脉冲输出

利用PLC脉冲输出和高速计数功能实现轴的精确定位控制

Realize the Exact Position Control of Axle Using PLC Pulse Output and High Speed Count Function

PLC脉冲输出的实现

Realization of PLC Pulse Output

本文介绍了PLC集成脉冲输出功能的原理及实现方法。

This paper presents the principle and the implementation of the output function of Pulse-width modulation of PLC .

采用电光调Q，获得了8mJ的巨脉冲输出；

By using a lithium niobate electrooptic switch , we gained giant pulses output of 8 mJ energy .

P波段脉冲输出150W高增益功率晶体管

P - band High Gain Power Transistor with 150 W Pulsed Output

PWM逆变器高频脉冲输出对电机的负面效应及其对策

Negative effects of high-frequency pulse output of the PWM inverter on motor and one way to restrain them

采用连续光泵浦方式，在激光谐振腔中，利用多模硅光纤中的非线性效应-受激Brillouin散射（SBS）进行自调Q，得到了纳秒量级的脉冲输出；

By exploiting fiber nonlinearity-stimulated Brillouin Scattering ( SBS ) process in the laser cavity .

采用转镜调Q，获得了12mJ的巨脉冲输出，脉宽80ns。

And laser output pulses of 12 mJ energy and 80 ns duration was obtained by using a prism Q switching .

研究在同一光学谐振腔内设置多个电极对，产生多光脉冲输出的TEACO＿2激光器中弧光放电对输出稳定性的影响。

Influence of arc discharge for the output stability on a multi-optical pulses output of TEA CO_2 laser with multi-electrodes in the resonator is studied .

并且研究了该薄膜结构特性、激光器参数，如：抽运电压、腔长对调Q脉冲输出性能产生的影响。

Furthermore , the influence of structural characteristic 、 pump voltage and cavity length on the properties of laser output was investigated .

06μm调Q脉冲输出能量总转换效率η＞0.75%

The total transfer efficiency of output Q pulse energy at 1 . 06 μ m is η > 0 . 75 %

提出了一种新的调速方案，即：定转角中断采样，增量式PWM脉冲输出；

And a new speed adjusting method is put forward , that is interrupting and sampling by fixed rotate angle , PWM pulse output by increment .

脉冲输出时，通过对调Q过程中能量储存和能量释放的分析，建立了调Q过程的算法理论模型，利用各模式的能量总和计算得到各横模比例分布。

For pulse laser , By the analysis of energy storage and release during the Q-switched process , the algorithm theoretical model of the Q-switched process is built .

插入声光调Q晶体后获得4.7mJ的调Q脉冲输出，脉宽为24.8ns。

Once an acousto-optic modulator ( AOM ) was inserted into the cavity , Q-switched pulse with energy of 4.7 mJ and pulse width of 24.8 ns were achieved .

本文通过传统Marx电路结构的分析，给出了一种混合双路Marx电路结构来实现高压脉冲输出的方法。

Based on analyzing a normal MARX circuit , a method of obtaining high voltage is discussed in this paper , which is realized by synthesizing double MARX circuit s.

中小型PLC的高速脉冲输出在运动控制系统的定位控制等方面也有着广阔的应用前景。

High speed pulse output of the small and medium type of PLC has a wide application in some aspects , such as the orientation control , in the motion control system .

结果表明，采用增益预泵浦，可提高被动调Q激光器脉冲输出能量和工作效率。

With the aid of new factor f p , we calculate the effects of pre pumping mechanism which can also be used to improve the laser efficiency and pulse energy .

介绍了FX2系列PLC脉冲输出的几种方法和技巧。这些方法和技巧具有实用价值。

This paper introduces methods and techniques to realize FX2 serial PLC pulse output , which has practical value .

介绍了用可编程序控制器（PLC）取代油毡卷毡机控制器实现定长控制，用PLC的高速脉冲输出（PWM）控制调速电机转速的方法。

The present article introduces the method of length control by substituting PLC for rolling treated machine controller , and that of motor control by using PWM , which is output by PLC high-speed pulses .

高重频短脉冲输出的增益开关型Nd~（3+）∶YVO4微片激光器

Gain-switched Nd ~ ( 3 + )∶ YVO_4 microchip laser with high repetition rate short pulse output

在使用PWM高速脉冲输出时，通过控制字节的设置来改变脉冲宽度和脉冲周期，实现控制任务。

The PWM generator has a control byte ( 8 bits ) that is used to provides a continuous , variable duty cycle output with user control of the cycle time and the pulse width .

双包层光纤激光器具有光束质量好、散热面积大等优点。介绍了三种获得脉冲输出的双包层光纤激光器，即调Q光纤激光器、锁模光纤激光器及振荡放大脉冲光纤激光器。

Doubled-clad fiber lasers have excellent beam quality and thermal characteristics , three kinds of pulsed double-clad fiber lasers are discussed The principle and the key techniques for Q-switched , mode-locked and MOPA are analyzed in detail .

目前所研制的八毫米IMPATT振荡器最大的脉冲输出功率在34.2GHz下为15.7W。

At present the highest output power of the pulse IMPATT oscillator is 15 . 7W at 34.2 GHz .

介绍了数字伺服电机的主要特点，并通过西门子S7200系列PLC的高速脉冲输出口实现了三菱MELSERVOJ2SUPER系列通用交流伺服电机对极间电压的PID控制。

The main features of the digital servomotor are introduced in the paper . And PID control of the inter-electrode voltage is realized with the high-speed pulse output port of Siemens S7-200 PLC .

利用孤子压缩获得<2ps的脉冲输出，从而可以应用于160Gbit/s的OTDM研究。

Pulses with duration < 2ps are achieved by using pulse compression technology , which make it feasible for our 160Gbit / s OTDM .

获得了单脉冲输出能量0.47J，重复频率100Hz，光束质量M2因子为4的高光束质量全固态脉冲激光输出。

The output energy of 0.47 Joule was obtained with repetition rate of 100 Hz and beam quality of M ~ 2 value of 4 .

通过电光调Q速率方程分析了影响脉冲输出功率、重复频率和脉冲宽度的参数，得到超阈度是影响输出参数的一个重要的比值。

Using the rate equation to analysis the inherent relations among the output power , the repetition rate and the pulse width . It is reported that the ratio of Ni / Nt is an important factor to the output parameter .

540～610MHz脉冲输出150W功率晶体管

540 ~ 610MHz Power Transistor with 150W Pulsed Output

详述了用PLC控制步进电机实现数控系统的定位控制功能的方法，新型PLC的高速脉冲输出功能有效地避免了扫描周期的影响，完成快速移动和精密定位。

In this paper , we described particularly the method that PLC controls stepping motor to accomplish orientation function in NC system , which new type PLC being able to output high-speed pulses that can avoid PLC scan cycle impacting validly , drives stepping motor to finish orientation .

大电流下RD-33-233脉冲输出问题的解析

Analysis on Pulse Output for RD-33-233 in High Current Condition