CAJ | 학술논문

提出一种基于单片机控制的数控直流恒流源系统的设计方案.采用32位STM32单片机作为微控制器,配备键盘输入模块、D/A转换模块、恒流源模块、A/D采集模块、液晶显示模块搭建起整个系统.通过硬件系统测试,该系统能实现简易人机交互通信,在量程允许范围内,恒流源系统具有步进加减功能,能任意设定输出电流,并且该系统输出稳定,误差小,精度高,带负载能力强.
제출일충기우단편궤공제적수공직류항류원계통적설계방안.채용32위STM32단편궤작위미공제기,배비건반수입모괴、D/A전환모괴、항류원모괴、A/D채집모괴、액정현시모괴탑건기정개계통.통과경건계통측시,해계통능실현간역인궤교호통신,재량정윤허범위내,항류원계통구유보진가감공능,능임의설정수출전류,병차해계통수출은정,오차소,정도고,대부재능력강.
In this paper,a design scheme of digital control DC constant current source system based on microcomputer control is presented.Using 32 bit STM32 as a microcontroller, equipped with keyboard in-put module,D/A conversion module,constant current source module,A/D acquisition module,LCD mod-ule to build up the whole system.Through the hardware system test,the system can realize the simple hu-man-computer interaction and communication,in the range of the range,the constant current source sys-tem has the function of stepping add and subtraction,can set the output current,and the output of the sys-tem is stable,the error is small, the precision is high, with the load capacity is strong.