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- The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed. 分析了谐波反电势信号的构成,设计了相应的位置信号检测电路及步进电动机的微机控制系统。
- The experiment indicates that the system is suitable,and the digital position detection circuit composed with the resolver and AU6802N1 is feasible. 实验结果表明,系统设计合理,旋转变压器和AU6802N1组成的数字位置检测电路正确可行。
- The relation between winding demagnetization and rotor position detection of sensorless BLDC motor control is discussed in this paper. 永磁直线同步电动机直接驱动系统的无位置传感器控制中,需要实现电机的位置及速度估计。
- A novel method of rotor position detect for sensorless brushless DC motor was introduced, that was the method of speed-independent position function. 介绍了一种新的无位置传感器无刷直流电动机的转子位置检测方法-速度无关位置函数法。
- Utilizing a standard XML interface, SPARCS TOS links to third party technology and applications that support radio data terminals, position detection systems, and optical character recognition systems. SPARCS TOS通过标准的XML接口,与支持无线数据终端、位置探测系统以及光学字符识别系统的第三方技术和应用程序进行连接。
- ABSTRACT: High-performance velocity regulation system of the motor depends on the position detection signal.With the resolver,high-precision absolute position signal can be measured. 摘要:高性能电机调速系统依赖于转子位置检测,通过旋转变压器可以得到高精度绝对位置信号。
- The microwave antigen repair technique was used to improve ICA positive detection rate. 为了提高ICA的阳性检出率,本研究应用了微波抗原修复术。
- With EUS the positive detection rate rose to 97.7%, the diagnostic accuracybeing 88.4%when compared with that of surgery and pathology. 结论EUS在胆总管扩张病因的诊断和鉴别诊断中有重要价值。
- The positive detection rate of serum GACA was raised from 82.7%before treatment to 100.0%at 2h after treatment (P<0.05). 血清GACA检测敏感性,可由服药前的82.;7%25提高到服药后2小时的100
- A novel method for detecting the rotor position of Senseless Brushless DC Motor was presented in view of the deficiency in rotor position detecting at standstill or low-speed. 针对无刷直流电机在静止和低速状态下检测转子位置困难,提出了无刷直流电机采用无位置传感器控制策略时转子位置检测的一种新方法。
- Belt Cleaner Position Detection Sensor 皮带清洁器位置传感器
- The positive detection rates of cps2/gdh+/epf+/mrp+/sly+/fbps+/orf2+ were 96% (24/25) and only one virulent SS2 isolate was cps2/gdh+/epf-/mrp+/sly+/fbps+/orf2+. 结合上述毒力因子分布情况,根据SS2的cps2J、mrp、orf2基因(virulent-associate sequence orf2)设计合成三对引物,建立三重PCR检测方法,并对PCR扩增产物进行测序、酶切、特异性及敏感性实验。
- The wood is held in position by a clamp. 木头用钳夹固定住了。
- Comparatively,there were no obvious changes on the serum GACA levels and the positive detection rate in the control group (P>0.05) during the same period of observation. 对照组48小时观察期内,血清GACA水平波动在1个滴度范围内,检测敏感性无明显变化(P>0.;05)。
- The girl is quite suited for the position [work]. 这姑娘很适合担任这个职务[这个工作]。
- I can live in clover when I get that position. 我得到那个职位便可过上优裕的生活。
- He bribes his leader to consolidate his position. 他贿赂他的领导来巩固他的地位。
- Whenever the optical fiber positional unit of LAMOST possesses zero position detection system,it will gain the absolute zero point for the position of optical fiber,thus simplified the control system and raised the reliability of the system. LAMOST光纤定位单元有了零位检测系统 ,就有了光纤位置的绝对零点 ,从而简化了控制方案 ,提高了系统的可靠性。
- He took up a radical position on this issue. 他对这个问题抱着激进的态度。
- Have we had any positive detections of gravitational waves other than the detection of their effects? 有没有直接探测到过引力波而不是探测其效应?