Big Data Small Sensor

Heba Bevan

UtterBerry Limited

5 Chancery Lane

London

WC2A 1LG

heba@utterberry.com

+44 (0) 208 123 5272

VICTORIA

LINE

3.81m

TYPICAL TUBE

TUNNEL

c3.6m

JUBILEE LINE

EXTENSION

4.35m

CROSSRAIL PLATFORM TUNNEL

9.6m

VICTORIA

LINE

3.81m

TYPICAL TUBE

TUNNEL

c3.6m C&SLR

3.2m

CROSSRAIL

6.2m

CHANNEL TUNNEL RAIL LINK

7.15m

TOWER

SUBWAY

2.1m

JUBILEE LINE

EXTENSION

4.35m

Civil Engineering

Electronics Engineering

Moore’s Law

What are wireless sensor networks?

• Networks of typically small, battery-powered, wireless devices.– On-board processing?

– Communication, and

– Sensing capabilities.

Sensors

Processor

Radio

Storage

P

O

W

E

R

WSN device schematics

Sensors

Processor

Radio

P

O

W

E

R

Storage

WSN node components

Limited Data Processing

Limited

Memory

Low Power

Sensor

1. Sensing

2. Processing

3. Transmission

Processing type

Activation rate

Duty cycle design

Abstraction level

Synchronisation

Performance

Lifetime

Bit rate delay

System parameters Power

Low Power.

Low data rate.

Limited range

Sketch, design, product

5cm length

2.6

cm

wid

th1

.2c

m h

eig

ht

Low Power Wireless Sensor

Prototype – 1 Prototype – 2

3.6cm length

2.6

cm

wid

th0

.75

cm

heig

ht

Crossrail Projects 1. Post Office tunnel at Liverpool street station

(excavation of Crossrail Tunnel). 11/2012—2/2014

2. Partially-sealed Crossrail C360 Eleanor

Street Adits. 04/2014—10/2014

3. Crossrail demolation C502 and C510

Monitoring escalator and main supporting beams

at Moorgate Station 02/2015— Current

Cast Iron Lined Tunnel - London

Introduction

Post Office Tunnel Installation

C

T

T

C C

Data Analyses

TYPICAL SQUATOBSERVED SQUAT

C

T

T

C2 C3 C4 C5C1

231.5 232 232.5 233 233.5 234 234.5 235 235.5-0.04

-0.03

-0.02

-0.01

0

0.01

0.02

0.03

0.04Delta Strain R2930

Distance,m

Str

ain

,%

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218218.5219219.5220220.5221221.5222-0.05

-0.04

-0.03

-0.02

-0.01

0

0.01

0.02

0.03

0.04

0.05Delta Strain R2950

Distance,m

Str

ain

,%

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Data- R2930

T T

C

C

Partially-sealed Crossrail C360 Eleanor Street Adits

monitored using UtterBerry Wireless sensors

Plan View: Eleanor Street Shaft and Adits: Costain

Skanska JV

UtterBerry sensors can be placed in position using

nothing more than a simple pole.

1

displacement,

acceleration

and tilt

2

displacement,

acceleration

and tilt

3

displacement,

acceleration

and tilt

4

displacement,

acceleration

and tilt

5

displacement,

acceleration, tilt,

temperature

and humidity

UtterBerry Sensors arrangement in rings Installation at

Eleanor Street

A snap shot of multi-axial monitoring of a London tunnel

under construction with UtterBerry wireless sensors.

VE2 section

TBM- Passing De-watering

Crossrail demolition - C502 Monitoring escalator at Moorgate Station

Monitoring the Props and the wall at Moorgate station

Data from one of the UtterBerry sensors at Moorgate Station

Best Practice/Innovation Summary Sheet

Innovate18 reference: INV00599

CSJV reference: 055 CSJV Template number: C360-CSJV-BPS-001

Utterberry Wireless Sensor Network

1. Description and Overview 3. Benefits to the customer

Wireless sensors -

Used for monitoring of structural displacement within the adits at Eleanor Street whilst access is restricted

- 100% remote system – no access required to keep system running

- Online and real-time monitoring

For more information

http://www-smartinfrastructure.eng.cam.ac.uk/news/2013-11-21-IETInnovationAwards.

1. Safety -

No personnel required to enter potentially unsafe environment

2. Cost - Cheaper than alternative options – fibre optics, conventional totalstations system 3. Accuracy

- High level of accuracy and repeatability being achieved (sub millimetre results) –see attached results graph – better than anything currently being used elsewhere

4. Asset protection -

Adits being monitored for movement even though there is currently no access to them

5. Robustness of system -

Sensors are lightweight and strong, as opposed to other systems which are extremely fragile and subject to environmental changes at times

2. Benefits to the project

4. Recommendations for improvement

Title: Utterberry W

ireless Sensor Network – Keeping an eye on our adits

CSJV Contact:

Nigel.marsh@costain-skanska-jv.co.uk

Customer: Crossrail

Project: C360 – Mile End Park and Eleanor Street Shafts

Supplier (if applicable): Utterberry Limited

1.Safety -

No personnel required to enter potentially unsafe environment

2. Industry first -

Places C360 project at the cutting edge of innovative practice, as this is the first time this innovation has been used in this type of environment; and the results obtained will be used for research and development of this and other products

3. Speed/Ease of installation -

Installation of sensors within the adits completed in a working day

- Can be utilised in many different applications within the monitoring and construction industry as a whole

- C360 is assisting with ongoing product development

- Cheaper mass-production of sensors is required going forward

Feasibility study under the Remote Condition Monitoring (RCM)

competition (Challenge 8) delivered by the Future Railway

programme and funded by DfT

• Sensors tested under differed

conditions.

• The sensors act independently

• Remote monitoring

• Over 25m communication

sensors to sensors.

Future Railway and Network rail challenges 8

Projects

Forth Bridge

2013

Trinity Hall Cambridge

02/2015- Current

Track and vehicle

monitoring

2014

UtterBerry

Safe and Easy to install

Size and weight

Low Power

Measurement-Big Data and link to other

assets

Communication no need for line

of sight

Output-100% remote

System- self calibrated

and adapted to its

environments

Small size

and low

powerDesigned and

Manufactured Great

Britain

Power by

32-bit

CPU

Angle18.627°

Accelerometer X = 0.04

Y= 0.02

Z= -0.96

Temperature 22.573°

Humidity76%

Thank you