Google leergang wiskunde onderwijs

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Praktijkverhalen ter inspiratie van het vernieuwen van het wiskunde onderwijs

Transcript of Google leergang wiskunde onderwijs

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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..niets te willen missen.

TSP China: 71,009 steden

Wiskunde verslaat de wet van Moore!

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ORTEC Company facts

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ORTEC Netherlands (1981)

ORTEC France (1993)

ORTEC Belgium (1997)

ORTEC Germany (1998)

ORTEC USA (2000)

Customers: 1550+ Countries: 40+ Turnover: €60M+ Years active: 30+

Transport Retail Professional services

Sports Health Oil, Gas and Chemicals

Manufacturing and Construction

ORTEC Switzerland (2007)

ORTEC Romania (2008)

ORTEC United Kingdom (2008)

ORTEC Singapore (2009)

ORTEC Australia (2010)

Industry focus

Solutions, facts, and results

Production

De perfecte schaatswereld een matrix?

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Vaststellen probleem Oplossen van het probleem Communicatie en

implementatie

Analytisch project = gestructureerde denkactiviteit

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Fra

min

g

Data

verz

am

ele

n

&

Data

analy

se

Modelb

ou

w

&

Model valid

atie

Scenario’s

&

Gevoelig

heid

sanaly

se

Com

munic

atie

&

Im

ple

menta

tie

Uit vele vaatjes tappen

Statistiek

Simuleren & Voorspellen

Heuristieken

Exacte Methoden

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Modelleren

Is

Een

Kunst

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De praktijk: Optimalisatie bij TNT Express

Express Complex

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Network

reconfigurations

Regulations

Highly volatile

demand

Tight service

requirements

TNT ambitie

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Betere

service

Unit cost

reduction Beter & sneller

op feiten gebaseerd

beslissen

What is the best network?

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Once a week:

Low cost, low service

Each day:

High cost, high service

= =

The hub and spoke alternative

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Each day: low cost, high service

Visualizing the network performance proved a goldmine of opportunities

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Volume information Italian network

MCL, savez-vous réellement ce que vous décidez?

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Jouer? http://tnt-ortec-game.nl

Hoge nood

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Stap voor stap

ROAD optimisation model (between all depots)

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AIR optimisation model (airports to hubs + hub to hub)

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PUD optimisation model (pickup and delivery)

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Warehouse calculation model 4

Infrastructure and service scenario 0

Optimalisatie in de boardroom

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Scenario examples

(on randomized data)

1. Low

Cost 95%

2. Medium

Cost 79%

3. High

Cost 72%

4. Extreme

Cost 62%

Service impact

Overleven

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TLL

TKU HEL

ARN ORB

VST

SVG

OSL

GOT

BLL

MMX

BFS

DUB

ORK

SNN

STN

CWL

EMA

MME

EDI

LPL

BCN

VIT

MAD

VGO

OPO

LIS

SVQ

VLC

ZAZ

LIN

CIA

BLQ

CTA

LYS

TLS

BSL

GVA

RNS

MRS

GDN

WAW

KTW NUE

MUC

ERF

TXL

PRG

BRQ

VIE

BUD

LJU

IST

ATH

OTP

SOF PSR

TSF

HAJ

BOD

CDG

X

X

X

X

X

X

X

X

X

X

X

X

Airport closure

New airport

Unchanged airport

X

GO-Program

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Cumulative

savings

from 2008-2011:

€ 207

mln

Communities

of Practice

GO-

Academy

Optimization

solutions

Edelman award 2012

Tom’s ladder…

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Shift from information to intelligence economy

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Reading material

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Specialization

Logistics

Supply Chain Optimisation

Risk Management

Years of Experience: 23

Education

Erasmus University (NL)

Econometrics (MSc)

Selected Experience Background

Curriculum Vitae John Poppelaars

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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.

John was part of the team of TNT Express, ORTEC and Tilburg

University that was elected winner of the INFORMS Franz

Edelman Award

John.poppelaars@ortec.com

@ORatWork

Functional Expertise

Supply Chain Design and Optimization

Transport and Distribution optimization

Workforce Planning & Scheduling

Industry Expertise

Postal & Express

Logistics

Oil & Gas

Healthcare

Expertise