| 精密数控直流电源设计 |
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| 引用本文： | 黄兆林,吴文彤,景晓军,乔凤杰. 精密数控直流电源设计[J]. 工矿自动化, 2011, 37(8): 134-137 |
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| 作者姓名： | 黄兆林 吴文彤 景晓军 乔凤杰 |
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| 作者单位： | 1. 中煤科工集团常州自动化研究院,江苏常州,213015
2. 中国矿业大学信电学院,江苏徐州,221116 |
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| 摘 要： | 介绍了一种高精度数控直流电源的总体方案和主要电路的设计。该电源以开关稳压芯片LM2596和高性能16位数字信号控制器dsPIC30F4013为基础,将开关直流稳压电源的高效率性和嵌入式系统的高精度数据采集处理能力相结合,采用数字电位器MAX5478实现输出电压的微步进调节,具有输出电流保护功能、实时显示电压电流、矩阵键盘人机交互功能。测试结果表明,该电源具有输出性能稳定、带负载能力强等优点,具有一定的实用价值。
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| 关 键 词： | 开关电源 数控电源 直流稳压电源 电流保护 矩阵键盘 dsPIC30F4013 |
Design of a High-precision Digital Controlled DC Power Supply |
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| HUANG Zhao-lin,WU Wen-tong,JING Xiao-jun,QIAO Feng-jie. Design of a High-precision Digital Controlled DC Power Supply[J]. Industry and Automation, 2011, 37(8): 134-137 |
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| Authors: | HUANG Zhao-lin WU Wen-tong JING Xiao-jun QIAO Feng-jie |
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| Affiliation: | HUANG Zhao-lin1,WU Wen-tong1,JING Xiao-jun2,QIAO Feng-jie2(1.Changzhou Automation Research Institute of China Coal Technology and EngineeringGroup Corporation,Changzhou 213015,China.2.School of Information and Electrical Engineering of CUMT.,Xuzhou 221116,China) |
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| Abstract: | The paper introduced design of an overall scheme and main circuit of high-precision digital controlled DC power supply.The power supply is based on switch regulator chip LM2596 and digital signal controller dsPIC30F4013,which combines high-efficiency of DC voltage-stabilized power and capabilities of high-precision data acquisition and processing of embedded system,and uses digital potentiomete MAX5478 to achieve adjustment of output voltage.The power supply has functions of output current protection,real-t... |
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| Keywords: | switch power supply digital controlled power supply DC voltage-stabilized power supply current protection matrix keyboard dsPIC30F4013 |
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