過載計數器 的英文怎麼說

中文拼音 [guòzǎishǔ]
過載計數器 英文
g-counters
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 計數 : count; tally; counting計數卡 numbered card
  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

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參隨負特性;電網電壓;給定工況而攝動是不容忽視的.作者通系統辨識建模也證實了這一事實1 , 2 .因此在設位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參攝動范圍採用「對象參攝動離散滑模控制的設方法」 ,以確保系統在參攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設方法的控制效果,本文作了對比性研究,並將該設方法用於工業試驗中,取得了滿意的結果
  2. Through the implementing of kernel level file and cache mechanism at the client side, this newly proposed distributed network file system provides seamless network file access and reduces the performance decline caused by network transmission. utilizing the concept of logic block server, it provides the reliable data block storage and implements redundant storage capacity. utilizing the concept of the index server, it provide s the cost of the greatly for server and network during data access process and realizes the computing with balancing capacity

    在客戶端通實現內核級文件的調用和緩沖機制,實現了文件的無縫網路存取,並減少由於網路傳輸帶來的性能下降的影響;利用邏輯塊服務實現邏輯塊的冗餘存取,實現據塊的安全存放;利用索引服務進行負均衡算,實現資料存取的較低網路和服務開銷;利用索引服務實現服務組的零管理,使該系統具有高效性、穩定性和可伸縮性。
  3. By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load

    本文使用5000kn壓彎實驗機,對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗程中,由於實驗機噸位較大,而試驗荷較小,為了能夠有效地控制加大小和加速度,採用通觀察與荷傳感相連的萬用表讀控制加速度的方法,連續加
  4. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中,首先通建立系統的學模型,分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性,包括它的環流特性、功率特性和電壓閉環調節特性;在此基礎上,又研究了幾種典型的並聯運行控制方式;然後,採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負均分控制設了並聯控制
  5. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設進行了系統研究。首先對變頻和變頻輥道電機的運行特性進行詳細分析,變頻輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次相當頻繁,每小時高達600 - 800次,沖擊負荷大,能力要求較高。
  6. The system uses the pc and the at89c52 as the control center of the system. the pc optimizes the control parameters as the calculation control unit. the at89c52 receives the various parameters by serial communication with the power measurement system and the fuel consume measurement system and the emission measurement system and the ecu and so on, then sends into pc by sharing the ram with the pc as the communication control unit

    該系統採用pc機和單片機at89c52為上位機,以pc機作為算控制單元,對發動機控制參進行優化;單片機作為通訊控制單元,與作為下位機的測功系統、油耗測量系統、排放測量系統以及發動機電控單元ecu等子系統進行串列通訊接收各參,並通與pc機共享ram送入pc機。
  7. Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads

    第四章介紹了多執行復合控制實驗系統和實驗方法;介紹了實驗採用的流量控制的pid演算法;並測定了執行控制閥和閥芯位移相關的系;做了單個執行算流量反饋流量控制、流量足夠情況下多執行流量任意分配、流量不足情況下多執行按比例調節流量分配和多執行進油側流量反饋分流控制實驗;通實驗說明了論文提出的分流控制方法能實現大小慣性負復合操作時的合理分流。
  8. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設了新型橢圓凸輪波發生,設製作了大速比摩擦傳動樣機;用軟體ansys對所設的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負能力等各項精度指標;對測量據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  9. This project based on the research of pd radar simulator, give the mathematic model of the ground clutter and target, generate the data of them. then the data has been translated to the memory of the simulator by a pci card

    本課題以某機相控陣雷達模擬的研製為背景,對雷達雜波和目標回波進行學建模,產生相應的目標據和雜波據,並通算機pci總線,將生成的據文件加到雷達模擬的存儲中。
  10. The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi

    得出了以下結論:在8792mpa的荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶,可能發生沿與原裂紋線成155 「角方向剪切型斷裂;筒體一封頭連接結構不可能發生韌窩型斷裂; ( 2 )在工作壓力下進行次不多的反復加、卸,結構不會破壞,也不會喪失安定性:結構在工作狀態下是安全的; m在本文的彈塑性有限元模擬算中,對于裂紋尖端進行力學分析時,不考慮壓力容製造程中水壓試驗的影響,將導致算結果出現較大的偏差; ( 4 )筒體完全屈服時的荷為92石3mpa ,封頭完全屈服時荷為86
  11. As a separate system, the system of statistics and analysis for the reliability of low - voltage user records reliability datum of every low - voltage user by gathering terminals, collects and deals with these datum with the technique of low - voltage power line carrier by lumped instrument. last, the datum in the lumped instrument are read in the database of the master station computer by telephone network

    低壓用戶可靠性統與分析系統作為獨立系統,以低壓臺區為單位,通採集終端記錄每個低壓用戶的可靠性據,再採用低壓波由集中裝置對這些據進行集中並處理,主站算機以電話網路撥號的方式將集中中的據讀入據庫。
  12. After analyzing the noise in the high frequency carrier channel and computing the parameter of channel, we solved the kernel problems of coupling and matched impedance. separate designing the power, power amplification, port, transceiver and other circuits, we fitted together all circuits become the whole lonworks node circuit, and then triumphantly debugged it

    對高頻波通道的干擾特性分析和線路參算,解決了耦合和阻抗匹配等核心問題,並對電源、功放、介面、收發等部分電路分別設,最後形成了完整的lonworks節點硬體電路,並調試成功。
  13. Adopt modern technology and advanced computer chips, body curve engineering, humanized designed, multiple emulated transducers, thoroughly massage the body, automatic time - set, built - in over - heat load protection devices, concept a new field of healthy massage

    採用先進電腦晶元和碼控制技術,依據人體背部曲線,人性化的椅背設,多個模擬按摩傳感按摩全身穴位,電腦自動定時,內置保護裝置,開創健康按摩新概念。
  14. Plc, robot and cad / cam are called the three major pillars in the modem factory automation. plc, as the head of the three, has become the leading basic automatic equipment in the field of the industry control in the early 1980s " but as a matter of fact, plc being with the lack of friendly man machine interface, rnakes no close relationship between human and machineometimes it even can not be promoted and applied in some fields aiming at the situation mat those imported products are too expensive while domestic products are of rare famous brands, a plc man - machine interface - plc monitor is developedthis paper systemically introduces the developing procedure for the whole system, including how to design hardware and software system. especially emphasizing plc communication protocol. real time message accessing, lcd controller instruction set, definition of data construction for message & tag screens and how to display thern, assignment of internal resource of cpuealization in software among plc & manitor, file format defining a nd download of user data, etcplc monitor will compensate some weakpoints of plc, and extend the application rangeimultanneously enhance the performance of plc and increase the attached value of mechanical machines, undoubtedly it will see hight market prospect

    針對人機界面進口產品的高昂價格和國產品牌稀少的這一現狀,研製開發了一種plc人機界面? plc監控。本文系統地介紹了整個系統的開發程,包括硬體系統、軟體系統的設及實現,重點介紹了plc通信協議,監控的基本工作原理以及期望實現的功能,監控電源電路、 sram存儲掉電保護電路、 cpu監控電路、按鍵輸入電路的設及按鍵狀態的讀入,時鐘信息的設定與讀取, cpu液晶顯示指令系統,信息畫面及標簽據結構的定義及顯示方法, cpu內部資源的分配,監控與plc通信的軟體實現,文件格式的定義以及畫面據的下等。 plc監控彌補了plc一些方面的不足,可以擴大plc的應用范圍,提升機械設備的檔次,增加設備的附加價值,具有一定的市場前景。
  15. Chapter two constructed the mathematical model of robot and its environment solved by the fem analysis. the functions or relations between the robotic parameters and its drive forces, thickness or its velocities were given, and also the functions or relations between the environment and the robot force, friction, robot velocity, minimum thickness of film or sustain force of dynamic films were given

    論文第二章通建立機人和環境的學模型,利用有限元方法求解其中的n - s方程,得出管道中微型機人的各種設與機人的驅動力、形成的最小潤滑油膜厚度和機人的運行速度之間的關系曲線,研究了管道環境與機人驅動力、摩擦阻力矩、機人運行速度、形成的最小潤滑油膜厚度、油膜的承能力之間的關系。
  16. The circuits embedded in the transducer acquire, amplify signal and converter the a / d signal to the serial outputs. then it transmits the data to the acquisition board of a pc

    使用傳感的內置電路對多路電橋輸出信號進行放大、字化和串列化,然後傳送至據採集卡,通據採集卡將據存入車算機中。
  17. Magnetic marker buried in the road can be used as navigation signals, this signals are collected by build - in - vehicle sensor and are sent to the build - in - vehicle computer, the computer processed and sent instruction or command, automatic running of driverless vehicles can be realized by the steering wheel servo mechanism which connects with step motor

    埋設在道路上的磁軌釘作為車輛控制的誘導信號,由車傳感進行信號的採集,把採集到的據信息傳送到車算機中,通算機的處理,發出執行指令,利用步進電機連接的方向盤伺服機構以實現車輛在無人駕駛的情況下保持車道的正常運行。
  18. After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors

    本文主要研究聚對苯乙炔( ppv )薄膜發光二極體發光效率及主要影響因素,簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv件的結構和性質后,提出了一個件發光效率理論模型,利用這個理論模型得出了發光效率公式的表達式:並對注入電流、復合效率等進行了算,通合理地選擇算參,發現算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合,在此基礎上,對發光效率進行了算和理論分析,結果表明:算結果與理論研究結果相符較好,得出結論如下: ( 1 )本文的理論推導正確地反映了件中流子的注入、傳輸和復合等基本機制; ( 2 ) ppv薄膜中的電致發光是激子復合的結果,發光效率受多種因素影響。
  19. The computer mainly realizes the functions of long - range supervision and management and it includes : real time data communication, running state monitoring, history data save and print, error alarm, etc ; the industry computer system mainly compulish data acquisition and signal setting during the experiment and finish data storage and management ; the plc control system mainly accomplishes the on - off input and output, it accomplishes timing control, checks the status and carries the over - voltage and over - current protection ; except for acquiring experiment data, intelligent control instruments also have the function of errors diagnose and communication

    上位算機的任務是實現遠程監測和管理,主要進行實時據通信、運行狀態監視、歷史據存儲與列印、故障報警等;下位工業控制算機主要用於實驗據採集和參預置; plc控制系統主要完成開關量和部分模擬量的輸入輸出,實現系統運行的時序控制狀態巡檢和保護;智能監控儀除獲取現場參外,還具有故障之診斷和通信功能。
  20. Based on the analysis and comparison of the peak current - injection mode and average current mode control strategies, the method of designing average current control mode pi regulator is obtained. the digital simulation of the converter has been done with the help of matlab software. the good transient and stable character of the converter is attained while rated load

    在分析與比較峰值電流模式與平均值電流模式控制策略的基礎上,給出平均值電流模式pi調節的設方法,利用matlab軟體對變換進行了字模擬,證實了變換在額定功率范圍內動、靜態特性良好;情況下變換具有自動限流、保護主功率件的特性。
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