轉變位置 的英文怎麼說
中文拼音 [zhuǎnbiànwèizhì]
轉變位置
英文
transition position-
In this paper, it is shown that some atomic formulas of symbolic states generated by the algorithms can be removed to improve the model checking time - and space - efficiency. such atomic formulas are called as irrelevant atomic formulas. a method is also presented to detect irrelevant formulas based on the test - reset information about clock variables
一個時間自動機是一個五元組n , l 0 , c , e , i ,其中n為一個有窮的位置集合, l 0n是初始狀態, c是一個取實數值的時鐘變量的有窮集合, e ng c 2 cn是轉換的集合。This file describe the positions and movement orders of all braider yarns. it can be transformed from a text file into signals to drive the automatic two - step braiding machine to work
該工藝單規定了所有的編織紗的運動順序和位置,可以很容易地轉變成驅動三維編織機進行自動編織的驅動信號。Changed of moon phases are brough about by the non - self - luminosity and the opacity of the moon. as the moon is a spherical body, sunlight can only illuminate half of the moon. viewing from different directions, the moon will appear to take the shapes of a circle, a semi - circle, a crescent, a gibbous or even completely invisible at all when its dark side faces the earth
由於月球本身不發光,只是反射太陽光,所以當月球運轉時,月球地球和太陽三者的相對位置便會不斷變化,因此,地球上的觀測者所見到月球被照亮的部分也在不斷變化,從而產生不同的月相A series of experiments were conducted to measure the variation of alignment during wheel jouncing ; meanwhile, the influence of breaking point of steering trapezoid on alignment was also investigated
通過試驗綜合考察了車輪跳動過程中車輪定位參數的變化,以及轉向梯形斷開點的垂直位置對車輪定位參數的影響。For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization
其中對17 . 4mm泵軸的優化,通過增大花鍵內徑,提高了花鍵齒底的強度,降低了應力集中點附近的應力;對30 . 2mm電機軸的優化,通過在軸承鍵的環槽端增加倒角,有效降低了該位置的應力集中,使軸的最大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處,提高了電機軸整體結構強度的合理性。( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk, even greater than the rotational reynolds number, and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations, which does not exist in the case of without pre - swirl
( 2 )分析了預旋系數_ r對該旋轉盤腔流場的影響,定義了一個新的壓力系數c _ p ,該壓力系數c _ p沿徑向位置的變化對特定的旋轉雷諾數re _是一個常數。The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form
本文系統全面地分析了傳統蔭罩的各類熱變形對顯示屏特性的影響,利用本文研製的電子束亮度分佈自動測試系統,附加一個微偏轉磁場,使相鄰兩電子束打在同一顏色的熒光粉條,並形成一個亮度凹點,當蔭罩變形時,凹點位置作相應的位移,以此原理跟蹤測量凹點位移量,即可得到色純漂移動態變化曲線。Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth
值分佈以及場向電流強度和密度隨亞暴位相的變化,並著重分析了亞暴電流楔的特徵。結果表明,亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的,其起始位置很可能位於近地等離子體片內邊緣。In this experiment, adjusting the throttle to the specific position, and letting engine rotary speed change from the lowest to the highest, at the same time, the data of the water temperature, the fuel temperature, the air press and the rotary speed can be noted. moreover, we can measure the fuel quantity and the ignition angle
實驗中,調節節氣門在特定位置,並讓發動機的速度依次從最低變化到最高,同時記錄水溫、油溫、進氣壓力和轉速等數據,還可以測出相應的噴油量、點火提前角。However, the peak damage ~ 320dpa occurs at a depth of about 20nm in 1 1017 cm - 2ni + - implanted al2o3, which leads to amorphization
然而相同注量的ni ~ +注入al _ 2o _ 3在約20nm位置產生損傷最大值320dpa ,樣品明顯發生非晶化轉變。In order to return to the synchronous state, through changing the mechanism position asynchronies into electrical control variables. it is resumed synchronous state by control variable decoupling
為了使伺服系統回到同步狀態,需要把機械位置的不同步轉化為電氣控制變量的變化,通過對控制變量的解耦,使其恢復到同步狀態。A closed pulse width modulation ( pwm ) regulating speed system for dc servo - motor is presented, it is composed of avr microcontroller, pwm power driver, unit of speed detection using encoder and a serial communication interface, etc. fuzzy pid algorithm is employed to control the speed and position of wmr. the method can solve effectively some problems such as the uncertainty of wmr ' s model, the varieties demand, the change of situation
其次,設計了基於avr微控制器( at90s8515 )的移動控制系統,其中主要包括pwm功率驅動、測速單元和串列通訊模塊等:對機器人速度、位置控制採用模糊pid演算法,較好地克服了移動機器人模型的不確定性、轉速位置控制要求的多變和環境改變等因素的影響。The basic working principles and characteristics of srm will be described firstly in this paper, as well as its developing survey and researching directions. and then the srd system will be separated into several function parts to be introduced respectively in details : ( 1 ) to analyze the basic characteristics of the srm including electromagnetism, current and torque of every angle field of the rotor based on the subsection - linearized inductance characteristics of stator windings and several idealized supposes. ( 2 ) how to design and realize the h - bridge converter, and the method to use it ; ( 3 ) how to design and realize the controller based on dsp ( tms320f240 ) and the control strategies, as well as the program ; ( 4 ) to introduce the monitor program running in a pc, which is programmed by delphi
本文首先介紹了srm的基本工作原理和特點以及srd系統發展概況和研究方向,然後以srd的功能構成為線索分部分進行介紹: ( 1 ) srm的特性及控制策略分析,在電感分段線性化等簡化條件下分析得出了各個轉子位置角度區間的電磁、電流和轉矩特性並分析了控制策略; ( 2 )分析設計了h橋式功率變換器的設計和工程實現的方法,並設計了基於這種功率變換器的換相邏輯; ( 3 )分析設計了以dsp為核心的控制器以及控制方法,並介紹了該控制器的軟硬體實現; ( 4 )介紹了如何用delphi編制實現上位機監控程序。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。Being unconditional, the bo and bi fields of the bd format are exchanged for additional branch displacement to form the li instruction field
由於是無條件的, bd格式中的bo和bi欄位改變為另外的轉移位置,以構成li指令欄位。The inverter drive signals are synchronized with the position sensor output signals so that synchronism between the stator winding currents and the rotor flux is ensured for any speed
逆變器的驅動信號與轉子位置信號同步從而保證在任意的速度下定子繞組電流與轉子磁場同步。The constitution, interface and control principle of main circuit, rectifier control module, inverter control module, generator ' s rotor speed and rotor position measuring module, information exchange module are discussed. specially, the methods of implementing signals level match in multi - voltage system, synchronizing with pc in parameters measurement and measuring rotor speed and rotor position with high precision are explained in detail
文中討論了主電路、整流器控制模塊、逆變器控制模塊、電機轉速和轉子位置測量模塊以及信息交換模塊的組成、介面方法和控制原理,詳細說明了系統中實現不同電壓等級間信號電平匹配的方法、系統與上位機進行同步參數測量的方法以及實現高精度電機轉速和轉子位置測量的方法。In the operation of the doubly salient permanent magnet ( dspm ) motor, some possible failures can occur, including the wrong connections of three armature windings, the wrong orders of three hall sensors, and the failures of hall sensor signals themselves, that is the hail sensor signal keeps the high level or the low level to be unchanged with the rotor position
摘要永磁雙凸極電機運行時,可能會出現以下常見故障:三相繞組線或和三相霍爾連接線的錯誤接線;霍爾信號自身的故障,即恆為高電平或低電平,其電平不隨轉子位置變化而變化。Emcn can transfer the area in machine into several elements, each node and mesh are fixed and irrelevant to rotor rotation. only the values of permeances are related to motor rotation, but all the relations of the permeances are fixed
等效磁網路法是把電機內部化分成許多單元,各個節點和單元的劃分是固定的,與電機的轉動無關,與電機轉子位置相關的量是各個部分的磁導值,而各個部分的相對關系不變。Using the principle of differential transformer, a method of self - sensing rotor position of magnetic bearing is studied in this paper. by this way, no special displacement sensors are used
本文主要研究了一種磁懸浮軸承轉子位置自檢測的方法差動變壓器式自檢測,該方法不需要專門的位移傳感器。分享友人