恆壓源 的英文怎麼說
中文拼音 [héngyāyuán]
恆壓源
英文
constant pressure source-
In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given
第二章分析了標準振動臺的工作原理和結構,在此基礎上,建立了標準振動臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的振動臺傳遞函數及幅頻、相頻特性曲線,列出了不同頻段間的轉折頻率。To tune up the frequency of power supply by the transducer in the system, this adjusting make the speed of electromotor and performance curve of pump change. at last, it make the status of a pump alter
在變頻調速恆壓供水系統中,單臺水泵工況的調節是通過變頻器來改變電源的頻率f來改變電機的轉速n ,從而改變水泵性能曲線得以實現的。Five different structures are described : standard transformer coupling, parafeed, resistively loaded stage capacitively coupled to the output transformer, tube ( valve ) based constant current source load capacitively coupled to the output transformer, and solid state ( mos fet ) constant current source load capacitively coupled to the output transformer
我們將討論五種不同的方式:標準變壓器耦合;旁饋耦合;電阻性負載電容性耦合至輸出變壓器;膽恆流源負載電容性耦合至輸出變壓器;以及晶體管恆流源負載電容性耦合至輸出變壓器。This thesis comes from the technological innovation project 2002 in xi ' an. the research is focused on the adaptive hybrid excitation synchronous generator system with constant output voltage. in order to keep the output voltage constant, the adaptive control is introduced in the digital voltage regulator of the generator system
本課題來源於2002年西安市重大技術創新工程計劃?自適應復合勵磁恆壓同步發電機系統的研究,通過採用數字電壓調節器對復合勵磁同步發電機的自適應控制,實現發電機的恆壓發電輸出。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。Aeronautical static inverter ( asi ) is a kind of static converting device, which converts the dc ( 27v / 270v ) in the main power of aircraft into ac of constant - voltage and constant frequency by means of power semiconductor devices. with the development of the aircraft, all the electric equipment on the plane requires the power supply system with better performance
航空靜止變流器( asi ? aeronauticalstaticinverter )是航空電源系統的二次電源,其作用是將飛機主電源直流電27v或270vdc變換成恆壓恆頻單相115v 400hz ,單相36v 400hz ,三相115v 200v ,或三相36v交流電,供飛機上負載使用。The dc regulated power supply provides steady voltage to signal circuit, driving circuit, relay safeguard circuit and so on
直流穩壓源用於對實驗單元中的信號產生電路、驅動電路以及繼電操作和保護電路提供恆壓電源,使得這些電路能夠正常工作。The hspice simulation results indicate that the charging current is up to 2a and the precision of termination voltage is very high with the error only around 10 - 3. the efficiency is approximate 68 % when the ic is powered by fix voltage source and up to 95 % when the ic is powered by current limited source
Hspice模擬結果表明,該晶元恆流模式下最大充電電流為2a ;對充電終止電壓的控制精度高達10 - 3 ;當採用恆壓作為電源時,充電效率為68 %左右;當採用具有電流限制功能的電源時,充電效率可達到95 % 。With the development of power electrical technology and power element product technics, vscf generating system has better foreground and more broad scope of development. and power inverter, which has important effect on the whole generating system, is the core of vscf generating system
在交直交型變速恆頻電源系統中,功率變換器將直流電轉變為恆頻恆壓交流電為飛機用電設備供電,其工作狀況直接關繫到整個變速恆頻電源的系統性能,因此是變速恆頻電源系統的核心組成部分。Research on the construction of voltage controlled constant - current sources with operational amplifiers
用運算放大器構成壓控恆流源研究Due to this, it is important to improve the hydraulic power system and enable it to control the pressure change at the measuring points of the servo valve, thus to develop the syt - ii servo valve overlap hydraulic measuring platform and improve the processing quality of servo valve
因而對其油源系統加以改進,使其能控制伺服閥測量口處壓力變化,進而開發出高精度的恆壓油源,研製出syt - ii型伺服閥疊合量液動測量臺,提高伺服閥的加工製造水平。Research on mathematical model and self - oscillatory paramters of the non - linear hydraulic system with constant pressure souce
帶恆壓慣性源的非線性液壓系統的數學模型和自持振蕩參數的研究Uninterruptible power system ( ups ) has power storage parts, an ac / dc converter and a dc / ac inverter as major components
Ups ( uninterruptiblepowersystem ) ,即不間斷電源,是一種含有儲能裝置,以逆變器為主要組成部分的恆壓、恆頻的不間斷電源。Introduce the research and application of constant - pressure hydraulic power both in china and abroad and put forward and analyzes several constant - pressure hydraulic power controlling methods and pick out constant - pressure hydraulic power controlled by the proportional relief valve that fits the measuring system mostly
依據國內外恆壓油源系統的研究及應用現狀,提出了幾種油源恆壓控制方案,分析各種方案的優缺點並選出適合測量系統的比例溢流閥控恆壓油源方案。There are two functions in the fault injector, one is the realization of digital controller ’ s work environment by simulating the electrical characteristics of sensors and actuators, another function is the control of the fault injection which is realized by the voltage - controlled constant voltages source and relay switch circuit etc. the manage compuer is in charge of the fault mode setting, fault injection process controlling and result data retrieving
在故障注入器上,通過對傳感器和執行機構電氣特性的模擬提供控制器的運行環境,利用壓控恆壓源和繼電器開關等電路實現多種故障注入方法;作為故障注入器上位機的管理計算機,負責故障模式設置、故障注入過程式控制制和結果回收處理。For the driving form, this system designs high - stability bipolar constant current source which can continuously be adjusted by voltage. this constant current source can offer drive magnetic field for the actuator
對于驅動形式,本文採用了恆流源驅動,設計了高穩定度的壓控連續可調型雙向恆流源作為驅動器的輸入來提供驅動磁場。Abstract : a design method of using gal to make a constant current source is introduced , proving a new method of current stabilization by means of driving regulated transformer by a controlling device. experimental results are given to demonstrate effectiveness of the method
文摘:主要介紹以可編程門陣列器件構成恆流源核心控制電路的設計思路,通過機電自控裝置驅動可調變壓器實現新的穩流方法,實驗證明這一方法是可行的。Otherwise, an active integral chaotic measuring circuit is suggested based on the analysis of the present nonlinear circuits in this paper, which gets rid of nonlinear distortion of map function in constant - voltage mode and defect of constant - current source operating on - off state. using a general operational amplifier, high precision can also be obtained. a nth - order chaotic measuring system can be composed of its interconnection
另外,本文在分析原有非線性電路的基礎上提出一種有源積分式混沌測量電路,它克服了恆壓式測量電路映射函數存在非線性失真、恆流式測量電路不宜工作在開關狀態的不足,利用普通的運放也獲得較好的測量精度。The mathematical model of electro - hydraulic servo system is given and the models of unchangeable pressure oil supply and pipes are emphasized. based on this, the simulation structure of control system with double closed loops is built
建立了電液伺服控制系統的數學模型,給出了恆壓油源和管道的數學模型,並在此基礎上建立了雙閉環控制系統的模擬框圖。Shortcomings of the ordinary non - balance electric bridge with constant - voltage source were analyzed, and a linear non - balance electric bridge with constant - current source was presented
摘要分析了常用的恆壓源非平衡電橋的缺點,提出了一種恆流源線性非平衡電橋。分享友人