正饋電線 的英文怎麼說

中文拼音 [zhēngkuìdiànxiàn]
正饋電線 英文
positive feeder
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 動詞(饋贈) make a present of
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 電線 : (導線) wire; electric wire; current lead
  1. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯平轉換、 dsp工作源校路和ac - dc源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反的控制演算法的程序設計。
  2. Abstract : a 16 - channel temperature detection apparatus with platinic resistance is presented. the method of the down - lead elimination of the platinic resistance and nonlinear correction with positive feedback are discussed

    文摘:介紹了一種經濟實用的16通道鉑熱阻測溫巡檢顯示儀,並論述了鉑熱阻的引消除和用實現非性校的方法。
  3. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字時分割( pwm )脈寬調制技術,在測量的準確性、硬體路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量能,就是不計非性負載回網的負的諧波能,而採用基於數字時分割的基波交流參數測量的方法,真實現了能的合理計量。
  4. Optimization design of dual - feed circular polarization patch antenna based on feeding correction

    優化設計雙點圓極化微帶天
  5. Furthermore, it is very important that improve the autoimmunization of substation without watch - keeper. in the design of substation, we predigest main wiring with a minitype base and adopt simple wire - connection : dule t type is used in 66kv side, segmented single bus - bar with hospital bus - bar is used in l0kv for major load

    在該無人值班變所的設計中,以小型化模式為基礎,簡化主接: 66kv側採用雙t接方式,常時雙雙變壓器分列運行; 10kv側由於路較多,負荷較為重要,因此採用單母分段帶旁路接方式。
  6. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式路,以全橋式路為例分析研究了這類換器工作模式、穩態原理與壓瞬時值反控制策略,給出了變換器的外特性曲、關鍵路參數、與壓n倍頻或n分頻信號同步的基準路的設計。
  7. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流機的輸出特性模擬風力機的最大輸出功率曲的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發機有功、無功功率獨立調節機理,分析了交流勵磁雙機的數學模型和在追蹤最大風能捕獲變速恆頻風力發時必需的定子磁鏈定向矢量控制策略;針對雙機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙風力發機實驗系統,進行了空載、並網、同步速及上、下的發運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的確性、可行性。
  8. The innovative ideas in this paper are that robust h control theory based on conventional ip controller is applied to the high - precision feed of a single axis, and the controlled plant is composed of ip velocity loop and two - order model of linear motor. a constraint condition on y in the problem of h2 / h is deduced from the frequency criterion of riccati equation, which makes the repeated computation on r simple. considering the two - loops control problem, the h state feedback controller based on ip controller as the inner controller is applied to satisfy the velocity performance of the system, and a pi controller, the external controller, is used to satisfy the position performance

    本文的創新之處在於將傳統的ip速度控制器和直動機的二階模型作為一個廣義的被控對象,利用魯棒h _控制理論設計了一個h _狀態反控制器,以此解決高精度進給的控制問題,並在此基礎上研究了h _ 2 h _混合控制問題,結合h _代數riccati方程定鎮定解存在的頻率判據,推出了一個控制器存在的約束條件,使以往須反復試探的,有了更進一步的約束范圍,簡化了計算。
  9. We propose a combined slf method to extrapolate feeder load growth by using feeder ' s history peak value and the merits of gray theory and genetic programming ( gp ). at first, we adopt load transfer coupling method to correct load history and its error for load transfer. secondly, we get the real power - supply area by using layer overlap analysis, based on practical feeder path and distribution gis map layer

    將gis的空間信息分析功能應用於配網空間負荷預測的研究:綜合利用灰色理論及遺傳規劃( geneticprogramming , gp )的優點,提出了一種根據的歷史峰值負荷進行外推的組合slf法:首先採用負荷耦合回歸法來修負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際路徑和配網gis圖形分層,運用圖層疊加分析得到的實際供范圍;接著採用灰色關聯度聚類方法對負荷增長曲進行聚類分析;最後採用gp來對灰色聚類結果進行符號回歸,分別得到每一類曲的最佳擬合曲形式。
  10. In this paper, the design of electric forklift driving controller is demonstrated. otherwise, can is added into this controller, so as to build up can networks with other modules equipped with can controllers. this paper is composed of 7 chapters : in the first chapter, the background of the paper is introduced ; in the second chapter, the structure of electric forklift is demonstrated ; in the third chapter, first the math model of series motor is found, then the motor is controlled as improved p1d control rule ; in the fourth chapter, the principle and realization method of forward and reverse rotation and back - feed brake are explained ; in the fifth chapter, the principle of can and design of application layer in can are illuminated ; in the sixth chapter, the principle of e2prom is clarified ; in the last chapter, summary of the whole paper is given, and prospect in this field is made

    全文共分七章:第一章緒論,介紹了論文背景;第二章,系統綜述,介紹了動叉車的整車結構;第三章,串勵機的建模、改進的pid演算法及其軟硬體實現,首先根據串勵機的機特性推導出數學模型,然後在此基礎上結合pid控制規律對機進行控制;第四章,串勵機的反轉及回制動,介紹了實現反轉及回制動的原理及方法;第五章, can網路實現模塊間通訊,介紹了can總原理及can總應用層設計;第六章,用串列e ~ 2prom實現參數設定,介紹了串列e ~ 2prom的原理;結束語,對本論文進行了總結,並對該領域的發展進行了展望。
  11. If we can locate the fault section rapidly and accurately when fault occuring, we can isolate the faulut area, resume the power supply for the unaffected area, decrease the power cutted area and bring out great economic benefits

    當配發生故障時,要是能夠迅速、準確地確定故障區域,就能確動作相關的氣設備來隔離故障區域,恢復對非故障區域的供,減少停面積,帶來巨大的經濟效益。
  12. Considering practical application, some control methods brought forward by predecessors have been improved in order to realize them more easily. because it is difficult to control chaos and hyperchaos to high - period by simple linear feedback in experiments, the ordinary linear feedback method is modified to local control, further more, we prove its feasibility and find out the controllable parameter range theoretically. the improved linear feedback method is applied to circuit experiments, and the results of numerical simulation and circuit experiment are all in accordance with theory, which validate this method effective

    概括起來有兩個層面的內容:針對前人已經提出的一些控制方法,結合實際應用的需要提出改進的方案,使之更易於實際應用中的實現,這部分包括:基於簡單的性反控制低維混沌和超混沌系統的高周期態難以在實驗中實現而提出的局部控制的改進方案;結合具體實例,從理論上分析了改進控制方案的有效性及系統可控制的參數條件;並且用路實驗實現了改進的控制方案,實驗結果也驗證了理論的確性和可行性;在應用非性反方法控制混沌系統的研究中,我們也得到了前人沒有討論過的高周期結果。
  13. The auxiliary signal is injected into antennas from the ports of antennas in the first calibration project for channels uncertainty. this thesis studies the least squares ( ls ) algorithm, the subspace - based algorithm and the correlation algorithm based on the mentioned project

    通過理論研究,確定基於有源方式的兩種天q陣列校方案:一種是從天口注入輔助信號,另一種是從空中注入輔助信號。
  14. In the method zero sequence voltage is discussed and new principle for automatic fault location and isolation based on the zero sequence voltage is presented in this paper

    該方法以壓變化量為故障點定位的主要判據進行故障點自動監測與定位,並迅速隔離故障區段,恢復常區段的供
  15. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及遺傳規劃的優點,提出了一種根據的歷史峰值負荷進行外推的組合slf法:首先採用負荷轉移耦合法來修負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際路徑和配網gis圖形分層,運用圖層疊加分析得到的實際供范圍;接著採用灰色關聯度聚類方法對負荷增長曲進行聚類分析;最後採用遺傳規劃來對灰色聚類結果進行符號回歸,分別得到每一類曲的最佳擬合曲形式。
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