[1]孙晨晨,张 强,徐玮巍,等.高精度、宽输出高压直流电源控制模块的设计[J].南京师范大学学报(工程技术版),2018,18(03):069.[doi:10.3969/j.issn.1672-1292.2018.03.010]
　Sun Chenchen,Zhang Qiang,Xu Weiwei,et al.Design of Control Module for DC Power Supply withHigh Precision and Output Range of Voltage[J].Journal of Nanjing Normal University(Engineering and Technology),2018,18(03):069.[doi:10.3969/j.issn.1672-1292.2018.03.010]
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高精度、宽输出高压直流电源控制模块的设计
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
18卷
期数:
2018年03期
页码:
069
栏目:
电气与电子工程
出版日期:
2018-09-30

文章信息/Info

Title:
Design of Control Module for DC Power Supply withHigh Precision and Output Range of Voltage
文章编号:
1672-1292(2018)03-0069-05
作者:
孙晨晨; 张 强; 徐玮巍; 高 颂; 赵 华
南京师范大学物理科学与技术学院,江苏 南京 210023
Author(s):
Sun Chenchen; Zhang Qiang; Xu Weiwei; Gao Song; Zhao Hua
School of Physics and Technology,Nanjing Normal University,Nanjing 210023,China
关键词:
高压直流电源; 控制模块; 数模转换模块; 软件修正
Keywords:
high voltage DC power system; control module; D/A conversion module; software correction
分类号:
TH711
DOI:
10.3969/j.issn.1672-1292.2018.03.010
文献标志码:
A
摘要:
针对经典的密里根油滴实验对直流电源的高精度、宽输出等要求,进行了高压直流电源中控制模块的硬软件设计. 采用了双12 bit数模转换并联构成14 bit数模转换的方法,在不增加成本的基础上,提高了控制电压的分辨率. 采用软件补偿的方法提高控制精度,将实际控制电压的最大误差由0.12 V改善到了0.000 6 V. 实验结果表明,高压直流电源的输出范围为-1 200～1 200 V,精度为±0.072 V.
Abstract:
This paper completes the hardware and software design of the control module in the DC power supply with high precision and output range of voltage. This design uses a double 12-bit digital-to-analog conversion to form a 14-bit digital-to-analog conversion method,which improves the resolution of the control voltage without increasing the cost. In order to improve the actual control accuracy feature,the design uses software compensation method to improve actual control voltage maximum error from 0.12 V to 0.000 6 V. Through this design,DC power supply can achieve requirements of the output range of -1 200～1 200 V and the accuracy of ±0.072 V.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-11-06.
基金项目:江苏省高等学校自然科学研究面上项目(18KJB510020)、国家重点研发计划地球观测与导航重点专项(2017YFB0503500)、教育部产学合作协同育人项目(201702084020、201702109082).
通讯联系人:赵华,博士,副教授,研究方向:智能仪器,信号处理. E-mail:zhaohua@njnu.edu.cn
更新日期/Last Update: 2018-09-30