工作轉換開關 的英文怎麼說
中文拼音 [gōngzuòzhuǎnhuànkāiguān]
工作轉換開關
英文
function switch- 工 : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
- 轉 : 轉構詞成分。
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 關 : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
- 轉換 : change; transform; convert; switch
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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。Basing on the requirement of the project supported by chongqing science and technology committee, the study and development on original non - frictional and sequential operation ' s stepless speed regulator, the author has made some analysis to the physical principle and speed adjustment principle. in addition, as the main part of stepless speed regulators, the transformer was more concerned in the study. after probing the creation of its structure principle, this paper reveals its structure and dynamics rule, and creates a dynamics model and synthesis model of transformer
根據重慶市科委技術攻關項目《新型非摩擦式連續作用機械無級變速器的研製與開發》的要求,對該無級變速器的工作原理、調速原理及工作性能進行分析,並著重對無級變速器的核心部件轉換器進行分析,對其結構原理創新進行深入的探討,揭示了其結構及運動學的實質;建立了轉換器的運動學模型和綜合模型;對以轉換器這類以連桿作為輸出構件的曲柄搖桿機構的運動規律及其影響因素,首次進行了較深入、系統的分析研究,得出了一系列以連桿作為輸出構件的曲柄搖桿機構的運動規律。The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on
本文首先回顧了濾波器設計的國內外研究背景和現狀,介紹了本課題提出的意義以及本文的主要工作,論述了開關電容網路原理和基本開關模塊,分析了開關電容濾波器設計的相關因素:電路結構的選擇,對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮,開關的打開電阻對電路的影響,開關電容電路中怎樣減少電荷注入和時鐘饋通,以及整個電路的功耗問題和采樣頻率的選擇等。With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency
隨著電力電子技術進一步向高頻的大功率用電領域發展,功率mosfet在各種電力半導體器件中的重要地位日益顯著,使用功率mosfet作為開關器件的功率轉換電路也日益增多,但隨著器件開關頻率的提高(大於200khz ) ,由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率,特別是在以mosfet作為開關器件的高頻感應加熱電源中(工作頻率可達兆赫) , mosfet在開關過程中的能量損耗嚴重影響到電源的效率,因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program
本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器,選用了採用二進制循環碼編碼的絕對式旋轉編碼器,研究了將二進制循環碼轉換為二進制數的方法,根據轉換公式設計了plc的梯形圖轉換程序。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。Although our country is preliminary in the amtec technology, the correlative technology research has good foundation in our country. there are manufacturers and research schools can produce the solid electrolyte and other material. we can carry through and extend this technology so long as we can corporate with these manufacturers and schools
我國在amtec技術領域的研究工作基本處于起步階段,但國內的相關技術研究已經具備了很好的基礎,目前已有生產廠家和研究院所生產固體電解質等相關材料,與這些生產廠家和研究院所開展技術合作,我們就可以進行這種能量轉換技術的研究和推廣工作。Its control precision must fit a certain extent standard. now, proportional hydraulic valve which developed from the general hydraulic valve is applied in ali kind of control scopes. it uses proportional electromagnetic iron to change the electron signal into mechanical signal instead of the manual adjuster or general switch electromagnetic iron
現在工業生產中得到廣泛應用的比例液壓閥多是在普通液壓閥的基礎上,採用廉價而可靠的比例電磁鐵作為電-機轉換元件,把電氣控制信號轉為機械信號,以代替原閥內的手動調節器或普通開關式電磁鐵。Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum
文章對相關的理論進行了陳述,以作為系統開發的理論依據,重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式,以及有關的負反饋控制方式,模擬信號的離散與量化,模數轉換、數模轉換、編碼譯碼的概念,及模擬信號采樣的基本原理? ?采樣定理,並以載荷譜法為例,簡述了所研究的系統將要採取的工作方式及工作過程。The functions of system controller are mainly finished by dsp and cpld. the functions, such as the realization of closed - loop and calculation of the modulation duties online, are finished in dsp. the responsibility of cpld mainly is switch control signals transition
其中,系統的控制器功能主要由dsp和cpld完成, dsp實現系統閉環並實時計算調制占空比等功能, cpld負責開關控制信號的譯碼轉換等工作。We also give the reliability analysis of cold -, warm standby repairable system of two components with continuous lifetime switch and priority, under the condition that the operating time and maintained time of the two components and the lifetime and repair - time of the switch are all exponential distributions. all the variables are independent, and the lifetime of operating components have nothing to do with its maintained time, and the failure components and switch can be as good as new after repair
對于由兩個不同型部件組成的、有優先權的、開關壽命為連續型隨機變量的冷、溫貯備可修系統,本文在兩部件的工作時間、維修時間以及轉換開關的壽命和修理時間均服從指數分佈、所有隨機變量均相互獨立、工作部件的壽命分佈與其貯備時間無關、故障部件和轉換開關均可修復如新的情況下作了研究。Finally, th e design of low voltage low power current mode cmos circuit is discussed, the design is base on a novel structure which converts serial switches to parallel switches, allows the circuits to perform under lower source voltage which makes low power consuming possible, examples and simulation results are also given to prove the low power character can be reached
論文最後還討論了低電壓低功耗電流型cmos電路的設計,這一設計巧妙地將電路中的串聯開關轉換成並聯開關,使電流型cmos電路能在更低的電源電壓下工作,實現了電路的低功耗設計。論文中給出的設計實例和模擬結果驗證了基於並聯開關的電流型cmos電路的低功耗特性。It ’ s a 16 / 32bits risc cpu based on arm920t ip core, which is highly integrated and powerful. this cpu has a lot of peripheral interfaces and i / o ports, which will facilitate our system design. the asic ime6400 is a system level chip which supports the multi - channel mepg4 video / audio compression. in our design, it ’ s served as an video compression oriented co - processor working under the control of s3c2410x. s3c2410x will do the job of importing the other vehicle traveling data such as analog and switch signals
在筆者設計的系統中, ime6400作為專門進行數字視頻信號壓縮的協處理器,與s3c2410x協同工作,完成視頻信號的獲取,壓縮等工作;同時利用晶元的片內外設(如ad轉換器和i / o口) ,完成汽車行駛過程中開關量和模擬量的獲取和存儲,以滿足一個記錄儀的基本功能需求。The process of recording everything pertinent to a machine run, including identification of the machine run, recording the alternation switch settings, identification of input and output tapes, copy of manual key - ins, identification of all stops, and a record of the action taken on all stops
有關計算機運行的全部事項記錄的過程,包括計算機運行的標識、記錄轉換開關的置位、輸入輸出帶的標識、人工鍵入信息的拷貝、所有停止的標識以及所有為停機所採取的動作記錄。Sgk - b250 plastic pipe belling machine attribute semiautomatic opportunities for the single - use. such models use infrared heating, molding method adopts expand the headers to finalize the design, orifice size precise shape. the control panel don ' t have the conversion switch to control over the type of solvent for expansion socket ( vertical ) and ring - for flexibility expansion socket ( r ). expanding way is very easy choice and technics adaptability is strong, the main electrical control components are imported, system performance is stable and reliable
B250塑料硬管擴口機,屬半自動型作單機使用,擴管時管材由人工搬至擴管工位:這種機型採用紅外線加熱方式: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沒有擴溶劑型承插口(直口)和擴彈性密封圈型承插口( 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。Net. it is devided into two main parts : internal supply information management module and external internet - based material collaborative purchasing platform. the main content of this design includes : ( 1 ) knowledge and analysis of the process of purchaseing plan in the company ( 2 ) system design of material purchasing management system, detail design of material purchasing management system, ( 3 ) system implementation in the company, including data backup and conversion, and the interface with the original system original thought in this research is : using a collaborative commerce platform as a connection between internal material supply management module and and external supplies
本論文的研究工作主要包括以一幾個方面: ( 1 )對科龍空調公司供應科進行調研,針對目前物料需求計一劃和物料采購計劃的制定和運行等過程進行分析,完成需求分析報告; ( 2 )完成物料協同供應管理系統的分析、設計和開發等研製任務; ( 3 )物料協同供應管理系統的實施、試運行和正式運行,其中關鍵是數據準備和歷史數據的轉換,解決與公司正在運行的mrpi工系統的數據介面,在試運行期間調試系統。At the same time, scholars found some deficiencies of the object oriented framework, such as " excessive proliferation ", " fragile base class ", implicit architecture " and etc. combining the research practice in the national 863 project - " domain oriented application framework and component technology ", the author have done some deeper study on the concept, structure and development methods of framework while studying the software component. accordingly this paper put forward the idea of adopting the component - based framework, that is the developer can transfer the object oriented framework into the component - based framework through replacing overloading of method in component interface. the latter is more flexible and easier to be used than the former
本文結合作者在北京大學參加國家863項目「面向領域的應用框架和構件技術」的研究工作實踐,在對軟體構件進行研究的同時,對框架的概念、構造以及開發方法等相關問題進行了較為深入的研究,從而提出了採用基於構件的框架的思想,即將基於繼承的面向對象框架通過用構件介面中方法的調用來替代對象類中方法的重載,轉換成為基於構件組裝的框架,使得框架更加靈活,更加易於使用。This dissertation discusses important issues pertinent to the ums ( unified messaging system ) based on the experience gained in the project of zhx - ums ( zhonghongxun unified messaging system ). the work presented in this dissertation reflects the author ' s involvement in the development of the zhx - ums prototype system, and can be classified into two groups : system top - design and software development. an emphasis has been given to the software development, which directly related two techniques : tts ( text - to - speech ) and asr ( auto speech recognition )
本文以作者參與「中鴻訊統一消息服務系統( zhx - ums ) 」設計與開發工作為背景,在討論有關ums的體系結構、關鍵技術和實現方法等方面問題的基礎上,重點討論了文本-語音轉換技術( tts )和自動語音識別技術( asr )的現狀及其在ums系統中的應用與開發。A brief description of the operation of overhead traveling cranes for water power station and development of crane electric control technologies is given, and two practical combination operation systems of two overhead traveling cranes for water power station are presented in detail : switch and plc control systems
摘要根據國內水電站機房用橋式起重機的工作特點,結合起重機電控技術的發展,介紹了2種切實可行的起重機並車作業電氣控制系統,即轉換開關並車系統和可編程序控制器( plc )通訊並車系統。分享友人