速度比例控制 的英文怎麼說
中文拼音 [sùdùbǐlìkòngzhì]
速度比例控制
英文
speed-ratio control- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 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...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Flexible gain control switching speed loop pi proportional - integral control and p proportional control switching can suppress overshoot and undershoot while motor speeds up or down
速度迴路pi比例積分控制與p比例控制切換,抑制馬達加減速時overshoot與undershoot現象The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil
該系統的特點及其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點,發動機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅動系統中電液比例閥的控制電流,進而控制液壓油的流量,即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動,然後由單片機根據液壓油的溫度控制電動機的起動和停止。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。Proportional valves to continuous, proportional to the implementation of components of the control, speed and direction, pressure and can prevent or to the exchange rate changes and the impact of the phenomenon of simplified systems to reduce the usage of components
比例閥能連續地、按比例地控制執行元件的力、速度和方向,並能防止壓力或速度變化及換向時的沖擊現象簡化了系統,減少了元件的使用量。The control precision of the slider with 2400mm effective stroke can reach 0. 05mm. the properties of the position control system are not exigent, only the dynamic non - overshooting and the stable - state - precision are considered. the system has given out satisfactory result when used in practical engineering, 0. 03mm position control precision has been achieved, on account of dead band, the performance of proportional valve is worse than that of servo valve, but some advantages of proportional valve has made it more fit for industrial control
系統方案採用重復性能(反向回差)好的比例方向閥,使有效行程為2400mm的滑塊控制精度達到0 . 05mm ,位控系統快速性要求不高,主要考慮系統穩態重復精度,此方案在實際工程中已經取得了滿意的效果,位置控制精度達到0 . 03mm ,可以取代同類產品中日本川崎重工的泵控系統。Chapter three discuss the actuality of highroad engineering cost of our province through four methods, such as general analysis, comparable conversion analysis of some projects, measure the cost of highway segment and analysis of type, form the viewpoint of the stage of design and execution if the major stage that we must pay more attention to
第三章分別從總體分析、部分路段的建安費可比換算分析、高速公路各部分造價比重分析及典型公路實例分析等方面,多角度、多方位論述了浙江省公路工程造價的現狀,提出了重點控制設計與施工階段的觀點。Moreover, some beneficial practical research has been done about fuzzy - pid control algorithm in position loop design
其中電流環採用比例調節演算法;速度環採用比例積分調節演算法;位置環採用模糊自整定pid控制演算法。With regard to the flow regulation of the best - effort traffic, the controllable traffic in high speed computer communication networks, the present paper proposes a novel control theoretic approach that designs a proportional - integrative ( pi ) controller based on multi - rate sampling for congestion controlling. based on the traffic model of a single node and on system stability criterion, it is shown that this pi controller can regulate the source rate on the basis of the knowledge of buffer occupancy of the destination node in such a manner that the congestion - controlled network is asymptotically stable without oscillation in terms of the buffer occupancy of the destionation node ; and the steady value of queue length is consistent with the specified threshold value
本文從控制理論的角度出發,針對計算機高速網際網路中最大服務交通流即能控交通流的調節問題提出了一種基於多速率采樣的具有比例積分( pi )控制器結構的擁塞控制理論和方法,在單個節點的交通流的模型基礎上,運用控制理論中的系統穩定性分析方法,討論如何利用信終端節點緩沖佔有量的比例加積分的反饋形式來調節信源節點的能控交通流的輸入速率,從而使被控網路節點的緩沖佔有量趨于穩定;同時使被控網路節點的穩定隊列長度逼近指定的門限值。The electro - hydraulic proportional control law is given. the laws of tracking control of displacement and speed of aircraft as well as tracking control of angle and angular speed of belt wheel are designed by means of state feedback linearization and quadratic performance index linear optimal control method. the robustness of the designed systems is analyzed, and arresting processes are simulated
給出了電液比例控制規律;利用狀態反饋線性化及二次型性能指標線性最優控制方法分別設計了系統跟蹤控制飛機位移與速度以及跟蹤控制帶輪轉角與角速度的非線性控制規律;對所設計的攔阻系統進行了魯棒性分析及攔阻過程模擬,模擬結果表明,通過選取適當比例系數或控制權系數,兩種控制系統的控制效果及魯棒特性均優于新型飛機攔阻系統。The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines
永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。Chapter 2 describes the working theory of the hydraulic elevator control system, and introduces the components of this system, especially the vsvii integrated valve, which could be regulated by the controller of single chip processor with flexible control strategy. also the mathematical models for the hydraulic elevator control system with vsv ii valve are derived and the simulation is made
論文的第二章主要介紹採用轎廂速度反饋電液比例控制的液壓電梯的工作原理,分析了本課題所採用的控制系統的各個組成部分,特別介紹了本課題組自行研製的vsv型液壓電梯專用比例閥和計算機監測系統,並對液壓電梯速度控制系統進行了建模和模擬。Until now, there have had the single way proportional valve controlling the power or the route, double way ratio valve controlling the orientation. they cover flux control, pressure control, velocity control and position control. according to these functions, ratio amplifier has single way or double ways type amplifier
由於比例閥已經發展出單通道力、行程控制比例閥,雙通道方向控制比例閥,廣泛用於流量、壓力、速度、位置控制等環節中,比例放大器也本著這些功能研製出了單、雙通道的比例電控器。2. based on the original bp network, some improvement on error back propagation arithmetic is made. the executing speed of the algorithm is increased through online adjustment of learning rate. combined with traditional pid control, this method generated two integral schemes : bp network + pid serial control and self - confirming control of parameters of pid controller based on bp network are constructed
在原有的誤差反向傳播( bp )網路的基礎上,對其學習演算法進行了改進,通過在線調節學習速率,提高了演算法的實現速度,並且與傳統的比例積分微分( pid )控制方法進行結合,分別實現了兩種集成方法: bp網路與pid串列控制方法和基於bp網路的pid參數自整定控制方法。In this paper, a new and practical real - time gain - tuning method for proportional plus integral ( pi ) controllers has been introduced, using the speed control of a permanent - magnet synchronous motor drive system as a studied object
本文以永磁同步電動機伺服系統的速度控制系統作為研究對象,系統地介紹了對比例-積分( pi )控制器的增益進行實時校正的調節方法。The proportional flow valve control system with speed - electric feedback applied in hydraulic elevators can eliminate disturbances of nonlinear source such as oil temperature and load change. in this system, the proportional valve plays a key role
採用轎廂速度一電大閉環反饋控制方法的電液比例閥控系統,可以排除油溫及負載變化等因素引起的非線性干擾,極大地提高了液壓電梯的工作性能。With the development of test - machine technology, in recent years electro - hydraulic universal material test - machine of the country inside and outside develops three different control modes : electro - hydraulic servo valve ' s control ; adopted the pressure valve ' s control with speed controller ; proportion valve ' s control of wide flux
隨著試驗機技術的進步,近年來國內外電子液壓萬能試驗機發展了三種不同控制方式:電液伺服閥控制、採用具有速度控制器的壓力閥控制和寬流量范圍的比例閥控制。This system captures the rack position signal and rotate speed signal of the fuel injection pump, and calculates the circulating fuel injection quantity by programming the computer. then the computer is programmed to control the daq board to generate a certain width pulse. finally, controlled by the pulse, the alcohol injection system injects a certain quantity alcohol into inlet manifold according to a setting diesel / alcohol proportion
該系統採用了在labview平臺上開發的pc總線?插卡式虛擬儀器系統,系統通過採集噴油泵的供油拉桿位置信號和轉速信號,利用計算機計算得出柴油的循環噴油量,再根據程序設定的柴油/酒精比例控制數據採集卡發出一定寬度的脈沖,控制低壓酒精噴射系統按比例將酒精噴入進氣歧管。And the controlling method of pi makes the temperature control quick and stable. at the same time, the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface, so as to realize the remote control of computer to the temperature control equipment. finally, the performance test of the semi - conductor temperature control equipment researched in this paper is carried out, and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0. 2, and the degree of temperature stablization is less than 0. 05
整個系統採用閉環控制結構,使系統的抗干擾能力大大增強;為半導體製冷器量身定做的驅動電路,可以方便的調節通過tec電流的大小和方向,使tec加熱製冷靈活迅速的特點得到充分發揮;使用比例積分( pi )的控制方法使得溫度控制快速穩定;同時,本文還實現了溫控儀與上位機通過串列口和usb口兩種方式的通訊,實現了上位機對溫控儀的遠程控制;最後,對所研製的半導體溫度控制儀進行了性能測試,測試結果表明,半導體溫度控制儀溫控精度達到0 . 2 ,溫度穩定度小於0 . 05 ,滿足了系統設計的要求。Based on the analysis of the fuzzy control principle, this paper presents an fuzzy control method with adaptable coefficients which is used in position control loop. therefore, the speed and placidity demands can be satisfied furthest at the same time
本文在分析模糊控制基本原理的基礎上,給出了一種比例因子模糊自調整的模糊控制策略,將其用於外環的位置控制,以最大程度地滿足高速卷取對臺階迴避快速性和平穩性的要求。To improve the response speed, a p controller is added in the initial stages
在控制初期引入比例控制的作用是提高系統的響應速度。分享友人