超出同步 的英文怎麼說
中文拼音 [chāochūtóngbù]
超出同步
英文
rising out of synchronism-
In the method of impulsive synchronization, both seriate system and discrete system have been discussed. a series of discrete hyperchaos systems that have the lowest dimension have been constructed, and we have achieved the impulsive synchronization of discrete system in circuit
脈沖同步法中，分別從連續系統和離散系統兩方面進行討論，構造出一系列具有最低維數的離散超混沌系統，並通過電子線路實現了離散系統的脈沖同步。For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions
針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。Abstract : this paper discusses the method of adjustable speed driving with bi - directional power transferring converter for motors used in draining and irrigating pumps, a control strategy is proposed to realize super / hyper synchronous speed running with ac - ac converter, and a design for the driver is given based on 16 bit micro - controller
文摘:針對農用電力排灌站電機調速改造問題，討論了雙饋調速實施方案，提出了採用交交變頻實現超/低同步調速的一種控制方法，給出了以高性能16位單片機為核心的雙饋調速控制系統軟硬體設計In the concentrated mineralization area, there are many types of pb - zn - ( ag ) deposits and gold deposits, it is one of bases of lead - zinc in china. in this area seafloor hydrothermal sedimentary ore deposits and hydrothermal sedimentary - rebuilded ore deposits are predominated. all lead - zinc - ( silver ) and gold deposits hosted in devonian sedimentary rocks, and orebodies of seafloor hydrothermal sedimentary deposits and hydrothermal sedimentary - rebuilded deposits draped in phase with stratum
礦化集中區內主要的礦床類型是熱水沉積型和熱水沉積改造型，其中熱水沉積成礦作用形成的廠壩-李家溝礦床為超大型礦床，熱水沉積-改造型礦床有畢家山和鄧家山等大型鉛鋅（銀）礦床，礦床與中泥盆統地層整合產出，並同步褶曲。Asynchronized synchronous generator is a new type of generator whose performances are significantly better than those of conventional generator. its appearance shows a new way to resolve the problem of continuous over - voltage on extra - high voltage electric network and the stability of power system with long transmission lines
異步化同步發電機是一種運行特性明顯優于普通同步發電機的新型電機，它的出現為解決超高壓電網持續工頻過電壓和長距離輸電系統的穩定性問題提供了新的途徑。Siemens is supplying a twin main drive with cylindrical - rotor synchronous motors, which, at 40 revolutions per minute, will produce a rated output of 8000 kilowatts and is designed for an overload of up to 275 percent
西門子提供一對帶有鼓形轉子同步電動機的主驅動，每分鐘40轉，將產生8000千瓦的額定輸出，適合超載量達275 % 。Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail
針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。This paper introduces the structure and basic principles of ultrashort wave frequency hopping station system, analyzes on the tod and three kinds of frequency - hopping synchronizations, and advances a scheme of deferred - network - entry synchronizationt
介紹了超短波跳頻電臺系統結構及基本原理，分析了時間信息（ tod ）與3種跳頻同步分類，提出了一種遲入網同步方案。Following the development trend of valve cad, according to the requirements of the chengdu chengfeng valve limited company and based on mdt, this article develops the 3d parametric valve design system. the main work and achievements are as follows : based on the 2d engineering drawing of the several different valves the company provided, the 3d parametric basic drawing - base is set up using mdt which is a 3d design platform, including all the parts drawings and the general assemblage drawings of the valve models ; in accordance with the common steps of the valve design, the parameter editors are designed to edit, import and export the valve parameters and are provided with the function of double synchronization on parameters displaying for convenience in use ; in order to meet demands of users and make the design more accurate, reliable and practical, the assistant formula calculators are developed, which can automatically do all types of structure calculation in the procedure of valve design, and export the calculation manual of valve design ; in order to make designers more rivalries, taking full advantage of internetmntranet technology, the virtual design center is developed, which integrate netmeeting, terminal service and super links, so that the designer can directl y use applications on remote server, communicate with other designers on intranet / internet, share software resources and realize long - distance cooperative design
根據閥門cad發展趨勢，針對成都乘風閥門有限責任公司閥門設計現狀，本課題基於mdt三維設計平臺開發了閥門三維參數化設計系統，主要完成的工作和成果如下：根據公司提供的幾種不同結構閥門的二維工程圖紙，利用mdt三維設計平臺建立了三維參數化基本圖形庫，其中包括所有零部件和總裝配模型圖及二維工程圖；依照閥門設計的一般步驟設計了參數編輯器，用來對閥門尺寸參數進行編輯、輸入、輸出等，具有參數雙向同步顯示功能，使用十分靈活方便；根據用戶的需求，為了使設計達到精確、可靠、實用的要求，設計開發了輔助計算器，能自動完成閥門設計過程中所需的各種結構計算，並可以輸出閥門設計計算說明書；為了使設計人員更具有競爭力，本系統利用internet intranet技術設計開發了虛擬設計中心子模塊，虛擬設計中心集成了網路會議、終端服務、超級鏈接等功能，可以讓設計師直接使用服務器上的應用程序，與intranet internet上的其他設計專家進行交流、共享軟體資源，實現遠程協同設計。The main advantage of this method is that it can be realized easily in engineer. the numerical studies and circuit experimental simulations show that this method is correct and efficient. in our circuit experimental simulations, the other variables of hyperchaotic systems synchronize precisely when a variable synchronizes generally
電路實驗模擬中出現一種新的同步現象，即超混沌振蕩器的一個電流達到廣義同步時，其它的電壓和電流還可以實現精確同步，我們對此同步現象的物理機制進行了定性分析。We first advanced the scheme of chaotic and hyperchaotic synchronization system with a scalar transmitted signal through the method of rotate variable of system
首次提出通過旋轉系統變量的方式只用單一發送信號同步混沌和超混沌系統的方案。For the practical application, three methods of realizing and improving chaotic synchronization have been researched, and the methods consist of controlling chaotic and hyperchaotic synchronization, impulsive synchronization, rotate coordinates transformation improving synchronization
本文從實際應用的需要出發，研究了三種實現和改進混沌同步的方法：控制混沌、超混沌同步法，脈沖同步法，旋轉坐標變換改進混沌、超混沌同步法。With investigation and research done, an overall system of simulated ultrasonic detection for inner pipelines has been worked out. there follows a thoroughly - designed subsystem of on - line data collection, leading to the successful programming of the communication software which can transfer the data of the position as well as the pipeline thickness exactly
給出了模擬式超聲管道內檢測系統的總體設計與在線數據採集子系統的設計，著重介紹了在線超聲測厚數據與定位數據的同步採集處理計算機子系統的研製，該系統已完成工程實驗樣機研製。Just based on the two points mentioned above, a control system of doubly - fed variable speed constant frequency ( vscf ) wind power generator based on 8xc196mc is designed in this paper, which can smoothly transform between the different operational modes from sub - synchronous speed to synchronous speed and to super - synchronous speed
正是基於上述兩個出發點，本文設計了一臺基於8xc196mc單片機的2 . 8kw變速恆頻雙饋風能發電控制系統。主電路中變流器的設計可使該系統能工作于亞同步速、同步速及超同步速三種運行狀態，並具有能量雙向流動的特點。Exceeding the specified synchronization time
超出了指定的同步時間。( 2 ) using the method of parameter identification in literature [ 117 - 118 ], selecting gain function : giving the initial value of the parameter observer from the time serial of output variables of the system, the numerical simulation result shows that the parameter observer proposed in this paper can identify the unknown parameters of the system quickly and exactly no matter if the parameters keep invariable or change in some rule, and the identifying speed is faster than the method in [ 117 - 118 ], when the unknown parameters are being identified, vith parameter compensator, it can synchronizes two hyperchaotic systems completely even if some parameters mismatch
（ 2 ）採用文獻[ 117 - 118 ]提出的參數辨識方法，通過選取更一般的增益函數： l _ i （ x _ i ） = kx _ ii = 1 ， 2 ， 3並根據系統輸出變量的時間序列給出參數觀測器的初始值來進行參數辨識，數值模擬結果表明：採用本文的參數觀測器，在系統參數固定或變化的情況下，都可對系統未知參數實現快速高精度辨識，辨識的速度快于文獻[ 117 - 118 ]提出的方法；在辨識參數的同時，結合參數補償器，使兩個參數不匹配的超混沌系統同步。Building level the patent exceeding lower net raised floor of more function is the only one that can match with integration lines at the same time, improved the efficiency of working, and reduced the cost of material circulation. so it heightened the 5a grade office buildings level, increased the rate of renting and selling
：專利型超低多功能網路架空活動地板是唯一與網路綜合布線的發展需求同步發展的網路地板，其功能性和實用性方面超越了目前市場上任何一種活動地板大大提高了辦公效率布線效率，大大降低了物業管理運行成本，從而提高了5a級辦公樓宇的檔次，同樣提高了大樓的出租率和出售率。Us rock star madonna launches of her first children ' s book " the english roses ", which is going on sale in 100 countries and more than 30 languages
美國歌壇天後麥當娜出版了她的第一本兒童讀物， 《英國玫瑰》 。這本書將在超過30多種語言、 100個國家裡同步發行。In fact, the running and starting process of synchromotors are often affected by such factors as electrical, mechanical and hydraulic factors as well. as the magnitude of interference amounts to a certain degree, that is to say, above the stability limitation for the synchromotors, it will cause fall - out of the synchromotors, interrupting of the running or damage to the pumping system
另外，大泵站同步電機起動及運行過程中，常有電力的、機械的、水力的等因素干擾，當擾動的幅度或量值大到一定程度，超出電機的穩定極限時，會引起電機失步，造成泵機組運行中斷及設備損壞事故。The working principle of a multi - channel ultrasonic inner inspection pig and the design scheme of its subsystems are introduced, the principle block diagram is presented, and many methods such as synchronous collection and memory of thickness data and orientation data are put forward
介紹了一種多通道超聲波內檢測功能機的工作原理及其各組成子系統的設計方案，給出了原理框圖，同時提出了對壁厚數據和定位數據進行同步採集、存儲等方法。分享友人