通或切斷管路介質的流通,改變介質的流動方向,調節介質的壓力和流量,保護管路和設備的正常運行。( 6 ) scientifically understanding the influence of crude nitrogen regulating valve fluctuation on the top of crude nitrogen i tower to oxygen content and purity of nitrogen fraction, so as to attain the goal of adjusting oxygenerator operation according to the above mentioned law. it has the significant guidance to regulate the operation of large - scale oxygenerator and worth being popularized
( 6 )科學認識進粗氬塔頂部粗液氬調閥波動對氬餾分含氧量和氧純度的影響,從而可以在本規律的指導下達到正確調整制氧機工況的目的,對大型制氧機工況的調整具有很強的指導性,極具推廣價值。Handwheel torque or actuator force provides positive seat - knife closure. during closure, the stem slides down pushing the knife into contact with the two bottom lugs
手輪扭矩或執行機構扭力是正閥座-閘刀關閉的動力源。在關閉期間,閥桿向下滑動推動閘刀向下抵住兩個底部凸耳。Using matlab, the step response characteristics of the valve in the elevator system is simulated, comparing the effect of its performance with different structure parameters of the pipe rupture valve, such as hydraulic resistance, diameter of the valve, and spring rigidity, and comparing the valve ' s dynamic performance under different operating conditions, such as environment temperatures, number of passengers, and emergencies of the hydraulic system, so the paper offers a general and systematic analysis for the pipe rupture valve of the elevator system
另外,在液壓電梯不同的工況下,對該閥的動態性能進行了模擬對比研究,如不同環境溫度、不同乘客人數、不同液壓系統意外,以及不同的油液體積彈性模量,比較全面系統的分析了限速切斷閥在電梯系統中的性能,根據這些模擬結果,可以分析該閥正常工作的工況要求和環境要求。In this paper, the on - off procedure and drive mode of high - speed on - off valves are introduced, the principle of pwm most in use recently is introduced. based on the forming method of pwm signal with software, the conclusion is drawn that the occupancy of pwm signal is only in relation to the control value calculated and the mean flowrate is linear to the control value when the carrier wave ( cycle and amplitude ) is chosen
論文介紹了高速開關閥的開關過程和閥的驅動方式。介紹了目前最常用的流體脈沖控制方法?脈寬調制的機理。介紹了pwm信號的軟體生成方法,並由此證明,高速開關閥可以實現流量與控制量成正比的模擬控制所能實現的伺服控制功能。This equipment is for general assembly of clutch pressure plate assembly and calibration of diaphragm finger ; the whole machine is driven by compressed air and air cylinder is controlled by electromagnetic valve by finishing multiple functions ; this equipment divides into two basic types for light - duty and heavy - duty, it also can be made into light & heavy duty equipment according to user ' s request
本設備用於汽車離合器壓盤總成的總裝和膜片分離指的校正;設備動力用壓縮空氣,執行元件用電磁閥控制氣缸以完成多項功能;本設備分輕型及重型兩種基本型號,也可按照用戶要求,將輕型與重型做成雙工位設備。If the valve actuates or is triggered ( either due to overpressure or under pressure ) the valve will remain closed until a technician or mechanic visits the site, and verifies installation integrity
如果閥因升壓超過或降壓低於設定壓力值而動作或被扳開,它會維持關閉狀態,直到技術人員或技工到達現場確定設備的完整正常。When manual operating, by keystroke operation determines direction or reversion switch quantity output, and match with electric actuator can control liquid level or temperature of system. main technical parameters 1
可自動跟隨閥位反饋值進行控制,控制輸出信號可分別帶一路模擬量控制輸出或一路開關量控制輸出可控制正反轉,及一路模擬量跟蹤輸出。Live - loading automatically compensates for the transient loads which cause bonnet movement by maintaining a positive load on the pressure seal gasket as the pressure reduces
動負載自動補償波動轉換中的變化,在壓力減少時,閥帽會產生運動,維持壓力密封墊圈上的正向負載。It is a one - way flow control valve which can regulate the flow of compressed air in air passage. it will control forward flow, and not control reversed flow, so as to change the one - way movement speed of executive components such as air cylinder
單向型流量控制閥,在氣路中調節壓縮空氣的流量,氣源正向流動時節流,反向流動時不發生節流,以改變氣缸等執行元件的單向運動速度。Electrohydraulic push rod drives the two - way pump to output pressure oil with rotation of motor clockwise and counter - clockwise, by control of hydraulic valve, send to the hydraulic cylinder, to achieve the reciprocating movement of the piston rod
電液推桿以電動機正反轉,帶動雙向泵輸出壓力油,經液壓閥控制,送至液壓缸,實現活塞桿的往復運動。分享友人