control impedance 中文意思是什麼
control impedance
解釋
控制阻抗-
For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。 -
Electric arc furnace ( efa ) system is a complex plant, which exits serious non - linearity, time changing, strong couple. the constant impedance control method, which base on classical control theory has been used widely
電弧爐系統是一個具有較強非線性、時變性和強耦合的被控對象，目前普遍採用的是基於經典控制理論的恆阻抗控制方式。 -
This is a low impedance discrete level control which sits between the preamp active circuitry and the input to your power amplifier
這是一個位於前級有源電路和后級放大器輸入端之間的低阻抗的音量控制。 -
Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system
統一潮流控制器（ upfc ）是功能最強、最具發展潛力的靈活交流輸電系統（ facts ）控制器之一，如果在常規條件下，用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能，在發生單相永久性接地或單相斷路故障時，由傳統的三相跳閘改為單相跳閘，用upfc的並補來濾除兩端系統的零序和負序電流，用upfc的串補來提高輸電線的傳輸功率，以實現兩相長期運行，那麼輸電系統的穩定性、可靠性將大大提高。 -
Control output : relay contact ac250v 7a impedance control meaus : 2 - on off control
Xmt - 3000單排數顯溫度控制儀 -
Total range of the input control output : relay contact ac250v 7a impedance control meaus : 2 - on off control power : ac85 to 220v 50 60hz
Xmts - 3000單排數顯溫度控制儀xmts - 3000單排數顯溫度控制儀 -
Basic error : 0. 5a dot of the total range of the input control output : relay contact ac250v 7a impedance control meaus : 2 - on off control power : ac85 to 220v 50 60hz
Xmtd - 3000單排數顯溫度控制儀xmtd - 3000單排數顯溫度控制儀 -
To control impedance, maintain trace widths and trace spacing
為控制阻抗，維持一定的線寬與線距。 -
Do you perform the impedance test and your capability & frequency ? please describe how to control impedance and retain the coupon sample
是否有做阻抗測試?頻率和能力如何?請描述你們怎樣控制阻抗和保留的樣品 -
The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network
無源支路在補償無功功率的同時還可以濾除因非線性負載產生的特徵諧波電流，為了抑制無源支路跟電網等效電感產生的諧振現象以及改善無源濾波器的濾波性能，系統中採用諧振注入式有源濾波拓撲。 -
An intelligent force / position control strategy based on impedance control was proposed to improve the control performance in robotic deburring process by employing a fuzzy impedance controller and a fuzzy velocity controller
摘要提出了一種面向機器人參與機械加工的智能柔順控制策略，通過一個模糊阻抗控制器和一個速度控制器，該策略被應用於機器人切除毛刺操作中。 -
The purpose of the thesis is to develop a new type of intelligent high - power ultrasonic power supply, which has many excellent performances. it includes : （ 1 ） the article firstly analyses the electrical impedance and working characteristics of ultrasonic vibration system. based on these, the overall scheme of power supply has been set up and operational principle of control systems has been proposed
本文旨在研製一種多方面性能優越的新一代智能化大功率超聲電源，內容包括： （ 1 ）在分析超聲振動系統的電聲特性和工作特性的基礎上，構造了智能化超聲電源總體設計方案，提出了控制系統的工作原理。 -
The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential
Dms網路分析的基本軟體有：網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有：負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具，通過它可以了解和掌握當前的運行狀態，從而挖掘安全和經濟方面的巨大潛力。 -
Compared with the similar research results, the weighted control ic here has the following characteristics : ( 1 ) the circuit structure is simpler ; ( 2 ) the chip ' s fabrication is compatible with standard cmos process ; ( 3 ) n - mosfets with high w / l ratio and short channels are used for weighting and output to reduce the insertion loss ; ( 4 ) the weighting factor varies in a relatively wide range with the controlling signals ; ( 5 ) input and output impedance approach 50 in low frequency ( e. g. 50mhz ), while in higher frequency they slightly deviate from 50, hence the energy reflection lower than 0. 1 ; ( 6 ) it completes the functions of sampling, weighting, controlling and summing of high frequency analog signals
它的加權控制電路與已報道的相關電路相比具有如下特點：電路結構簡單；製造工藝與普通cmos工藝兼容：短溝道，高寬長比的nmos晶體管具有低的通導電阻，將其作為加權、輸出器件可降低由電路引起的插入損耗；改變加權信號，可實現權值在較大范圍內的連續變化；輸入、輸出阻抗在低頻（如50mhz ）下接近50 ，而在高頻下略有偏離50 ，但反射系數均低於0 . 1 ；實現了對高頻信號的取樣、加權、控制、疊加功能的迭加。 -
This method applies ward - pv equivalent principles to determine the injection power and equivalent impedance of external network boundary buses, and then predictor - corrector primal - dual interior point method of discrete control variables to address the sub - problem of reactive optimization of equivalent network
該方法採用ward ? pv等值原理來確定外部網路邊界節點的等值注入功率和等值阻抗，再應用考慮離散變量的預測-校正原對偶內點法來求解等值網路的無功優化子問題。 -
Total range of the input control output : relay contact ac250v 7a impedance control meaus : 2 - on off control power : ac85 to 220v 50 60hz size : 96 96 80
觸點容量： 7a阻性調節規律：位式控制或時間比例控制 -
Then an impedance control strategy with robust performance is presented aiming at uncertainties of robot, fnn is used to learning the uncertainties in order to eliminate disturbance, which have good robust and high value in practice. finally, an adaptive method is presented
為此，本文又在機器人阻抗控制的基礎上，針對機器人和環境的不確定性，提出一種具有魯棒性的阻抗控制結構，使用模糊神經網路作為補償控制器消除力控制中的所有不確定性，具有較強的魯棒性和較好的實用價值。 -
In this paper the shortcomings of the constant impedance control method has been analyzed, in accordance with efa system " s characteristics, requests of design and developing direction of efa control system an intelligent control method has been proposed. based neural network the model of the efa is established, which can pre - estimate the echo of control variable of efa. by analyzing the result of pre - estimate the control variable can then be adjusted in real time
本文分析了電弧爐恆阻抗控制存在的不足，在此基礎上針對系統的特點和控制要求，參考國內外電弧爐控制的研究發展方向，提出了一種基於神經網路的電弧爐控制方法，即利用神經網路建立電弧爐模型，並對系統的響應進行預估，將對預估值和期望值進行比較計算並對實際控制量進行校正。 -
Because the synthetic seismic record and the seismic record data got in the surface are not well matching caused by the dispersion of seismic wave, frequent correction between them must be done before use. under control of well logging data, there are two important methods to get wave impedance from seismic data inversion : wave impedance inversion method based on convolution model and wave impedance inversion method based on wave equation. using seismic data attributes can predict the information of logs
測井資料和地震資料是地震勘探中兩種最重要的資料，由於地震波的頻散，使合成地震記錄與地面地震記錄不能完全匹配，因此使用之前必須對二者進行頻率校正地震資料在測井資料約束下可以進行反演，以求取地下波阻抗，主要有兩種方法：基於褶積模型的波阻抗反演方法和基於波動方程的波阻抗反演方法可以用多屬性變換由地震資料預測測井信息。 -
16 mega dynamic unit impedance design makes the volume control easy
16兆大動態單元阻抗設計，配量更加方便。
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