效果電平控制 的英文怎麼說
中文拼音 [xiàoguǒdiànpíngkòngzhì]
效果電平控制
英文
eff- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 果 : Ⅰ名詞1 (果子) fruit 2 (事情的結局; 結果) result ; consequence 3 (姓氏) a surname Ⅱ動詞(吃...
- 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...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 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...
- 效果 : 1. (產生的結果) effect; result 2. [劇] sound effects
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid
利用六偏磷酸鈉作為穩定劑,通過控制反應物的濃度及比例,制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒,光譜測試結果表明,顆粒具有明顯的量子尺寸效應,適當過量的cd ~ ( 2 + )離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能;採用檸檬酸鈉還原氯金酸,制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒;採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120
模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles
對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較,模擬研究和實驗結果表明,當反電動勢的平頂寬度小於107電角時,採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上,更有效地抑制電磁轉矩脈動。Virtual instruments technology was applied to build the measurement and control system and develop the software for the experiment, which improve the efficiency of the study. finally the velocity control experiment of sapc at several flight states was accomplished which has a good effect. the study has certain significances on developing electronic - electric cpcs
構建基於虛擬儀器技術的測控平臺,採用labview軟體開發測控軟體,利用實驗室的現有條件,結合某型電子/氣動式壓調器的實驗,完成了飛機在各種飛行狀態下所需的大氣壓力模擬艙內的壓力控制,取得了較好的效果。Fixed camera fastening its interior is loaded with an electric motor, on installs the good camera after the level to be possible to adjust the angle which the camera deals with, after achieved the best surveillance effect may accept the automatic control regulator by the electric motor the signal precisely to move the localization in under the control signal function, the camera already may automatically carry on the horizontal scanning to monitor the region, also may in under the monitoring center attendant s operation the moving surveillance object input voltage : ac 24v 50 60hz, 110v 60hz, 220v 50 60hz external dimensions : 119mm 115mm is high the weight : 0. 9kg material : abs high strength casts takes shape the degrees rotation : level biggest : 350, vertical 90 may adjust the velocity of whirl : 5 second 4 seconds revolve the spacing : exterior spacing card tunable load : 7kg function input plug : 1
Kl - 306室內水平雲臺是安裝,固定攝像機的支撐設備.它內部裝有一電動機,在水平雲臺上安裝好攝像機后可調整攝像機俯仰的角度,達到最好的監視效果后可由電動機接受來自控制器的信號精確地運行定位.在控制信號的作用下,雲臺攝像機既可自動進行水平掃描監視區域,也可在監控中心值班人員的操縱下跟蹤監視對象Measured results showed that the dl - a device with its structure as following ito / npb / alq / mg : ag was far more superior to sl device with the structure of ito / alq / mg : ag because the dl - a device better balanced energy band between each each layer and the mobility of carriers ( electrons and holes ), which led to the combination of carriers taking place in the bulk of emitter and avoided the excitons being eliminated by the electrodes which easily occurs in sl devices. as to the doped devices, measurements demonstrated an excellent device with its maximum brightness was 25000cd / m2
研究結果表明, dl - a型雙層結構器件ito / npb / alq / mg : ag的各項性能指標明顯優于單層器件ito / alq / mg : ag ,因為前者有更好的載流子遷移率匹配以及能帶匹配,因此平衡了復合的載流子數目,並且能將復合區有效控制在發光層內部,有效避免了表面的大量缺陷以及電極猝滅效應,提高了載流子的復合效率,從而提高了器件的發光性能。The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system, to improve the level of automatization and efficiency and to reduce the consumption of energy. the result of the study also shows that the system of feeding has the properties as followed : fast respone, stable pressure - adjusted characteristic, distinct effect of energy - saving, some improvement of system efficiency
研究結果表明:全液壓鉆機中應用電液比例技術,可以簡化系統組成和操作,提高鉆機自動化水平,提高系統效率,降低發熱和溫升;採用恆壓變量泵的給進加壓電液比例控制系統調壓性能穩定、響應快、節能效果明顯。This thesis focuses on the study, implementation and improvement of a dsp based digital controller
本文採用數字信號處理器dsp建立數字控制平臺,將開關電源的控制數字化,取得了良好的控制效果。Incorporation of kones mature escalator technology, advanced micro - computer control system, high strength truss structure, classical driving system, and completed safety devices, fully ensure our products safe, reliable, endurable and bring steady and comfortable riding. refine craftwork, fluent lines and elegant style form the combination of practical riding function and visual enjoyment. frequency conversion technology selected makes the escalator more energy - saving
引進通力成熟的自動扶梯技術,採用先進的微機控制系統,高強度的桁架結構經典的驅動技術完善的保護裝置,使產品安全可靠耐用,乘坐平穩安靜舒適精緻的工藝流暢的線條優雅的造型,使產品兼有乘坐的實用功能與視覺的裝飾效果變頻驅動的選用,使產品省電節能,而室外型自動扶梯能經受各種氣候環境條件考驗。( 5 ) the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure which is suffered from earthquake. the results of an example illustrate that this intelligent control devise can effeiciently reduce the structual translation - torsion coupling responses induced by earthquake
( 5 )利用一類壓電材料控制器對平移-扭轉耦聯的框架結構進行了主動隔震研究,並對其進行了模擬分析,結果顯示出良好的隔震效果和應用前景。The concrete design method of the votating speed difference frequency fuzzy controller is studied in detail. based on single - chip microcomputer 8031, using table look - up method, votating speed difference frequency fuzzy controller applied to induction motors is implemented. simulation result demonstrates that the control result for the producing plastic flat yarn of votating speed difference frequency fuzzy control to the speed of induction motors is idealer
本文對轉差頻率模糊控制器的具體設計方法進行了討論:以單片機為核心,用查表法實現異步電動機轉差頻率模糊控制;最後,結合工廠塑料平膜拉絲機驅動電機參數對系統進行了模擬,分析了轉差頻率模糊控制對異步電動機轉速的控制效果,結果是比較理想的。In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1
本文根據探地雷達系統工作原理,在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,定位輪、目標定位、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方位、距離解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠定了重要的基礎。The topic is from the national " 973 " project " the new principles and methods of high - performance electronic components of digital product design manufacturing ". closely combing with the high - speed high - precision planar parallel position robot developed by the project, we have carried out a deep research on robot control system architecture, time - optimal control algorithm and servo system control algorithm, achieving high - speed and high - precision point to point control and trajectory tracking control
本課題來源於國家「 973 」計劃項目「高性能電子產品設計製造精微化數字化新原理和新方法」 ,密切結合該項目所開發的高速高精度平面並聯定位機構,對機器人控制系統體系結構、時間最優控制演算法以及伺服系統控制演算法進行了深入的研究,實現了高速度、高精度的點位控制和軌跡跟蹤控制效果。Results of the experiment indicate that with speed sensor, the algorithm described in this paper can achieve favorable result, and the system has good torque response as well as smooth speed response
實驗結果表明,在有速度反饋時本文提出的控制方法能取得較好的控制效果,控制系統啟動快,電機轉速平穩,噪音小。The actuators are nozzle vetor controller, rotational measuring valve controller and vane controller. the smart actuators are capable of data collection, self - calibration, power - on self - test and local close - loop control, etc. a simplified mathematical model for the vector nozzle is constructed, and the relationship between the state of vector nozzle and actuator cylinders ’ position is obtained. the effect of the position controller is tested
實現了智能執行機構的數據採集、自校準、上電自檢測和局部閉環控制等功能,建立了矢量噴口實驗件的簡化數學模型,推導了矢量噴口狀態和作動筒位置之間的關系,並在含實物平臺上對位置控制器的效果進行了實驗驗證。According to the characteristic of nine - area diagram of substation vol / var coordinated control, this system gives the defination of fuzzy sets and the degree of membership of input / output variables, and designs corresponding control rules. the results of simulation demonstrate the system can satisfy the constrains of the day - adjusting times of the switching of on - load transformer and paralleled compensation capacitors, and ensure voltage quality, reactive power basical balance. considering the var requirement in different load time period and the control demand in load saltation, a improved control scheme is provided. the results of simulation show the improved scheme can meet the demand of vol / var in different load time period, protect the wrong operation when either voltage or reactive power appears saltation, and decrease the times of regulation of the switching of on - load transformer and paralleled compensation capacitors finally, a background software module of substation vol / var coordinated control is designed, based on the supervisory control and data acquisition system of substation
模擬結果證明該系統能在各種負荷條件下確保電壓合格和無功基本平衡,且能滿足變電站對有載調壓變壓器分接頭日調節次數和並聯補償電容器組的日投切次數的限制。通過考慮不同負荷時段對無功功率的需求和負荷突變情況下的控制要求,對上述模糊控制策略進行了改進,模擬結果證明改進后的控制策略能滿足不同負荷時段對電壓和無功的要求、抑制電壓或無功突變情況下的誤動作,且有效地減少了有載調壓變壓器分接頭和並聯補償電容器組的調節次數。最後基於變電站scada系統設計了一后臺電壓無功綜合控制軟體模塊。Fourthly, by theoretical calculation and experimental measure, the characteristics of the plate lamina are acquired. finally, experiments for plate lamina using gfc are carried out, and the results show that the designed system can control very well not only the vibration of plate lamina but also the adaptive lamina
最後建立了基於計算機的振動控制實驗系統,運用灰色預測控制演算法gfc ,對分佈有壓電傳感器和驅動器的平板葉片前兩階彎曲和前兩階扭轉模態進行了單頻控制,並對實驗效果進行了分析。In designing the stage controlling system, brake motors are used in place of traditional hydraulic power transmission, combined with frequency conversion technique, computer controlling technique, realizing the smooth control over the elevating orchestra. on - the - spot debugging and operation show that it is desirable in effect, reliable in operation, smooth in starting and stopping, accurate in leveling with the surface of the stage, thus, fulfilling the anticipated requirements
在設計舞臺控制系統中,本文用制動電機傳動取代了傳統的液壓傳動,並結合了變頻技術、計算機控制技術,實現了對樂池升降的平穩控制,經過現場調試和使用,控制效果理想,運行可靠,啟動停止平穩,平層準確,達到了預期的要求。We take the peak current controlled dc / dc boost converter as an example. we compare and analyze power spectrum of input inductance current quantitatively of chaotic operation and periodic operation of converter. the computer simulation results demonstrate that power spectrum of input current has lower peak of power spectrum of chaotic operation than it of periodic operation, and then emi level is reduced
以一個峰值電流控制dc dcboost型變換器為研究對象,在分析電路混沌現象的基礎上,分別對該電路工作于混沌和周期兩種狀態下的輸入電流頻譜進行了定量分析對比,證實了在相同輸出電壓條件下,工作于混沌狀態下電路輸入電流的頻譜與工作于周期狀態下電路輸入電流的頻譜相比,頻譜峰值減小,具有降低emi水平的效果。For maximum performance, the idea is to keep the master control as clockwise as possible, and the left and right level controls as counterclockwise as possible
為了達到最佳效果,建議你盡可能將主音量控制器往順時針方向調較,而將左右電平控制往逆時針方向調較。分享友人