逆轉機構 的英文怎麼說

中文拼音 [nìzhuǎnjīgòu]
逆轉機構 英文
reversing gearbox
  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 轉 : 轉構詞成分。
  • 機 : machineengine
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 逆轉 : take a turn for the worse; become worse; deteriorate; set back; kick back; reverse; inversion; re...
  • 機構 : 1 [機械工程] （機械的內部構造或一個單元） mechanism 2 （機關; 團體） organ; organization; institu...
  1. One new type double backspin rotor type sand mixing machine passes technique appraisal of qingdao tianheng machinery co., ltd. this machine adopts double rotor configuration researched internationally ; the rotor is installed on different output axis of same reducer, which produces comparative cross cutting speed by using rotors with different speed that makes sands get strong cutting and friction force. therefore, it can reduce clay and quicken sand mixing

    一種新型雙逆轉子式混砂機在青島天恆機械有限公司通過技術鑒定，該機採用國際首創的雙轉子結構，其轉子安裝在同一減速器的不同輸出軸上，利用兩個軸的不同轉速使轉子間產生相對交叉剪切速度，使砂子受到的沖剪及搓擦力加強，從而減少粘土團，加快砂子的混合。
  2. The chairman of the subcommittee sent a letter to cs conveying the demand of subcommittee members that the executive authorities must not make any irreversible decision or take any decision that would in effect create a fait accompli before the administration has responded in specific terms to the findings and recommendations of the subcommittee and has had thorough exchanges with legco on the way forward for wkcd

    小組委員會主席致函政務司司長，提出小組委員會委員的要求，表示行政機關在對小組委員會的研究結果及建議作出具體的回應，以及就西九文娛藝術區的未來路向與立法會詳細交換意見之前，不得作出任何不可逆轉的決定，或是作出實際上會構成既成事實的決定。
  3. Being a sort of new principle micromotor in the fronitier of science. the ultrosonic motor ( usm ) is developed at recently twenty years. utilizing the stator surface particle elliptical motion excited by piezoceeramics, the usm is drived by friction force between the stator and rotor. compared with the conventional electromagnetic motor, the ultrasonic motor has the following features : high speed, high holding torque when power is off and so on. because of it ' s characteristics, the ultrasonic motor has obtained some widespread application in robots, precise instrument, house electronical appliance, sapceecraft automobile and micromechanism

    超聲波電機（ ultrasonicmotor ）是近二十年來發展起來的一種新原理電機，其原理不同於傳統的電磁型電機，它是利用壓電陶瓷的逆壓電效應使定子的表面質點產生橢圓運動，通過定子和轉子之間的摩擦力驅動轉子運動。這種新型的電機與傳統電磁電機相比，具有響應快、不受電磁干擾、結構緊湊、低速、大扭矩、斷電自鎖等優點，因而在微型機械、機器人、精密儀器、家用電器、航天器、汽車等方面顯示出廣泛的應用前景。
  4. An 18 - month consultation is under way to agree how the body will accumulate scientific evidence, identify causes of damage and recommend ways to limit or reverse them

    一樣為期18個月的咨詢活動正在進行之中，以探討這個機構如何收集科學實據，以確定危害物種的因素並提出限制和逆轉物種滅絕的方案和措施。
  5. In this paper, the geological characteristics of talc for changfeng and heyuan is introduced. the condition of talc is analysed. it is discussed the genesis of talc

    介紹了採用單向托輥和阻尼板的方法對上運帶式輸送機斷帶下滑和帶式輸送機逆轉進行全線柔性摩擦制動的技術方案、主要結構、原理、理論分析計算及應用情況。
  6. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  7. Proved by the converse choice theory from the game theory, it regards that it is necessary for the examination institutions to turn into the intermediary organizations

    闡述了考試機構向中介組織轉型的必要性，並採用博弈論逆向選擇理論對此進行了論證。
  8. Some research about sensorless control of induction motors in recent years has been introduced in chapter one. in chapter two, a field - oriented control system with current regulator and voltage source inverter ( vsi ) is presented firstly, which is proved in theory that the voltage feed - forward decoupler can be omitted, the good decoupled control properties of flux current and torque current is also validated by experiments with speed - sensor based on f240dsp real system

    論文第二章從異步電機的基本數學模型入手，介紹了一種基於轉子磁場定向的帶電流內環控制的電壓型逆變器輸出閉環矢量控制結構，在理論上證明了該模型可省略電壓前饋解耦環節，採用f240dsp晶元構建的帶速度傳感器實驗系統驗證了其定子電流勵磁分量和轉矩分量有良好的解耦控制特性。
  9. This paper presents the trajectory planning of five - bar hybrid driven mechanism based on inverse kinematic theory and spline interpolation function, analyses the effect of rotational speed of real time non - adjustable motor on the acceleration of the manipulator end point and real time adjustable motor, and then derives the mathematic relationship between them

    摘要運用逆運動學原理和樣條函數給出了混合驅動五桿機構的軌跡規劃方法，並討論了常速電機的轉速末端執行器和伺服電機加速度的影響，得出了他們之間的數學關系式。
  10. Regard how to structure the control system of sensorless bldcm with dsp - tms320f240 as the centre in this paper, the detailed argumentation course of the motor startup, bemf terminal voltage measurement and control strategy is given out, give and pay concrete details for the software and hardware realization and experimental result. in order to treat the bldcm control system with dsp clearly, the full paper divides into six chapters altogether : chapter one, introduceing the development course, the structure characteristic and operation principle, etc. of bldcm in the introduction ; chapter two, directed against the startup issue of bldcm, the chapter give and publish the rotor measure pulse orients technology for motor startup in detail ; chapter three, proceed with mathematics model of the bldcm, expounding the control schemes ; chapter four, two important devices introducing : dsp ( 240 tms320f ) and power invertor control chip ( ir2131s ) ; chapter five, give and publish the detail of hardwares of control system ; chapter six, by ccs ide of ti, realize the control schemes in the front chapters with software, offere the procedure flow chart of main subroutine and some key place of programming, the experiment result in addition

    全文共分六章：第一章、緒論中介紹了bldcm的發展歷程、電機本身的結構特點和工作原理等；第二章、針對五位置傳感器bldcm的起動問題，文中詳細給出了檢測脈沖轉子定位起動技術；第三章、從電機的數學模型入手，詳細論述了反電動勢端電壓法和系統的控制策略；第四章、介紹了硬體實現中的兩個重要器件： dsp （ tms320f240 ）和功率管逆變器控制晶元（ ir2131s ） ；第五章、詳細給出了控制系統的硬體實現細節；第六章、利用ti提供的ccs集成開發環境，將前面章節的控制方案用軟體加以實現，給出了主要部分的程序流程圖和一些編程要點以及實驗結果。
  11. Kinematics simulation of four - foot robot before building the model of four - foot robot kinematics simulation, the gaits of many kinds of movement, such as walk, turn and so on, should be well designed first. then with the principle of machine obverse and inverse kinematics, we analysed the moving trace of four - foot robot ' s feet, body and knuckles, and so on, and built up the kinematics model of four - foot robot ' s all kinds of basic movement

    2 、四足機器人運動學模擬的模型。根據機器人運動學設計的基本要求，設計了四足機器人各種運動方式的步態，其中包括行走、轉彎等運動形式。在此基礎上，運用機構運動的運動學原理和逆運動學原理，確定了四足機器人足端、軀體、膝關節等的運動軌跡，建立了四足機器人各種基本運動如行走、轉彎等的運動學模型。
  12. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法，提高了電源利用率，降低了逆變電壓的諧波，改善了電機的運行特性，降低了對電網的污染；在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型，在模擬的基礎上，對傳統pid調節器進行了改進，提出轉速調節器和電流調節器採用分段pid結構，根據給定轉速所處的區間，自動選擇相應pid調節器的參數，拓寬了調速范圍，提高了控制精度。
  13. Some have breathed sighs of relief, others, including churches, right - to - life groups and the australian medical association, bitterly attacked the bill and the haste of its passage. but the tide is unlikely to turn back

    一些機構終于鬆了一口氣，但是其他一些機構，包括教堂，倡導生命之權的團體和澳大利亞醫學協會，尖銳地抨擊這個法案，指責法案的通過過于匆忙。但是大勢已定，不可逆轉。
  14. All of these results described the process of the phenomenon and delineated the mechanism of it. the experiment was performed in two conditions : heated plane and unheated plane

    這些參數體現了邊界層逆轉捩過程中流動特性的變化規律，揭示了密度分層結構中逆轉捩現象發生的機制。
  15. It is inevitable that some of them will be defeated and go bankrupt in the heated market competition. if adverse conditions prevail, the risk will probably turn into real financial crises

    在激烈的市場競爭中必然有部分機構被淘汰和破產，一旦條件逆轉，極有可能轉變成現實的金融危機。
  16. This essay analyzes the relation between preconditions for equilibrium of cooperative innovation of technology transfer of science research institutes and relative parameters by a model of dynamic games of incomplete information, and proposes several practical measures to reduce the negative affects of contrary selection

    通過一個不完全信息動態博弈模型，分析了科研機構技術轉移合作創新的均衡產生條件及與相關參數之間的關系，提出了減少逆向選擇問題負面影響的可行措施。
  17. Second, since the trend towards the kbe is irreversible, it also brings with it formidable adjustment challenges with implications for firms, individuals, educational institutions and governments. these adjustment challenges may happen in the aspects of organisational structure, management, employment, investment, training, policies and regulations. the goal is to smoothly transform the current post - industrial economy into the future knowledge - based economy

    其次， 「知識經濟」的發展潮流不可逆轉，也為企業個人教育機構和政府部門帶來了全新的挑戰，即如何在組織管理人員投資培訓政策法規等方面作出戰略性調整，使現行「后工業社會經濟體制」向未來「知識與資訊經濟體制」成功轉型。
  18. Basically, a brushless dc motor consists of a permanent magnet ( pm ) synchronous motor, an inverter and a position sensor mounted on the motor shaft

    通常的永磁無刷直流電動機由永磁同步電動機、逆變器以及安裝在轉子軸上的位置傳感器構成。
  19. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制系統的設計中，本文以三相全橋mosfet逆變電路作為實時控制主電路，採用120導通方式結合半橋pwm調制的控制方案，從而有效地避免了橋臂的直通短路；本文用單電流傳感器實現對相電流的檢測，來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息，而且也用於基於信號周期測量的轉速檢測，這樣就省去了速度傳感器；系統採用的是速度、電流雙閉環控制策略，力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
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