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Use of a multi-frequency relay of ultrasonic sensors with PIR sensors to extend the sensing range of an embedded surveillance system

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3 Author(s)
Ying-Wen Bai ; Dept. of Electr. Eng., Fu Jen Catholic Univ., Taipei, Taiwan ; Zi-Li Xie ; Chen-Chien Cheng

In this paper we design and implement an embedded surveillance system by use of a multi-frequency relay of ultrasonic sensors with multiple pyroelectric infrared sensors (PIR) to extend the sensing range in a home or a storehouse. The ultrasonic sensor module consists of a transmitter and a receiver which are placed in a line direction; however, ultrasonic sensors with the same frequency are disturbed by crosstalk with each other and have a high miss rate. To overcome these disadvantages of the ultrasonic sensor, both ultrasonic sensors and PIR sensors are managed by the majority voting mechanism (MVM).

Published in:

Instrumentation and Measurement Technology Conference (I2MTC), 2012 IEEE International

Date of Conference:

13-16 May 2012