轉換開關系統 的英文怎麼說

中文拼音 [zhuǎnhuànkāiguānxìtǒng]
轉換開關系統 英文
changeover switch controller
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 轉換 : change; transform; convert; switch
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. This thesis firstly introduces new demands of aerial product logistics support under high - tech war and some defects of traditional logistics support, and puts forward a kind of system model of aerial product logistics support following data - sharing of cals, and emphasizes detm. secondly it sets forth application of step and xml in the ietm, researchs conversion of xml schema and relation schema, and simply researchs mapping of xml and express. afterword, a based - xml framework of info - transfer between different platform are presented, according to this framework, the author establish a archetypal system of helicopter information query system based xml and dbms

    本文首先介紹了現代高科技戰爭條件下對航空產品維修保障的新要求，概述了傳統的後勤保障技術的不足，遵循cals的數據共享的理念，提出了航空產品維修保障系統模型，重點研究了互動式電子技術手冊；接著分析了step標準和xml技術在製作互動式電子技術手冊中的應用，重點研究了肌模式和關系模式之間的相互轉換，初步研究了xml和express語言之間的映射關系；然後，提出了基於xml的一種解決航空產品信息跨平臺傳遞的解決方案，給出了該方案的具體實現流程和詳細的通訊協議，並開發了基於xul和數據庫的某型號直升飛機的信息查詢原型系統。
  2. 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。
  3. Secondly, the pressure sensor made by motorola co. ltd. in usa is chosen as the key part of the pneumatic - electric transducer. thirdly, the signal processing system of the pneumatic - electric is developed

    第三，研製了氣電轉換器的信號處理電子系統，設計有調零、增益調整、開關轉換擴展量程等功能。
  4. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  5. Model gdl1, 2 compact low voltage complete switchgear is suitable for use in ac 50 - 60hz three - phase five - wire election net as power, lighting, electic energy changeover, protection and control in genegration, transmission and distribution systems. it also can be used in warship, oil prospecting and nuclear power stration

    2低壓成套開關設備適用於交流50 - 60hz ，三相互線制電網，用於發電、輸電、配電系統中最為動力、照明、電能轉換、保護控制之用，還可用於艦船及海上石油勘探和核電站。
  6. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  7. 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。
  8. 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。
  9. 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。
  10. Harmonized system of quality assessment for electronic components. integrated analogue switching circuits. blank detail specification

    電子元件統一質量評審體系.集成模擬轉換開關電路.空白詳細規范
  11. Taking dc motor test as an example, a creative idea of applications of some advanced signal processing tools, such as time - frequency analysis, wavelet, and instantaneous frequency ( if ) evaluation, in motor testing field is presented. the paper systematically summarizes basic theories of time - frequency analysis and wavelet transform based on which an in - depth research of effective if evaluation based on wavelet ridge and wavelet curve is carried out. in the end a fast t - n characteristic testing system with neither torque nor speed sensor is successfully developed

    本論文主要關注小波分析在電機性能自動測試系統中的應用，針對傳統電機測試系統以及信號處理技術在電機測試領域中應用的不足，以直流電機為例，提出了將時頻分析、小波包變換以及基於小波脊的瞬時頻率提取方法應用到電機測試領域的新思路；較系統地總結了時頻分析和小波變換的基本理論，深入探討了基於小波脊線和小波曲線的瞬時頻率提取，並成功開發了基於正交小波包分析和基於小波脊線的瞬時頻率提取的無轉矩轉速傳感器的直流電機快速測試系統。
  12. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現： （ 1 ）在考慮doppler展寬的情況下，通過選取合適的實驗室條件（比如合適的原子環境溫度等）可得到合適doppler展寬值，從而使系統獲得最佳增益； （ 2 ）要想實現系統的頻率上轉換，同時又要獲得足夠強的無反轉激光增益，則系統頻率轉換比不能選取的太大； （ 3 ）對于開放系統，比較小的粒子注入速率比與退出速率對產生無反轉激光是有利碩士學位論文摘要的： （ 4 ）由於dopp1oy展寬的存在，當探測場與驅動場的傳播方向相反時，增益在探測場失諧的某一段區域產生振蕩，且振蕩的振幅、頻率失諧范圍的大小與dopper展寬的取值有關。
  13. Since our founding in 1906, yamatake has built on its core of measure - ment and control technologies to maintain its position at the forefront of japan s auto - mation industry. over our long history, we have built a sterl - ing reputation for providing optimum solutions in industrial automation, factory automation and building automation. sya was approved as chinese distributor of yamatake in 1999, and began to cooperate in regulator, recorder transmitter, sensor, actuator, combustion control, air conditioning control, anti - exploding switch, and other relative equipment

    上海鷹琪自動化成套設備有限公司於1999年取得山武公司的中國區代理權，並開始了與山武公司在調節器記錄儀指示儀轉換器傳感器執行器燃燒安全控制器空調控制器防爆限位開關系統相關設備等產品領域的合作，通過不斷努力，取得了相當不錯的業績，尤其調節器執行器燃燒安全控制器及防爆限位開關等產品方面有獨道的技術服務經驗，深受廣大用戶好評。
  14. This business is a global provider of power generation systems, components and services for a diversified customer base to meet the needs for standby power, distributed generation power, as well as auxiliary power needs in specialty mobile applications

    康明斯電力的產品線包括發電系統、機組用發動機、控制系統、交流發電機、轉換開關系統和開關櫃等。
  15. 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。
  16. Railway applications. fixed installations. particular requirements for a. c. switchgear. measurement, control and protection devices for specific use in a. c. traction systems. application guide

    鐵路設施.固定裝置.交流轉換開關裝置的特定要求.交流牽引系統專用的測量控制和防護設備.應用指南
  17. 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。
  18. The theory mentioned in this paper is a kind of traveling wave method. it overcomes the limitations in theory and short - comings of big errors, realizes the fault ' s checking system by a pc bus industrial control computer, adopts swift a d translation. monitoring on - off switch, warning device when the fault appears

    本文所闡述的理論是一種行波法，它克服了理論上的局限性和誤差大的缺點，應用計算機進行電力系統暫態過程的數字模擬和計算程序，是分析電力系統故障的有力工具，採用pc總線工控機，選用快速a d轉換、開關量測量、出現故障聲光報警。
  19. But with the improvement of design and test technique, translating the test vector from the design to test system is becoming more and more difficult. so how to solve the difficulty efficiently is an important research direction. this dissertation studies the different test vector format languages and ic test program languages, introduces test development system architecture and components, discusses the key issues in practical application of test vector translation and gives the solutions

    本文研究了多種測試向量格式語言和測試程序語言，系統介紹了測試開發系統的體系結構以及各個組成部分，介紹了當今的測試開發系統方面的研究成果，詳細分析了在測試向量轉換系統中的測試向量周期化轉換的關鍵問題，並給出相應的解決方法及其演算法實現。
  20. 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。
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