電刷電位 的英文怎麼說
中文拼音 [diànshuādiànwèi]
電刷電位
英文
brush potential-
Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。The paper studies and designs the circuit driving the servo motor and the motor for clearing, and the serial communication circuit, and the sensor data input circuit etc. the author develop the embedded controller software based the advanced singlechip language - pl / m and the user interface software base vc + + 6. 0
進行了清刷機器人的伺服電機驅動與控制電路、清刷電機驅動與控制電路、串列通訊電路、傾角傳感器數據採集等硬體電路的設計,並進行了基於pl m高級單片機開發語言的下位機嵌入式控制軟體的開發和基於vc + + 6 . 0的上位機用戶操作界面的開發。The wiper of the potentiometer is connected directly to the spindle.
電位計的孤刷直接與銷子連接。In the process of manufacturing printed circuit board ( pcb ), every board has to be drilled based holes firstly. so the precision of based holes greatly influence the quality of pcb
在印刷電路板生產中,定位孔的精度對pcb加工質量有很大影響,傳統的加工方法是靠人眼直接瞄準,影響定位精度和生產速度。Based on the comparison of the restoring features of several common journal dimensions and in accordance with the shaft wearing character of large water pump, the treatment technique applying brush coast and hot spraying was discussed
摘要在比較幾種常用軸頸尺寸修復特點的基礎上,根據大型水泵軸軸承位磨損特徵, ?述了採用電刷鍍和熱噴塗處理技術修復水泵軸的工藝方法。Avoid drawing any current from the wiper of a potentiometer. the resistance of the wiper contact will cause problems ( local heating, noise offsets etc
避免從電位器的弧刷處提取電流。弧刷的接觸阻抗會產生問題(局部溫升,噪聲偏移等等) 。Tlm screwless terminal block the tlm series suits in the communications system, the lighting system, guards against the system and the building wiring use peacefully
系列位免螺絲彈簧式印刷電路板型端子臺,本產品方便的接線方式極適合在通信系統照明系統安防系統與建築物的布線使用。Graphic technology. pre - press. electronic register control. aspect and position of electronically generated register mark for automatic page position
印刷技術.預印刷.電子記錄器控制.電子式自動頁碼位置記錄標志This paper uses " virtual neutral point method " to measure the " zero crossing ", then the soft deal " zero crossing " to get the six key position to commutate
本文採用虛擬中點的方法來識別反電勢過零點,然後對過零點進行處理得到無刷電機換向的六個關鍵位置。As far as the new technology of selective diffusion, the method of printing is used and the phosphoric paste ( high concentration ) is printed at the electrode - site in silicon. afterwards, a thin layer of phosphoric source ( low concentration ) is sprayed on the surface of the non - electrode - site in silicon
在選擇性擴散新工藝中,我們採用絲網印刷電極的方法在矽片的電極位置印刷濃度較高的磷漿(摻磷sio _ 2乳膠) ,在非電極區噴塗一層濃度較低的磷源,擴散后形成重摻雜和輕摻雜。Rd auto pinning machine is used to make reference positioning pin prior to drill the laminated plates of etched circuit card on drill machine for etched circuit card manufacture premium products
Rd全自動釘銷機用於印刷電路疊層板在印製電路板數控鉆床鉆孔前鉆作基準定位銷釘,從面保證印刷電路板數控鉆床能加工出高品質的產品。Characteristics : it has the advantage of matching color accurately, checking block easily, adding ink homogeneously with the installation of permanent dealing, automatic piping, full automatic printing and fixed position
特點:具有套色準確,對版容易,上墨均勻等優點。配有電暈處理裝置、自動上管、全自動印刷定位裝置。0. 1 in connectors for frequencies below 3 mhz for use with printed boards. part 3 : two - part connectors for printed boards, having contacts spaced at 2, 54 mm 0, 1 in centres and staggered terminations at that same spacing
印刷電路板頻率低於3 mhz的連接器.第3部分:中心位置和交錯終端位置上觸點間距為2 . 54 mm0. 075 in connectors for frequencies below 3 mhz for use with printed boards. part 4 : two - part connectors for printed boards, having contacts spaced at 1, 91 mm 0, 075 in centres and staggered terminations at that same spacing
印刷電路板頻率低於3 mhz的連接器.第4部分:中心位置和交錯終端位置上觸點間距為1 . 91 mmWe also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences
系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點,同時在軟體中採用數字濾波以消除其它噪聲干擾,使檢測電路檢測到的反電勢過零點更加準確可靠,實現了對五位置傳感器直流無刷電機的數字控制。With the development of microelectronic products ( integrated circuit, printed circuit board, etc ) directing to high density, thin separation and low defect ratio, its inspection requirement is higher on aspects of precision, efficiency, universal, and intelligence etc. therefore, this paper researched on the general key techniques in the field of microelectronic products vision inspection, covered the shortage of traditional inspection on aspects of fast and precision locating, image mosaic, and fine defect test, completed theory study on physical dimension and defect inspection of microelectronic products based on machine vision, developed the prototype and used lots of experiments to prove its correctness and feasibility
隨著微電子產品(集成電路晶元、印刷電路板等)向著高密度、細間距和低缺陷方向發展,對其檢測技術在精密、高效、通用和智能化等方面提出了更高要求。由此,本文對微電子產品視覺檢測中的關鍵技術進行研究,彌補了傳統檢測在精確快速定位、圖像全景組合和精細缺陷檢測等方面的不足,最終完成基於機器視覺的微電子產品外形尺寸和缺陷檢測的理論研究和樣機研製,並進行了大量實驗證明其正確性和可行性,力圖為我國自主創新的微電子產品視覺檢測技術提供理論和實際借鑒。Design of brushless dc motor position servo systems using discrete variable structure control approach
正弦波型直流無刷電動機位置伺服系統的變結構控制The emphasis of this paper is the commutation control of sensorless bldc motor, which is used to drive photovoltaic pumps
本文所研究的重點是無位置傳感器直流無刷電機的換向控制,電機驅動的對象為光伏水泵系統。Permanent magnet bushless motor sensorless control system based on dsp
基於數字信號處理器永磁無刷電機無位置檢測器控制系統設計This dissertation mainly introduces a host - slave system of a three coordinates printed circuit board numerical control drilling and milling machine. control instructions and parameter have been delivered by the master computer to slave computer dependently and smoothly in order to guarantee the work that can be accurately and promptly done. besides, the host computer collects various kinds of state signals that the slave computer feedbacks, then diagnoses and deals with them
本課題研究開發了一個三坐標印刷電路板數控鉆銑床主從式控制系統,可使上位機能夠可靠、暢通地將經過處理的控制指令和參數發送到下位機,保證下位機能夠準確、及時的工作,同時,上位機收集下位機反饋的各種狀態信號,進行診斷和處理。分享友人