To reasearch on the infrared target perception by pyroelectric infrared (PIR) sensor in network domain measurement,a closed sensing network domain composed of eight-PIR-sensor array is proposed for the minimum sensing...To reasearch on the infrared target perception by pyroelectric infrared (PIR) sensor in network domain measurement,a closed sensing network domain composed of eight-PIR-sensor array is proposed for the minimum sensing cell measurement in network domain and to realize the moving target perception and trajectory prediction. Moreover,the feasibility and accuracy of the proposed method are verified through experiments. The experimental results demonstrate that the maximum error between the real trajectory and the predicted trajectory of the minimum sensing cell measurement method is 0.64 m,which can achieve infrared target perception and moving trajectory prediction.展开更多
In order to improve the security of home residence, this paper studiesand designs an intelligent home security alarm system, using STC89C51single chip microcomputer as the main controller of the security system,and re...In order to improve the security of home residence, this paper studiesand designs an intelligent home security alarm system, using STC89C51single chip microcomputer as the main controller of the security system,and real-time monitoring by controlling the human pyroelectric infraredsensor and smoke sensor in the case of strangers invading the securityrange and showing signs of fire. Once the abnormal situation is found, theintelligent home security alarm system will start the acousto-optic alarmprompted by the LED lamp and pass through the information processingsystem of the GSM module. Send an abnormal text message to the user ofthe security system at the first time face, and finally realize the purpose ofmodern intelligent home security alarm.展开更多
文摘To reasearch on the infrared target perception by pyroelectric infrared (PIR) sensor in network domain measurement,a closed sensing network domain composed of eight-PIR-sensor array is proposed for the minimum sensing cell measurement in network domain and to realize the moving target perception and trajectory prediction. Moreover,the feasibility and accuracy of the proposed method are verified through experiments. The experimental results demonstrate that the maximum error between the real trajectory and the predicted trajectory of the minimum sensing cell measurement method is 0.64 m,which can achieve infrared target perception and moving trajectory prediction.
文摘In order to improve the security of home residence, this paper studiesand designs an intelligent home security alarm system, using STC89C51single chip microcomputer as the main controller of the security system,and real-time monitoring by controlling the human pyroelectric infraredsensor and smoke sensor in the case of strangers invading the securityrange and showing signs of fire. Once the abnormal situation is found, theintelligent home security alarm system will start the acousto-optic alarmprompted by the LED lamp and pass through the information processingsystem of the GSM module. Send an abnormal text message to the user ofthe security system at the first time face, and finally realize the purpose ofmodern intelligent home security alarm.
