circuit control valve 中文意思是什麼
circuit control valve
解釋
流量調節活瓣-
Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively
高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。 -
The method that absorb return circuit design used in power design and electromagnetic valve drive circuit, system power and operating supervision to mcu and redundancy and digital filter technology to the time interval to send wave and echo are used in system design to ensure the reliability and accuracy of measure and control system
本系統在電源設計、電磁閥驅動電路中的吸收迴路設計、系統主電源和訛u運行監控以及採集的對發射波與回波時間間隔數據採用的冗餘技術和數字濾波措施，保證了測控系統的可靠性和精確性。 -
By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率，可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移，從而增加伺服閥的輸出流量;同時，利用磁流體的粘度特性，可增強力矩馬達阻尼及抗干擾能力，從而增強伺服閥及伺服控制系統的穩定性。 -
( 4 ) in order to improve the system and its working function, a hydraulic controlled direction valve is connected in the main oil circuit to control the differential of the piston. then the dimentions of the cylinder and the piston are reduced, improving the working properties
廣東工業人學工學顧十學位論義（ 4 ）為進一步改進設計方案，提高其工作性能，在主油路中加一液動換向閥，控制活塞的差動，從而將減小油缸和活塞的尺寸，提高工作性能。 -
The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。 -
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。 -
The host computer system ' s functions are as follows : duplex communicate with automatic station data poll gather to each automatic station save and handle the data format and print diagram based on the gathered data download the parameter to automatic station and adjust the clock dial - up to network and long - distance control automatic rainfall station consists of outer garment, meet rain bucket, water input and output electromagnetic valve, measure bucket, storage battery and circuit control
可以與自動站進行雙向通訊，完成對各個自動站數據輪詢採集並進行存儲、處理，並生成圖表，根據採集的數據形成圖表、列印，可以向自動雨量下載參數、時鐘校準以及遠程聯網撥號和控制。自動雨量站包括外罩、接雨桶、進放水電磁閥、測量桶、蓄電池以及電控部分等部分組成。 -
D ) in the end, the new high speed on / off valve is applied to the vavle - control - vat systerm, and the controlling circuit is given
最後將設計的高速開關閥應用到閥控缸系統，並給出其控制電路。 -
Valve control circuit
閥開關電路 -
Abstract : a new sequencing valve o f with structure of open in usual and compound has been introduced with principl es, characteristics and application in control circuit of increasing speed cylind ers of hydraulic press
文摘:介紹了一種新型順序閥? ?常開式和復合式順序閥的結構、原理、特點及其在液壓機增速缸增速控制迴路中的應用。 -
The paper also analyses the dynamic and static characteristic of the hydraulic control circuit and key component used in the hydraulic water gate, such as balanced valve and balancing circuit in the light of special requirement for working condition of the hydraulic water gate used in the three gorges project, and basing on the result from computer dynamic characteristic emulating and by analyzing the technical feature of the balancing circuit in the hydraulic water gate for the three gorges project, quantitatively raises the principle for selection of balanced valve parameter
論文對液壓啟閉機的液壓控制迴路及其關鍵元件，結合啟閉機工況的特殊技術要求，細致對平衡閥及主要由其構成的平衡閥迴路進行了對比分析。論文對三峽樞紐工程中液壓啟閉機採用的平衡閥，進行了細致的動、靜態特性分析。並根據計算機動態特性模擬的結果，分析了三峽樞紐工程中液壓啟閉機平衡閥迴路的技術特點，定性的提出了平衡閥參數選擇的原則。 -
According to the principle of lower cost, higher reliability, the design completes much work. the contents of project are as follows : ( 1 ) pic micro - controller which is lower - power and lower price is the core of control device. the whole circuit realizes the functions of collecting pulse, keeping data, driving electric machinery valve, reading and writing ic, detecting power supply, sound alarm and liquid crystal display
設計依據低成本，高可靠性的原則完成了以下工作： （ 1 ）用功耗低、價格便宜的pic系列單片機作為控制裝置的核心，控制裝置的硬體電路實現了脈沖採集、數據存儲、電機閥驅動控制、 ic卡讀寫、電源檢測以及聲音報警和icd液晶顯示等功能。 -
According to the project of the interfacing experimental apparatus, the hardware circuit of the control system with 89c51 single - chip microcomputer has been designed, which include the circuit from analog signal to digital signals and the circuit from digital signals to analog signals, the drive circuit of the electromagnetism ~ valve and servo - valve, the communication interface circuit between the single - chip microcomputer and pc and so on
對針對接實驗裝置的方案，設計了基於89c51單片機的控制系統硬體電路，其中包括a d轉換電路、 d a轉換電路、伺服閥驅動電路、電磁閥驅動電路、 pc機與單片機之間通訊的介面電路等，並完成了控制系統硬體電路的調試。 -
The new pressure compensation valve with the differential - pressure control circuit
帶有壓差控制油路的新型壓力補償閥 -
The computer control system of a high - speed industrial sewing machine is studied in the dissertation. the system ' s operation principle, the design nation with the core of 80c196kc mcu ( micro - chip computer ) also are discussed in the dissertation the methods of a minimum operation system of mcu, the principle circuit of signal adjusting, data collecting, keyboard controlling, led displaying, electromagnetic clutch and magnet valve power driver circuit etc. are proposed and realized
論文分析了工業高速自動剪線縫紉機（簡稱工縫機）計算機控制系統的工作原理，提出了以80c196kc單片機為控制核心的系統設計方案，並詳述了關鍵部分的功能與實現方法。設計了電路原理圖，完成了系統軟硬體設計、安裝，調試，和對系統原理樣機的性能測試。 -
An approach to reset the main valve in the hydraulic control system of circuit breaker in gis
中斷路器用液壓系統控制主閥的復位方法
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