搜索资源列表
pwm_source
- Altera官网上关于SOPC中自定义组件(PWM)的实例,官网上现在没了。。可很多书上都在用-Altera in the official line on the SOPC custom component (PWM) of the examples are not the official line. . Can be a lot of books are in use. . .
PWMSound
- 脉冲宽度调制(PWM)是英文“Pulse Width Modulation”的缩写,简称脉宽调制。它是利用微处理器的数字输出来对模拟电路进行控制的一种非常有效的技术,广泛应用于测量,通信,功率控制与变换等许多领域。一种模拟控制方式,根据相应载荷的变化来调制晶体管栅极或基极的偏置,来实现开关稳压电源输出晶 体管或晶体管导通时间的改变,这种方式能使电源的输出电压在工作条件变化时保持恒定。 脉冲宽 -Pulse width modulation (PWM) is the English &qu
PWM
- PWM波程序 可以用来控制电机调速,程序比较简单,这里只用了一个定时器就实现了。因为51单片机没有PWM波的寄存器,所以要自己用软件控制。-PWM waves program can be used to control motor speed, procedure is simple, here only a timer is realized. Because no PWM waves 51-series microcomputer to yourself, so with register
pwm_study
- ATMEGA8-pwm-学习AVR的朋友们挺多的,但对于一初学者来说不知从何入手,不妨参考下我的教学代码。这是第一次接触时用的。-ATMEGA8-pwm-learning挺多friends AVR, but for a beginner I do not know how to run, I may wish to refer to the instruction under the code. This is the first time used in contact.
key_pwm
- ATMEGA8-keyboard-pwm-学习AVR的朋友们挺多的,但对于一初学者来说不知从何入手,不妨参考下我的教学代码。这是第一次接触时用的。-ATMEGA8-keyboard-pwm-learning挺多friends AVR, but for a beginner I do not know how to run, may wish to refer to the following code to my teaching. This is the first time used in
shukongzhiliudianyuan
- 介绍了一种闭环智能数控直流电流源的设计原理和实施方案,该方案采用自行设计制作的高精度电压源,利用单片机、PWM和运算放大器构成A/DD/A转换器来控制场效应管导通状态的原理,达到了输出恒流的目的。整个系统采用89C58单片机作为主控部件,将预置电流值数据送入D/A转换器,经硬件电路变换为恒定的直流输出,同时使用采样电阻将实际输出电流转换成电压送入A/D转换器,并将其反馈到单片机中构成闭环系统,进而实现预设值和实际值的比较,再通过调整D /A转换器输出的电压来改变场效应管的导通状态,减小了实际值与
PWM_ADC
- A implementation of pulse width modulation (PWM) in matlab.
89C52PWM
- 这是一个用51单片机写的PWM控制程序This is a single chip using 51 of the PWM control procedures written -This is a single chip using 51 of the PWM control procedures written,This is a single chip using 51 of the PWM control procedures written
PWM
- 运行程序时,正常情况下,喇叭和蜂鸣器会发声,数码管的第一个显示A,表示AD的意思,中间两个数码管显示AD转换出来的数值,闪动的点为定时器工作时每秒的计时。按键时在第4个数码管上显示所按下的键值。8个LED除第3,4个不亮外其他都亮,而当把插在J1第1,2针上的插线改插在J1第3,4针上时,这第3,4个LED亮。通过调节滑动变阻器VR1或VR2的值使数码管上显示的AD值改变。通过串口调试助手发送数据,目标板接收后在液晶上显示(波特率为9600),目标板每次复位后,都会向上位机发送一串数据,并在LC
pwm
- 在p1.0上产生一个占空比变化的脉冲信号,它产生的脉宽调制信号用于电机的变速控制-P1.0 generated in a pulse duty cycle changes, which generated PWM signal for motor speed control
sibgebipole
- 单极性PWM控制方式Simulink仿真,很简单,便于电力电子初学者学习,里面还加了一个模拟滤波器,也很简单,但想法非常重要-Unipolar PWM control Simulink simulation, very simple, easy for beginners to learn power electronics, which also added a simulated filter, is also very simple, but very important idea
triblebgesuperposition
- 三相桥双极性PWM控制Simulink仿真,叠加一些其他信号,另加一滤波器观看PWM经过低通滤波后的波形,适合电力电子初学者-Three-phase bridge bipolar PWM control Simulink simulation, superimposed a number of other signals, plus a watch PWM filter through after the low-pass wave filter for power electronics fo
triblebgehysteresis
- 三相逆变桥PWM电流滞环控制Simulink仿真,另加一滤波器观看PWM经过低通滤波后的波形,适合电力电子初学者-Three-phase PWM inverter current hysteresis control Simulink simulation, plus a watch PWM filter through after the low-pass wave filter for power electronics for beginners
introducesthesingle-chipAT89S52
- 本文介绍了以单片机AT89S52、光电脉宽调制器芯片TL494核心通过用单片机控制调节PWM 的方法,实现单片机控制的DC-DC开关电源电路系统;以及由数模转换芯片ADC0804等构成反馈以得到精确的电压输出的电路系统。由于单片机的电压不稳以及带负载能力不强,所以还包括单片机到DC-DC开关电源之间的稳压以及低通滤波的设计,ADC0804芯片外围电路设计,以及相关的调试与测试方法。-This paper introduces the single-chip AT89S52, photoelect
arm-examples
- arm的几个小实验,包涵lcd ,led interrupt,pwm,iic等,希望对大家有所帮助-Several small experimental arm,i am a newer here ,i have no scoucre code any more ,so sorry
d
- 这是一个三相电流滞环PWM控制的逆变电路-This is a three-phase hysteresis current-controlled PWM inverter circuit
EP1C3_12_1_2_MOTO
- 基于FPGA的直流电机的PWM控制和步进电机的细分驱动控制。使用VHDL语言编写,压缩包里是Quartus下的工程。-FPGA-based PWM DC motor control and stepper motor-driven control of a breakdown. The use of VHDL language, compression bag is under the Quartus project.
motorspeedmodification
- 介绍了基于单片机用PWM实现直流电机调整的基本方法,直流电机调速的相关知识,及 PWM调整的基本原理和实现方法。重点介绍了基于MCS一51单片机的用软件产生PWM信号的途径,并 介绍了一种独特的通过采用计数法加软件延时法实现PWM信号占空比调节的方法。对于直流电机速度控 制系统的实现提供了一种有效的途径。-This paper introduces a kind of method of DC —motor speed modification based on PWM theory
pwm
- you can use this code to generate PWM to drive your dc motor. it is written in C. it s a .c file.
RGBleds
- This Code can controller a Led RGB from PWM hardware incluide on a microcontroller PIC