05 - Innovation Lab - Multisource Traffic Density v1.0
1. Multisource measurement of traffic density - Trademex Guillaume Levasseur, R&D Team 01/02/2019
9. Traffic metrics
14. Future work Theory Consolidation of heterogeneous data with traffic metrics Spatial aggregation of metrics Traffic jam detection through flow - density diagram Practice Validate theory with real world data Check scalability for big datasets Levels of service Motivation Get traffic indicators from real - time measurements
12. Data pipeline overview 12
13. Data pipeline overview 13
7. Traffic: a compressible fluid Naive flow conservation flow A = flow C + flow E 7
2. What tools for traffic analysis? 2 Navigation solutions Model - based solutions Source: Google Source: PTV Group
5. Striving for real - time traffic analytics 5 Dynamic traffic indicators - Levels of service - O/D matrix ?
8. Naive flow conservation 8 Source: report.az flow A = flow C + flow E Traffic: a compressible fluid
6. Traffic: a 4 - dimensional space X Y 6 Source: Google
3. Per vehicle data 3 Averaged data Source: Google Source: Satellic Source: Google Source: Wikimedia x70 x 600 000 x?? x700 What tools for traffic analysis in Trademex ?
11. Spatial aggregation 11 ∆t = 1 min x 1 x 2 x 1 →x 2 Operator N [veh] q [veh/h] v [km/h] k [veh/km] 9 540 12.4 43.5 19 1140 45.1 25.3 9 540 24.4 28.8 = minimum = minimum = harmonic mean = arithmetic mean
10. Traffic theory 10 Source: Wikimedia (adapted) Fundamental equation: 푙푙푙푙푙푙 ∆ 푥푥 → 0 , ∆ 푡푡 → 0 푘푘 = 푞푞 푣푣 ⇒ 푞푞 = 푘푘 푣푣 flow = density x speed
4. What tools for traffic analysis? 4 Levels of service ( left ) O/D matrices Counts Percentages Trip time estimation ( below )
- 23 Total Views
- 12 Website Views
- 11 Embedded Views
- Social Shares
- 0 Likes
- 0 Dislikes
- 0 Comments
- 0 Facebook
- 0 Twitter
- 0 Google+
- 7 www.macq.eu
- 2 odoo.macq.eu
iCAR-G3-EN3301 Views .
iCAR-G3_FR3293 Views .
Macq Corporate Video1858 Views .
LEZ brochure_Why_Macq1816 Views .
iCAR Range1792 Views .
Macq_2018_Final1590 Views .
01 - Innovation Lab - Introduction v1.089 Views .
2.06 - Innovation Lab - Don't block the box47 Views .
06 - Innovation Lab - STI Namur v3.033 Views .
04 - Innovation Lab - Carpooling v2.129 Views .
11 - Innovation Lab - Wrap-up v1.028 Views .
2.08 - Innovation Lab - Nvidia - Metropolis27 Views .
2.01 - Innovation Lab - Introduction27 Views .
08 - Innovation Lab - C-Mobile v2.027 Views .