基于ATMEGA162单片机的温湿度测量报警电路仿真

Simulation of Temperature and Humidity Measurement and Alarm Circuit Based on ATMEGA162 Microcontroller

采用传统方法对温湿度测量报警电路进行设计时,存在响应时间长、误报警率高等问题。提出基于ATMEGA162单片机的温湿度测量报警电路设计方法。对温湿度检测电路、控制电路、报警电路和显示电路等进行设计,实现了温湿度测量报警功能。在原始温湿度数据的基础上对当前传感器节点的信任度进行分析,修正传感器证据,将支持度修正证据迭代融合思想引入证据融合中,分析原证据与融合证据之间存在的差异冲突,对原证据进行修正,获取融合修正后数据,最终获得温湿度测量数据。实验结果表明,将ATMEGA162单片机应用在温湿度测量报警电路的设计中,有效改善了温湿度测量报警电路的响应时间,误报警率低的问题。

Due to long response time and high false alarm rate in traditional methods,this article focused on a method of designing the circuit of temperature and humidity measurement and alarm based on ATMEGA162 single-chip microcomputer.Firstly,the detection circuit,control circuit,alarm circuit and display circuit of temperature and humidity was designed,and then the function of temperature and humidity measurement and alarm was realized.On the basis of the original data,the credibility of current sensor nodes was analyzed,and the sensor evidence was modified.In addition,the iterative fusion idea of correction evidence of support degree was introduced into the evidence fusion.Moreover,the difference and conflict between original evidence and fusion evidence was analyzed.After that,the original evidence was modified.Then,the data after fusion and correction was obtained.Finally,the temperature and humidity measurement data were obtained.Simulation results prove that the application of ATMEGA162 one-chip computer in the design of temperature and humidity measurement alarm circuit effectively reduces the response time of temperature and humidity measurement alarm circuit and improves the false alarm rate.