控速調節系統 的英文怎麼說
中文拼音 [kòngsùdiàojiéxìtǒng]
控速調節系統
英文
velocity controlled system- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 節 : 節構詞成分。
- 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 ...
- 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
- 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
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Early speed control systems on turbine all adopted pure mechanical hydraulic speed control systems, which had intrinsic defects. for example, the percentage of delay is large, dynamic regulation characteristic is bad, control accuracy is low, the operation is cockamamie, the running and maintenance are not convenient, and so forth. in order to solve these problems, it is necessary to substitute a completely new, advanced speed control system for previous mechanical hydraulic one
早期的汽輪機調速系統均採用機械純液壓調速系統,機械液壓系統具有固有的缺陷,如遲緩率大、動態調節品質差、控制精度低以及操作繁瑣、運行、維護十分不便等,解決這些問題均要求採用一種全新、先進調節系統來取代原有的機械液壓式調節系統。This paper also tested each model and system - the second loop of qinshan nuclear power station ( the second term ) , computed the balance point , tested the performance of step disturbance and runback loads for system ( no adding adjustment system ) , analyzing the factors effecting the first tiptop rotate speed of turb and time which the rotate speed reach the tiptop
在模擬模型上,完成了穩態計算、系統階躍擾動試驗、甩負荷試驗(未加調節系統)等測試,主要監控和分析了汽輪機動態特性中兩個重要參數:汽輪機第一飛升轉速、飛升時間。The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ). in order to improve system performances, design of digital control system based on dsp is presented. the proportional parameter and integral parameter can be obtained through the design
整個系統採用變pi參數轉速調節(外環)與單斬電流滯環調節(內環)相結合的雙閉環控制方式,為了得到既快速又穩定的恆速系統,本文還給出了基於dsp的雙凸極永磁電機數字控制系統的設計方案,通過此設計方案可以得到轉速環的比例參數kp和積分參數ki的參考值。Besides to control rotate speed of electromotor, the control system adjusts wind speed, substantively it is the control of speed press ( v2 = 2q / p ). so, flow field control system adjusts speed press through the control of rotate of electromotor
風洞流場控制系統除對電動機轉速調節外,主要控制風速v ,實質上就是控制其速壓q ( v ~ 2 = 2q p ) ,所以,風洞流場控制系統是通過控制電動機轉速,來調節實驗段內的速壓。At the same time, the paper discussed the establishment of mathematics simulation model for digital governor dgs - 8800 according to the traditional pid control model. it also comes up with the idea of optimizing the speed - adjusting system for the marine main engine by making use of fuzzy control theory
同時,在pid控制模型基礎上,建立了電子調速器的模擬數學模型,提出了應用模糊控制理論來優化船舶主機的速度調節系統的思想。In this paper, some realizing basic principles and technology features of over - speed control system in kinds of domestic and representative units " digital electro - hydraulic control are summarized and discoursed upon
隨著電子控制技術的發展,電超速保護控制系統正替代傳統的機械液壓調節系統,成為汽輪機速度控制的主流。Whith the development of electronic industry, electro - over - speed protection control system takes the place of traditional control system. it becomes the main role of turbine control system. it includes deh ( digital - electro - hydraulic control ) and aeh ( analisys - electro - hydraulic control )
在電超速保護控制系統中,又可分為模擬電液調節系統和數字電液調節系統( deh , digitalelectro - hydrauliccontrol ) ,本課題及開發數字電液調節系統中超速保護裝置。The paper makes simulation for each type of electro - hydraulic regulating system of turbine. the results of simulation show that for the francis and kaplan turbines the contradiction between regulation time and pressure increasing can be solved by logical chosen of feedback adjustment coefficient and control cost - weighting matrix. for tublar turbine the dynamic matrix pi control scheme can effectively solves the difficulty of speed stabling of this type turbine
本文對各種機組調節系統進行模擬,結果表明,對于混流式和軸流轉漿式機組,通過反饋校正系數和控制權矩陣的正確選擇,可以解決調節時間和水擊壓力上升的矛盾;對于貫流式機組,提出了動態矩陣pi控制方案,可以較好的解決此類機組轉速難以穩定的問題。This text will analyze technology requirement and realization way of flow field adjusting system of fl - 8, and expatiate the theory of frequency conversion. ac variable frequency speed regulator controlled by dtc become the key technology of this facility and make it more advantage and credible. new method and tactic to control wind speed was given
本文分析了fl - 8風洞流場調節系統的技術需求和實現途徑;闡述了變頻原理, dtc控制的交流變頻調速器作為風洞流場調節系統的先進性和高可靠性及關鍵技術;提出了風洞風速控制的方法和策略。This system provides precise control and process monitoring, in which the temperature in different area and the pressure in head of machine can be controlled automatically by the computer
本系統要提供精確控制和過程監視。它有自動控制喂料電機、主電機轉速,調節溫度的功能。Then, as the substitute of the traditional pi controller, neuron adaptive psd controller is used to alternate the velocity loop of dc driver system, simulation results show that the super - shoot in new system is small and the performance in the way of anti - disturbance and anti - time - varying parameters are higher than the traditional pi controller and robustness of the dc driver system improved greatly, in addition, through analysis of the character of the neuron adaptive psd controller, the paper presents a neural network self - tuning control method for dc driver system in which the diagonal recurrent neural network is used to identify the plant to calculate the plant ' s sensitivity for psd controllers simulation results indicate that excellent static dynamic target was got with this control method and the performance of the system is improved greatly,
然後,應用單神經元自適應psd控制器改造調速系統的轉速環,代替傳統pi調節方式的轉速控制器。模擬表明,新系統在超調、抗負載擾動和參數時變方面性能優于的傳統的pi控制方式,系統的魯棒性增強。在分析單神經元自適應psd控制器特性后,本文提出用對角遞歸神經網路辯識控制對象,為psd控制器提供靈敏度參數,從而構成一神經網路自校正控制方案。A comparative study and simulation of different control schemes, for the brushless motor variable - speed system, is presented. the simulation results show that, with the outer speed loop based on conventional proportional - integral controller, the dynamic performance of the system is not content, while with intelligence controller, the performance improves, and with variable - structure control with sliding mode, the system response influenced slightly by the vary of the system parameters
本文還對無換向器電動機雙閉環調速系統的不同控制方式進行了模擬比較,結果表明:採用常規的pi轉速調節器,系統的動態性能不是很好;採用簡單的轉速環智能控制器,系統的動態性能能得到一定改善;採用轉速環滑模變結構控制器,系統的響應特性受系統參數變化的影響較小,具有優異的動態性能。The third, the paper analyses and expatiates three mode of speed regulating which are speed negative feedback, voltage negative feedback and voltage negative feedback plus cuttent positive feedback and designs a speed regulating control system adopting the mode of voltage negative feedback plus cuttent positive feedback. at the same time we optimize the speed regulating system using the appraisal software of the performance of wire feeder
再次,從控制論的角度對轉速負反饋、電壓負反饋、電壓負反饋配合電流正反饋等三種轉速調節方式進行了分析論述,採用電樞電壓負反饋配合電流正反饋方式設計了送絲機調速控制系統,並採用送絲機性能評估軟體對調速系統進行了優化。Combining the fuzzy logic and traditional pid control, it makes governor more adaptive to the real operation conditions
它將模糊推理與傳統pid控制相結合,使調速器進一步適應調節系統工況的變化。In order to enhance the rapid reaction performance and regulate the current of main circuit in real time, a current loop ' s controller is set up inside the speed loop, it takes the pi regulator for the current loop ' s controller, which can make the output limited
為了能夠盡量的提高伺服控制系統的反應快速性,並且能夠為了實時的對主電路的電流進行檢測調節,系統在速度環的內部設置一個電流反饋環並且以帶輸出限幅的pi調節器作為電流環的控制器。By using for reference, in theory, simply introduced the basic working principle of the secondary adjusting hydrostatic transmission system, the basic controlling rules of secondary regulation, and the most radical controlling rules such as rotational speed, torque control and power control etc. by analyzing theory and studying, check - uping the motion parts of secondary element and constructing the control system ; and setting up the topmost rotational speed control system ; designing and completing the software of date processing and system control
通過參考相關的資料,從理論上介紹了二次調節靜液傳動系統原理,二次調節系統的基本控制規律,簡要介紹了最基本控制規律如:轉速控制、扭矩控制和恆功率控制等。在理論分析和研究的同時,對二次元件的運動部件的檢測和控制系統進行構建;組建了二次元件最高轉速控制系統;設計並完成了數據採集和系統控制軟體;同時,對二次元件控制系統和制動特性採用pid控制進行計算機模擬研究。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。The traditional pid control and all sorts of intelligent control have their advantages and defects. thinking of the hydraulic turbine governor system is a time mutative, fast unlinearity system, it is necessary to improve its feature and reliability with intelligent control system. therefore, a hydraulic turbine regulator based on nine - point controller is made in this paper
傳統的pid控制無法解決穩定性、準確性、快速性的矛盾,考慮到水輪機調節系統是一個時變、快速的非線性系統,通過智能控制技術來改善其性能和穩定性是非常必要的,所以提出了一種基於九點控制策略的水輪機調節系統。It has been proven that the spread spectrum technologies have good capabilities of overcoming isi in electromagnetic wireless channel. the feasibilities of their applications to underwater acoustic channel have been analyzed, the frequency hopping technology is chosen. instead of using time - frequency diversity, convolutional coding and viterbi decoding are employed to combat signal fading, consequently the bit - rate and bit - error - rate performance of the underwater acoustic voice communication system can be balanced and controlled
由於擴頻技術在抗碼間干擾方面具有優良的特性,因此在分析了各種擴頻技術于本研究應用的可行性之後,確定了跳頻技術作為具體實現方案;在克服幅度衰落方面,選用卷積編碼和維特比譯碼方法來替代原有的分集技術以綜合調節系統的通信速率與誤碼性能,達到差錯可控的目的。The paper improves the arithmetic of dmc and applies it in electro - hydraulic regulating system of turbine and studies on many types turbine
本文將動態矩陣控制演算法進行了改進,並將其應用於水輪機調節系統,對多種型式的機組轉速調節進行了研究。分享友人