一种变电站测控装置CPU使用率精确计算方法研究与实现

Research and implementation of an accurate CPU utilization calculation method of measurement and control device in substation

为实现对变电站自动化系统中的测控装置运行状态监视,装置CPU使用率作为装置运行状态的一个重要参数需要对其精确计算。本文提出了一种对建立在Vx Works操作系统上测控装置CPU使用率进行精确计算的实现:硬件结构上通过在测控装置CPU功能板卡中增加了可编程计算器,软件实现上提出一种对测控装置CPU使用率进行精确计算的流程和方法。

In order to realize the state monitoring of measurement and control device in substation, it is important to calculate the CPU utilization of measurement and control device accurately. This paper introduces an accurate CPU utilization calculation method of measurement and control device base on VxWorks operation system, and describes the implementation method： In hardware, adding a programmable calculator in CPU integrated circuit board of measurement and control device, and in software, providing an accurate CPU utilization calculation method and procedure of measurement and control device.