環電位器 的英文怎麼說

中文拼音 [huándiànwèiqì]
環電位器 英文
ring potentiometer
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。
  3. Drift angle position closed loop control system is achieved with 80c31 as controller, step motor as transact organ and absoluteness coder as measure organ. a large number of dada are obtained in all kinds space circumstance experiments

    設計和實現了以80c31作為偏流角控制器，以步進電機為執行元件，以絕對式編碼器作為偏流角測量元件的偏流角位置閉環控制系統。
  4. A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )

    在yj ?緊裝式六面頂壓機上，對原有的礦物、巖石電性測量系統進行了進一步的改進：建立了一套以solartron1260阻抗增益?相位分析儀為測試儀器，使用mo電極和mo盾來控制樣品氧逸度的測量系統，該系統的氧逸度環境為mo ? moo _ 2 ，接近iw緩沖對。
  5. If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential

    如果被保護的節點的電位是（或接近）零電位，採用地線保護環最為合適；如果節點電位是其他值，那麼可以用高輸入阻抗放大器組成緩沖器，輸入端連接該節點，輸出端連接保護環。
  6. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面，採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機，並採用感應同步器作為角度測量元件，運用軸角轉換器ad2s80a進行角度和速度的輸出，採用技術成熟的pid控制方案，進行速度和位置雙閉環控制，以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  7. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀（ ringlasergyro ，簡稱rlg ）是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器，它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。
  8. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  9. Applying two perpendicular polarized light states and a no - light state to express information, this new theoretical system covers : a ) whole architecture constructed from light processing, light transmission, electric control and photoelectric input and output ; b ) various computing units mainly consist of liquid crystal element and polarimeter ; c ) light bus mainly consists of interlinkage optic valves ; d ) ternary memory formed from semiconductor memory ; e ) register formed from optic fiber ring ; and i ) huge - numeral management based on the new concept of calculating path and calculating channel

    這個理論包括：光處理、光傳送、電控制、綜合輸入輸出的總體結構；以液晶元件和偏振器為主的各類運算器結構；以互連光閥為主的光空間總線；以半導體存儲器為主的三值數據存儲器結構；以光纖環為主的寄存器結構；以算位、算道新概念為基礎的巨位數管理方案等。
  10. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  11. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  12. Hanno factory, shindengen electric manufacturing is located in an area of mountains, forests, and clean water, and as such is engaged in the following activities designed to maintain a clean and beautiful natural environment for future generations, while at the same time sustaining a society in which continued

    位於山水、綠樹環繞的城市飯能的新電元工業飯能工廠通過包括以電子器件產品、通信用整流器、信息產業設備用電源、電子零件、集中管理系統、螺線管等開發、設計為主體的生產在內的業務活動，為能將豐富的自然留給未來而保護自然，以建立能夠堅持持續發展的社會為目標開展以下活動。
  13. Water, and as such is engaged in the following activities designed to maintain a clean and beautiful natural environment for future generations, while at the same time sustaining a society in which continued development is possible, and continuing the present course of development and design of electronic devices,

    位於山水綠樹環繞的城市飯能的新電元工業飯能工廠通過包括以電子器件產品通信用整流器信息產業設備用電源電子零件集中管理系統螺線管等開發設計為主體的生產在內的業務活動，為能將豐富的自然留給未來而保護自然，以建立能夠堅持持續發展的社會為目標開展以下活動。
  14. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時，針對直線永磁同步電動機，仔細考慮了能使伺服系統性能變壞的各種細微因素，如：永磁同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性，電機運行期間存在磁密分佈變化、時間諧波等產生的推力擾動等，採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器，並輔助設計了外環的pi位置控制器。
  15. Firstly according to traditional control theory and design method, the current loop, velocity loop and position loop of ac servo system of machining robot was designed and realized from inside loop to outside loop in this paper

    本論文首先根據傳統的控制理論和設計方法，對切削加工機器人的交流伺服系統從內環到外環依次對系統的電流環、速度環和位置環進行了設計和分析。
  16. Until now, there have had the single way proportional valve controlling the power or the route, double way ratio valve controlling the orientation. they cover flux control, pressure control, velocity control and position control. according to these functions, ratio amplifier has single way or double ways type amplifier

    由於比例閥已經發展出單通道力、行程控制比例閥，雙通道方向控制比例閥，廣泛用於流量、壓力、速度、位置控制等環節中，比例放大器也本著這些功能研製出了單、雙通道的比例電控器。
  17. As a result, a high robust controller was easily accomplished, consisting inner - loop, the current loop, outer - loop, the position loop, pre - filter controller, feedforward controller, repetitive controller, and disturbance observer

    該控制器由內環的電流控制器和外環的位置控制器、前置濾波器、前饋控制器、重復控制器和擾動觀測器組成。
  18. The paper builds up the mathematics model of the electromotor - drive and the turntable, gives the transfer function of the system and designs the velocity loop ' s arithmetic and position loop ' s arithmetic of turntable system. the velocity loop adopts pi control. the position loop adopts pid control

    建立了電機?驅動器及轉臺對象的數學模型，給出了系統的傳遞函數，分別對轉臺控制系統的速度環和位置環進行了設計研究，對速度環採用pi控制，位置環採用pid控制，並詳細介紹了pid演算法。
  19. But its performance is as same as common pll at a 5v voltage. so the pll performance is better than other plls at a 5v voltage, especially in power consumption and frequency. finally, the improved pll circuit used in the frequency synthesizer is composed of the improved vco, phase / frequency detector and charge pump. hspice simulation results show that the pll performance is better than other plls implemented by other vco in the same cmos technology

    綜合以上的研究與設計，本文用所改進的壓控振蕩器、無死區鑒相器及電荷泵電路組成了用於頻率合成的鎖相環電路，並對此電路進行整體設計及模擬，結果表明其在鎖定時間、頻率范圍、輸出相位抖動及功耗方面具有較好的性能，且對提高鎖相環頻率合成器的整體性能有一定的作用。
  20. Next, consulting current feedback control, the flux feedback control algorithm is designed. this algorithm has two loops, the inner loop is flux feedback loop, the outer one is air gap feedback loop ; the outer loop uses pid controller whose output is expected flux density, the inner uses the proportional or pi controller whose output is the magnet control voltage

    其次，參照電流環控制的串級思想，設計出了基於磁通反饋的懸浮控制演算法，該演算法也採用雙環控制，內環為磁通環，外環為位置環;外環採用pid控制器，輸出為期望磁通密度，內環採用比例或比例積分控制器，輸出為電磁鐵控制電壓。
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