volume control system 中文意思是什麼
volume control system
解釋
體積調節系統-
Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper
在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。 -
Direct drive volume control hydraulic servo system, which is composed of hydraulic pump driven by ac servo motor and executive elements, takes advantages of both ac servo motor ' s flexibility of controlling and hydraulic great output force
直驅式電液伺服裝置，它是由交流伺服電機驅動的液壓泵與執行元件組成，它具有伺服電機控制的靈活性和液壓系統出力大的雙重優點，即用電動機變速直接驅動液壓泵，實現對系統的控制。 -
On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。 -
It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail
該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力，同時在航空舵機、伺服閥，以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想，以及系統方案的設計和各組成部分的功能與實現方法。 -
According to the technical innovation requirement by chunhai thermoelectric plant of dalian, a remote monitoring and control system is designed after analyzing the request of the project. the data from cdv - 12 gas volume corrector will be transferred through the modem and the public - switched telephone network ( pstn )
本課題以春海熱電廠的技術改造工程項目為背景，在對春海熱電廠提出的技術要求作出具體分析后，提出了利用公用電話網進行遠程的數據傳輸與監控的整體設計方案。 -
Genetic algorithm is used to optimize the parameters of pid controller that is used to control the plant lon ( local operating network ) is designed to control vav air - conditioning system. by this means the static pressure control and minimum total supply air volume control are experimented. the paper analyzes the coupling among loops, the whole system ' s stability and energy saving effect under the two control methods
針對目前變風量空調系統的模型都是用機理建模方法建立的情況，本論文用最小二乘法對機組部分進行系統辨識，建立了水閥?送風溫度、變頻風機?靜壓兩個迴路的模型，經驗證比較接近實際系統；採用遺傳演算法對pid控制器的參數進行尋優，尋優結果令人滿意；設計了變風量空調系統的lon控制網路，以此為實現手段，進行了定靜壓控制和最小總送風量控制，並在兩種控制方式下，分析了各個迴路的耦合情況、兩種控制方式的穩定性和節能效果。 -
In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。 -
This design is rebuilding its electrical control part, designing an automatic control system with automation technology and single chip computer. after rebuilding the test stand, the oil injection times may be presetted, counted and displayed, then stop counting automatically when count completes in measuring oil volume. the drive shaft rotation speed may be presetted, measured, adjusted and displayed
利用單片機結合自動控制技術設計一套控制系統，對其進行技術改造，實現試驗臺量油時對其噴油次數預置、計數、顯示，計滿后自動停止；主軸轉速預置、測速、調速、顯示。 -
Presents the automatic control system scheme, especially that of the air conditioning system of constant and variable air volume
摘要簡要敘述了該智能樓宇空調自控系統的整體結構，詳細介紹了定風量和變風量空調系統的控制方案。 -
The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge
絕緣油的介質損耗因數、體積電阻率測量，是判斷絕緣油的劣化與污染程度的有效預防性試驗，是保障變壓器、油斷路器等充油電力設備安全運行的重要手段。然而，目前所使用的絕緣油介質損耗因數、體積電阻率測試系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷，針對這一現狀，本文對絕緣油介損及體積電阻率一體化測試系統進行了研究。 -
By means of variable frequency and adjustable speed, the variable air volume air conditioning automatic control system saves energy through setting different static pressure values in different time periods
變風量空調控制系統以變頻調速為手段，分時段設定靜壓值以實現節能。 -
Variable - frequency technology has been successfully used in design and construction of the power supply and control unit of a large volume, vacuum system of freeze - drying equipment, model szdg200
摘要分析了變頻真空機組在食品真空冷凍乾燥設備中應用的意義和可行性。 -
The paper studies the static pressure control and minimum total supply air volume control of vav air - conditioning system by experiment at present vav air - conditioning system are all modelled by the method of mechanism analysis
本論文對變風量空調系統中的定靜壓控制和最小總送風量控制進行實驗研究。 -
The experiment ' s results show that the system is stable under the static pressure control and energy saving under the minimum total supply air volume control. although the terminal dampers ' s tuning time is prolonged under the minimum total supply air volume control, it can be reduced by adopting the appropriate sampling time when debugging the system. from all of this we can conclude thart the minimum total supply air volume control has a good application perspective
實驗結果表明，定靜壓控制方式下系統較為穩定，最小總送風量控制比定靜壓更加節能，但它延長了末端閥位的調節時間，在系統調試時，我們可通過選擇合適的采樣時間來縮短閥門的調節過程，所以最小總送風量控制具有廣闊的應用前景。 -
A strong financial support has enabled factory in zhang jia gang sheng meei machine co., ltd. an ideal working environment, equipped with advanced production facilities, latest technology, conveying belt and cnc control system to ensure the top quality of hand - driven flat knitting machine. the parts and standard accessories are either manufactured locally or imported overseas. the annual production capacity reaches beyond 100, 000 sets in volume, and more than us 30, 000, 000 in value. consequently, labor force increases to 400 - 600 people. the labors in sheng meei enjoy a great extent of sense of ownership to the company
本公司環境優雅舒適，有雄厚的資本實力，一系列人性化合理化健全化科學化的管理理念和管理制度，且有世界一流的全自動化電腦控制設備，裝配材料國內無法供應者，均原裝進口，而生產出具有世界一流水準的手搖編織機，預定年產量逾十四萬臺，年創產值逾四千萬美元以上，年創匯可達數千萬美元，員工人數近千人。 -
With its smaller volume, lower price and better anti - jamming, singlechip have been widely applied in modern control system operating scene which have been put in collecting data in order to achieve shop floor control. the pic singlechip which is made by microchip co. in the u. s. a, with its risc architecture, high price verse performance ration, high speed, has been working in low voltage, lower power depletion, higer driving power, lower price otp technology and smaller volume, has been represents a new trend in the microprocessors ; as a transmission media, sms ( short message service ) which is a basic service in the gsm network, with its lower price and high reliability, has become important media in people ’ s daily life and trade communication ; led ’ s panel which has been applied in publishing the news and advertising in the enterprise is a control technic, a photoelectricity technic, communications technic, digital - image processing technic all rolled into one
單片機以其體積小、價格低、抗干擾性好等特點，在現代控制系統中常用在操作現場進行數據採集，以及實現現場控制。 pic單片機系列是美國microchip公司推出的，採用risc結構的高性價比嵌入式控制器，其高速度、低電壓工作，低功耗，強大驅動能力，低價otp技術，體積小巧等都體現了單片微控制器工業的新趨勢;作為信息的傳輸媒體， sms短消息服務是gsm網路的一種基本業務，以其低成本、高可靠性的方便快捷通信方式成為人們日常生活和商業交流的重要載體;集控制技術、光電技術、通信技術、數字圖像處理技術於一體的led電子顯示屏為企事業的信息發布和廣告宣傳提供了廣闊的便利。 -
At present, variable air volume ( vav ) air - conditioning system is the main steam of the whole air conditioning system in china and abroad because of its large energy conservatioa however, since vav system is multivariable, strongly coupled, nonlinear and time variant, its design, performance and management are more difficult than constant air volume ( cav ) system, and stable control of the entire vav system is focused in particular in china study on the stability, the key condition of the vav operation, the paper divide the vav system into ahu part and terminal part based on the coordination control strategy
目前，變風量（ variableairvolume ， vav ）空調系統以其巨大的節能潛力逐漸成為國內外空調系統的主流。但是，變風量（ vav ）空調系統具有多變量、強耦合、非線性、時變的特點，因此它的設計、運行和管理都比定風量（ constantairvolume ， cav ）系統難度大。這也是限制vav系統更廣泛應用的一個重要原因。 -
The computers which are embedded into some sets are called embedded computer. so ， it ' s most visiable feature is the so small and compact volume. the embedded computer provides kinds of function interfaces for users ， administrates the whole system ' s inputs and outputs ， and contral set ' s calculate ability. so that ， sets with embedded computer have more excellence. profibus - dp fieldbus is a kind of communications standard and technique developed for the industrial field condition. to link the field fixings that require controlling and watching to the field controller whose core is embedded oprating system ， and realize field controlling is its function. for field fixings that may communicate each other ， they can communicate each other independently by means of profibus - dp ， then the work ' s security and efficiency are increased. speaking vividly ， profibus - dp fieldbus system is a small dcs control system. in the whole ， profibus - dp fieldbus puts parts of the dcs control system ' s function ， that will be realized by the field controller ， down to the industrial field
Profibus - dp現場總線是為適應工業現場的條件，開發的一種通信標準和技術。它的作用就是把現場需要監測和控制的設備按此標準連接到使用嵌入式操作系統的現場控制平臺，實現設備的就地控制。對某些有相互通信要求的現場設備，就可以直接通過profibus - dp現場總線實現獨立相互通信，而不必通過使用嵌入式操作系統的現場控制平臺，提高了工作的可靠性和工作效率。 -
Design of volume holographic storage motion control system based on dsp
的體全息存儲器運動控制系統的設計 -
With the digital control, volume of compressive oil provided by hydraulic power unit in actuator can be regulated to modulate the test load value. in conformity with the idea, we developed two systems - force and displacement control system in this paper
根據這一設計思想，我們依據被控參量開發了兩個液壓加載分系統：力控制系統和位移控制系統，以滿足不同的試驗需求。
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