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The-FPGA-high-speed-data-acquisition
- 摘要:介绍了现场可编程门阵列FPGA(Field Programmable Gate Array)器件XCS30的主要特点、技 术参数、内部结构和工作原理,I}述了其在电力系统高速数据采集系统中的应用实例。电力数据采 集装置—馈线终端单元(FTU)需要监测多条线路的电压和电流,实时性要求高,充分利用FPGA 的并行处理能力,对输入信号实行同时采样、分时进行A/D转换,通过在FPGA片上构建的DRAM 进行数据的快速传输。FPGA在系统中承担了较多的实时任务,使DSP芯片TMS32
DPM21A
- STC单片机采样并计算交流电流,在lED上显示出来-STC SCM sampling and calculation of alternating current, displayed on lED
DPM23A
- stc12C5A16S2采样并计算三相电流,用按键操作自动校正-stc12C5A16S2 sampling and calculation of three-phase current key operation, automatic correction
Fire-monitor
- 漏电流检测 将电流信号转化为电压AD采样再经过还原测得漏电流的大小 -Fire monitor
Permanent-magnet-synchronous-motor
- Mysmo.mdl 永磁同步电机的主程序,可以实现有速度传感器启动运行,和无速度传感器运行。 SMOmodel.m 改进的滑模观测器模型,实现永磁同步电机反电动势的估算。 PFCDCM0hm5 用的是0.5hm的电感,实现220V交流电变换成400V的直流电,电流断续。 由于是仿真,如果要硬件实现的话,除了需要电压采样外,还需要一个输入电压过零检测 PFCCM320percent98k50 用的是5hm的电感,实现220V交流电变换成320V的直流电,电流连续。功
ActivePower
- 基于wince的电力控制人机交互界面,可显示三相电压电流,设置采样变比-Wince the power to control the interactive interface to display three-phase voltage and current, set the sampling ratio
AT89C4051-12PI_Wireless
- 本项目为单片机通过ADC对前端电压、电流进行采样分析,处理后进行短距离无线传送,并液晶显示,CPU为AT89C4051-12PI,无线模块为ZT-TR43C,液晶选用LCM46-This project is a microcontroller through ADC front-end voltage, current sampling and analysis, short-distance wireless transmission after processing and LCD, CP
A-differential-method
- 利用一次微分法计算电流、电压的幅值、 相位等电量时,只需使用连续的三个采样 值,算法的时间窗为 2Ts-Using a differential method to calculate the current, voltage amplitude, phase and electricity, simply use continuous three sampling value, the algorithm of time window for 2 ts
ic5.rar
- AD8200芯片,是用以电流采集反馈的,精度值非常高,可以双向采样,价钱便宜,AD8200 chip, is used to the current collecting feedback, very high accuracy, can be two-way sampling, cheap
X-Ray
- X射线机控制源代码主要对高频微焦点牙科X线机的高频逆变技术、高频变压以及灯丝电路控制原理进行了编写研究。通过程序代码对于管电压以及管电流的控制,采用脉冲宽度调节方式(PWM)实现输出电压和功率的调节。X射线机控制程序通过硬件电路的AD采样经直流逆变、高频变压器、倍压整流形成数字电路经计算机编译得到单片机能够识别的二进制代码来控制机器,其成像极为清晰并且球管发射出的软射线得到了很好的抑制,降低了漏射线量,提高了成像效率,使常规X射线机的结构形状多样化,具有体积小、重量轻、低辐射(其辐射量、漏射线量
MSP430
- map430 测电流1602显示采用内部ADC采样-map430 measured current 1602 show
dianyuan
- stc12c5a60s2单片机电源电压电流检测 AD采样-stc12c5a60s2 AD Power supply voltage and current detection
floater
- 将微小的电流变化,按比例放大,采样并数字化显示于开发的液晶屏-The small current changes in proportion to amplification, sampling and digital display of the LCD screen in the development of
Voice-storage-playback-system
- 控制核心采用超低功耗MSP430F149单片机,采用片内flash作为存储器,采用单片机内集成12位ADC,采样频率为8 KHz,数字信号经DAC0832转换、电流至电压变换后成为模拟语音信号,经带通滤波器再送往音频功率放大器进行回放。-Voice storage playback system
DSP-LABVIEW1
- 对电流和电压的采样,检测控制开关管,并实现数字通信-The current and voltage of the sampling, detection and control switch, and Digital Communication
main
- 对电网电气量参数(电压,电流)就行采样检测,并计算出无功功率大小,从而判断电容的投切-Electrical quantities on the grid parameters (voltage, current) on the line sampling and testing, and calculate the size of reactive power, in order to determine capacitor switching
read_adc
- 基于TI公司TMSF2812DSP芯片的电流AD采样源程序,采样结果精准有效-Based on TMSF2812DSP chip of TI company current AD sampling source program, the sampling result is accurate and effective
sample-UaI
- MSP430采集电压电流两路信号,AD采样-MSP430 acquisition of voltage and current signals,AD sampling
PQ_good
- 瞬时无功功率PQ法!直接输入相应的ABC三项电流和电压!通过采样频率确定采样点数。本程序是以9600的采样频率为例!-The instantaneous reactive power PQ method!ABC three with the corresponding input current and voltage directly!Determined by the sampling frequency sampling points.This program is 9600 sampli
ADS8345
- 通过AD转换芯片ADS8345实现对模拟电流和温度信号的采样以及数字化转换, 将数字量存储到51单片机内存中。ADS8345启动A/D转换完成后,触发51单片 机外部中断0,在中断服务程序当中,实现A/D数据的读取。-ADS8345 analog current and temperature to achieve sampling and digital signal converted by the AD converter chip, the microcontroller 51