机载计算机控制系统硬件电路的抗干扰措施

Anti-interferance Measures of the Hardware Circuit of Computer Controlling System on Airplane

计算机控制系统是综合航电系统的核心,它的稳定性和可靠性是至关重要的,而系统的抗干扰性能是系统可靠性的一个重要指标,随着计算机控制系统在机载电子装备中应用更加广泛,抗干扰措施研究是计算机控制系统应用中一个不可忽视的重要内容。干扰信号影响计算机控制系统正常工作的方式主要是通过硬件电路和软件电路对系统进行干扰。文章分析了干扰信号窜入计算机控制系统硬件电路的通道,并提出了抗干扰的措施。

Computer controlling system is the core of integrated Avionics system.Its stability and reliability are very important.Its anti-interference ability is one of the important parameters.The study of anti-interference is an important content which can not be neglected in the application of computer controlling system.The interference can influence the working state of computer system through the hardware circuit and software circuit.In this paper,the passages by which interference signals entry the hardware circuit of computer controlling system are analyzed.Anti-interference measures are introduced.