重調閥 的英文怎麼說
中文拼音 [zhòngdiàofá]
重調閥
英文
reset valve-
Reconditioning of metallic gate, globe, and check valves
金屬閘閥球閥和止回閥的重新調整Secondly, this paper emphasizes how to apply this new friction model to practical valve controlled cylinder position servo system and realize the dynamic friction compensation. the paper designs the compensation law and uses the matlab / simulink tools to testify the compensation effect
其次，本文重點放在如何將新型摩擦模型應用到實際的電液位置伺服系統中，以實現對閥控液壓缸電液位置伺服系統的摩擦力進行動態補償，並應用matlab的simulink模擬工具進行模擬，通過調節摩擦補償環節的參數可得到良好的補償效果。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。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。Abstract : the applications of commonly used butterfly valve, gate valve, restriction - orifice and wear resistant flow adjusting valve in dedusting system were concretely analyzed, and the mechanism of wear resistant flow adjusting valve was described in detail
文摘:對工程中常用的蝶閥、閘扳閥、節流孔扳和耐磨型流量調節閥在除塵系統中的運用作了具體的分析，並著重對耐磨型流量調節閌的機理進行了比較詳細的論述The main valve spindle incorporates an inner spindle for double regulation memory stop and valve position setting
主閥軸配置一個內軸，適用於雙重調節止動記憶和閥門位置設置。Weight - loaded regulator
重力型自力式調節閥After absorbing heat, the temperature rises to rated value and is let out at hot - blast mouth. when the hot - blast temperature reaches to the rated upper limit, the burner will stop to work automatically or turn to small fire. when the hot wind temperature reaches to the rated lower limit, the burner will kindle again or turn to big fire
需加熱的空氣通過選配的鼓風機強行送入熱風爐、吸熱后溫度升至額定值從熱風出口送出、當熱風溫度達到額定的上限溫度時，燃燒器會自動停止燃燒或自動轉為小火陷燃燒，當熱風溫度降低到額定的下限溫度時，燃燒器又會重新點燃運行或轉為大火燃燒，升溫的速度可調進風閥來實現。This machine is a kind of radial riveting machine, the machine adopted the advanced radial technology, and its movement path likes the 11 pieces of plum blossom s shape, and using the screw pole to ascend and descend the work bench the head part is fixed, and the t - slot of bench can fix the clamping apparatus available, the center hole of bench and axis are coaxial, the one - way adjusting valve of liquid current is effectively controlled riveting speed
Jm12 - c是液壓類中重型徑向鉚接機，除應用有第五代徑向鉚接技術外，該機加長了鉚接行程，該項參數由普通機型的30mm加至60mm ，可滿足長行程深孔內鉚釘鉚接的要求。工作臺，並具有夾具梯形槽，工作臺中心孔徑與主軸軸線同軸，可用於夾具定位。氣路加裝雙向調節閥，有效控制鉚接速度。Performance analysis of the pressure regulation valve for rfm hydraulic system
重復式電纜地層測試器液壓系統中調壓閥特性分析The secondary combustion, which has better controllability, and plays the most pivotal role on the overall performance of a strutjet, so the paper detailedly studied and analyzed the mechanism of fuel ' s atomization, the mechanism of fuel ' s spray burning, vital spray burning models and the combustion ' s controllability, combined with the author ' s practical investigation in the rbcc lab, finally, the author got a most simple and feasible method to control the spraying burning of liquid kerosene - - to set up an adjusting valve in the fuel pipeline
文中重點對燃油的霧化機理、燃油的噴霧燃燒機理、主要的燃燒模型和燃燒過程的可控性，展開了詳細地分析研究，並結合在rbcc實驗室的實際研究，獲得了對燃油噴霧燃燒進行調節的最簡單、可行的方法，即在燃油管路上設置流量調節閥。於是燃燒組織問題轉化為對該調節閥的開度如何施加適當控制的問題。The research indicated that, if the secondary combustion chamber was looked on as a controlled object, with the adjusting valve as a input, the pressure and the temperature of a selected point on the inside wall of the combustion chamber as outputs, then such controlled system would be a strongly non - linear, time varying system with number of random disturbances, which resulted in huge difficulty to build an analyzed mathematics model for the spray burning of the liquid fuel, so that classic control methods were all invalid
研究表明，若將rbcc發動機的二次燃燒室視為一個控制對象，同時以燃燒室內壁面取定點處的壓強、溫度和調節閥的開度為輸入輸出變量，則該系統將是輸入?輸出特性非線性很強、隨機干擾嚴重的復雜時變系統。這導致建立燃油噴霧燃燒具體模型的很大困難，從而宣告了經典控制方案的失效。Williamson valve allocatesa significant portion of sales to research activities that result in quality piping products and valve apparatus that meet the growingdemands of the construction market
威廉姆森閥門分派有重要的銷售力量進行市場調研以使高質量的閥門產品符合不斷增長的建築市場的要求。Williamson valve allocates a significant portion of sales to research activities that result in quality piping products and valve apparatus that meet the growing demands of the construction market
威廉姆森閥門分派有重要的銷售力量進行市場調研以使高質量的管材、閥門產品符合不斷增長的建築市場的要求。The serious troubles may be take place when the fouling is generated on main vapor valves, monitor valves and the valve
若主汽閥、調節閥以及抽汽逆止閥的閥桿上結垢引起卡澀，還可能導致汽輪機發生嚴重事故。This paper introduces the selection of the fire valve for the ventilation system of underground garage, pressure air supply and passage gas exhausting system and the air conditioning system, and points out the important position of the fire valve in the fire - extinguishing works of the high - rising building
介紹了地下車庫通風系統、加壓送風及走廊排煙系統、空調系統防火閥的選定，指出防火閥在高層建築消防工程中的重要地位。The developers should communicate with localization specialists on the issues of dropped packets and significant interruption thresholds when specifying resizing and bandwidth limits in a sla
在指定sla的調整和帶寬限制時，開發人員必須與本地化專家溝通關于傳輸數據包和重大的中斷閥值問題。In the water works control aspect, modifying the valve by the effective algorithm can lighten the pipe ' s pressure in order to resolve the water hammer defensive problem
在水利控制方面，針對工程中需要重點解決的水錘防護問題，採取有效的控制演算法，通過控制閥門開度來調節管道流量，達到減輕管道承受的壓力的目的。分享友人