速度給定器 的英文怎麼說

中文拼音 [gěidìng]
速度給定器 英文
speed setter
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調系統( pwm )和位置環構成的位系統中,環的參數隨負載特性;電網電壓;工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制的設計方法」 ,以確保系統在參數攝動時的穩性和快、無超調、準確位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  2. The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic. it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load

    調的主要功用是檢測機組轉偏差,並將它按一特性轉換成接力的行程偏差,藉以調整機組導水結構的開,使機組在的負荷下以的轉運行。
  3. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差驅動移動機人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機人堆積方程,在此基礎上分析了移動機人的移動能力、並針對兩輪差構型推導了正解與逆解;使用muir和newman的運動學建模方法,推導了移動機人上點及連桿坐標系位姿、變換關系矩陣及求解方法;在移動機人位姿識別方法中結合差驅動構型對航位推演算法進行了分析:推導了一種理論精較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機人作業過程中外界因素及本身設計中引入的各種不確誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。
  4. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點,針對普通的直接轉矩控制在轉矩躍變時反應較慢的缺點,提出了一種模糊控制,把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量,應用模糊邏輯來確逆變的開關狀態,該模糊控制根據一套基於專家經驗和知識的模糊規則來選擇開關狀態,從而有效地提高了系統在啟動和負載突變時的響應
  5. Presents a new algorithm for detection of collision between two convex objects to improve the efficiency of collision detection during robot path planning in the robot simulation system, which establishes a linear system whithout variables based on a linear equation system in euclidean space through a series transformation, and concludes that collision is detected if the system contains no dilemma

    如何進一步提高碰撞檢測的在智能機人路徑規劃中非常關鍵.為此出了一種新的碰撞檢測演算法;它是以空間中的平面方程為基礎,將一組平面方程進行幾次代數變換得到一組常數不等式,觀察這組常數不等式中是否含有矛盾不等式即可判臂是否與空間中的障礙物相撞
  6. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行軌道機動過程中,為跟蹤、位機動目標和干預機動控制過程,需要統計處理離散的雷達觀測量實時估計推進發動機的推力,進而確飛行的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型,推進發動機的質量秒耗量作為表徵推力加的一個近似常量,應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  7. The innovative ideas in this paper are that robust h control theory based on conventional ip controller is applied to the high - precision feed of a single axis, and the controlled plant is composed of ip velocity loop and two - order model of linear motor. a constraint condition on y in the problem of h2 / h is deduced from the frequency criterion of riccati equation, which makes the repeated computation on r simple. considering the two - loops control problem, the h state feedback controller based on ip controller as the inner controller is applied to satisfy the velocity performance of the system, and a pi controller, the external controller, is used to satisfy the position performance

    本文的創新之處在於將傳統的ip控制和直線電動機的二階模型作為一個廣義的被控對象,利用魯棒h _控制理論設計了一個h _狀態反饋控制,以此解決高精的控制問題,並在此基礎上研究了h _ 2 h _混合控制問題,結合h _代數riccati方程正解存在的頻率判據,推出了一個控制存在的約束條件,使以往須反復試探的,有了更進一步的約束范圍,簡化了計算。
  8. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂更快,性能更優,且對系統階次的過確表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波跟蹤時變通道抽頭變化,可以快跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確保持穩健的優點;結合小波多解析分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,出一種時變系統處理模型。
  9. At the end of the experiment, we reconstructed the subsystem of second air measuring, i. e. we used airfoil measuring equipment as a replacement of original equipment of flute pipe. we also demarcated the velocities of spouts of burner which can deal with correlative data, and which can provide some help for operation

    最後又對監測系統二次風測量子系統進行改造,將原笛型管裝置修復為機翼測風裝置,對傳感進行差壓標;在爐內噴口處標,將數據進行處理,提供熱工控制顯示用,對運行調整提供了幫助。
  10. On the other hand, in the new system the heater is set up directly in front of the accelerating tube so that stable cooling water can be supplied, because temperature can be roughly uniform as the lowest portions of the unstable temperature through heating

    ?來冷卻冷卻水溫熱交換冷水量三方弁調節。當社加管直前設不安谷間加熱安冷卻水供可能。
  11. Abstract : in this paper, a principle and method of the speed pulse waveform sampling are introduced. its object is to study an effect of the turning factor on torbulence. test is done in the aerofoil fengwen. on design of the user interface, application of the timer and displaying way of a pape and continuity are specifically discussed. expermental results and analysis is showed at the last

    文摘:以翼型風洞為對象,著重介紹了變湍流對翼型轉捩因子影響的脈動波形採集的原理和方法,重點對波形採集系統用戶界面的設計、的應用、分頁顯示和連續顯示等技術進行了具體介紹,並出了實驗結果及分析。
  12. But circuitry net table which is synthesized by synthesizer is not necessarily achieve the demand of designer, so aim for the speed demand of destination, the sequence circuit which is synthesized demand speed optimization

    但是由於綜合綜合得到的電路網表不一能達到設計者的設計要求,所以需針對要求,對綜合得到的時序電路進行優化。
  13. We can n ' t get result on how to change course and speed to make collision avoidance, this can help little on collision avoidance decision. the article aims at the default on radar simulator and implements the standard result on radar simulator by making use of mcu. the main production is below : first, we calculate how to chang course and speed on the destine point by mcu. we get the new course and new speed on the destine point, we get the point to resume original course and speed, we get the distance and azimuth to resume original course and speed on given course and speed, the six essential : dcpa, tcpa, distance, azimuth, real speed and real course

    本論文針對當前雷達模擬標繪訓練中的不足,實現了利用單片機進行雷達模擬標繪標準值的計算,主要成果有以下方面:首先,利用單片機計算得到了在預點改變航向和改變航的計算,求得預點改向的新航向c _ n和預點變的新v _ n ,恢復原航向和原航的時機點的計算;在避碰的新航向、航的條件下,計算出恢復原航向航的時機點h的距離r _ h和方位_ h ;目標船的六要素,即dcpa 、 tcpa 、距離r ( t ) 、方位( t ) 、真航v _ t和真航向c _ t 。
  14. The chapter of software design firstly introduces the flowing chart of whole system, and discusses the whole design idea, giving the flowing chart of main program and interrupting service sub - routine of timer and part of program code. then interrupting service sub - program and velocity measuring sub - program are expatiated in detail

    軟體部分首先介紹了系統軟體流程圖,論述了軟體的整體設計思想,出了主程序、中斷服務子程序流程圖及部分程序代碼,較詳細地介紹了中斷服務子程序、檢測子程序。
  15. Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd

    測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ,由它對超聲波回波脈沖進行ad采樣后,計算目標距離並在七段數碼管上顯示。測雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行采樣,計算出目標運動后,送輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ,並且在液晶顯示上顯示信息。
  16. The solutions of maximum measurement range and the methods to increase the measurement are given in the condition of stable state and the restricted parameters. how to compensate dynamic performance of servo - system and the analysis of response of system in different inputs are given, too. in this paper the movement equations of the seismic mass of inertial sensor are derived by the known models of the accelerometer

    主要包括:敏感質量偏心距、橫向加干擾和外加偏壓對傳感性的影響,出穩和參數受限條件下最大量程的求解以及提高量程的方法,研究如何補償伺服系統動態性能,以及不同輸入條件下系統響應的分析。
  17. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節進行了改進,提出轉調節和電流調節採用分段pid結構,根據所處的區間,自動選擇相應pid調節的參數,拓寬了調范圍,提高了控制精
  18. The response rate speed governor to the given power signal directly affects the load regulating process of generatorset

    摘要調對功率信號響應,直接影響著機組負荷的調整過程。
  19. ( 2 ) using the method of parameter identification in literature [ 117 - 118 ], selecting gain function : giving the initial value of the parameter observer from the time serial of output variables of the system, the numerical simulation result shows that the parameter observer proposed in this paper can identify the unknown parameters of the system quickly and exactly no matter if the parameters keep invariable or change in some rule, and the identifying speed is faster than the method in [ 117 - 118 ], when the unknown parameters are being identified, vith parameter compensator, it can synchronizes two hyperchaotic systems completely even if some parameters mismatch

    ( 2 )採用文獻[ 117 - 118 ]提出的參數辨識方法,通過選取更一般的增益函數: l _ i ( x _ i ) = kx _ ii = 1 , 2 , 3並根據系統輸出變量的時間序列出參數觀測的初始值來進行參數辨識,數值模擬結果表明:採用本文的參數觀測,在系統參數固或變化的情況下,都可對系統未知參數實現快高精辨識,辨識的快于文獻[ 117 - 118 ]提出的方法;在辨識參數的同時,結合參數補償,使兩個參數不匹配的超混沌系統同步。
  20. The definitions of two critical speeds of the target ( undetectable speed and partially detectable speed ) are given, and the functional relation between these two speeds and sensor parameters are presented

    據此分析了目標的與檢測可能性之間的關系,出了不可測臨界和部分可測臨界義及其與傳感參數之間的函數關系。
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