極化驅動器 的英文怎麼說
中文拼音 [jíhuàqūdòngqì]
極化驅動器
英文
polarization actuator- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 驅 : 動詞1. (趕) drive (a horse, car, etc. ) 2. (快跑) run quickly 3. (趕走) expel; disperse
- 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
- 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
- 驅動器 : actuator
- 驅動 : [機械工程] drive; prime mover
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A non - contact drive and control method on capsule type micro robot was proposed, in which exterior permanent magnet driver was composed of multiple tegular magnetic poles magnetized in radial direction, while interior permanent magnet driver built in robot was in the same structure as exterior one
摘要提出一種以徑向磁化的瓦狀多磁極組成的圓筒式永磁體為外驅動器,以嵌入機器人本體內與外驅動器同磁極結構的永磁體為內驅動器的非接觸式驅動控制方案。To solve the problems above, this dissertation supported by the project of national natural science foundation ( nnsf ) : research on piezoceramic micro - actuator ’ s polarity modeling and controlling method ( code : 60274053 ) focuses on the research of driving and control technique of piezoceramic. the drivers based on voltage, current control had been designed with the high voltage amplifier as core component
針對壓電陶瓷驅動存在的上述問題,本文結合國家自然基金項目「壓電陶瓷微驅動器件極化模型與驅動方法的研究」 (編號: 60274053 ) ,以高壓運算放大器為核心元件,通過分析電壓、電流型驅動器原理及電路參數,提出了一種彌補其不足的復合型驅動方法。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高5 wire rope light is the best of led rainbow light, it is widely used for the decoration of high building 、 crossroads and so on
本產品是led彩虹燈帶是頂極精品,適合超高層建築裝飾。用控制器驅動,有行雲流水之效果,可做成多達幾十種顏色跳法變化。However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方法。This dissertation presented two new methods of robust adaptive track control for a class of mimo strong nonlinear system with external disturbance. one method makes use of taylor approximation principle to linearize the mimo strong nonlinear system at the ideal equilibrium point, meanwhile external disturbance is considered, and then designs two on - line neural network controller respectively, which can dynamically compensate the high order items of taylor series and the control signals at ideal equilibrium point under the drive of state error between linear and nonlinear system. a linear feedback controller obtained by pole assignment and two on - line neural network act on the practical mimo high nonlinear system together, guaranteeing the whole system robust stable and tracking the specified signal ; the other method designs three on - line neural networks for this class of system
本文對於一類含有外部擾動的多輸入多輸出( mimo )強非線性系統,提出了兩種新的魯棒自適應跟蹤控制方法,第一種利用了taylor近似的原理,在考慮了外部擾動的情況下,將mimo強非線性系統在理想平衡點處線性化,分別設計了兩個在線神經網路控制器,在線性和非線性系統之間的狀態誤差驅動下動態補償系統的taylor近似高階項及理想平衡點處的控制信號,滿足極點配置方法的線性反饋控制器和兩個在線神經網路聯合作用於實際的被控mimo強非線性系統,在保證整個系統魯棒穩定性的情況下,能夠跟蹤給定的指令信號;另一種方法是針對這類系統設計了3個在線神經網路,分別實時抵消這類非線性系統中的非線性部分、與控制量耦合的非線性項以及外部擾動,使得受控系統的輸出可以完全跟蹤給定輸入參考信號。After structure design aimed to high transconductance, parameters of device structure are modified in detail. the simulation results of soi nmos with strained si channel show great enhancements in drain current, effective mobility ( 74 % ) and transconductance ( 50 % ) beyond conventional bulk si soi nmosfet. the strained - soi nmosfet fabrication process is proposed with lt - si ( low temperature - si ) technology for relaxed sige layer and simox technology for buried oxide
其次,根據器件參量對閾值電壓和輸出特性的影響,以提高器件的跨導和電流驅動能力為目的設計了strained - soimosfet器件結構,詳細分析柵極類型和柵氧化層厚度、應變硅層厚度、 ge組分、埋氧層深度和厚度以及摻雜濃度的取值,對器件進行優化設計。The methods of determination bipolar inputting control signal, optic - electron coder feedback signal connecting with mcu, dimension ' s unity of inputting signal between feedback signal, zero position orientation, and logical drive are proposed and realized
提出並實現了系統雙極性輸入控制信號采樣、編碼器反饋信號與單片機介面、輸入信號與反饋信號的量綱統一化、零位定位、以及邏輯驅動等處理方法。Mingxin has set up 15 automatic production lines with stable and reliable assembly processes such as to - 251 ipak, to - 251 - 5l, to - 252 dpak, to - 252 - 5l, to - 220, to - 262, to - 263 d2pak, to - 126, sot - 82, to - 92, to - 92sp, sot - 54, sot - 23, sot - 223 to - 247, etc. our major products are all kinds of power, medium and small signal semiconductors including bipolar transistors, mosfet, jfet, thyristor, bsit and power ic, etc. our products are widely applied for computer, telecommunication equipment, home application, motor driver, energy saving light, instruments and meters, controller, dc motor driver, microphone, sound system, electrical control toy and other consumer appliances, etc
Pak to - 126 sot - 82 to - 92 to - 92sp sot - 54 sot - 23 sot - 223 to - 247等15條單機自動化生產線,專業生產各類雙極型晶體管可控硅場效應管mosfet以及bsit功率ic等各類大中小功率半導體器件。產品廣泛地應用於計算機及外圍設備通訊設備家用電器汽車電子綠色照明儀器儀表各類控制器馬達驅動器傳聲器音響系統電控玩具及其它消費電子電器等領域。分享友人