step valve 中文意思是什麼
step valve
解釋
層式閥-
Open valve to balance set point as recorded in step 9. 1
按照步驟9 . 1的記錄將閥門開啟到平衡設置點上。 -
The thesis roots in the item supported by " fifteen " aviation funds, - new type aeronautic linear dc motor ( ldcm ), study its classes characteristics and work principle, mainly researches the drive and control technique of aeronautic linear dc step motor ( ldcsm ) using in emergency discharging oil valve on airplane
本文源於「十五」航空支撐基金項目-新型航空用直線直流電動機。論文研究了直線直流電動機的分類、特點及其工作原理，重點針對飛機應急放油閥用航空直線直流步進電動機驅動控制技術進行了研究。 -
When the governing valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod increased, meanwhile, it ' s time of rise, time to peak and the governing time all increased. at the same time, the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased
當出口節流調速系統的回油路上串接調速閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是增加的，上升時間、峰值時間以及調整時間也是增加的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。 -
Control valve response measurement from step inputs
階式信號輸入控制閥反應測量 -
Abstract : the concrete pump pumping out of step the reason of is analyzed, and through fitting gas valve, the question is settled
文摘:分析了混凝土輸送泵泵送不同步產生原因，通過安裝排氣閥解決該問題。 -
The weld step and process were introduced, the experience of weld retrofit of the valve was rarely gained, and can be used for reference
介紹了缺陷處理的具體工藝措施、過程，簡述了汽包筒體缺陷處理方面的經驗，為國內運行機組同類缺陷的焊補提供了借鑒。 -
Whole scheme of frame design of test - bed is proposed as : the host fanner supply the firebox the once and twice air required by diesel oil ' s burning and the cooling air ; the export parameter of the test - bed is varied by the adjust of the flux of air and diesel oil. and the air flux is varied by adjusting the rev of the fanner adjusted by transducer and the corner of the fan inlet adjusted by step motor. the quantity of oil is varied by adjusting the oil valve adjusted by step motor ; the measurement of the air flux in the test - bed adopts the method of fanner dynamics performance test in the nation criterion
確立了實驗臺結構設計方案：主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量；利用變頻器調節主風機轉速、用步進電機調節風門開度來調節風量，用步進電機調節回油閥開度來調節供油量，從而實現對模擬實驗臺出口煙氣熱流量的調節；實驗臺的流量測量採用風機動力性能測試標準中測流量方法等。 -
In consideration of time and budget factor, the first step is to manufacture 8 - type ( groove axle structure ) and circle bore type mechanical heart valve. here, the concentration is on the structure design, process and process equipment design, and manufacture of valve on a trial basis
考慮到時間進程和經費因素，初步選定進行8字型凹槽樞軸結構平面瓣型及圓柱孔樞軸圓孔型心瓣進行試制加工，本論文工作的重點是人工心臟瓣膜的結構設計，工藝和工藝裝備設計，以及人工心臟瓣膜試制。 -
Used the metering - out control system in which the hydraulic cylinder was the executive element as research object in this thesis, the experimental research about the effect on the pressure p1, p2 of the hydraulic cylinder chambers when series - connecting throttle valve or governor valve on the return oil - line under the step load changing have made
本文以單出桿液壓缸為執行元件的出口節流調速系統為研究對象，在其迴路上分別串接節流閥和調速閥，當負載發生階躍變化時，對液壓缸兩腔壓力p _ 1 、 p _ 2的影響進行了試驗研究。 -
Based on the test system of unloading valve, the step response method is used to acquire the step response curve of this system
以卸荷閥性能測試系統作為研究對象，利用階躍響應法獲得系統的階躍響應曲線並求得了系統的傳遞函數。 -
A on - identify model of proportional valve pressure controlled system was established though analyzing the configuration of dbetr type proportional pressure relief valve firstly, and then using classical step response method to identify system parameter, a practicable system simple model was deduced at last
摘要從dbetr型比例壓力溢流閥結構出發，先建立比例閥控制壓力系統的待辨識模型，再採用經典的階躍響應法辨識系統參數，得到工程上適用的系統簡化模型。 -
According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly
本文根據水輪機調節領域存在的問題和發展趨勢，對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究，得到以下主要成果和結論：首次提出了採用步進電機驅動的步進式電液引導閥，從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題，使電液隨動系統的可靠性大大提高。 -
Accorded to the experimental research, under different flow area of flow valve and different adjusted pressure of relief valve, conclusion that the regulation of the pressure p1, p2 in the two cylinder chambers varied with the change of step load were as follows : when the throttle valve was series - connected on the return oil - line in the metering - out control system, under the same flow area and the same adjusted pressure of relief valve, with the incremental quantity of step load, the pressure highly - adjusted capacity of the hydraulic cylinder chamber with piston - rod decreased, meanwhile, it ' s time of rise, time to peak and the governing time all decreased. while the pressure highly - adjusted capacity of the hydraulic cylinder chamber without piston - rod increased
通過試驗研究得出系統在不同的流量閥開度、不同溢流閥調節壓力（進口壓力）下，液壓缸兩腔壓力p _ 1 、 p _ 2隨階躍負載變化的規律：當出口節流調速系統的回油路上串接節流閥時，隨階躍負載的增加，在相同流量閥開度、相同溢流閥調節壓力的情況下，液壓缸有桿腔壓力p _ 2 （ t ）的超調量是減小的，上升時間、峰值時間以及調整時間也是減小的；液壓缸無桿腔壓力p _ 1 （ t ）的超調量是增加的。 -
Remove the diaphragm and replace with a new diaphragm if required, or clean the existing diaphragm. the molded step of the diaphragm should point down towards the relief valve stem
拆卸隔膜，如果需要，用新的隔膜更換，或者清洗原有的隔膜。隔膜的模製臺階應該對著安全閥閥桿。 -
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。 -
Turn the brass memory lock ring until the aluminum memory ring stop contacts the step on the valve stem. do not overtighten. finger - tight pressure is sufficient
旋轉黃銅記憶鎖環直到鋁記憶環停止接觸閥桿上的臺階為止。不要過緊。手指旋緊壓力已經足夠了。 -
On the series tdv performance curve ( fig. 5 ) locate the differential pressure obtained in step 6. 3. 2 and project line horizontally across to intercept with valve performance curve
在系列tdv的性能曲線（圖5 ）上找出從步驟6 . 3 . 2得到的壓差值，畫水平線與閥門性能曲線交叉。 -
To calculate flow rate of valve in the throttled position, multiply the flow rate from step 6. 3. 4 by the percentage flow rate from step 6. 3. 2 divided by 100
為了計算處于節流位置的閥門的流量，將從步驟6 . 3 . 4得到的流量乘以叢步驟6 . 3 . 2得到的百分比流量，再除以100 。 -
Test procedures for control valve response measurement from step inputs
步進輸入控制閥反應測量試驗程序
分享友人