基于DSP的高精度数控恒流源设计

程磊; 章雯; 沈涵颖

程磊,章雯,沈涵颖.基于DSP的高精度数控恒流源设计[J].电测与仪表,2014,51(19):.
Cheng Lei,Zhang Wen,Shen Han-ying.Design of High-precision Digitally-controlled Constant-current Power Supply Based on DSP[J].Electrical Measurement & Instrumentation,2014,51(19):.

基于DSP的高精度数控恒流源设计

Design of High-precision Digitally-controlled Constant-current Power Supply Based on DSP

DOI：

中文关键词: DSP 恒流电源 PID控制数控

英文关键词:DSP, Constant-current power supply, PID control, digitally controlled

基金项目:苏州市科学技术局应用基础研究计划项目（SYG201248)

作者中文名	作者英文名	单位
程磊	Cheng Lei	苏州工业职业技术学院电子与通信工程系
章雯	Zhang Wen	苏州工业职业技术学院电子与通信工程系
沈涵颖	Shen Han-ying	苏州工业职业技术学院电子与通信工程系

摘要点击次数: 1821

中文摘要:

本文设计了一种高精度数控恒流源。该恒流源以DSP为控制核心,利用集成运放LF356构成深度负反馈闭环系统,引入PID控制算法,实时调整输出设定的电流。由按键设定步进和液晶显示步进值和测量值。实际测试结果表明,该电源输出电流精度高,可靠性好,适用于大功率恒流应用场合。

英文摘要:

This paper devisers aShigh precision digitally controlled constant current source. This system, including integrated operational amplifier LF356 with deep negative feedback, is based on DSP. PID control applied to the constant-current power supply. System may adjust the output current in real time. The button presetting, step, displaying the given value and actual measuring value with LCD make our system’ functions. The test results indicate that this system has the advantages of reliability and high-precision output. In the occasions with high power supply, it has a potential value for application.

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