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LPC1768-Xplorer
- LPC1768-Xplorer is a CORTEX-M3 based stamp board for NGX’s mbed-Xpresso Baseboard. The LPC1768 microcontroller has 512KB of internal flash and 64KB RAM. Ethernet MAC, USB Device/Host/OTG interface, 8-channel general purpose DMA controller, 4 UARTs, 2
PicMcuDecodePT2262IR
- 这段程序是用在一款七彩灯红外遥控解码程序里,单片机使用PIC12F629,软件模拟三路PWM输出驱动红绿蓝LED分八组共24个LED,实现单LED渐明渐暗,两LED一明一暗,七彩等九种花样.有断电记忆功能-This procedure is used in a colorful light infrared remote control decoding procedure, the single-chip using the PIC12F629, the software simulation
ex8_PWM
- DSP中用于实现PWM来控制电机、开关电源等-DSP implementation PWM used to control motors, switching power supply, etc.
Synchronoudigitalcommnicationnetorktechnology
- 丁类音频功率放大器的工作方式。同时利用PWM信号控制导通时间以放大信号。这个主要是性能研究开发 没有硬件-Class D audio power amplifier work. At the same time, the use of PWM signal to control turn-on time to signal amplification. The performance of the main research and development are not the hardwar
motor
- 单片机产生PWM波对电机进行调速 脉冲宽度调制(Pulse Width Modulation—PWM)是指将输出信号的基本周期固定,通过调整基本周期内工作周期的大小来控制输出功率-Single-chip PWM wave generated on the motor speed Pulse width modulation (Pulse Width Modulation-PWM) refers to the basic cycle of the output signal of a fi
qichepenyouzuiqingxiji
- 由AT89S51单片机控制检测输入/输出显示和电机调速,按键输入,数码管显示,电机PWM驱动-Principle of the use of electric heating electric therapeutic apparatus developed with single-chip timing control devices, multi-file power conditioning, the temperature of 30 ° ~ 90 ° between the adjust
Pulse_Width_Modulator_Project
- 脉冲宽度调试机器程序设计 具体请看英文描述-Pulse-width modulation (PWM) of a signal or power source involves the modulation of its duty cycle, to either convey information over a communications channel or control the amount of power sent to a load.
ADchange
- 在控制单元的开关调整元件(T1)接通期间,能量流进贮能单元(C12)进行储能,当开关调整元件关断时,存储在电容里的能量通过滤波直接给负载供电,取样电路对输出电压进行取样,反馈到运放比较的输入端,运放电路将取样电压与PWM输出电压进行比较,比较之后输出一定脉宽给控制单元,控制开关调整元件的导通时间,从而控制储能输出,使输出值与预设值相等,减小误差。同时,通过取样电路对输出取样,送至单片机,经过内部模数转换,按键切换时,LED便可显示实际输出值-The switch in control unit
KA3525
- 基于KA3525的单片机辅助PWM控制电源电路,对于电源电路有详细的阐述-KA3525 microcontroller-based PWM control of auxiliary power supply circuit
1
- 摘要:基于单片机的数控开关电源是利用单片机实现对开关电源的输出电压设定、输出电压步进调整、输出电压和输出电流显示等数字控制。本文设计的数控开关电源由两部分组成。开关电源部分采用基于PWM控制的不对称半桥功率变换器,由模拟控制芯片KA3525产生PWM信号经驱动电路实现对功率变换电路的输出电压控制,实现电压的稳定输出。数控部分采用凌阳单片机的D/A输出对KA3525的误差比较器的参考端进行数字给定,实现对输出电压的设定、步进调整和显示等功能。文中给出了系统设计框图,对各部分电路进行了分析,并给出了
closed_loop
- 本程序主要是单片机控制的DC—DC开关电源系统的软件设计。 闭环反馈控制功能:在开环控制的基础上,设置一个反馈控制触发按键,该按键按下时,启动闭环控制程序,将电源输出电压反馈到单片机中,并由闭环算法调整输出矩形波的占空比,使得重新输出的电压与数码管显示电压误差减小。-A DC-DC system controlled by single chip, including the realization of the hardware as well as the software of the
bujinvc
- 通过按键进行电源递增递减的控制,实现pwm的输出的调制-Increased by decreasing the power button to control the output of the modulation to achieve pwm
wushuadianji
- 用PIC16F72单片机实现无刷电动车的PWM程序,可以实现电子换相,无极调速,刹车断电,附加功能等,有限流驱动、过留保护等功能-Use PIC16F72 MCU PWM brushless electric car program, can achieve electronic commutation, stepless speed control, braking power, additional features such as the limited flow-driven, over
oliver
- Base on the PWM modulation which could control the power block LM317 by the microchip MCS51
LPC2292_2294
- LPC2114/2124/2212/2214 16/32 ARM7TDMI-S CPU128/256 k(kB)Flash12832 16 Thumb30-With their 144-pin package, low power consumption, various 32-bit timers, 8-channel 10-bit ADC, 2/4 (LPC2294) advanced CAN channels, PWM channels and up to nine exte
xinxingshuiwen
- 了基于逻辑规则控制算法的水温控制系统。该系统根据设定温度与实测温度 形成的偏差及偏差变化率,按照一定的规则调节PWM脉冲的占空比大小,从而调节了加热设备的输出功率。实际测试表明, 系统超调量小,上升时间快,控制精度达到了0.1℃。-Control algorithm based on logical rules of temperature control system. The system according to the set temperature and measured t
444
- 实现智能数字显示仪表。要求8位数码管显示(4位显示测量值,4位显示设定值),4输入按钮(功能选择、数码管选择、数字增加、数字减少),可设定上下限报警(蜂鸣器报警)。K型热电偶(镍铬-镍硅),测温范围为0℃~1000℃。采用比例-积分控制、并用晶闸管脉宽调制驱动1000W电加热器(电源电压为AC220V)。-Intelligent digital display instrument. Asked 8-bit digital display (4 shows measured values, fo
OUT_FBA
- 如何实现?在一个在稳压电源后面加MCU控制一个稳定输出的电流,电流输出波形要求如图所示。---这里提供硬件图纸,配合单片机PWM 输出 来实现.-How? In a regulated power supply followed by the MCU to control a stable output current, the current requirements of the output waveform as shown.--- Here are the hardware drawi
SpeedRegulationSystemResearchofMiningElectricLocom
- 矿用电机车电控系统有两种,一种是有触点的电控系统,另一种是脉冲调速系统。以晶闸管为主要元件的脉冲调速系统在矿用电机车中仍大量使用。晶闸管属于半控型器件,其控制极只能控制开通而不能控制其关断,在低速运行时,晶闸管一经导通后,如果不能根据需要关断,则电动机承受全部电压而失去控制,电机车全速运行。本文利用MATLAB软件对矿用电机车晶闸管脉冲调速系统的主电路进行建模并仿真,对影响安全运行的关键元器件进行了详细的分析。仿真结果表明晶闸管脉冲调速系统存在安全隐患。随着电子工业的飞速发展,一种新型的全控型电
Autopower
- 本程序采用C8051F330单片机进行PWM输出,来控制电源的输出电压,对电池进行充电-This procedure uses C8051F330 microcontroller PWM output to control the power supply output voltage to charge the battery