電流控制迴路 的英文怎麼說
中文拼音 [diànliúkòngzhìhuílù]
電流控制迴路
英文
current control loop- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions
前置數據採集模塊完成16路溫度信號的採集和通訊;速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度;開關量輸出模塊通過固態繼電器對加熱管進行控制;上位機軟體採用delphi編程,實現了pid參數自整定以及無超調的溫度控制。This system is consisted of these different sub - systems : the main circuit, the control system, input transfer, and three circumfluence reactors
該裝置主要包括:主迴路,控制迴路,進線電源變壓器以及環流電抗器等。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。Non negligible cable capacitance in ac control circuit
交流控制迴路中不容忽視的電纜電容Some correlative designs and experiments are finished before the microwave test experiment. the property of a finite long magnetic coil is studied and the coil magnetic field circuit is constructed for the experiment of microwave. a digital two - channel trigger device is designed and successfully applied in the experiment
為了微波實驗的順利進行,我們設計並加工了磁場線圈,研製了控制磁場線圈迴路觸發和強流電子束加速器觸發同步的兩路數字同步觸發器,研製了測量電子束流的法拉第筒,並成功地將這些設備應用於微波實驗研究。As the basis apparatus components, which are use to switch on and switch off main circuit or big capacity control circuit, ac contactors are widely used in control of electromotor and other power load
交流接觸器是一種用來頻繁的接通和切斷主迴路或大容量控制電路的電器,廣泛應用於控制電動機和其它電力負載。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。The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily
摘要利用數字控制技術對傳統晶閘管焊接電源進行改進,根據雙反星型晶閘管整流電路的特點,採用單片機進行精確設定,設計了高可靠性觸發迴路,結合電壓反饋進行程序運算控制,實現了主電路輸出電壓的精確調整和可靠運行。With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency
本文在平均電流模式控制的有源功率因數校正技術的基礎上,設計了一種控制電路基於數字信號處理器( dsp ) 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器,用數字電路代替傳統的模擬電路來實現對整個迴路的控制,最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。After introduction of the tranlinear loop principal, the bjt current controlled conveyor has been designed by using mixed tranlinear loop voltage follower. as for modern integrated circuit, the model of mos transistor, the active resistance and the current mirror integrated circuit formed by mos transistor are introduced. the cmos current controlled conveyor has been derived from mixed tranlinear loop cmos voltage follower based on weak inversion operation
針對現代集成電路的工藝,本文對mos晶體管的工作原理進行了簡要的敘述,討論了有源電阻和電流鏡的實現方法,並利用mos晶體管的亞閾值特性組成混合跨導線性迴路完成對應的電壓跟隨器的設計,推導出了基於cmos技術的電流控制傳送器。A new full - wave measurement circuit structure is put forward that would increase distribution automation system reliability and veracity. the distributed protection and monitoring unit in this paper can instead of general instruments of low voltage distribution system. it not only combines ampere meter, voltage meter, active power meter, reactive power meter and power meter, frequency meter into a meter, but also increases monitoring position switch, control bus switching alternately and monitoring energy
本文研製的保護和測控單元,可替代低壓配電系統中所使用的常規儀表,將原來迴路需要的電流表、電壓表、有功功率表、無功功率表和功率因數表、頻率表簡化為一塊表,並增加了位置開關量檢測,控制母線投切和電度監測功能,從而極大的簡化了低壓配電二次儀表設計、安裝調試,提高了運行、維護和管理水平。With the strong dsp as the control unit, the design of main circuit structure is provided, and the control policy for the main circuit loop, the tuning of the triggering angle for thyristor are given
在具體的系統實現中,變換器主迴路選擇環流控制方式,採用高性能dsp作為模糊控制核心,通過加權平均判決的模糊決策演算法對變換器主迴路晶閘管的觸發角進行調制,從而有效控制輸出電壓波形。At first, the development and fundamental of monolithic switching power supply are presented in this thesis. then a novel monolithic switching power supply circuit only with four terminals is analyzed at detail. it uses pulse skip modulation and current - mode topology
論文研究了一種作為psoc原型電路的四端單片開關電源電路,此電路採用新型的跨周期調制模式,與傳統的脈寬調制模式相比,提高了輕負載下的工作效率;整體控制迴路採用電流峰值控制模式。At light loads, the architecture allows the chip to “ skip ” cycles to reduce power dissipation. in the circuit design, the basic principle and small signal model of the boost power stage are given at first, and then the stability and small signal model of the control loop are also analyzed, finally, the whole chip architecture and sub - block parameters are presented according to the application requirements
在電路設計中,首先闡述了升壓型直流轉換器的功率輸出級的拓撲結構、基本原理、小信號模型,然後分析了電流模式控制迴路的穩定性及小信號模型,最後根據應用要求進行了電路的總體架構設計,完成了每個子電路的各種參數的分析、計算。A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method
該協調恢復策略的三個特點是:在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路;在交流故障被切除后的一個短暫時間內,逆變側採用定交流電壓控制:對不同的直流輸電子系統採取一種漸進的恢復策略。From the engineering practice of the optomechatronics design for fast, the working principle for system and hardware realization are described, and motor ascending and descending velocity arithmetic is discussed in this thesis, including the realization of the system control loop, the principle of servo control card and its hardware and software realization, the principle of moment real time detect equipment and its hardware and software realization
其中包括以下幾部分: 1 、系統總控制迴路的工程實現方法; 2 、伺服控制卡的工作原理、電路組成及驅動軟體工作流程; 3 、力矩實時檢測裝置的工作原理、具體實現電路和軟體工作流程; 4 、針對電機的轉速突變時容易出現沖擊抖動的情況,提出了電機升降速的控制演算法。The mixed control chip sg3525a combined with hardware pi controller generates the high - frequency pwm pulse for the first inverter. the digital control block tms320lf2407a mainly provides current preset for constant - current source through the outer filter, pwm pulse for the second inverter and drive signal for the high - frequency pulse power supply
其中變極性電源的一次逆變pwm信號由pwm發生晶元sg3525a ,配以外部硬體電路pi調節器產生;一次逆變閉環控制迴路的電流給定(配以外部濾波) 、二次逆變pwm驅動以及高頻脈沖電源的控制則由tms320lf2407a數字控制器實現。Dc low voltage control circuit is adopted that it is more suitable for the long time work under the unsteady power
採用直流低壓控制迴路,更適于電壓不穩連續長時間工作,安全性高。分享友人