Based on the analysis of the hardware structure and application functions, a VOS in embedded electric-power RTU is designed by encapsulating layer of RTOS and drivers.

• 从硬件结构分析及应用层功能分析这两方面入手，通过时RTOS、驱动程序等的封装，实现了嵌入式用电监控终端的VOS设计。