摘要
分析了单片机控制的氙灯系统中干扰的来源、控制回路中的干扰类型,介绍了此系统在电源、接地、I/O接口等环节上所采取的硬件措施,同时也给出了在软件抗干扰所采用的软件冗余、软件陷阱、软件看门狗等软件抗干扰技术。给出将多种软硬件抗干扰方法综合应用的具体方法。实践证明这些方法是有效的。.
This paper illustrates the disturbance sources and types of the xenon lamp system which is controlled by a single chip microcomputer. Several disturbance attenuation approaches in hardware, such as grounding and shield of power supply and I/O port are proposed. Soft redundancy and trap, watchdog techniques of software are also given. Several software are also given and hardware methods are employed to attenuate the disturbance in this system. Experiment results demonstrate the efficiency of these methods. These methods are also suitable for other similar digital control systems that work in serious electromagnetic conditions.
出处
《应用科技》
CAS
2006年第8期25-27,共3页
Applied Science and Technology
关键词
抗干扰
单片机
氙灯
电磁干扰
disturbance attenuation
single chip microcomputer
xenon lamp
electromagnetic disturbance
