De praktijk van de wiskundige optimalisatie
Google leergang vernieuwing wiskundeonderwijs
John Poppelaars
januari 2014
Weer een millennium probleem opgelost!
Wiskunde is super actueel!
Van wandelingen door de stad..

3
..naar de kortste weg willen vinden om…

4
..niets te willen missen.

TSP China: 71,009 steden
Miljoenenjacht

6
Wiskunde verslaat de wet van Moore!

7
9
ORTEC Company facts
Solutions, facts, and results

ORTEC Netherlands
ORTEC France
ORTEC Belgium
ORTEC Germany
ORTEC USA

(...
De perfecte schaatswereld een matrix?

11
Analytisch project = gestructureerde denkactiviteit

12

Communicatie
&
Implementatie

Communicatie en
implementatie

Scen...
Uit vele vaatjes tappen

Statistiek
Exacte
Methoden

Simuleren &
Voorspellen

Heuristieken
13
Modelleren

Is
Een

Kunst

14
De praktijk: Optimalisatie bij TNT Express
Express Complex

Network
reconfigurations
Regulations

Highly volatile
demand

16

Tight service
requirements
TNT ambitie
Betere
service

Unit cost
reduction

17

Beter & sneller
op feiten gebaseerd
beslissen
What is the best network?

Once a week:

=
Low cost, low service
18

Each day:

=
High cost, high service
The hub and spoke alternative

Each day: low cost, high service
19
Visualizing the network performance proved a
goldmine of opportunities

Volume information

20

Italian network
MCL, savez-vous réellement ce que vous décidez?

Jouer? http://tnt-ortec-game.nl
21
Hoge nood

22
Stap voor stap

0 Infrastructure and service scenario
1

ROAD optimisation model

2

AIR optimisation model

(between all ...
Optimalisatie in de boardroom

24
Scenario examples
(on randomized data)
Service impact

1. Low
Cost 95%

25

2. Medium
Cost 79%

3. High
Cost 72%

4. Extre...
Overleven
OSL

X

TKU

HEL

X
SVG

X

ORB

TLL

VST ARN

EDI
BFS

X

GOT

X

SNN

X

DUB

MME

BLL

LPL

X

MMX

ORK

X

E...
GO-Program

Optimization
solutions

Communities
of Practice

GOAcademy

Cumulative
savings
from 2008-2011:

€ 207
mln

27
Edelman award 2012
Tom’s ladder…

29
Shift from information to intelligence economy

30
John.poppelaars@ortec.com

@ORatWork
www.john-poppelaars.blogspot.nl

31
Reading material

32
Curriculum Vitae John Poppelaars
Background

Selected Experience

Specialization

John Poppelaars is Director of Consultin...
Google leergang wiskunde onderwijs
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Google leergang wiskunde onderwijs

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Praktijkverhalen ter inspiratie van het vernieuwen van het wiskunde onderwijs

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Google leergang wiskunde onderwijs

  1. 1. De praktijk van de wiskundige optimalisatie Google leergang vernieuwing wiskundeonderwijs John Poppelaars januari 2014
  2. 2. Weer een millennium probleem opgelost!
  3. 3. Wiskunde is super actueel!
  4. 4. Van wandelingen door de stad.. 3
  5. 5. ..naar de kortste weg willen vinden om… 4
  6. 6. ..niets te willen missen. TSP China: 71,009 steden
  7. 7. Miljoenenjacht 6
  8. 8. Wiskunde verslaat de wet van Moore! 7
  9. 9. 9
  10. 10. ORTEC Company facts Solutions, facts, and results ORTEC Netherlands ORTEC France ORTEC Belgium ORTEC Germany ORTEC USA (1981) (1993) (1997) (1998) (2000) ORTEC Switzerland (2007) ORTEC Romania (2008) ORTEC United Kingdom (2008) ORTEC Singapore (2009) ORTEC Australia Customers: 1550+ Countries: 40+ Turnover: €60M+ Years active: 30+ (2010) Industry focus Production 10 Transport Retail Oil, Gas and Chemicals Professional services Health Manufacturing and Construction Sports
  11. 11. De perfecte schaatswereld een matrix? 11
  12. 12. Analytisch project = gestructureerde denkactiviteit 12 Communicatie & Implementatie Communicatie en implementatie Scenario’s & Gevoeligheidsanalyse Modelbouw & Model validatie Oplossen van het probleem Data verzamelen & Data analyse Framing Vaststellen probleem
  13. 13. Uit vele vaatjes tappen Statistiek Exacte Methoden Simuleren & Voorspellen Heuristieken 13
  14. 14. Modelleren Is Een Kunst 14
  15. 15. De praktijk: Optimalisatie bij TNT Express
  16. 16. Express Complex Network reconfigurations Regulations Highly volatile demand 16 Tight service requirements
  17. 17. TNT ambitie Betere service Unit cost reduction 17 Beter & sneller op feiten gebaseerd beslissen
  18. 18. What is the best network? Once a week: = Low cost, low service 18 Each day: = High cost, high service
  19. 19. The hub and spoke alternative Each day: low cost, high service 19
  20. 20. Visualizing the network performance proved a goldmine of opportunities Volume information 20 Italian network
  21. 21. MCL, savez-vous réellement ce que vous décidez? Jouer? http://tnt-ortec-game.nl 21
  22. 22. Hoge nood 22
  23. 23. Stap voor stap 0 Infrastructure and service scenario 1 ROAD optimisation model 2 AIR optimisation model (between all depots) (airports to hubs + hub to hub) 3 PUD optimisation model 4 Warehouse calculation model (pickup and delivery)
  24. 24. Optimalisatie in de boardroom 24
  25. 25. Scenario examples (on randomized data) Service impact 1. Low Cost 95% 25 2. Medium Cost 79% 3. High Cost 72% 4. Extreme Cost 62%
  26. 26. Overleven OSL X TKU HEL X SVG X ORB TLL VST ARN EDI BFS X GOT X SNN X DUB MME BLL LPL X MMX ORK X EMA GDN X CWL STN TXL HAJ WAW ERF RNS NUE CDG KTW PRG BRQ BSL MUC X VGO BOD OPO LYS VIE BUD X GVA LIN TSF LJU VIT TLS OTP BLQ MAD LIS MRS ZAZ X BCN PSR VLC SOF CIA IST SVQ X Airport closure CTA New airport Unchanged airport 26 ATH
  27. 27. GO-Program Optimization solutions Communities of Practice GOAcademy Cumulative savings from 2008-2011: € 207 mln 27
  28. 28. Edelman award 2012
  29. 29. Tom’s ladder… 29
  30. 30. Shift from information to intelligence economy 30
  31. 31. John.poppelaars@ortec.com @ORatWork www.john-poppelaars.blogspot.nl 31
  32. 32. Reading material 32
  33. 33. Curriculum Vitae John Poppelaars Background Selected Experience Specialization John Poppelaars is Director of Consulting for the ORTEC Consulting Group, a business division of ORTEC. John is a specialist in the field of logistics, supply chain optimization, and workforce planning and scheduling, and a passionate proponent of Operations Research as a key business enabler. Throughout his 23 year career, he has applied the business maxim of 'improving decision-making quality' to numerous projects across a myriad of industries in order to support clients to optimize their businesses with the very latest optimization techniques.  Logistics  Supply Chain Optimisation  Risk Management Years of Experience: 23 Education  Erasmus University (NL) Econometrics (MSc) Expertise Functional Expertise John was part of the team of TNT Express, ORTEC and Tilburg University that was elected winner of the INFORMS Franz Edelman Award  Supply Chain Design and Optimization  Transport and Distribution optimization  Workforce Planning & Scheduling Industry Expertise     33 Postal & Express Logistics Oil & Gas John.poppelaars@ortec.com Healthcare @ORatWork

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