最后，给出了电流采样值定点运算的具体编程实现方法。
At last, the programming of current sampling data processing with DSP was provided.
通过霍尔传感器进行电流采样，设计了电流反馈的控制系统。
The current is sampled by Hall sensor and a current feedback control system is designed.
本发明涉及相电流采样和调节装置和方法以及电动机驱动系统。
The present invention relates to phase current sampling and regulating apparatus and methods, and electric motor drive systems.
对电流采样值进行了分段插值方法校正，并对温度进行了直线校正。
The value of current sampling was corrected by the subsection interpolation method, and temperature was corrected by the linear correction.
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.
利用高压集成功率集成器件，设计了一种用于电源管理IC的电流采样电路。
A current sensing circuit for power management IC is proposed, using high voltage power devices.
ACC控制利用电流采样反馈，从而使电流漂移最小、LD输出稳定性最大。
ACC makes use of current-sampling feedback to realize the minimum current drift and maximum output stability.
通过软件编程实现了转子位置捕获、电流采样、速度计算、电流调节、速度调节等。
In software design, rotor position capture, current sampling, the calculation of speed had been completed.
详细介绍了高速旋转电弧传感器的旋转驱动电路、位置检测电路以及焊接电流采样电路。
The rotary driving circuit, position detecting circuit, and welding current sampling circuit of the high speed rotating arc sensor are introduced in detail.
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.
系统采用霍尔传感器和电压传感器对电压和电流采样，转化成电压信号输给压控芯片LM 231。
The Halls sensor and voltage sensor is used for sampling current and voltage in the system, and the signals are transformed into voltage signal and sent to the LM231.
其次，对三种电流采样方法进行分析，确定采用成本低、易于实现的桥臂电流采样方法获取定子电流信息。
Then based on the analysis of three current sampling methods, a bridge sampling method with low cost and easy implementation is adopted to obtain the current information.
介绍了基于PS 21963平台用无刷直流电动机集成化驱动及电流采样电路设计方案，进行了相应的实验研究。
The basic characteristics of PS21963 intelligent power model is displayed in brief, and a circuit design about platform driving and electric current sampling is put forward.
在此基础上，提出一种基于电流采样值相关度的变压器保护新判据，利用变压器两侧电流采样值波形的相关度来区分内部故障和外部故障。
Based on this, the paper presents a new transformer protection criterion to distinguish internal faults and external faults by correlation coefficients of sampled current values.
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.
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.
其次，本文分析了非同步采样对电流检测的影响。
Secondly, the impact of the asynchronous sampling on the current detecting is analyzed in this paper.
其先进的电流检测电路采用采样和保持方法，以提供精确的平均电流信号。
Its advanced current sensing circuitry employs sample and hold methods to provide a precise average current signal.
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.
通过引入GPS定时技术解决了远距离多端同步采样问题，从而使电流纵差保护具有更高的可靠性。
GPS timing technique is used to realize remote multi -terminal synchronized sampling thereby enhancing the reliability of longitudinal difference protection of current.
介绍了空心线圈电流互感器的工作原理和特点，设计了适于此种互感器的交流采样和处理电路，详细介绍了软件的处理过程。
This paper introduces the principle and characteristic of the air-core coil current transformer, designs AC-sampling and processing circuit, and introduces the process of software detail.
DSP主要完成采样、PI调节和通信等，实现偏磁式消弧线圈励磁电流的数字控制。
The DSP realizes functions of sampling, PI regulation, communication and so on to digitally control the excitation current of arc-suppression coil with magnetic bias.
通过适当地选择S值，采样值差动保护对电流互感器（TA）饱和的影响具有一定的抵御能力，在工程实际中具有良好的应用前景。
Sampling value differential protection can guard against TA saturation by selecting appropriate value of S, and it has a well application value in engineering.
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.
本文提出恒频采样电流跟踪型PWM方式，并对其开关策略进行了理论分析。
The fixed frequency sample PWM method is put forward in this paper together with the theoretical analysis about their switch strategy.
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.
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.
介绍电流测定信号的过采样的几种方法，例如十进制滤波器等。
Several methods for oversampling of current measurement signal are introduced, for example, algorism filter, etc.
提出一种改进的基于采样-保持策略的电流三态调制开关功放。
An improved current-controlled tristate switching power amplifier based on sample-hold strategy is proposed in this paper.
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.
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