供电综合保护器实时系统μC/OS-Ⅲ中断管理设计

Design of Real-Time System μC/OS-Ⅲ Interrupt Management Design in Power Supply Integrated Protector

针对供电综合保护器对实时性的要求,结合μC/OS-Ⅲ实时操作系统对保护器中断任务进行中断管理设计。通过对μC/OS-Ⅲ系统中断管理机制分析,将中断任务分成内核对象参与和无内核对象参与,并对两种中断任务进行不同处理。为减少中断延迟时间,提高保护器系统对异常事件的响应速度,将数据采集、数据接收、数据存储等内核对象参与的中断任务选择延迟发布模式。仿真实验结果表明,中断关闭时间最高为3.35 ms,提高了系统对中断任务的快速响应和处理,保证了保护器的实时性和稳定性。

Aiming at the real-time requirement of power supply comprehensive protection,combined with μC/OS-Ⅲ real-time operating system,the interrupt management devise of the protector interrupt task is carried out.In this paper through the analysis of μC/OS-Ⅲ system interrupt management mechanism,to divide the interrupt tasks into kernel object participation and non kernel object participation,and handle the two kinds of interrupt tasks differently.In order to reduce the interrupt delay time and improve the response speed of the protector system to the abnormal events,the delayed release mode is selected for the interrupt tasks involving data collection,data receiving,data storage and other kernel objects.The simulation experiment results show that the maximum interrupt closing time is 3.35 ms,which improves the system’s rapid response and processing of interrupt tasks,and ensures the real-time and stability of the protector.