電動式定時器 的英文怎麼說
中文拼音 [diàndòngshìdìngshíqì]
電動式定時器
英文
electrodynamic timer- 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...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 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
- 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
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This paper describes an automatic contest robot from the cctv holding “ the first robot tv contest all over the academician ”, describes the function and the realization of the robot in greater detail. the robot adopts two stepper motors in the stepped driving control system and putting - ball control system like fishing, with the control of at89c52 single - chip microcomputer, it can synchronously produce driving pulse for two stepper motors and control the moving of the robot along the predetermined line
該競賽機器人採用步進電機作為行走驅動,釣魚桿式的放球控制系統,在at89c52單片機的控制下,分別為左、右步進電機產生脈沖,控制機器人按照預設的固定路線行走,待機器人到達預定的目標位置后,同時控制多個放球機構,從而能分別將賽球準確地放入到比賽圓筒中。In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。Appling closed loop control strategy in the power factor dynamic compensation system. then the key techniques, for example, the fashion of real time sampling idle current and the fashion of compensation capacitor connected with, the time when the compensation capacitor are thrown up, are researched
針對本系統的應用對象,確定了本系統中所應用的無功電流實時檢測理論和方式、補償電容器接線和分組方式、補償電容器投入時刻的選擇等關鍵技術;並對can技術應用於功率因素動態補償系統進行了研究。Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops
為了方便、有效地測定植物的蒸散,為水分利用研究提供價廉物美、簡單易用的儀器,本研究利用國產的集成電阻應變式稱重傳感器,採用at89c52單片機作為控制單元,結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路,研製了小型自動稱重式蒸散儀。Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable
配有與主機配套的接料牽引裝置和相應的程序介面,既能與擠管主機聯線使用,又可以作單機使用;擴管時管材的移動均採用平移方式,動作平穩準確而且不易損傷管材;這種機型採用紅外線加熱方式且為雙加熱爐型,每個加熱爐都配有中心加熱爐芯;成型方式均採用擴管頭定型方式,管口成型尺寸準確;該機型在控制面板上設有擴溶劑型承介面(直口)和擴彈性密封圈型承介面( r口)的轉換開關,擴管方式選擇十分方便,工藝適應性強;主要的電器控制元件均採用進口元件,系統性能穩定可靠。Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running
本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,
基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch
在大功率恆流充電技術上,成功的應用了交流調壓式恆流技術,可以在8s內讓電容器儲存25kj的能量;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關,使用雙觸發電路,研製出了低抖動、快前沿的高壓脈沖發生器(點火機) ;採用單片機和pld ,研製出了精度為10ns的延時同步機。Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network
當裝置在線運行時,系統中出現的過電壓信號通過分壓器傳遞到同軸電纜,通過觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把數據存盤並以文件格式保存,管理人員隨時通過調用專用軟體調取文件進行各種參數分析。Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system
文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上,提出了一種基於sspd (自掃描光電二極體列陣)與8098單片微處理器自動調焦的整體技術方案,給出了基於圖像高頻成分統計的聚焦判識演算法,在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦,同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。Cool wall wizard dreaming to automatically download various colors wallpaper to work intensely all day into your computer, no longer feel monotonous and boring ; extremely rich in the network wallpaper, the 12 classification, support manually download new wallpaper ; intelligent frame rapid trimming technology, adaptive various popular display size ; timing can be manually or replacement of desktop wallpaper, different timing of the transformation also supports random transform mode ; circle player in the process, support the insertion of local wallpaper, wallpaper and local networks of pictures that turn ; to hide / show desktop icons, wallpaper and user - friendly viewing ; since the launch set to boot, the first time you gave surprise ; cool wall wizard provide three kinds of styles console skin ( white fashion, classic black, gray and elegant ) ; wallpaper borders can set the color to the background transparent desktop text
雪狐酷壁精靈自動下載各類絢麗的壁紙,讓整天對著電腦埋頭工作的你,不再感到單調、無聊;極豐富的網路壁紙庫,十二大分類,支持手動下載新壁紙;智能邊框快速切邊技術,能自適應各種流行的顯示器尺寸;可以定時或手動更換桌面壁紙,提供不同變換時間的選擇,還支持隨機變換模式;循環播放過程中,支持插入本地壁紙,實現網路壁紙和本地圖片的交替顯示;可隱藏/顯示桌面圖標,方便用戶觀賞壁紙;允許設定開機自啟動,第一時間就給你驚喜;酷壁精靈提供有3種風格的控制臺皮膚(白色時尚、黑色經典、灰色典雅) ;還能設置壁紙邊框的顏色,讓桌面文字的背景透明。On the basis of studying the theory of mrp ii, jit and the analysis of state and requirement of the production planning management in machine and dynamicale filiale of china national south aeroengine & machnery company, this article presents a production planning management mode which suits ( he state of the factory, and researches the architecture, function model, information model of the production planning management system running on client / server network. and accomplishes the production planning management system of electric lamp - house equipment which is a mrp application system and meets the requirement of our plant. using the system we can manage production plans and get the information of material short in time. a right management module is given to achieve system security satisfactorily
本文在研究mrp 、 jit理論和分析南方公司機動分公司生產計劃管理現狀和需求的基礎上,提出了一種適合於廠情的生產計劃管理模式,研究了在客戶服務器網路環境下生產計劃系統的體系結構、功能模型、信息模型;通過採用可視化、面向對象的快速開發工具成功地開發了適合於本公司實際需要的mrp應用系統? ?電光源設備生產計劃管理系統,實現了計算機輔助生產計劃管理、缺件情況定時預報等功能;通過用戶權限管理,較好地解決了系統的安全性問題。Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic
空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管Abstract : theoretical distortion of the differential capacitor transducer with arch electrodes is analyzed in quantity while measuring the error motion of spindle
文摘:定量地分析了圓弧極板型差動電容式傳感器在測量主軸回轉誤差運動時的原理誤差。Digital inputs are processed by fpga after being isolated by photocouplers. the results of digital inputs saved in fpga are read by tms320lf2407 periodically. the digital outputs being written to fpga are used to control empcs after being isolated by photocouplers and driven by darlington transistors
由於數字量的路數較多,因此採用了fpga進行擴展和簡單處理,數字量輸入通過光電隔離後送給fpga進行軟體濾波,其結果由tms320lf2407定時讀取; tms320lf2407輸出的數字量先送給fpga ,再由fpga經過光電隔離和功率驅動後去控制機電式功率控制器。Wp201 202 series isolation transformation module adopts miniature guide way type structure surface packing technique, has a great improved anti - interference ability of module, it can to transform analog signal such as temperature, pressure, flow, displacement, standard voltage and current and so on into isalated with it the standard voltage or current signal output and wide use to fields such as metallurgy, chemical industries, petroleum chemical, papermaking and printing dyeing, brewing, tobacco and aerospace base and so on. it may intuitionally indicates measuring value, can modify the parameter, easy to field debugging and operation
智能給定操作器具有萬能分度號輸入的位式控製表所有特點,自動時測量值與給定值比較,決定操作器輸出的正轉或反轉,雙屏數碼管顯示,上屏顯示測量值,下屏顯示給定值,手動時由按鍵操作決定正轉或反轉開關量輸出,與電動執行機構配合可控制系統的液位或溫度等。Heat energy meanings of the meter includ quantity of heat cold. wp201 202 series isolation transformation module adopts miniature guide way type structure surface packing technique, has a great improved anti - interference ability of module, it can to transform analog signal such as temperature, pressure, flow, displacement, standard voltage and current and so on into isalated with it the standard voltage or current signal output and wide use to fields such as metallurgy, chemical industries, petroleum chemical, papermaking and printing dyeing, brewing, tobacco and aerospace base and so on
具有萬能分度號輸入的位式控製表所有特點,自動時測量值與給定值比較,決定操作器輸出的正轉或反轉,雙屏數碼管顯示,上屏顯示測量值,下屏顯示給定值,手動時由按鍵操作決定正轉或反轉開關量輸出,與電動執行機構配合可控制系統的液位或溫度等。Matrix converters have received considerable attention in recent years, but the study focus is on matrix converter per se. a combined control strategy for matrix converter fed induction motor drive system is proposed, which implements both space vector modulation of matrix converter and direct field oriented control of induction motor
摘要提出了一種適用於矩陣變換器供電的異步電動機調速系統的組合控制策略,同時實現了矩陣式變換器的空間矢量調制和異步電動機的定子磁場定向直接轉矩控制。This paper introduced an electric temperature regulator, which can take place of the wdf pressure - type temperature regulator used in the common double - door fridge. the new electric temperature regulator not only has the same temperature characteristics as that of the pressure - type regulator, but also is easy to change the characteristics, according to the requirements of the fridge works. so it greatly quickens the process of production and reduces the produce cost. the electric temperature regulator can also defrost semi - automatically
以市場上最常見的雙門電冰箱為例,設計出了一種可完全取代雙門電冰箱使用的wdf系列壓力式溫控器的電子溫控器,不僅在溫度特性上與壓力式溫控器相同,而且根據冰箱廠家的要求可以很容易地改變溫度特性,省去了壓力式溫控器因改變溫度特性而需要組織生產新零件的程序,加快了新產品配套過程,並降低了生產成本.該電子溫控器同時具有半自動除霜功能,根據需要,可手動啟動除霜加熱器,到達設定溫度時,自動停止除霜分享友人