板载差分放大器提供真正远端输出电压采样输出。
Onboard differential amplifiers provide true remote output voltage sensing of both outputs.
借助输出电压采样和霍尔元件，设计了电流、电压反馈电路，形成了闭环控制系统。
A closed loop control system is formed by current and Voltage feedback system by means of HALL sensor and potentiometer.
针对开关动态对节点电压采样值的干扰，引入带通滤波，滤除高频动态的同时避免了常规低频滤波的延时。
Band pass filter is adopted to remove the high -frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter.
最后设计调试了永磁电机直接转矩控制系统，包括IPM驱动和保护电路，电流电压采样电路以及转速采样电路等。
At last, the control system including the drive and protect circuits of the IPM and the current sample circuits and so on are designed.
文中将动态数据系统应用于电阻电压采样数据的处理，建立动态模型。该数学模型及有关判据，可用于监测与控制焊接过程。
The dynamic data system (a kind of time series analysis technique) is used in the processing of the data collection for electrode voltage and ARMA stochastic dynamic models established.
而被称为“同步向量”的设备能以一秒30次或更快的速度采样电压和电流——向电力公司和系统操作员提供有关电网健康状况的信息更为精确。
Devices called synchrophasors can sample voltage and current 30 times a second or faster-giving utilities and system operators a far more accurate view of the health of the grid.
在硬件设计中对电压、电流采样电路，IGBT驱动电路以及通讯和人机接口电路进行了设计。
In part of hardware design, voltage and current sampling circuit, IGBT driving circuit communication and man-machine interface circuit are designed.
系统以DSP为控制核心，可自动识别并适应不同的电压和电流等级，采用程控放大、变化采样频率以获得优化的阵列测试效果。
The tester with DSP core could get excellent results by judging and adopting the different value of voltage and current, programmed amplifying and changing the frequency of sample.
由于采样时刻的电压和磁链误差，可在下一个控制周期内得到补偿，因此转矩和磁链的误差始终很小，二者的脉动很小。
The voltage and flux errors at the sampling instant can then be compensated for in the next control period, so the errors are always kept small, which leads to small fluxes and torque ripple.
数据显示、键盘输入、电压电流采样及通信则放入相应中断处理程序。
Interrupt disposal program includes the date display, keyboard input, voltage and current sampling and communicating.
在常规直接转矩控制系统中，每一采样周期中只施加一个电压空间矢量。
Only one space voltage vector is applied in each sampling period in the implementation of the conventional PMSM DTC system.
对系统硬件设计的DSP 3．3V电源的获取、电压电流采样模块、IGBT驱动、一般I／O信号的处理、故障监测和串口通信电路进行了研究分析。
The overall hardware design scheme is performed, such as DSP 3. 3V power, voltage and current sampling module, IGBT driving circuit, I/O signal processor, fault detection module and COM circuit etc.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
由CPU自动采样、保持、信号处理、判断，自动输出最优电压。
The CPU makes automatic sampling, reservation, signal processing, and judgment, and generates the optimum voltage.
可通过程序设置采样通道的输入电压量程，使之与各种不同输出电压量程的仪器相匹配。
The input voltage ranges of sampling channels can be set up by programme to match it with output voltage ranges of various instruments.
因此，在一些特殊及精度要求不高的场合，由只根据采样电流、电压等易测量，通过特定方法估算转子位置和转速的无位置传感器控制策略将得到广泛应用。
Thus, sensorless control strategy which only according the sampling of the current and voltage to estimate the rotor position and speed by specific methods will be widely applied.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
大功率半导体激光器驱动电源内置恒压源，通过控制采样电阻两端电压调节恒流源电流大小。
Current driver of high power LD with inner constant voltage source adjusts the output current of the driver by controlling the voltage of the sampling resistance.
该方法频率测量精度高，实行频率跟踪采样，提高了电压计算精。
Simulation shows that the frequency measurement has preferable precision and voltage calculating is improved by frequency tracking.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
确定了直流母线电压线性采样电路以及迟滞电压比较电路。
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed.
通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样，后经DSP A/D转换模块与反压设定值进行比较。
Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.
本文介绍了以单片机为基础的交流电压、电流直接采样的设计与实现并用锁相环CD 4046来实现相位角的采样。
The paper introduced a design and realization of direct sampling of AC Voltage and current based on a single chip micro - computer and used PLL CD4046 to realize phase Angle sampling.
PLC采样发电机的剩磁电压，通过软件编程测取剩磁电压的周期，来获得原动机的点火转速信号。
PLC samples the remanence voltage of generator and measures its period with software to get the signal of fire speed.
该方法以电网电压为同步信号，在电网电压信号的过零点采样直流侧电容电压，并通过周期离散控制可以获得负荷电流有功分量。
The new control way can realize linear control for DC-bus voltage and get the fundamental component of the load current synchronously with a little of calculation.
采样保持电路、电压源电路设计。
当你对一个模拟端口采样时，它会返回一个与信号针脚（脚3）上的电压成比例的，范围在0至1023之间的值。
When you sample an analog port it will return a value between 0 and 1023, proportional on the voltage (05 volts) on the signal pin (pin 3).
软件设计首先完成了PWM信号的输出与时序控制，并设计了键盘输入功能模块、LED显示功能模块、电流电压信号采样功能模块，以及模糊神经算法自学习软件功能模块。
The software design implemented PWM output and sequence control module, keyboard input module, LED display module, current and voltage sampling module and fuzzy neural algorithm self study module.
将采样得到的电机定子电压和电流转换为数字量后输入到转速估计系统来估计转速，并跟实际测得的转速进行对比。
The sampled stator voltages and currents were conversion to digital quantity and given to speed estimation system for estimating speed, then contrast it with the actual measured motor speed.
将采样得到的电机定子电压和电流转换为数字量后输入到转速估计系统来估计转速，并跟实际测得的转速进行对比。
The sampled stator voltages and currents were conversion to digital quantity and given to speed estimation system for estimating speed, then contrast it with the actual measured motor speed.
应用推荐