零点采样技术在微机控制系统抗干扰中的应用  

Application of zero-point sampling technique in the anti-interference of microcomputer control system

作　　者：涂一新[1] 郭峰林[1] 余新春[1] 

机构地区：[1]湖北黄冈师范学院计算机系,湖北黄冈438000

出　　处：《传感器技术》2001年第7期56-57,共2页Journal of Transducer Technology

摘　　要：讨论了工控系统中的干扰问题 ,建立了抗工频及倍频干扰的数学模型 ,提出了零点采样技术 ,并利用零点采样技术从硬件和软件两方面对一温度采集系统进行了抗干扰设计。The problem of interference in industrial control system is discussed,a mathematical model to resist the interference of work voltage-frequency is set up and its double frequency is set up, and a zero-point sampling proposal is put forward. At the same time, using the zero-point sampling technique,it conducts anti-interference design for the temperature-gathering system from two aspects-hardware design and software design.

关 键 词：抗干扰 零点采样技术 计算机控制系统 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]