regulating variable 中文意思是什麼
regulating variable
解釋
調節變量- variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
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Regulating systems ( balances ) with variable radius of gyration are allowed provided they comply with criteria one ( a ) and one ( b )
帶動擺輪旋轉的擺碟、調校等時節拍的結構和快慢針等機制及其零件,都必須達到法則1a和1b的要求。 -
In this study, the load charateristics of submergible centrifugal pump and the influence of various regulating methods on energy dissipation are analyzed. the loading capacity of the submergible motor in variable speed drive control process is analyzed. the papers simple discribe the basic structure of the variable speed drive system in electric submergible pump > principle of pwm inverter and the basic structure of igbt
在研究中,對潛油離心泵負載性能以及閘閥調節和調速調節對能耗的影響進行了分析;對潛油電動機在變頻調速的負載進行了分析;對潛油電泵變頻調速系統的基本結構、 pwm逆變器原理以及igbt的基本結構進行了簡單介紹。 -
Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water
分析水泵工況的能耗比較圖,可以看出利用變頻調速實現恆壓供水,當轉速降低時,流量與轉速成正比,功率以轉速的三次方下降,與傳統供水方式中用閥門節流方式相比,在一定程度上可以減少能量損耗,能夠明顯節能。 -
Mb series variable speed machine has feature of novel model, beautiful appearance, simple and rational structure, even load distribution, smooth transmission, sensitive in regulating speed and heavy loading capability etc.
Mb系列轉臂行星式無級變速機造型新穎外形美觀結構簡單合理受力均勻,傳動平穩調速靈敏高及承載能力強等特性。 -
There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。 -
A coke oven represents a kind of controlled object with a full spectrum of closely coupled factors, such as distributed parameters, no - linearity, time - dependent change and multi - variable features. among them, the discharge header pressure and fan suction are key parameters, and also constitute strongly coupled variables with very close inter - relation, which are fulfilled by the way of regulating coal - feeding and the rate of primary air supply in practice
焦爐是一個分佈參數,非線性、時變、多變量緊密耦合的被控對象,其中集氣管壓力和鼓風機吸力既是關鍵參數,又是具有緊密關系的強耦合變量,它們均是通過調節給煤量和一次送風量來實現控制的。 -
This paper expatiated that the mathematics models of ac motor is higher order, non - linear and closed coupling, multivariable input - output system. and introduces the principle and the algorithm of sine pulse width modulation ( spwm ), opened - loop space voltage pulse width modulation control ( svpwm ) and field oriented control ( foc ). finally, realized the control strategies of variable - frequency speed regulating using assembly and c language
文中闡述了交流異步電機的數學模型是高階、非線性、強耦合的多變量輸入輸出系統,介紹了交流電機的正弦脈寬調制、開環電壓空間矢量的u / f控制和磁場定向控制的原理及控制演算法,並利用dsp構成控制系統,通過匯編語言和16位定點c語言混合編程的方法實現了上述的變頻調速控制策略。 -
The control method adopts different control variables at different regulating time, which is similar to huamn ' s macro - regulating and micro - regulating process, and each control variable approaches to a constant at last
該控制演算法模擬人在控制時的粗調和微調,並使控制量逐步逼近最終穩定控制量的過程。 -
The basic link carries out the function of the conventional fuzzy controller ; the adaptive link performs the modification of the control rules and includes three keys : the properties measurement, the rectification of controlling variable and the modification of the control rules. this method is simple. it is also flexible and convenience to modify. the result of the will testify that the design way is correct and the sa fuzzy controller is useful. for short of time, 1 just focused on theoretical discussion of acvf speed regulating system of sa fuzzy control
基礎層完成和常規模糊控制器一樣的功能;自適應層則執行控制規則的修改,包含性能測量、控制量校正及控制規則修改三個關鍵步驟。這種方案設計思路簡單、修改靈活方便,體現武漢理工大學碩士學位論文這種自適應模糊控制的優越性。山于時間,本文僅從理論角度討論了船模自航試驗調速方案的自適應模糊控制,進一步更深入的實踐研究是今後亟待完成的任務。 -
In power decentralized system, there are not pump / fan installed in main pipe, but also in branches, using the variable speed control to regulating the flow, valve energy consumption can be reduced or avoided, but the investment is higher and control is complicated
動力分散系統不但在系統的母管上,而且在各支路上設泵(或風機) ,並實行變速控制以調節流量,可以減少乃至消除調節閥能耗,但投資增大,控制復雜。 -
On the basis of analyzing status in quo of the waterworks in our country, this paper designs a suit of constant pressure water supply automatic control system by using variable frequency speed - regulating technology based on plc
本論文結合我國中小城市供水廠的現狀,設計了一套基於plc的變頻調速恆壓自動控制供水系統。 -
This paper primarily introduced the research and implementation of ac motor variable - frequency speed regulating system based on dsp
本文主要介紹了基於dsp的交流異步電機變頻調速控制系統的研究和實現。 -
According to the test, the variable - frequency speed regulating system not only can regulate speed smoothly in 5 ~ 50hz scope, but also have good dynamic and static performance. the test results confirmed that the design of variable - frequency speed regulating system is effectual and feasible
通過實驗證明:該調速控制系統可以實現在5 50hz范圍內平滑調速,且具有良好的動靜態調速性能,實驗結果驗證了系統設計的有效性、可行性。
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