flow control circuit 中文意思是什麼
flow control circuit
解釋
調速迴路-
By using the larger magnetic permeability, magnetic fluid was used to improve the magnetic circuit efficiency in torque motor, enlarge the output torque and displacement of torque motor, and the output flow of servo valve. correspondingly, the ability of noise - overcoming and system damping was enhanced due to the property of magnetic fluid. as a result, the stability of servo valve and servo - control system can be improved
由於磁流體具有較大的導磁率，可提高力矩馬達磁路效率、增大力矩馬達的輸出力矩和位移，從而增加伺服閥的輸出流量;同時，利用磁流體的粘度特性，可增強力矩馬達阻尼及抗干擾能力，從而增強伺服閥及伺服控制系統的穩定性。 -
The design of control circuit for the flow control of water heater
熱水器出水的控制電路設計 -
The whole part of the data acquisition is build in a computer as two data acquisition cards. they are front card and rear card. the front card composed of four modules. they are : coin circuit module, data flow controller module, sdram array module and system bus interface module. the rear card composed of four odules. they are : asynchronous serial port interface module, adc control odule, ecg signal process module and gate control data produce module
數據採集模式實現部分的大部分工作是在前面板上完成的，後面板主要是一些外圍電路。前面板採集卡上從物理上來說主要有四塊電路:符合電路，數據流控制器電路， sdram陣列和系統總線介面電路組成。後面板採集卡從總體物理上主要有四塊電路組成: 485串列通信電路， adc控制電路，心電數據處理電路和門控信號產生電路。 -
This thesis discusses the aerial camera " s operating flow, the consists of control system and operating principle. in addition, it introduces the realization and development of singlechip technology in aerial camera control system. the design of control circuit " s hardware and software are presented in detail
本論文闡述了航空相機航拍工作流程、控制系統的組成及其工作原理，以及單片機技術在航空相機控制系統中的實現與開發，重點論述了課題中所研製的控制電路的硬體設計和軟體編制。 -
The basic software consists of topology analysis, on - line load flow computation, state estimator, security analysis, dispatchers training simulator, short circuit current computation, and voltage / reactive power optimize, etc. the derived softwares consist of load control, capacitor optimizer configuration, transformer and feeder load distribution, impedance computation of generator, etc. network analysis software is powerful dispatch tool, though witch the current state of the power system can be realize, then improve the security and economic potential
Dms網路分析的基本軟體有：網路結線分析、潮流計算、狀態估計、負荷預報、短路電流計算、電壓無功優化等。派生軟體有：負荷控制、電容器優化配置、變壓器與饋線負荷分配、電源阻抗計算等。網路分析軟體是有力的調度工具，通過它可以了解和掌握當前的運行狀態，從而挖掘安全和經濟方面的巨大潛力。 -
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。 -
Secondly, the main stuctures of the software and hardware parts of the control system are introduced. principles and realization of the main functional blocks of these two parts are illuminated. on the hardware of the system, parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly. based on the hardware circuit, the software is programmed with assembly language. dual close loop vector control weth feedback of speed and current are realized. the flow charts of main programme and pwm interrupt service routines are given. the important control strategies of vector control pmsm such as current sensint and scaling, speed sensing and scaling, bector co - ordinate transformation, generation of sine and cosine, pi regulators, svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines. in order to unite all the variables in the programme, scaling is used
硬體方面主要論述了控制電路各部分及外圍輔助電路的設計和調試。在硬體的基礎上，軟體採用匯編語言編程，實現了轉速和電流雙閉環矢量控制。給出了系統主程序和pwm下溢中斷處理程序流程圖， pmsm矢量控制的主要控制策略如電流采樣與定標、速度采樣與定標、矢量坐標變換、 sin和cos值生成、 pi調節、 svpwm波形生成等都是在pwm下溢中斷服務子程序中完成的。 -
An electrical relay used to control the flow of power in a circuit
開關一種用來控制電路中電流量的電流器件 -
Three - phase full bridge controlled rectifier, filter circuit and the common loads " mathematics models are built and analyzed. according to the rate of the transition process, the controlled rectification power supply can be classified into fast response and slow response. based on identification of the transition processes using the slope method, the different fuzzy control strategy is adopted. the control method can meet the requirements of real time control and non - error regulation. the simulation results verify its practibility. after that. the design scheme based on dsp is introduced including the design of hardware and software flow chart. emc is an important aspect which can not neglected, so the designs of emc are summarized including hardware and software
根據過渡過程的快慢將可控整流電源系統分為快響應過程和慢響應過程，本文在利用響應曲線斜率法辨以過渡過程的基礎上，分別針對快響應過程和慢響應過程採取了相應的模糊控制策略，以滿足快響應過程要求實時控制，快速跟蹤誤差變化，慢響應過程要求精確定位，無差調節的要求，模擬結果驗證了該方法的有效性，進而分析了用dsp實現該調節器的硬體電路和軟體流程的設計思路。 -
Finally, the control part of the tightening machine is introduced. the closed loop control is applied in the whole of control part and the control precision can be improved. the principle diagrams of the main circuit and the program flow diagram of the main control system are given
最後，對擰緊機的控制部分進行了介紹，整個控制部分採用閉環控制，提高了控制精度，文中還給出了主要電路部分的原理圖和主控單元的軟體流程圖。 -
The method uses piezoelectric transducer ( pzt ) as vibration - compensating device. the design of electro - circuit and the control flow with dsp are described in details. the mechanism of pzt driven mirror and the pzt driver are greatly improved on their performance of frequency response and linearity
文中詳細討論了用於單點式抗振方案的電路設計及dsp的程序編制，並對系統頻響的瓶頸? ? pzt移相器的機械結構和驅動電源作了改進，使其頻響及線性度大大提高，從而整體上提高了抗振的效果。 -
The proposed driving circuit includes a low - pass filter circuit 、 feedback circuit 、 signal generated circuit 、 phase shifted circuit and power inverter circuit. a ti cooperation ' s dsp ( tms320lf2407a ) is chosen for the drive and control system based on the characteristics of usm, the interface circuit 、 each function ’ s flow chart and algorithm program are designed
根據usm的特點，選取一款專用於電機控制的dsp晶元tms320lf2407a ，設計了硬體介面電路、各功能部分的流程圖及控制演算法程序，以ccs為編譯環境，進行電機整個控制系統的軟體編寫與調試。 -
To meet this request, we develop the process control experimental system. it use all kinds of sensors to obtain the value of pressure, liquid location, temperature, flow ? four kinds of basic physical quantities, etc. and through the intelligent meters, data collecting circuit, it sends the measuring signal to the computer, then realize the functions such as fictitious showing, data processing and real - time control by industrial configuration software
為滿足這一要求，我們研製開發過程式控制制實驗系統，它採用各類傳感器，獲取壓力、液位、溫度、流量等四種基本物理量，並通過智能儀表、數據採集卡，將測量信號轉送到計算機，再利用工控組態軟體完成虛擬顯示、數據處理和實時控制等功能。 -
Three kinds of circuit are developed for position transducers, force transducers and flow transducers. the control method of a positioning system is discussed in detail according to analysis, modeling and simulation
針對具體項目，開發了力傳感器、位移傳感器、流量傳感器信號的放大變送電路，模擬量、開關量信號調理電路。 -
Chapter two discusses the data acquisition circuit. chapter three discusses the control system whose core is mcu 89c51 and data processing control flow
第三章：主要討論了以單片機89c51為核心的控制系統的硬體設計以及數據處理和控制流程。
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