proportional

共 19 篇文章
proportional 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 19 篇文章,持续更新中。

LCL Filter

Abstract—A higher order passive power filter (LLCL-filter) for the grid-tied inverter is becoming attractive for industrial applications due to the possibility to reduce the cost of the copper and

LCL滤波器

Abstract—This paper deals with various active damping approaches for PI-based current control of grid-connected pulsewidth-modulation (PWM) converters with LCL filters, which are based on one addit

以MC68HC11K4和 MC68HC11N4微控制器为例,介绍PID比例积分微分实现闭环控制软件及实例

PID (proportional, integral, derivative) compensation is one of the most common forms of closed-loop

直流风扇基础Fan+Basics

直流风扇基础Fan+Basics Every system has an impedance curve. System impedance is generally proportional to Q2 . Operating point is the intersection of P-Q curve and the impedance curve. The use of impedan

利用MC68HC16Z1数字信号处理功能,实现比例积分差分(PID)控制算法数字滤波器的设计

This application note discusses digital filter implementation of Proportional, Integral, Differentia

基于单片机的量程转换数字电压表设计

<p>数字电压表设计采用STC89C52单片机为控制核心,分压器加上同相比例运放构成量程转换电路,输出由模数转换器ADC0831处理并通过4位数码管显示,可以测量0-50V的模拟直流输入电压值。阐述了ADC0831模数转换的结构原理,着重设计硬件电路和软件编程。设计简单、功能齐全、信号实时显示、测量精准度和稳定性较高。</p><p>In this design of digital voltmet

基于磁通门传感器的高精度地磁检测仪

<p>磁通门传感器具有分辨率高,测量弱磁场范围宽,体积小、重量轻、功耗低,经济性好,能够直接测量磁场的矢量和适于在高速运动系统中使用等特点,被广泛应用于各种领域。本文分析了磁通门传感器的工作原理,详细论述了如何采用数字检波的方法进行信号处理.阐述了地磁检测仪硬件电路的设计。检测装置主要由磁通门传感器、单片机最小系统、A/D数据采集电路和串口电路构成。磁通门传感器检测到磁场的矢量大小,输出信号经过有

使用dsPIC30FDSC实现PMSM电机的正弦驱动

<p>简介</p><p>本文档介绍了如何使用dsPIC30F数字信号控制器(Digital Signal Controller,DSC)控制正弦电流来驱动具有位置传感器的永磁同步电机(Permanent Mag-</p><p>net Synchronous Motor,PMSM).电机控制固件使用dsPIC30F外设,而数学运算则由DSP引擎完成。为充分利用dsPIC30F的特殊DSP运算性能,固

温度控制的PID算法的C语言程序.

<p>#nclude&lt;reg51.h&gt;</p><p>#include&lt;intrins.h&gt;</p><p>#销nclude&lt;math.h&gt;</p><p>#include&lt;string.h&gt;</p><p>struct PID{</p><p>unsigned int SetPoint;//设定目标 Desired Value unsigned int Pr

用择多函数实现反电动势滤波的无传感器BLDC控制.

<p>本应用笔记介绍一种采用dsPIC数字信号控制器(Digital Signal Controller,DSC)或PIC24单片机来实现无刷直流(Brushless Direct Current,BLDC)电机无传感器控制的算法。该算法利用对反电动势(Back-Electromotive Force,BEMF)进行数字滤波的择多函数来实现。通过对电机的每一相进行滤波来确定电机驱动电压换相的时刻。

This software is developed to provide ease with controller design. For PID control, options are give

This software is developed to provide ease with controller design. For PID control, options are given to design and analyse the compensated and uncompensated system. You are free to choice among Pr

CANopen - Profile Fluid Power Technology Proportional Valves and Hydrostatic Transmissions

CANopen - Profile Fluid Power Technology Proportional Valves and Hydrostatic Transmissions

he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with on

he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with only 2 discrete levels, for example 0V and 5V and a constant period. The current value of this signal

OFDMA Resource Allocation Simulations A Low Complexity Algorithm for Proportional

OFDMA Resource Allocation Simulations A Low Complexity Algorithm for Proportional

This is a device for use by RC hobbysts: it transforms a servo from proportional to integrative. For

This is a device for use by RC hobbysts: it transforms a servo from proportional to integrative. For RC boats, it allows user not to change the functionality of the throttle stick, UP/DOWN in stead of

I. C. Wong, Z. Shen, J. G. Andrews, and B. L. Evans, ``A Low Complexity Algorithm for Proportional R

I. C. Wong, Z. Shen, J. G. Andrews, and B. L. Evans, ``A Low Complexity Algorithm for Proportional Resource Allocation in OFDMA Systems , Proc. IEEE Int. Work. Signal Processing Systems, 针对这篇文章给出的源代码

基于开关电容技术的锁定放大器设计

锁定放大是微弱信号检测的重要手段。基于相关检测理论,利用开关电容的开关实现锁定放大器中乘法器的功能,提出开关电容和积分器相结合以实现相关检测的方法,并设计出一种锁定放大器。该锁定放大器将微弱信号转化为与之相关的方波,通过后续电路得到正比于被测信号的直流电平,为后续采集处理提供方便。测量数据表明锁定放大器前级可将10-6 A的电流转换为10-1 V的电压,后级通过带通滤波器级联可将信号放大1×105

Delta Sigma的ADC桥测量技术

<p> &nbsp;</p> <div> Sensors for pressure, load, temperature, acceleration andmany other physical quantities often take the form of aWheatstone bridge. These sensors can be extremely linearand stabl

晶体振荡器设计,以满足您的应用

<div> Abstract: Quartz crystals are mechanical resonators with piezoelectric properties. The piezoelectricproperties (electric potential across the crystal is proportional to mechanical deformation)