we had a limited number of permanent noise observation stations source: 2009

Wehad

A limited number of permanent noise observation stations

Source: www.lne.be 2009

Source: www.vmm.be 2009

Wehad

A limited number of air quality measurement sites with instantaneous (non-validated) interpolation

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)

urban traffic (access road)

urban background

sunday

sunday

0

20

40

60

80

100

120

140

24-06-08 01-07-08

day

PM

10 (

ug

m-3

)

0

30

60

90

120

150

180

210

NO

(u

g m

-3)

PM10 (ug m-3)

NO (ug m-3)

sunday

Wehad

Typical patterns but limited source identification, limited alerting

IDEA brings

More information at a cheaper price.

air (UFP)

tiny noise

reference noise

total cost:25 000 €total cost:25 000 €

0

20

40

60

80

100

120

140

24-06-08 01-07-08

day

PM

10 (

ug

m-3

)

0

30

60

90

120

150

180

210

NO

(u

g m

-3)

PM10 (ug m-3)

NO (ug m-3)

sunday

0

20

40

60

80

100

120

140

24-06-08 01-07-08

day

PM

10 (

ug

m-3

)

0

30

60

90

120

150

180

210

NO

(u

g m

-3)

PM10 (ug m-3)

NO (ug m-3)

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

0

20

40

60

80

100

120

140

11-07-08 13-07-08 15-07-08 17-07-08 19-07-08 21-07-08 23-07-08 25-07-08

NO

(u

g m

-3)


urban background

sunday

sunday

IDEA brings

Bottom up: alerting functionality and instant validation

sensor error

car

truck

train

nature

talking

industry

IDEA brings

Top down: interpolation and detailed querying

iLAden = 64 dBA

PM10 = 34 g/m3

UFP = ...

LAden = 64 dBA

PM10 = 34 g/m3

UFP = ...

detailsdetails originorigin



Origin:Quality : mediumInterpolation based on trafic dataClosest measurement : 120 mClosest high-end : 890 mTime stamp : 1-2-2009 to 1-3-2009...

Origin:Quality : mediumInterpolation based on trafic dataClosest measurement : 120 mClosest high-end : 890 mTime stamp : 1-2-2009 to 1-3-2009...

originorigin

IDEA brings

Top down: interpolation and detailed querying

Tracing sensor detailsStart: 6/3/2009 11:22Location: //serv1.gent.be/tr23.xml

Tracing sensor detailsStart: 6/3/2009 11:23Location: //serv1.gent.be/tr24.xml

Just-accurate-enough sensorsHow?

20 – 20000 HzNoise floor: 22 dBALong term weather proof

-10dB€80 – 10000 HzNoise floor: 30 dBAWind protection

-10dB€

Specific design80 – 10000 Hz ?Noise floor: about 36 dBA ?Weather protection ?

Moving sensorsHow?

Vehicle equipped with (air pollution) sensors moves along the traffic stream and periodically forwards data via wireless link.

How? Just-enough processing powerOptimal use of distributed computing

tiny

Tiny CPU- Preprocess sensordata (average, filter)- Detect saliency in time- Make data available on the internet


tiny

desktop

desktop CPU- Manage attention focussing and further analyses requests- Detect spatial saliency- Manage context- Manage decisions


tiny

desktop

grid

Grid computingis used for compute-intensive tasks


Connected via internetWired or wireless

How? Adding background informationIntelligent extraction of knowledge

Combining Combining sensor sensor informationinformation



Adding Adding source source informationinformation




PhysicalPhysicaltransfertransfermechanismmechanism





Calculated Calculated maps: noise maps: noise & air quality& air quality





Calculated Calculated maps: noise maps: noise & air quality& air quality

Moving Moving sensor sensor informationinformation

we had a limited number of permanent noise observation stations source: 2009

Documents

sensor information slide

source information slide

origin slide

internet slide

wireless slide

industry slide

decisions slide

noise air quality slide