Praktijkverhalen ter inspiratie van het vernieuwen van het wiskunde onderwijs

1. De praktijk van de wiskundige optimalisatie
Google leergang vernieuwing wiskundeonderwijs
John Poppelaars
januari 2014

2. Weer een millennium probleem opgelost!

3. Wiskunde is super actueel!

4. Van wandelingen door de stad..
3

5. ..naar de kortste weg willen vinden om…
4

6. ..niets te willen missen.
TSP China: 71,009 steden

7. Miljoenenjacht
6

8. Wiskunde verslaat de wet van Moore!
7

10. 9

11. 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

12. De perfecte schaatswereld een matrix?
11

13. 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

14. Uit vele vaatjes tappen
Statistiek
Exacte
Methoden
Simuleren &
Voorspellen
Heuristieken
13

15. Modelleren
Is
Een
Kunst
14

16. De praktijk: Optimalisatie bij TNT Express

17. Express Complex
Network
reconfigurations
Regulations
Highly volatile
demand
16
Tight service
requirements

18. TNT ambitie
Betere
service
Unit cost
reduction
17
Beter & sneller
op feiten gebaseerd
beslissen

19. What is the best network?
Once a week:
=
Low cost, low service
18
Each day:
=
High cost, high service

20. The hub and spoke alternative
Each day: low cost, high service
19

21. Visualizing the network performance proved a
goldmine of opportunities
Volume information
20
Italian network

22. MCL, savez-vous réellement ce que vous décidez?
Jouer? http://tnt-ortec-game.nl
21

23. Hoge nood
22

24. 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)

25. Optimalisatie in de boardroom
24

26. Scenario examples
(on randomized data)
Service impact
1. Low
Cost 95%
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2. Medium
Cost 79%
3. High
Cost 72%
4. Extreme
Cost 62%

27. 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

28. GO-Program
Optimization
solutions
Communities
of Practice
GOAcademy
Cumulative
savings
from 2008-2011:
€ 207
mln
27

29. Edelman award 2012

30. Tom’s ladder…
29

31. Shift from information to intelligence economy
30

32. John.poppelaars@ortec.com
@ORatWork
www.john-poppelaars.blogspot.nl
31

33. Reading material
32

34. 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




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Postal & Express
Logistics
Oil & Gas
John.poppelaars@ortec.com
Healthcare
@ORatWork