| 基于FPGA的高精度数字PWM DC/DC控制器设计 |
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| 引用本文： | 刘晓艳,景亮,洪益州.基于FPGA的高精度数字PWM DC/DC控制器设计[J].电测与仪表,2009,46(1). |
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| 作者姓名： | 刘晓艳 景亮 洪益州 |
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| 作者单位： | 江苏大学,电气信息工程学院,江苏,镇江,212013 |
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| 摘 要： | 提出了一种采用现场可编程门阵列(FPGA)实现数字化高精度PWM型DC/DC的方案,介绍了基于FPGA的DC/DC数字控制器中A/D转换、数字PID控制器、数字PWM的功能及实现,重点描述了采用混合PWM方法实现高分辨率、高精度数字PWM的设计.仿真结果表明数字PWM达到8位分辨率,1MHz的输出频率.该设计实现了系统的高速动态响应,达到精确控制的良好效果.
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| 关 键 词： | 数字脉宽调制器 直流值流转换器 现场可编程门阵列 电子设计自动化 |
The Implementation of High-precision Digital-PWM DC/DC Converter's Controller Based on FPGA |
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| LIU Xiao-yan,JING Liang,HONG Yi-zhou.The Implementation of High-precision Digital-PWM DC/DC Converter's Controller Based on FPGA[J].Electrical Measurement & Instrumentation,2009,46(1). |
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| Authors: | LIU Xiao-yan JING Liang HONG Yi-zhou |
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| Affiliation: | LIU Xiao-yan,JING Liang,HONG Yi-zhou(School of Electrical , Information Engineering,Jiangsu University,Zhenjiang 212013,Jiangsu,China) |
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| Abstract: | A novel high-precision digital-PWM DC/DC converter's controller is designed,which is implemented by the Field Programmable Gate Array(FPGA).The functions and the implementations of digital A/D converter,digital PID controller and digital PWM are introduced.Hybrid PWM method is particularly described to realize the high-resolution and high-precision digital PWM design.The simulation result indicates that the digital PWM has 8-bit resolution,1 MHz output precision.It has good effects on dynamic response and t... |
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| Keywords: | DPWM DC/DC FPGA EDA |
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