Title :
Use of multi-frequency ultrasonic sensors with PIR sensors to enhance the sensing probability of an embedded surveillance system
Author :
Bai, Ying-Wen ; Li, Zong-Han ; Xie, Zi-Li
Author_Institution :
Dept. of Electron. Eng., Fu Jen Catholic Univ., Taipei, Taiwan
Abstract :
In this paper we design and implement an embedded surveillance system by use of multi-frequency ultrasonic sensors with multiple Pyroelectric Infrared sensors (PIR). The ultrasonic sensor module consists of a transmitter and a receiver which are placed in a line; 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, we propose the use of improved multi-frequency ultrasonic sensors. In order to reduce the miss rate, both ultrasonic sensors and PIR sensors are managed by the majority voting mechanism (MVM).
Keywords :
acoustic receivers; crosstalk; infrared detectors; intelligent sensors; surveillance; transmitters; ultrasonic devices; PIR sensors; crosstalk; embedded surveillance system; majority voting mechanism; miss rate; multifrequency ultrasonic sensor module; multiple pyroelectric infrared sensors; receiver; sensing probability; transmitter; Acoustics; Receivers; Sensor systems; Surveillance; Temperature sensors; Voltage measurement; Embedded Surveillance System; Majority Voting Mechanism; PIR Sensor; Ultrasonic Sensor;
Conference_Titel :
Communications and Information Technologies (ISCIT), 2010 International Symposium on
Conference_Location :
Tokyo
Print_ISBN :
978-1-4244-7007-5
Electronic_ISBN :
978-1-4244-7009-9
DOI :
10.1109/ISCIT.2010.5664892
