double-current system 中文意思是什麼
double-current system
解釋
雙電流制-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。 -
Aiming at the function and performance limitations of traditional special cnc or current pc - based open - structure cnc, a brand - new cnc platform designing scheme of multi - layer open - architecture is presented, based on embedded - mcu calculation and management core, and three kinds of expanding mode of software, hardware and interface. by using double system working ram and boot rom technology, an independent re - development interface is set on the hardware platform to realize customized function ’ s simulations and verifications online, which makes all the expanding or re - configuring on basic cnc platform are all safe and restorable
本文針對傳統專用數控系統的結構封閉、交互形式不通用和配置擴展不靈活方面的劣勢以及當前pc模式開放結構數控的體積龐大、開放程度不高和實時可靠性不強的局限，創新性地提出了以基本cnc框架+軟體、硬體和介面三種擴展形式為特徵的層次化開放結構的嵌入式cnc硬體平臺，並採用雙存儲區技術進行了cnc系統在線模擬校驗機制和安全保護機制的方案設計。 -
Compared with current instruments, the setup can decrease disturbance of disorder radiation by using double layer refractive index sample matching vessel, and it can increase collecting and transmitting efficiency of radiation by adopting single mode fiber with gradient refractive index lens. with a low power laser, the sample has a low scathe, and the laser and the measurement system can be integrated conveniently
與現有的同類型儀器相比，該儀器採用雙層折射率樣品匹配池減少了雜散光的干擾；採用帶梯度折射率透鏡的單模光纖接收、傳輸散射光信號提高了散射光的收集傳輸效率；用低強度的激光避免了對樣品的輻射損傷，同時可以使激光器和系統集成在一起，整個系統小型實用。 -
A very long burst read and combined write scheme on pci bus is proposed to achieve maximized pci performance test results show that end - to - end bandwidth is about 175mb s in single - net system and over 300mb s in double - net system the performance of hvia - net is endsville compared with current high performance commodity network in the world hvia - net has successfully been used in galaxy super server
提出了一種超長讀突發和寫報文合併技術，最大限度地利用pci總線的性能。實際系統測試結果表明，單網點-點帶寬達到175mb / s以上，雙網點-點帶寬達到300mb / s以上。與目前國際上的高性能商用網路相比， hvia - net的性能是領先的。 -
Neural network control is an important mode of intelligent control, and it is widely used in branches of control science, first, the architecture and the learning rule ( error back propagation algorithm ) of multiplayered neural network which is widely used in control system are presentedo especially, the paper refers to the architecture of diagonal recurrent neural network and its learning algorithm - - - - - recurrent prediction error algorithm because of its faster convergence with low computing costo next, before introducing the neural network control to the double close loop dc driver system, the controllers of current and velocity loop are designed using engineering design approach after analysis of the system, simulation models of the system are created
神經網路控制是智能控制的重要方式之一，它廣泛應用於自動控制學科各個領域。本文首先敘述了控制系統中常用的多層前饋網路結構及演算法（ bp演算法） ，特別提及了能夠較好描述系統動態性能的對角遞歸神經網路和在用遞推預報誤差演算法訓練drnn時取得了較快的收斂速度。其次，應用工程方法分析設計了tf - 1350糖分離機的電流、轉速雙閉環直流調速系統的控制器，作為引入神經網路控制的設計基礎，並建立了系統的模擬模型。 -
A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高 -
The signal sampling circuit fulfill the tasks of sampling signal and changing the double polarities signal to the single polarity signal ; the drive circuit receives the pwm signals from dsp and pass the signals to ipm through optical - couple devices ; the protective circuit safeguard the system against high current, high voltage, low voltage and high temperature on the ipm model
其中信號處理電路主要完成採集輸出電流和中間直流環節電壓信號，並對採集到的電流信號進行極性變換處理的功能；驅動電路接收dsp輸出的高頻驅動信號，通過耦合器件直接驅動ipm模塊；保護電路利用採集到電氣信號對整個系統實施保護，包括過電流、過電壓、欠電壓、 ipm模塊過熱等。 -
When tuyere of double disk is jammed, the current of fan will fall to light load current value ; therefore, checking current of fan will find this phenomenon and the system will deal with this condition according to pre - designed program
，當雙盤內風口堵塞后，鼓風機電流將降低到空載電流值，故檢測鼓風機電流會及時發現這種堵塞現象，系統會根據預設的程序進行處理。 -
It has the advanced radial technology and the movement path likes 11 pieces plum blossoms shape, this machine uses a head screw pole to go up and down to control the power head, it has the enlarged bench, and air current double - direction adjusting valve to controlled the riveting speed effectively. the electricity system added the counter to count the work piece which was be processed, he time relay control the riveting times
Jm3tq - d是汽動類小型徑向鉚接機，與jm3tq - b和jm3tq - c相比，提高最大工作行程到40mm ，除應用有國際先進的11瓣梅花徑向鉚接技術外，該機採用頭部絲桿升降粗調，加大了工作臺面，氣路加裝雙向調節閥，有效控制鉚接速度。 -
And the double management system of china rural land based on the family contract operation is not only consistent with the actual level of current agriculture productive forces but also consistent with the modernization of china agriculture in the future
農村以家庭承包經營為基礎、統分結合的雙層經營體制，符合現階段農業生產力的實際水平，也適應將來農業生產現代化的要求，穩定雙層經營體制是創新的基礎。 -
Ac tri - phase reactive electric energy display control instrument ; double screen digital display ; outline dimension 16080 mm ; no communication interface ; no transmit output ; tri - phase four - wire system ; high limit alarm lower limit alarm ; switch power supply ; input voltage signal 0380v ; input current signal 05a ; reactive power display 0114. 0kw active electric energy display 09999999999999kwh
交流三相無功電能顯示控制儀雙屏數字顯示外形尺寸16080 ;無通訊介面無變送輸出三相四線制上限報警下限報警開關電源供電輸入電壓信號0 380v輸入電流信號0 5a無功功率顯示0 114 . 0kw ;有功電能顯示0 9999999999999kwh 。 -
The paper analyzes the drawbacks of traditional auction system based on mas and the trend of electronics auction, and deeply studys current auction system. combined with cooperation games theories, this paper gives the rules of alternating double auction, brings up the cooperation model cm and agent based on cooperation games, and uses the bdi model to build agent, and gives the bdi logical of mean and reason logically. at last, this paper establishes alternating double auction platform and researches agent ' s cooperating auction on this background
分析了傳統的基於mas拍賣系統的不足以及當前電子拍賣的發展趨勢，深入研究了當前拍賣系統，結合合作博弈理論，給出互動式雙邊拍賣平臺的拍賣規則，提出互動式雙邊拍賣平臺的合作模型cm和基於合作博弈的agent ，並使用bdi模型建立基於合作博弈的agent ，給出agent的bdi邏輯表示以及推理，並建立互動式雙邊拍賣測試平臺，在該平臺下進行多agent合作拍賣的研究。 -
This system equips material movement transducer on feeding equipment ; meanwhile, it measures main current of double disk cooler ; the former inputs plc switching value ; the latter inputs analog quantity to judge material condition of double disk for avoiding no material or few material but much water feeding
該系統在加料設備上加裝自行研製的物料移動傳感器，同時檢測雙盤冷卻器的主電機電流，前者輸入plc開關量採集模塊，後者輸入plc的模擬量採集模塊，用以判斷雙盤內的物料存留情況，避免無料或料少時水的過分加入。 -
The system uses the popular double - deck controlling, namely the host communicates online with plc, at the same time it communicates with other stations by tcp / ip protocol. the electrodes regulate timely, quickly and true, with controlling three - phase voltage and current, so that power is stable comparatively
本系統合理控制三相電流、三相功率的大小，從而電極能夠實時、快速、準確地按照冶煉工藝要求進行調節，使電弧功率穩定在一定的范圍內，獲得期望的控制效果。 -
This control system adopts creditable plc for real control ; it sends many simulating signals collected by old sand temperature of inlet, suction opening temperature of double disk, inner sand temperature of double disk, current of mainframe and current of fan ; meanwhile, the operation signal and switching value signal outputted by material movement transducer is inputted to switching value module of plc ; it gets evidence of water feeding after cpu account ; the operation result of cpu is outputted by switching value of plc to control unlock combination of coarse, middle and thin water feeding electromagnetically operated valve and then gets different water feeding quantity
該控制系統採用高可靠性的plc可編程序控制器進行實時控制，傳感器所採集的入口舊砂溫度雙盤抽風口溫度雙盤內砂溫主電機電流及鼓風機電流等模擬量信號直接輸入plc的模擬量採集模塊，同時加砂設備運轉信號及加砂設備物料移動檢測傳感器發出的開關量信號輸入plc的開關量模塊，由cpu獲取經運算而得到加水計算依據， cpu運算結果直接由plc的開關量輸出控制粗中細加水電磁閥的開啟組合，而得到不同的加水量。 -
3. double closed - loop system for current and voltage, the protective circuits used to overvoltage, overcurrent, lack phase and water pressure, the closed - loop control for temperature can be achieved
3電流電壓雙閉環系統，帶有過流，過壓缺相，水壓等保護，可實現溫度閉環控制。 -
Likewise, only if the government returns to its proper position as an outside observer and final arbitrator of disputes can the legislative policy related to esop turn itself around. above all, any resolution to the problems of china ' s esop ultimately depends on the government ' s willingness to transform itself and its current " double - identity. " through the use of a variety of analytical methods - including case analysis, semantic analyses, historical inquiry and comparative study - this dissertation discusses the relationship between government regulation policy and china ' s actual experience with the esop system
也只有當政府回到外部觀察者和糾紛的最終裁決者的位置，有關職工持股立法政策的轉型才能完成;法律面向所有實行和有意實行職工持股的企業（無論其類型如何）提供一體的保障，通過稅收等杠桿協調由職工持股而導致的收入差距，防止貧富過于懸殊，以及監管和制約內部人控制，制止內幕交易、操縱證券市場行為等目標也才可能實現。 -
In this paper, researching and producing on current waveform control system of inverter carbon dioxide welding machine is given. the overall plan, the design of hardware structure, the programming and debugging of software is described in detail. the bang - bang and alterable structure discrete pid synthetic control algorithm are used to modulate the width of pwm signal in real time, to acquire the fiat character by driving and controlling the opening and shutting time of igbt, the technology of " double impulse " is adopted to realize electric current waveform control
本文介紹了逆變波形控制co _ 2焊機控制系統的研製，詳細闡述了總體方案的制定、硬體研製及軟體的編寫與調試，採用變結構、離散型pid + bang - bang復合控制演算法、實時調節輸出pwm信號的脈沖寬度，驅動控制用於逆變的大功率開關管igbt的開通與關斷時間，獲得逆變焊機平外特性。 -
Chapter four : firstly, creatively puts forward the double circulation message drive programming idea, and detailedly expounds the basic theory of the double circulation message drive ; afterwards, works out the software of the electromagnetic flowmeter system according to it ; finally, works out the multi - byte decimal fixed point numbers multiplication & division subprogram, through studying the current arithmetic
第四章首先創造性地提出了雙循環消息驅動程序設計思想，並詳細闡述了雙循環消息驅動的基本原理；然後根據該思想設計出電磁流量計系統軟體；最後通過研究原有演算法設計出演算法改進后的多位元組十進制定點數乘除法程序模塊。 -
Numerical simulation of current - voltage characteristics in a double barrier system
雙勢壘系統伏安特性的數值模擬
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