基于ARM的太阳跟踪装置闭环控制系统设计

Design of closed-loop control systerm for sun tracing based on ARM

文章以跟踪太阳为目的,设计了以ARM7的微处理器LPC2290为硬件,μC/OS-Ⅱ实时操作系统为软件平台的太阳跟踪装置系统。在分析了步进电机和环境影响因素的基础上,提出了加入角度传感器形成闭环控制系统的方案。在LPC2290上实现了μC/OS-Ⅱ实时操作系统的移植,分析了跟踪装置闭环控制系统的任务划分、任务设计。实现了跟踪系统对太阳大范围、高精度的全天候自动跟踪。

For the purpose of tracing the sun,this paper designs the sun tracing systerm based on the ARM7 LPC2290 as the hardware and μC/OS-Ⅱ embedded real-time control systems as the platform of software.It puts forward the point of adding sensors to form closed-loop control system on the basis of analyzing the stepper motor and environmental factors.It introduces the transplant of μC/OS-Ⅱ to LPC2290,and the assignment of this closed-loop control system′s tasks is also analyzed.The systerm for a wide range tracing and all-day automatic tracking with high precision of the sun is achieved.