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Design and Implementation of a n Embedded Home Surveillance System with Ultra-Low Alert Power

Platform : EMBEDDED

IEEE Projects Years : 2012 - 13

Design and Implementation of a n Embedded Home Surveillance System with Ultra-Low Alert Power

 

                                                          Lately embedded surveillance systems are frequently used in home, office, factory or highway vehicle monitoring and image detection, but this application requires a high performance core, which works against some advantages of embedded systems, such as low power consumption and low cost .Other researchers have constructed an external signal to trigger the embedded surveillance system by means of a PIR sensor, which is triggered when an intruder enters the monitoring area. During the long time when there is no intruder, the standby power consumption is very large.

 

                              

 

                                                          Shows the embedded surveillance system which has two groups of sensors, indoor and outdoor. The outdoor sensor group contains a number of PIR and IR  placed near windows and doors of a home. When the outdoor sensors sense an intruder, the MCU is woken up and turns on the power for the indoor PIR and ultrasonic sensors for the Majority Voting Mechanism. When this is completed, the decision signal passes to the embedded board GPIO (General purpose input and output). Low-power sensors are placed near home windows and doors where an intruder must pass through. When an intruder enters the sensing area, the sensors wake up the sleeping MCU (Micro Controller Unit) which starts the power supply for the indoor sensors and for the sensor signal transmission to the embedded system. The embedded surveillance system determines the sensor results and then decides whether to start the Web camera to see the video We use the MCU's sleep mode to reduce the alert power consumption for home security when there is no intruder, to improve the traditional surveillance system without wasting power.

 

 

 

 

 

 

 

 



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