速差制信號 的英文怎麼說

中文拼音 [sùchāzhìxìnháo]
速差制信號 英文
speed signaling
  • 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...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  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，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機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，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  2. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  3. With compensation of signal ’ s time delay from different radiating element by phase shifters, phased - array antenna can control array beam easily. because there are no mechanical devices for rotating beam, the phased - array antenna system can scan everywhere in beam covered areas in millisecand by stepping the phase shifters. it improves the tracking velocity of antenna towards the object, and becomes the development trends of weapon system antennas

    相控陣天線利用移相器補償信號到達輻射單元時間的差異，從而控制波束方向;天線沒有機械旋轉問題，只需改變移相器的設定值，波束便可以在毫秒級內掃描其覆蓋空域內的任何地方，提高了天線對目標的跟蹤速度，是目前武器系統天線的發展方向。
  4. This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor. with the high processing ability of dsp, the advanced digital control arithmetic can be realized in the software. also the feasible and effective technique for the time delay compensation of digital control can be achieved

    該放大系統用數字化逆變器來實現電力系統正弦電壓信號功率的放大，利用dsp數字處理器高速的處理能力，可以使系統實現高性能的演算法控制，並且能靈活地對系統的誤差進行補償，從而實現逆變系統的高性能和高精度，為解決電力系統電容式互感器二次側帶負載能力弱的問題進行了有意義的研究。
  5. In direct torque control system, speed sensors are usually used to survey the speed of motor, but speed sensors have many disadvantages, such as inconvenient fixing and maintenance, inaccurate precision. at present it is an efficient and feasible method to estimate speed by using software instead of hardware

    以往在直接轉矩控制系統中採用速度傳感器檢測速度信號，由於測速裝置具有安裝不便、維修困難、測量精度差等缺點，因而採用軟體代替硬體檢測設備辨識速度，即進行無速度傳感器的設計，不失為一種有效可行的速度辨識方法。
  6. For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized

    為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。
  7. Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed

    文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化，從而獲得速度誤差，並自動校正轉速的一種自適應速度調節控制電路。
  8. A unique type of floating controller ; the output may change at two or more rates, each corresponding to a definite range of values of the actuating error signal

    一種獨特類型的浮點控制器，其輸出可以按兩個或多個速率改變，每一速率對應於一個確定的激發誤差信號的值域。
  9. The convergences of the tracking error sequence and the input sequence can be proved by the properties of optimality criterion immediately

    該演算法的收斂速度是指數級的，其輸出誤差序列和控制信號序列的收斂性能夠得到保證。
  10. Applying virtual instrumentation technology, the author designed the hardware and software of the blower performance testing system. in the hand of hardware, testing data is acquired automatically according to press - difference sensor, press sensor and torch sensor ; blower speed is adjusted automatically according to frequency conversion of transducer and working state is auto controlled according to rotating baffle controlled by the step motor

    硬體上採用壓差傳感器、壓力傳感器和扭矩傳感器檢測各試驗數據，實現了試驗數據的自動採集；利用變頻調速技術控制變頻調速器輸出信號的頻率，實現了風機轉速的自動調節；通過設置旋轉擋板裝置並用步進電機控制其旋轉角度實現了風機運行工況的自動控制。
  11. Finally to accomplish the development of air speed measure components being based upon above discussion, the paper chose rationally hardware equipments, such as the tiny pressure difference sensor, the data collection system, the industrial control computer etc, solved the communication interface problems of the hardware platform, compiled the system software of the air speed on - line monitor, and raveled out a series of technical problems about the signal real time conversion, transfer, modify, calculate, display and so on

    在此基礎上，對微差壓變送器、數據採集系統、計算機等硬體設備進行了合理選型，解決了硬體平臺的通訊介面問題。編制風速監測系統軟體，解決信號實時轉換、傳遞、修正、計算、顯示等監測系統二次部分開發的一系列技術問題。
  12. It is one of the important parts for the control of hupqc to detect the reference compensation signal. the predictive strategy is presented based on wavelet theory, that means tracing the fundamental signal and replacing with sampling data every half cycle. the fundamental signal is forecasted step - by - step in a half cycle earlier

    補償指令信號的檢測是電能質量調節裝置的控制環節之一，本文提出了基於小波理論的預測檢測策略，跟蹤基波信號，以半周期為采樣更新速度，應用小波變換法對信號的基波分量進行遞推式預報，並取其與實時信號之差做為參考，然後產主與之大小相等、相位相反的信號作為hupqc的實時補償指令信號。
  13. The controller can guarantee the global boundness of all closed - loop signals, tracking error to converge exponentially to a small bounded neighbourhood of zero

    所設計的自適應控制器既能保證閉環系統所有信號的全局有界性，又能使輸出跟蹤誤差以指數速度收斂到零的一個小鄰域內。
  14. The main achievements are as follows : based on the research of principles and methods of data collection and processing, the dissertation put forward using vxd to accomplish break response of hardware and utilizing control principle of dma to realize data transfer of high speed. so the dissertation conquers the defect of bad real - time characteristic of windows because of multitask function and message mapping and accomplish real - time of collection and analysis. and the dissertation develops the system of signal collection and analysis to test vibration and noise and analyze structure dynamics

    主要工作及創造性成果如下：提出了利用vxd來實現硬體中斷響應，並運用dma控制原理實現了高速數據傳輸，克服了windows操作系統多任務功能及消息映射機制所帶來的實時性差的弊端，從而實現採集和分析的實時性，開發出適用於振動噪聲測試、結構動力學分析和機械在線檢測的信號採集分析系統。
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