電液隨動系統 的英文怎麼說

中文拼音 [diànyèsuídòngxìtǒng]
電液隨動系統 英文
electrohydraulic servo system
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 液 : 名詞（液體） liquid; fluid; juice
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor

    水輪機調速器是水輪發電機組一個很重要的自動化調節設備，它由調節器和電液隨動系統組成，在調速器安裝或者大修后都要對其性能和特性進行全面測試，為了方便對水輪機調速器的測試，特開發水力機組調速系統實時動態模擬儀，該模擬儀具有三種功能：對調速器調節對象（有壓引水系統、水輪機、發電機和電網）進行模擬、對調速器電液隨動系統與調節對象進行模擬和作為實時測試系統監測調速器的工作是否正常。
  2. Today, liquid crystal, a new functional material, has been applied more and more widely. on the side of display, owing to stable frarne, absolute environmental protecting, save electric energy and no tire for user, liquid crystal display keeps ahead among the range of display. with the developing of the technology of liquid crystsl, lcd will must substitute for crt and become the chief in market. in additin, liquid crystsl light filers which have been used in optic communicatins and light information handling, emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity. they manifest a series of merit, such as narrow band wide, deterioration low, wide tuning domain, simple structure and low cost, so liquid crystal light filter draw attention of many country

    現在，液晶作為一種新型功能材料越來越得到廣泛的應用，在電子顯示裝置中，液晶顯示器以其畫面平穩、真正安全環保、省電和使用者不易疲勞等優點領先於顯示器的行列中。隨著液晶技術的發展，液晶顯示器將取代crt顯示器逐步成為未來市場的主流。此外，應用於光通信和光信息處理中的電調諧液晶濾光片，採用液晶材料的雙折射和電光效應與傳統f - p腔相結合，表現出窄帶寬、低損耗、調諧范圍寬、驅動電壓低、結構簡單、低成本等一系列優點，而日益受到各國研究部門的關注。
  3. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  4. Remote control construction machinery will be more and more widely used along with development of technique and perfection of function of wireless control system and electro - hydraulic control system. the remote controlled trimming dozer is remotely controlled by signal that is transferred by electromagnetic wave and sent into driver - electro - hydraulic control system

    隨著無線電控制系統和電液控制系統的技術發展和功能完善，遙控型工程機械應用范圍將越來越廣泛，遙控型推耙機通過電磁波傳輸控制信號並將控制信號送入驅動執行器?電液比例控制系統以實現遠距離控制。
  5. 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。
  6. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  7. Along with the raising of parameter and the increase of unit capacity, it is more and more complex to start and run, the safety of unit also becomes more and more important the mechanical regulating system of fluid pressure type that adopts always can not be already complete to satisfy the requirement of production, especially the generation set of large scale power plant

    隨著機組容量的增加和參數的提高，啟動和運行變得越來越復雜，機組的安全性也變得越來越重要，一直採用的機械液壓式調節系統已不能完全滿足生產的要求，特別是大型火電發電機組的要求。
  8. With the scale of social production extends and the production horizontal exalts, the electricity control technique and the hydraulic technique all develop very quickly. electricity control technique developed from the relay system to the direct digit control ( ddc ) system the disperse control system ( dcs ) to the fieldbus control system ( fcs ). the modem hydraulic control technique have developed to a complete automation which include of transmit control testing computer technique, and gradually turn to the digit control and full - automatic control

    隨著社會生產規模的擴大、生產水平的提高，電氣控制技術和液壓技術都在非常迅速的發展。電氣控制從繼電器控制系統發展到直接數字控制（ ddc ）系統、集散控制系統（ dcs ）到目前的現場總線控制系統（ fcs ） 。現代的液壓傳動及控制技術已發展成一門集傳動、控制、檢測、計算機一體化的完整的自動化技術，並逐步趨向數字控制和全自動化。
  9. Based on it, a new - style step - type electric - hydraulic servo is developed which simplifies the structure and improves the reliability of the governor, and the mathematical model and its stability control equation are obtained

    在此基礎上，提出一種全新的步進式電液隨動系統，使調速器整機簡單可靠；同時在建立該隨動系統數學模型的基礎上，得出了其穩定性控制方程。
  10. Its perfomance indexs directly relate to the fidelity of simulation results. with the present increasingly austere international situation and the development of modern military techniques in china, the demands for technical level, applying range and request for simulator become higher and higher. based on this background, middle hollow electrohydraulic servomotor directly driving simulator and its control system are studied in the article

    隨著當前國際形勢的日益嚴峻和我國現代軍事技術的不斷發展，對模擬轉臺的技術水平、應用范圍和使用要求不斷提高，在此背景下，本文進行了模擬轉臺直接驅動式中空電液伺服馬達及其控制系統的研究。
  11. After analyzing the traditional methods of generating exciting signals in vibration control system of electrodynamic ( electrohydraulic ) shaker, a new method of adjusting the skewness and kurtosis of exciting signals by second phase modulation is proposed. based on this method, a new algorithm for generating super - gaussian and quasi - random vibration exciting signals with specified psd, skewness and kurtosis is proposed. simulation and experimental results validate the algorithm

    2 .通過分析目前電動（液）振動臺數字式隨機振動控制系統中廣泛採用的激勵信號生成原理，在其基礎上提出了一種通過二次相位調制來控制激勵信號峭度值和偏斜度值的方法，分別得到了頻譜可控的對稱和非對稱分佈超高斯偽隨機激勵信號生成演算法，並進行了數值模擬和試驗驗證，為研究頻譜可控的超高斯真隨機激勵信號生成技術奠定了基礎。
  12. The codes of the software were developed after the mathematical models of controlled objects and electro - hydraulic servo system are successfully constructed. through the closed loop simulation test ( based on parameters of an actual hydroelectric power plant ) of the simulator linked with the pcc regulator, the effectiveness of the simulator software and pcc regulator software is confirmed

    在建立調節對象和電液隨動系統的數學模型后完成模擬儀軟體的編制工作，並將模擬儀和微機調節器進行閉環對接，利用某真實電站的參數進行模擬試驗，對模擬儀軟體和微機調節器軟體進行測試，驗證其有效性。
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