788.11J Presentation“Intelligent Home Control Systemsbased on Active Sensor Networks”
Presented by :Ahmed Mahmoud Ahmed
The Main Idea
• Its idea is to control all home devices through
wireless sensor network(active sensor network)
using sensors can automatically gather physical
sensing information and efficiently control various
home devices using smart actuators such as relay
switches or Infra-Reds using new routing protocol
called Link Quality Indicator based Routing
Protocol (LQIR) to improve the performance of
system
The Main Achievements•The main achievement is to control the home devices
and take critical actions automatically
•This system used to accomplish some functions to
control and check home devices as:
1.Crime Detection through detect movement
2.Control complex consumer home devices. TV, DVD, air
conditioner and air cleaner
3.Control and check home devices through internet while
the owner is out
4.Locking gas valves
5.Control lamp brightness
The Challenges
•The system make his functions using:
1.Sensing Component: The component gathers sensing data and
special event information from the active home environments
and provide this information to the decision component
•Generic sensor typed nodes try either to detect the general
physical sensing measurements such as temperature ,humidity
and light or check for the special events such as gas leaks ,
human movement
•actuator typed nodes can directly control consumer home
devices , ability of actuator is limited to turn on/off actions,
utilizes IR (Infra-Red) communication also in order to instruct
consumer devices such as TV, Air Conditioners
• Sensors used as :
1. Light sensor
2. Motion detector
3. Gas detector
• Actuator used as :
1. Switch (ac-dc)
2. Infra red switch
2. Decision Component: The component
recognizes the current home environment
and enables the service components to select
the appropriate service.
3. Service Components: These components
represent some ubiquitous home services
provided by system
4. Control Component: The component
instructs special control commands to the
deployed actuators, such as relay switches or
Infra-Reds.
5. Interaction Component: The component
manages interaction between control system
and the active sensors.
6.Additional Communication Components:
These components manage some other
networking technologies such as
WLAN ,Ethernet
• System supported by new protocol (LQIR) because
Conventional routing protocols are difficult to accommodate
to dynamic topology variations and to interact with our home
control system by establishes the wireless network, based on
the LQI value measured from the RF radio ,When forwarding
the data packet to the sink, the node selects the special
node having the best LQI value among neighbors
dynamically , it utilize the B-MAC protocol for shared media
access, and a special narrow-band RF device that supports
the LQI value, based on the IEEE 802.15.4 standard
types of packets :
1. Sensing packets ( set-command ,data command, event
comment )
2. Control-Command packet
Some smart sensors
Innovation
• It have a very great idea to control devices when being
outside ,.. It use Ethernet as bridge between system
and internet ,.. so users can access with the home
HTTP server through a laptop and PDA in the house
• Reference :
http://uns.ajou.ac.kr/publications/paper/J2008/SCS
_TCE.pdf
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