高速壓干機 的英文怎麼說

中文拼音 [gāogān]
高速壓干機 英文
high speed drying press
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 壓構詞成分。
  • : 干Ⅰ名詞1 (事物的主體或 重要部分) trunk; main part 2 (幹部的簡稱) short for cadre Ⅱ動詞1 (做...
  • : machineengine
  • 高速 : (高速度) high speed; high velocity (hv); high rate; swift; fast; express; high-speed
  1. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中,採用的dsp處理器,實現了對故障特徵信息的採集與處理;採用大功率的功放晶元與變器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主與多探測器之間的主從式通訊網路,實現了多擾條件下裝置主與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主及探測器的軟體程序。
  2. 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、發電q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、械功率pm 、汽門開度、端電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的非線性綜合控制器及端電最優控制器,通過模擬實驗與採用常規的按電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電力系統的暫態穩定性,並且在電力系統遭受小擾時同樣具有良好的調節性能。
  3. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校正和噪音制技術等;疊前拓寬地震資料領帶,包括振幅補償和疊前反褶積技術等;藉助精度度分析、剩餘靜校正和次項nmo技術,通過多次覆蓋疊加,消除資料中隨噪聲擾、提資料信噪比,尤其是頻端反射信息的信噪比,改善頻反射和弱反射信號信噪比,提頻反射死亡線」 ;疊後有限反射頗帶識別、抬優勢頻率等。
  4. 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

    單片以其體積小、價格低、抗擾性好等特點,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單片系列是美國microchip公司推出的,採用risc結構的性價比嵌入式控制器,其度、低電工作,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、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。
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