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..
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..naar de kortste weg willen vinden om…
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..niets te willen missen.
TSP China: 71,009 steden
Miljoenenjacht
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Wiskunde verslaat de wet van Moore!
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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
(2010)
Customers: 1550+
Countries: 40+
Turnover: €60M+
Years active: 30+
Industry focus
Production
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Transport
Retail
Oil, Gas and
Chemicals
Professional
services
Health
Manufacturing
and Construction
Sports
De perfecte schaatswereld een matrix?
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Analytisch project = gestructureerde denkactiviteit
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Communicatie
&
Implementatie
Communicatie en
implementatie
Scenario’s
&
Gevoeligheidsanalyse
Modelbouw
&
Model validatie
Oplossen van het probleem
Data verzamelen
&
Data analyse
Framing
Vaststellen probleem
Uit vele vaatjes tappen
Statistiek
Exacte
Methoden
Simuleren &
Voorspellen
Heuristieken
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Modelleren
Is
Een
Kunst
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De praktijk: Optimalisatie bij TNT Express
Express Complex
Network
reconfigurations
Regulations
Highly volatile
demand
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Tight service
requirements
TNT ambitie
Betere
service
Unit cost
reduction
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Beter & sneller
op feiten gebaseerd
beslissen
What is the best network?
Once a week:
=
Low cost, low service
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Each day:
=
High cost, high service
The hub and spoke alternative
Each day: low cost, high service
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Visualizing the network performance proved a
goldmine of opportunities
Volume information
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Italian network
MCL, savez-vous réellement ce que vous décidez?
Jouer? http://tnt-ortec-game.nl
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Hoge nood
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Stap voor stap
0 Infrastructure and service scenario
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ROAD optimisation model
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AIR optimisation model
(between all depots)
(airports to hubs + hub to hub)
3
PUD optimisation model
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Warehouse calculation model
(pickup and delivery)
Optimalisatie in de boardroom
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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%
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
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ATH
GO-Program
Optimization
solutions
Communities
of Practice
GOAcademy
Cumulative
savings
from 2008-2011:
€ 207
mln
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Edelman award 2012
Tom’s ladder…
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Shift from information to intelligence economy
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John.poppelaars@ortec.com
@ORatWork
www.john-poppelaars.blogspot.nl
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Reading material
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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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

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Postal & Express
Logistics
Oil & Gas
John.poppelaars@ortec.com
Healthcare
@ORatWork