數控分度頭 的英文怎麼說
中文拼音 [shǔkòngfēndùtóu]
數控分度頭
英文
nc dividing head-
Equipped with a specially designed digital control system, the new pick - up and recording head can perform the basic functions of optical data storage, and is used for further experiment with sil and sb super - rens technology. with modified optical pick - up and recording head, a study is made on sil data storage technology. a new remelting process is proposed to overcome the difficulty of manufacturing ball lens with the radius smaller than 0. 5mm
結合高密度光存儲實驗的具體要求，為改裝后的光學頭設計了專用伺服控制系統，刻錄實驗結果說明建立的數據存儲光學頭系統能很好的完成光學頭系統各種基本功能，其成功建立為進一步的sil存儲實驗以及介質超分辨存儲實驗提供了基本的光存儲刻錄光學系統。By picking up actual load on road of car body, use the electro - hydraulic servo road simulating system and the remote parameter cantrol system to iterate, take the iterating control target as an accelerated speed signal of spindle nose, iterate separately the loading spectrums on different road surfaces and finally merge the iterated results to obtain the loading spectrums for tests in the test bench
通過對轎車車身實際道路載荷的採集，採用電液伺服道路模擬系統和遠程參數控制系統進行迭代（迭代控制目標為軸頭加速度信號，對不同路面的載荷譜分別進行迭代，最後將迭代的結果合併） ，得到用於臺架試驗的加載譜。This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained
本論文針對平面信號控制交叉口的延誤問題進行了分析，在實測數據分析的基礎上，探討了車輛到達過程和離開過程的運行特性，給出信號交叉口排隊離散車頭時距分佈模型，提出飽和流率的測量應從第六個離開的排隊車輛算起；運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型，在此基礎上運用協調變換的方法改進了車輛延誤模型。The article introduces the basic concepts and common methods of fuzzy mathematics, initially discussing the applications of fuzzy mathematics in the following aspects : 1 ) division of " skidding " strata with grade of membership that are drilled with diamond bits ; 2 ) comprehensive evaluation on the application in evaluation of diamond bits, classification of rock drillability, and evaluation of clay ; 3 ) classification of " hard rock " through fuzzy clustering analysis ; 4 ) estimation of completion time of boreholes and evaluation of underg round water with fuzzy mathematics ; 5 ) identification of new ore areas and option of best water resource area with fuzzy model ; 6 ) option of diamond bits and evaluation on oil field development plan with fuzzy resemble option and the improved calculation method ; ? ) prediction of mud slurry performance and of the amount of surging water in ore pits with fuzzy control ; 8 ) comprehensive evaluation of diamond bits and supporting plan of deep foundation pit with fuzzy optimal theory
初步探討了以下幾方面的應用： 1 ）用隸屬度劃分金剛石鉆進「打滑」地層； 2 ）綜合評判在金剛石鉆頭評價、巖石可鉆性分級及鉆探造漿粘土評價中的應用； 3 ）用模糊聚類分析進行「硬巖石」分類； 4 ）用模糊數進行鉆孔竣工時間預估及地下水質評價； 5 ）模糊模式識別在新礦區類型識別和最佳水源地選擇中的應用； 6 ）模糊相似選擇及其改進演算法在金剛石鉆頭選擇和油田開發方案評價中的應用； 7 ）模糊控制在泥漿性能和礦坑涌水量預測中的應用； 8 ）優化理論模型在金剛石鉆頭和深基坑支護方案綜合評價中的應用。The dissertation ' s main research content is to establish the metrology transfer standards on naturalgas flux. the task team aimed at the characters of the pvtt and mt methods for the naturalgas standards founded by native nation for the presents. for the purpose ofgaranting the accuracy of the values of quantities of the standards, reling on the measure process control methods, analyzed the present situation and the metrology capability of the naturalgas standards of measurement, analyzed and calculated the metrology methods and uncertainty of the transfer standard, analyzed the site experiments and the testing data
本文主要研究的內容是建立天然氣流量計量傳遞標準，課題組針對目前國內建立的pvtt法、 mt法等天然氣計量標準裝置的特點，以保證天然氣流量計量標準裝置量值準確為目的;以測量過程式控制制方法為依據，對天然氣流量計量標準裝置的現狀和計量性能進行了分析;對傳遞標準的計量方法和不確定度進行了分析和計算;對傳遞標準的硬體和軟體進行了研究和設計;對傳遞標準進行了現場試驗和數據分析;達到了利用傳遞標準對天然氣計量標準裝置進行現場比對和分析，進而保證計量標準裝置值頭準確的目的。The result shows that the new control system has convenient parameter modification, perfect controlling flexibility, rapid dynamic response speed, stable welding procedure ; the das of welding parameters has strong ability of anti - disturbance and the data is reliable. the control effect and practicability of the diagnosis system judging the welding quality are both good by using the characteristic values of welding process such as the percentage of the flashing time. gray - spots flaw in flash welding joints of rail is the least when the pole moves to and fro at the same velocity and the speed is slow
結果表明：新型控制系統參數設置修改方便，控制柔性好，動態響應速度快，焊接過程穩定；焊接參數採集系統抗干擾能力強、數據可靠；以閃光時間百分比等焊接過程特徵量為判據診斷焊接質量效果好，實用性強；當動立柱的前進、後退速度相同且為低速時，鋼軌接頭中灰斑缺陷數量最少。Secondly, based on cutting edge geometric model and machining mode of mk6335a grinder, the rake face with constant normal rake angle and flank face with constant orthogonal clearance angle models of ball - end cutters are discussed. the cutting geometry angle parameters are solved and analyzed. moreover, the tool paths models of wheel which grinding are builded and the post - processing technique for coordination transfer is studied
然後，基於刃口曲線模型、五軸數控磨床刃磨運動方式和微分幾何的直紋面概念，本文推導與建立了具有等法前角的前刀面和具有等主后角的后刀面的球頭立銑刀數學模型，並對球頭立銑刀的刀具角度如刃傾角、主前角、法后角、主偏角等參數進行了求解與分析。In this paper, based on the 2 high precision cnc dividing head, a human - like inteligent control scheme is proposed for point - to - point control system
摘要針對我們所研製的2高精度數控分度頭提出了一種用於點位控制的仿人智能控制方法。And the experiment results obtained from the 2 high precision cnc dividing head are shown
給出了以該方法實現的2高精度數控分度頭的分度實驗結果。The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch
因此提高了學習性能，具有較好的預測精度。然後，建立變電站電壓無功控制的數學模型，考慮電壓的調壓要求和無功功率平衡，計及變壓器變比和並聯補償電容的上下限約束，變壓器分接頭和電容器允許的日調節次數的限制，以電壓偏差的平方和最小為目標函數。Adopt the ds18b20 ' s figure temperature sensor, take the online measure to the key eq uipment of the system ; as to the video signal in the monitoring system, since the fact that video wire is tiny, and the connector is great, especially to those relative and removable video signal, the video wire is easy to break down, such as short circuit and so on, along with the video device is over a long period of time being in the circular telegram running state, also easily running into trouble, hence, valid means to be take adopt to the video signal
本故障分析儀採用了ds18b20數字溫度傳感器，對關鍵設備的機溫進行實時在線監測；對于監控系統中的視頻信號，由於其線路長、線徑細、轉接頭較多，尤其是那些可旋轉、移動的視頻信號，易發生視頻線斷線、短路等情況，再加上視頻設備是長期處于通電運行狀態，也易發生故障情況。因此應採用有效的方式對視頻信號進行監控。The minority investment body is the core of the market ; 2. the market concentration degree is dropping gradually and the market monopoly power is being weaken. the market in china is in the process of transition from a closed market, which is dominated by policy mechanism, to an open market, which will be dominated by market mechanism
從銷售集中度看，中國轎車市場的結構的演變有以下特點: 1 .少數投資主體（控股集團）是中國轎車市場的核心; 2 .生產企業的市場集中度正在逐步下降，市場壟斷力正在減弱;我國的轎車產業是處於一種較封閉市場逐漸向開放市場過渡下的寡頭結構，這種高度寡佔型的市場結構不是充分市場競爭的結果，而是由政策性的進入壁壘維系所形成的市場結構，轎車市場結構的地區化差異明顯。In the last part of this paper, a new control theory based on fuzzy neural network of substation voltage and reactive power synthetic control is presented. besides the guarantee of reactive power equilibrium and voltage quality, this theory can minimize the oltc tap _ changers " operation times. in order to avoid the frequent action of oltc tap _ changers caused by voltage fluctuation, inverse - time is introduced to this system that enhance the quality of voltage
最後將基於神經網路的模糊控制引入變電站電壓無功綜合控制策略，在保證無功基本平衡和電壓合格的前提下，使oltc分接頭的動作次數降至最低，並引入反時限概念，解決了因電壓波動引起的頻繁動作，最大限度的提高了電壓合格率。分享友人