constant-current control 中文意思是什麼
constant-current control
解釋
恆電流控制-
Acr, constant current control or automatic current regulator
定電流制御 -
This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power
實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。 -
The technology of high power constant current charging, high voltage heavy current discharging switch, high speed and high voltage pulse generator, precision synchronization delay, auto control and so on are concretely introduced in this paper
具體研究了大功率恆流充電技術、高壓大電流放電開關、高速高壓脈沖發生器、高精度延時同步技術及系統自動控制技術。 -
Abstract : the author puts forward a constant - current control system of diode rectifier with saturable reactor in electrolytic aluminum. the working principle of saturable reactor is depicted. also analyzed are the system configuration and features of system correct circuit
文摘:介紹了應用於電解鋁的加飽和電抗器的二極體整流器的恆流控制系統，簡述了飽和電抗器的工作原理，分述了系統構成和系統校正電路的特點。 -
Under the control of a current loop, the system can make advantage of the motor ' s ability of over - current with a maximum limit, as a result, the motor can implement constant - current staring under a maximum let - through current. therefore, the motor ' s rotational speed can rise at a maximum acceleration and reach the given speed within the shortest time
在電流環的控制下，系統在起動的時候能夠最大限度的發揮電機的過流能力，使電機以最大允許的起動電流恆流起動，則電機轉速可以以最大的加速度上升，並且以最快的時間達到給定轉速。 -
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。 -
The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )
硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。 -
The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc
系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。 -
A simple constant voltage and constant current charger has been improved, the state of float charger has been added to the charger in order to guarantee the full charge of battery safely, with high charge speed. experiment results and detailed designs of power circuit and control circuit of the charger are presented
本論文對一種簡單實用的恆壓恆流充電器進行了改進，在恆壓恆流充電的基礎上加入了浮充狀態，從而保證了蓄電池的滿充；同時對充電器的功率電路和控制電路進行了詳細的設計，並且給出了實驗結果。 -
In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors
本文以永磁同步電動機為研究對象，分別對同步電動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究，研究中採用了電流滯環控制方法，可有效地限制過電流現象；此外採用磁鏈跟蹤法對位置開環和位置閉環的步進控制系統分別進行了探討與研究，研究表明，採用矢量細分后，可有效地減小電流波動。 -
Then the control system for boring the non - cylinder pin hole of piston was developed, whose main function modules including displacement detection, temperature detection for thermal deformation compensation, constant current power and central control unit
然後研製了活塞異形銷孔加工控制系統，包括主控、位移檢測、熱變形補償溫度檢測和恆流源驅動等功能模組。 -
It avoids the disturbance of the constant current source by improved constant current source method, with high precision and nice resolving power. the circuit has wide application with simple structure, low cost, low power dissipation and small. it can be used in the precise temperature measurement and control systems, such as laser diode
用改進的恆流源法測量熱敏電阻的阻值，有效地克服了恆流源的干擾，測量精度高，測量解析度可達0 . 01 ，測溫準確度可達0 . 5 ;並且該電路結構簡單，成本低、功耗小、體積小、具有很高的實用價值，可用於需要精密測溫與控溫系統中，如激光二極體的溫度控制中。 -
Input pulse signal can be directly transformed into micro - step linear motion by use of linear pulse motor, which have found wide applications in the digital linear servo systems with high positional accuracy and high reliability. taking slpmu - 025a, a two - phase hybrid lpm manufacturing by shinko motor company ltd, as an specimen, the study on the drive control system is carried out in this thesis, which contains : ( l ) three kinds of drive circuits are designed and comparison analysis in theory is done ; ( 2 ) introduction to at89c51 microchip as controller and special micro - step constant current driver, a great variety of running modes driver control are developed ; ( 3 ) experimental testing and theoretical analysis of current waveforms and displacement graphs and velocity graphs are carried out in case of different micro - step constant current driver
本文以日本神鋼電機株式會社生產的兩相混合式直線脈沖電機slpmu - 025a為樣機，對直線脈沖電機的驅動控制系統進行了研究，內容包括： （ 1 ）設計了幾種直線脈沖電機驅動器電路，從理論上進行了對比分析研究； （ 2 ）用at89c51單片機作為控制器，採用專用的恆流細分驅動器sh ? 2h057m ，實現了開環控制方式下對slpmu ? 025a樣機各種運行方式的驅動控制； （ 3 ）對不同細分數下恆流驅動的電流波形以及各種運行方式下的位移圖、速度圖進行了實驗測試和理論分析研究。 -
The hardware system includes power supply circuit, clock reset circuit, jtag model building circuit, decoding circuit, memory interface circuit, man - machine interface circuit and numeric control constant - current source interface circuit
硬體系統主要包括電源電路、時鐘復位電路、 jtag模擬介面電路，譯碼電路、存儲器介面電路、人機介面電路、 adc轉換電路和數控恆流源介面等。 -
With the application of real - time multi - tasks mechanism and modulization software structure, the controller can set and modify the parameters on - line, collect and process the real - time data of the four - battery charge / discharge devices, termly and digitally regulate the closed loop and monitor the real - time faults, so that the system can control different styles of charging and discharging operate mode such as in constant current style, constant voltage with limited current style and static style
控制器軟體採用實時多任務機制和模塊化的設計思想，通過對蓄電池化成充放電過程中工藝參數的在線設定修改、實時數據的採集處理、定時的數字閉環調節和故障的監測，實現對蓄電池靜電、恆流、恆壓限流等多種充放電工作方式的控制。 -
This controller is based on single - chip microcomputer at89c51, and it can realize automatic welding, line voltage compensation, welding current and voltage display through the combining of constant current and voltage supply control with varied sets of standard parameter storages, fault self - diagnostic programs and system self - protection ability
該控制器以at89c51為控制核心，在恆壓和恆流控制結合的基礎上可實現鋼筋網焊自動化，並具備網壓補償、焊接電流電壓顯示、多套規范參數存儲、故障自診斷及系統自保護等功能。 -
Based on the characteristics of the giant magnetostrictive material, this article designs giant magnetostrictive micro - displacement actuator, and primary research contents are as follows : establishing drive magnetic field structure, designing closed loop control system, constant current source, temperature control system, magnetic field perceptual system and doing experiment testing
本文根據其工作特性設計了一種基於超磁致伸縮材料的微位移驅動器，主要研究內容包括:建立閉環控制系統、設計驅動磁場結構、恆流源驅動電路、溫控系統和磁場感知系統以及系統性能的實驗測試。 -
Simulation research on soft starting of asynchronous motor at constant current based on an adaptive single neuron pid control algorithm
控制在異步電機限流軟起動中的模擬研究 -
In chapter 4, a basic controller of hvdc is designed. for the voltage problem at the inverter, this paper adopts the constant reactive current control at the inverter, which is different from the traditional control method. the constant reactive current control can adjust reactive power consume at the inverter and improve the voltage stability
在第四章hvdc基本控制器的設計中，針對逆變站消耗無功功率與電壓穩定性之間的矛盾，在逆變側採用了有別于傳統方式的定無功電流控制，目的在於調整逆變側吸收的無功功率，從而獲得較好的電壓穩定性。 -
After debugging the waveform control system and man - machine interface system, we program constant - current control software and research respectively the current and voltage step response of power source. at last, the carbon dioxide welding method is realized in the welding machine controlled by the waveform control program. the simulated load test is also made here
本文在完成所設計的波形控制系統和人機介面交互系統的調試后，首先編寫軟體實現了電源的恆流控制，並研究了該電源的電流、電壓的動態響應性能，最後，編寫控制軟體實現了雙斜率波形控制co2焊的功能並進行了模擬短路過渡負載試驗。
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