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2power2
- 在大功率DC/DC开关电源中,为了获得更大的功率,特别是为了得到大电流时,经常采用N个单元并联的方法。多个单元并联具有高可靠性,并能实现电路模块标准化等优点。然而在并联中遇到的主要问题就是电流不均,特别在加重负载时,会引起较为严重的后果。普通的均流方法是采取独立的PWM控制器的各个模块,通过电流采样反馈到PWM控制器的引脚FB或者引脚COMP,即反馈运放的输入或者输出脚来调节输出电压,从而达到均流的目的。显然,电流采样是一个关键问题:用电阻采样,损耗比较大,电流放大后畸变比较大;用电流传感器成
S3C44B0X中文技术文档
- 介 绍 三星的S3C44B0X 16/32位RISC处理器被设计来为手持设备等提供一个低成本高性能的方案。 S3C44B0X提供以下配置:2.5V ARM7TDMI 内核带有8Kcache ;可选的internal SRAM;LCD Controller(最大支持256色STN,使用LCD专用DMA);2-ch UART with handshake(IrDA1.0, 16-byte FIFO) / 1-ch SIO; 2-ch gener
bldc.matlab.rar
- 在分析无刷直流电机(BLDC)数学模型的基础上,提出了一种无刷直流电机控制系统仿 真建模的新方法。在Matlab/Simulink环境下,把独立的功能模块和S函数相结合,构建了无刷直流 电机系统的仿真模型。系统采用双闭环控制:速度环采用离散PID控制,根据滞环电流跟踪型PWM 逆变器原理实现电流控制。仿真和试验结果与理论分析一致,验证了该方法的合理性和有效性。 此方法也适用于验证其他控制算法的合理性,为实际电机控制系统的设计和调试提供了新的思路。 ,Based on the mathe
Electricboilertemperaturecontr
- 摘要】 本文介绍了以AT89S51单片机为核心的温度控制器的设计,在该设计中采用高精度的温度传感器AD590对电热锅炉的温度进行实时精确测量,用超低温漂移高精度运算放大器OP07将温度-电压信号进行放大,再送入12位的AD574A进行A\D转换,从而实现自动检测,实时显示及越限报警。控制部分采用PID算法,实时更新PWM控制输出参数,控制可控硅的通断时间,最终实现对炉温的高精度控制。 【关键词】 水温控制系统 PID控制单片机 温度控制是工业生产过程中经常遇到的过程控制,有些工艺过
02FPGA_FuzzyController
- FPGA based PWM controller
PWM-Controler
- 俺自己做的PWM控制器.CPU STM32f103vbt6 所用键盘4*4 .所用显示器LCD12864-I own the PWM controller. CPU STM32f103vbt6 the 4* 4 keyboard with display LCD12864
Study-on-the-Control-Scheme
- 恒频恒压(CVCF)逆变电源的输出电压波形质量是衡量其性能的重要指标之一。文章采用一种重复控制和双闭环控制相结合的电压波形控制策略,以重复控制器提高逆变电源输出电压的稳态精度,减小总谐波畸变率;以双闭环控制器达到较快的动态响应速度。该方案在一台采用TMS320F240 DSP控制芯片的50 Hz三相PWM逆变器上得到验证。-Constant voltage constant frequency (CVCF) Inverter output voltage waveform quality is
UC3843
- Descr iption The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a
1451-48691001057S
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
cospiacd
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
JPtpenov95p680
- Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in
OB2276-Datasheet--
- OB2276 PWM控制器,待机功率<100mW,最大输出65W-The OB2276 PWM controller, standby power < 100mW, maximum output of 65W
fan-speed-controller
- automatic fan speed control using lm35 in this project lm35 sensor is used to get the value of temperature on the basis of value of temperature pwm signal generates that control the speed of fan
PWM-solar-LED
- PWM 太阳能路灯控制器的设计,含有源程序及原理图,欢迎下载-Design PWM solar street light controller containing the source code and schematics, welcome to download
pwm-motor-driver
- motor controller using PWM , schematic design
dSPACE Based Implementation of PID Controller for Buck Converter
- In this paper output voltage of chosen buck DC – DC converter is regulated at nominal output voltage of 13 volts under [1] under supply disturbance of 20 to 25 volt and vice versa [2] under load disturbance of 28 to 50 ohms and vice versa. The perfor
Control-of-Three-Phase-PWM-Rectifiers
- As I have marked in the attached image, there is a PI controller, which is not necessarily a PI controller and could have several poles or zeroes. I have simulated this system nearly successfully and the only thing I am struggling with is the co
Temperature-controller-based-on-MCU
- 文中介绍了一种单片机的PWM控制的温度控制器,值得借鉴。-This paper introduces a microcontroller PWM control of the temperature controller, is worth learning.
FM01BTS
- FM01BTS、 FM01BTD 是一款低功耗并具有高性能的电源管理 IC,主要针对锂电池充电器而设计,与简单低成 本的 RCC 电路相比省去碳膜电阻一个、绦纶电容一个、 IN4148 二极管一个、 SS8050 三极管一个、稳压管一个, 最大程度的节约了系统成本,除了为用户提供高性价比的 AC/DC 电源系统应用以外,而且 IC 内部高度集成了欠压 锁定,过压保护,过温保护,限流保护,开短路保护等功能,使得 IC 的工作寿命大大延长。-CURRENT MODE PWM CONTRO
PWMrectfier
- In this paper, simulation and practical implementation of direct power control is presented for a PWM Rectifier application. The proposed DPC control has several advantages, including the grid current very close to sinusoidal waveforms (TDH <1