introduction – pieter-jan huyghe vincent haerinck, henry houdmont, pieter-jan huyghe- service...
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Introduction – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 1
The aging population is a 21st century problem
- The percentage of people over 65 rises yearly- Costs continue to rise
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 2
The aging population is a 21st century problem Example: Warmhof
Maldegem
- 124 rooms- 200 inhabitants- Built in 2007- Cost: 20 mio
Not all inhabitants need constant monitoring and care…
Introduction – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 3
Introducing the smart home
Objective:- Cut costs- Create space
Solution:- Provide a safe environment- Keep people at home- Patient/worker ratio
Introduction – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 4
Introducing the smart home
Basic smart home components:- Sensors- Communication system- Data processing unit
Introduction – Pieter-Jan Huyghe
Introduction
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 5
Hier komt vincent
Rules
Overview – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 6
SensorsData
acquisitionReasoner Output
Data acquisition – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 7
Data acquisition:- Multiple sensors: polling based- Single sensor queries are supported- N3 format
Example:
Rules
SensorsData
acquisitionReasoner Output
Reasoner – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 8
Reasoning module:- Gathers all the data- Combines data with rules- Deduces new facts
Rules
SensorsData
acquisitionReasoner Output
Reasoner – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 9
Reasoning module is very important- Has to be fast- Has to be reliable- Low resource consumption is a plus
Choosing the right reasoner is key
Rules
SensorsData
acquisitionReasoner Output
Reasoner – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 10
Choosing the right reasoner:Jena EYE
User License Open source Open source
Last updated 2010-12 2012-5
Install Size 23.3 Mb 13.9 Mb
Type of reasoning
Forward, backward or hybrid
Backward-forward-backward
Ease of use Complex Easy
Execution speed
Moderate Fast
Accuracy High HighRules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 11
Rules:- Determine how well the reasoner works- Bind values to a fact or action- Combine facts logically- Have to be easy to maintain and read
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 12
Basic rule example:
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 13
Multi-sensor:
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 14
Combine facts:
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 15
Combine facts to detect unusual patient behavior:
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 16
Combine facts to detect unusual patient behavior:
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 17
Influence sensor behavior:
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 18
Sensor malfunction reporting:- Value collections
Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 19
Sensor malfunction reporting:- Value collections- Value pairs
Ambient Light: 11%
Bed Pressure: 85%
Location: bed
Camera Light: 89% Rules
SensorsData
acquisitionReasoner Output
Rules – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 20
Sensor malfunction reporting:- Value collections- Value pairs
Ambient Light: 11%
Bed Pressure: 85%
Location: bed
Camera Light: 89%
Person is sleeping
Rules
SensorsData
acquisitionReasoner Output
Output – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 21
Key functions:-Report, detect and alert
This data can be passed on in many different ways.
Rules
SensorsData
acquisitionReasoner Output
Future work – Pieter-Jan Huyghe
Vincent Haerinck, Henry Houdmont, Pieter-Jan Huyghe- Service oriented architecture for multi-sensor surveillance in smart homes - 2011-2012 - 22
Future work:- Implement machine learning