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Social Issues of Power Harvesting as Key Enables of WSN in Pervasive Computing
1. J. Berzosa, J. Mabe,
N.J. Grabham, M.J. tudor
This study is partially funded by European Union
Seventh Framework Programme (FP7/2007-2013)
2. WSNs are easily integrated into
different environments. Low
New
Route
Power Harvesting.
Energy
Very Low
Energy
◦ Avoid the use of physical
maintenance.
New
New
Route
Route
◦ Increase the life cycle virtually
New
Route
Concentrator
forever.
Power Harvesting techniques
build potentially self-sufficient
devices/systems.
3. Pervasive systems relay in a determined QoS.
Not reliable energy source.
PH Implications
◦ Can affect the quality of the Pervasive Services.
Non deterministic energy source.
◦ Not easily predictable and can not be foreseen.
Uncertain quality of services.
◦ Difficult management of the energy resources can lead to
service lost or unnecessary quality degradation.
4. Adaptation of No professional
the Inhabitants Administrator
Change of social
behaviours Disruption of the As opposed to
home environment Workplaces or Lab
routine environments
Integration of
the System Trust and
Fulfilment of user
expectations Reliability
5. Natural Integration into the environment
MUST effectively
Pervasive
deliver Services to the
Systems
everyday routines
Power MUST effectively integrate the
Harvesting Services AND the maintenance
Pervasive of the Services into everyday
Systems routines
Users must be aware of:
• The Services are not infallible if no further care is taken.
OR
• The Services are optional or auxiliary.
6. … is a solution for real time monitoring of
building thermal conditions based on Self
Powered Multi Magnitude WSNs.
7. Federated Network over an Unfederated space.
Zero Power Area /
Every single room is Non accesible flat
“owned” by a different
Zero Power Area /
Non accesible flat
person
Zero Power Area /
Non accesible flat Zero Power
Area
Each person must be (staircase) Zero Power Area /
Non accesible flat
convinced about: Zero Power Area /
Non accesible flat
Zero Power Area /
Non accesible flat
• the technical solution
Zero Power Area /
Non accesible flat
• the maintenance routines Zero Power Area /
Non accesible flat
Zero Power Area /
Non accesible flat
• the necessity of a certain
conditions
8. Test Deployment
• 22 apartments • Assumption of proper
• No specific instructions User function
• No immediate feedback Answer • Partial trust in the
solution
Future Deployment
• Awareness of device’s
• 70-80 apartments Expected dependability on energy
• Maintenance instructions User source
• Immediate feedback Answer • Care for the device
• Trust in the solution
9. What do current Power Harvesting techniques lack in
order to be effectively applied to Pervasive Systems?
Will “user dependable” technologies get acceptance
into homes?