直接轉接電路 的英文怎麼說
中文拼音 [zhíjiēzhuǎnjiēdiànlù]
直接轉接電路
英文
direct transit circuit- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 轉 : 轉構詞成分。
- 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 直接 : direct; immediate
- 轉接 : change-over; throw-over; switch; transfer; transit; reset; adapter coupling; built-up connection
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power
本文結合配電網潮流程序,利用matlab作為模擬工具,模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應,對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究,提供了可靠的理論根據,有重要的現實意義。Based on the analysis of the magnetic characteristics, an artificial nerural network can be built and the fault samples can be gained by theoretical arithmetic. the results of computation example show that the method can not only judge if shorted field turns exit but also estimate fault turns ratio
根據該結論構建了發電機故障診斷的神經網路,並直接獲得發電機在額定運行工況下對應的故障樣本,用於故障診斷,不僅對轉子繞組匝間短路故障的存在性,還對故障的嚴重性做出了正確的判斷。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits
通過分析6kv電纜絕緣監視保護的特點,提出了在高壓電纜監視線與接地線之間附加直流電源並利用v / f轉換實現監視保護的新方法,設計了相應的電路。The principle of the neural network models is different from that of the real - time running models. the latter is designed on the engine running, so the effect of the control strategy on engine performance can be observed clearly. while the former works out the solution directly from the testing data, avoiding the complex calculation procedure
神經網路模型與實時運轉模型的構成原理不同,實時模型以發動機運轉機理為設計依據,使于充分觀測控制策略對發動機各種性能指標的影響;而神經網路模型是根據己有的試驗數據進行直接推理,可避免大量的簡化、推導、求解過程,對于諸多機理繁復的發動機變量而言是一極佳的求解方案,因此就更全面的進行電控系統的調試評估考慮,兩種模型有著良好的互補性。Applying relative arithmetic to all kinds of faults and calculating off - line, we can master time - distance relation chart for all kinds of faults. computation indicates : when transmission lines occur faults, the data window of protection algorithm consisting of prefault and postfault data at the same time has important significance. the following methods are useful to achieve the inverse time characteristic : calculating impedance by using flourier in a full cycle, calculating work voltage by using fault component, calculating the torque created by a phase comparator or a magnitude comparator
實際的計算表明:輸電線路發生故障后,用故障前後的數據同時充滿保護演算法的數據窗,對于快速切除近區故障具有很重要的意義;同時利用故障前後的數據,下述方法可以比較好地實現距離保護的反時限特性:直接用全周傅里葉演算法進行阻抗計算;採用工頻變化量阻抗繼電器進行工作電壓的計算;採用轉矩的思想進行轉矩的計算。In the paper, a speed estimator based on artificial neural network is designed according to the principle of direct torque control, the speed estimator is optimized by genetic algorithm, and the parameters of pid speed adjuster is also optimized by genetic algorithm. a stator linkage and torque observer based on stator resistance estimator using fuzzy neural network is also designed. eventually, the intelligent control of direct torque control system is implemented
本文根據異步電動機直接轉矩控制原理,在應用人工神經網路進行速度辨識的基礎上,利用遺傳演算法對神經網路速度辨識器進行了優化設計;運用遺傳演算法對pid速度調節器的結構和參數進行了整合;在採用模糊神經網路對電機定子電阻辨識的基礎上,進行了定子磁鏈及轉矩的觀測,為最終實現無速度傳感器直接轉矩控制系統的智能控制創造了條件。Based on many other circuit formats, a new kind of logic - level circuit representation, called unified middle - level circuit format ( umcf ), is defined in this paper, in which some special operations on circuit related with power estimation and low power design. umcf can not only interchange circuits of different formats, but also convert circuits to hspice acceptable files, which can be used for transistor level power estimation
本文結合多種不同的電路格式,自主定義了一種邏輯級電路的中間表示形式(稱為umcf )和一系列極具特色的與低功耗技術相關的操作,它不但可以實現與其他多種電路格式之間的相互轉換,還可以將電路直接轉換成hspice可以接受的文件,進行晶體管級的電路功耗估計,這樣可以在公認的高精度的功耗模擬器上,對本文的結果進行有效的驗證。Movie editing, slide show playback, image rotation, image pasting, crop frame, pictbridge direct printing, e - mail copy, date imprinting, remote camera
短片編輯、滾動顯示( slideshow )播放、影像旋轉、圖像黏貼、裁剪、 pictbridge直接列印、電郵式副本復制、日期列印、 pc網路相機The paper presents a novel speed identification scheme based on the bp neural network for the dtc motor drive system
摘要針對異步電動機直接轉矩控制系統,基於三相異步電機方程提出一種新型的採用人工神經網路辨識電機轉速的方法。We give three installing schemes in the measuring hydraulic cylinder in the fourth chart and analyse thire merits and shortcomings. we discuss the possibility of measuring grinding wheel diameter by ultrasonic wave we give the full electric circuit schemes, including emitting and receiving circuit, measuring temperature circuit, displaying circuit, regulated power supply, a / d converter circuit and so on
給出一種新的計時方法。同時我們還討論了利用超聲測量鋼坯磨床中砂輪直徑的可能性。在本文中,還給出了完整的電路設計方案,包括:發射接收電路、溫度測量電路、顯示電路、穩壓電源電路、 a / d轉換電路等。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。Telecommunications - installation interfaces - direct - inward - dialing analog voicegrade switched access using loop reverse - battery signaling
電信.網路與用戶裝置介面.利用環路反向電池信令的直接向內撥號模擬音頻轉換訪問線路Socket function mainly realizes setting up and initializing service unit socket, initializing service unit and service unit serial and so on. bind funcion primarily binds local address and port for the socket. listen function is to evaluate the max length of server ’ s listening queue. connect function and accept function set aside rate ahead, infrom user ’ s request of establishing virtual circuit to suna, cooperate with suna to establish the connection between client and server, return the result. we make use of three handshake with data protocol and virtual circuit mode, in this way, when we translate data, we can look up communication course according to virtual circuit number, at the same time, there aren ’ t source ip address and port, end ip address and port in the head of data package, the speed of translating data advances in a certain extent. send function and recv function is to send data collaborating with suna, and copy data from the receiving queue of socket to user ’ s buffer. close function cooperate
Socket ( )函數實現創建、初始化服務元套接字,初始化服務元及服務元序列等。 bind ( )函數為套接字綁定本地地址和埠號。 connect ( )和accept ( )函數主要是根據用戶要求預留帶寬,將用戶的建立虛電路請求轉達給服務元網路體系,協作服務元網路體系採用捎帶數據的三次握手協議建立虛電路,並告訴用戶處理結果,一方面,捎帶數據的三次握手協議在一定程度上可提高數據傳輸速度;另一方面,採用虛電路方式,使得數據通信可直接根據虛電路號查找相應的通信進程,而且數據包的包頭中省去了源ip地址、埠號和目的ip地址、埠號,提高了數據傳輸速率。The current in the dac ’ s output can drive the load, and the structure can save a buffer consisted of operational amplifier, so the structure can achieve high speed with no close - loop and feedback in this circuit
該10位分段式電流舵型數模轉換器的輸出端可直接用電流輸出來驅動負載阻抗,省去運算放大器構成的輸出緩沖,整個電路中沒有形成閉環和反饋,因此這種電路結構可以達到很高的速度。The concept and design especially block design of a signaling system directly affects both performance and safety of operation in a rapid transit system. the signaling system adopted by the taipei mrt is of a fixed blocking system design, which is also used in many other countries ; however, different system providers have their own design concepts, and incompatibility is a common problem which places restrictions on the expansion and updating of future lines. therefore, if a brand - new, standardized, more advanced design and or product is to be introduced to upgrade or expand the existing taipei mrt system, compatibility between the existing system and the new system is one of the most important issues
三、供電系統為捷運系統動力之來源,其可靠度直接影響系統之營運之可用度,為確保系統之可靠度,各線皆有獨立之電力系統,自成一自己自足之供電網路,由於變電站之投資成本昂貴,且涉及用地取得之問題,及民眾對變電站設置之排斥,皆是未來系統興建必須考量的課題;有鑒於此,在不降低整體路網運轉性能及可靠度需求之下,于未來系統擴建時如何充分利用現有變電站之資源,透過電力調度之方式,進行電力系統之擴建與整合,亦是值得探討的課題,其中包括既有機土介面配合調整可行性如何?Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function
在本控制系統的具體實現上,由於直接轉矩控制對實時性要求很高,因此在硬體方面,採用了目前比較流行的數字信號處理器( dsp )作為系統的控制器,其處理速度高的特點正好符合本實驗的需要:在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function
在本控制系統的具體實現上,由於直接轉矩控制對實時性要求很高,因此在硬體方面,本課題採用了目前比較流行的數字信號處理器( dsp )作為本實驗的控制器,其處理速度高的特點正好符合本實驗的需要;在主電路中,本系統使用了集成度高的功率器件:智能功率模塊( ipm ) ,作為逆變環節,其集成了七個igbt ,實現了高開關頻率逆變以及故障診斷的功能,從而使控制系統的體積大大縮小、控制更加靈活。As to large torque ripple in direct torque control ( dtc ) of induction motors at low speed, a kind of new fuzzy neural networks ( fnn ) approach was proposed based on the merits that fuzzy control absorbs man ' s empirical thinking and neural networks have self - organization and self - study ability
摘要針對異步電動機直接轉矩控制低速轉矩脈動大的間題,充分利用模糊控制吸收入的經驗思維,以及神經網路對信息的處理具有自組織、自學習的特點,提出一種新的模糊神經網路控制方法。The wavelet networks are used in identifying the stator resistance of induction motor direct torque control. the simulation results show that this method is effective and feasible
將小波網路應用於對交流電機直接轉矩控制中的定子電阻辨識,取得了較好的效果。分享友人