Download pdf - SAFRAN TAXIING SYSTEM RECENT DEVELOPMENT e-taxi conference/Day 1/ATA...Over 1 200 landing gears maintained and overhauled per year ... A300-600 A318 A319 A340-500-600 A310 A321 747-8

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SAFRAN TAXIING SYSTEM RECENT DEVELOPMENTIATA 2nd E-Taxi Conference

May 23-24, 2017


SAFRAN AT A GLANCE

1

SAFRAN Landing Systems / May 2017 / IATA e-Taxi conference - Singapore2


SAFRAN

AN INTERNATIONAL

HIGH-TECHNOLOGY

GROUP

€15.8 BILLION in sales*

66,500

EMPLOYEES in more than

60 COUNTRIES

3 CORE

BUSINESSES:Aerospace

Defense

Security

€1.7 BILLION in R&D expenditures*,

equal to nearly 11% of

sales

Over 850

INITIAL

PATENTS filed in 2016

€2.4 BILLION in adjusted recurring

operating income*

*2016



59% 33%

8%

Defense

FINANCIAL AND STOCK MARKET DATA

SALES BY BUSINESS SECTOR (2016)

14.0%

1.2%8.0%

76.8%

Aerospace Propulsion

Aircraft Equipment

French State

Public

Treasury shares

Employees

CAPITAL SHAREHOLDING STRUCTURE*

*as of February 28, 2017



SAFRAN LANDING SYSTEMSORGANISATION

2



4 MAIN ACTIVITIES

LG52,5%

W&B24%

MRO13%

SE11%

Landing Gear & Integration (LG): World leader in landing gear systems

27 000 aircraft equipped

30 airframers

800 operators

54 000 landings per day

Wheels & Brakes (W&B): World leader in carbon brakes

Supporting more than 500 airlines

More than 6 800 commercial aircraft equipped

52% market share for mainline commercial jets with carbon brakes

Systems & Equipments (SE): Global solutions for landing and

braking systems

17 000 civil aircraft equipped and in operation

Broad ATA32 capability: Braking control system, steering control system,

monitoring systems, landing gear extension and retraction system

Maintenance Repair & Overhaul (MRO): global solutions

MRO solution for airlines covering both OEM and non-OEM platforms

Over 1 200 landing gears maintained and overhauled per year

Over 10 000 equipment components repaired annually

A large pool of rotables for exchanges and leases

Percentage of turnover 2016


Ce document et les informations qu’il contient sont la propriété de Safran. Ils ne doivent pas être copiés ni communiqués à un tiers sans l’autorisation préalable et écrite de Safran.Ce document et les informations qu’il contient sont la propriété de Safran. Ils ne doivent pas être copiés ni communiqués à un tiers sans l’autorisation préalable et écrite de Safran.

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SPARE PARTS

SHOPS

WORLDWIDE PRESENCE

Safran Landing Systems / May 2017 / Communications7

3

HUBS

CARBONE

8

ASSY

FACILITIES

22 SITES AROUND THE WORLD


Unified Front-Office Customer Support Organisation

Global Customer Support Managers network

24/7 logistical and technical support centers, including extensive AOG services

Full e-Services Offer

Technical information, publications, warranty administration, training, price catalogues,

spares portal, delivery tracking, etc.

Permanent Optimisation of Our Products

Reliability, cost of ownership, etc.

Global Repair Network

Providing competitive repair solutions from a global network of repair stations

Innovative Services

WORLDWIDE SUPPORT AND SERVICES



LARGE COMMERCIAL AIRCRAFT

A350 XWB

A320 Family and neo

Boeing 787

A380A330/340

A300-600

A318 A319

A340-500-600

A310

A321

747-8

737 NG and 737 MAX

747-400 767-200/300

777-200/300 LR



INTRODUCTION TO SAFRAN ELECTRIC TAXIING SYSTEM

3



WHY AN ELECTRIC TAXIING SYSTEM?

30%-40% of Airline Cost is Fuel 6% of Fuel is Burnt on Ground



Concept of the Electric Taxiing by Safran

The Electric Taxiing will allow the aircraft to push-back and taxi under APU generated

electrical power without the main engines running

APU generator powered motors allow aircraft to « Taxi »

Motors housed in main landing gear wheels for maximized performances, traction and agility

Aircraft platforms target

Narrow body, including A320 & B737 - Forward Fit and Retrofit

Certification by OEM’s (Type Certificate) … Objective: Simultaneous EIS for Forward Fit and Retrofit

An innovative system allowing aircraft to pushback and taxi

without main engines running

A step towards the more electric AircraftSAFRAN Landing Systems / May 2017 / IATA e-Taxi conference - Singapore12


ELECTRIC TAXIING SYSTEM BENEFITS TO ALL STAKEHOLDERS

Fuel burn cut by 6

compared to Dual Engine taxi

Benefits for Airline:

• Fuel savings

• Reduced FOD

Benefits for Airline:

• Autonomy

• Up to 2 min time saving

• Cost reductions

Benefits for Airport:

• Gate freed quicker

• No jet blast : Ground employees safety improved

• Fewer vehicles

Benefits for Airport and local

community:

• Reduced ground emissions

• Reduced noise

Benefits for passengers:

• Improved comfort

Benefits for Airline, airport and

passengers:

• Faster exit and luggage availability

• Safety on aprons will be improved

(no jet blast, more precise A/C

maneuvering and positioning)


No tractor required for

pushback => At least 2 min

time saving

Arrival at the gate engines being shut down


Update on Safran Electric Taxiing program


Safran and Honeywell agreed to terminate their JV in April 2016

The joint venture has been highly successful in terms of completing design and

demonstration of the platform, and gaining widespread customer interest.

Safran continue on its side to work on innovative taxiing system projects on A320

families and 737 later.

Electric Taxiing by


SAFRAN Landing Systems Integrator, Wheel Actuator, Installation on Landing Gears

SAFRAN Electrical and Power Power Electronics, HP Electrical harnesses, Motor

SAFRAN Electronics and Defense Control Unit – Soft and Hard

SAFRAN Transmission Systems Gearbox

SAFRAN competencies gathered for the system optimization

Safran continues optimizing and developing the system

2017----------------------------------------2021

Electric Taxiing Full Dev

2021

EIS



OPTIMIZED TECHNICAL DEFINITION

… USING SAFRAN GROUP EXPERTISE

ATRU

CONTROL

SYSTEM

PILOT

INTERFACE

MOTOR

CONTROL

LG

INSTALLATION

WHEEL

ACTUATOR


E-TAXI OVERALL SYSTEM INSTALLATION FOR CURRENT A320 AIRCRAFT

APU Gen

(no change)ATRU

ETMCU

WA

WA

Hydraulics

HMI

• Hydraulics in MLGBSeparates A/C network from e-Taxi network

and control hydraulic flow to WA

• Control and Power Electronics– ATRU (Auto Transformer Rectifier Unit)

Converts 115VAC to 540VDC

– ETMCU (Electric Taxi Motor Control Unit)

Computer to control motor and monitor system

• Wheel Actuator (WA)– 1 driven wheel per MLG

– Fitted to the bottom of the MLG (no

structural change to the gear)

• Human Machine Interface (HMI)

• Electrical Harnesses– Power from APUGen to ATRU then

ETMCU to MLG

– Command from e-Taxi to aircraft systems

Airframer responsibility



Extensive Testing For Comprehensive Maturity

Equipped Main Landing Gear

Power Electronics system bench test

Dynamometer

bench test

Wheel Actuator full performance testing

Full system integration on airplane.

Demonstrated on PAS 2013 and

during Pilot Days 2014.

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Breakaway torque Sized to achieve push-back and

Stop&Go

• 12h parking at the gate (no slope / asphalte or concrete soil)

• Stop & go(slope considered)

System manage pushback Need to move backward the

aircraft and to stop it

• Reverse braking No use of a/c brakes as currently

Speed and acceleration Sized to achieve equivalent or

better taxiing time

• Max speed is set at 20kts

• Acceleration is driven by available power in the aircraft

PERFORMANCE



ELECTRIC TAXIINGBY SAFRAN

BENEFITS / VALUE FOR STAKEHOLDERS

4



Innovative & Integrated approach

Airframers

Airports Environmental

stakeholders

Airlines(fleet management, Tech Ops,

Fuel efficiency, pilots…)

21 SAFRAN Landing Systems / May 2017 / IATA e-Taxi conference - Singapore

https://upload.wikimedia.org/wikipedia/commons/1/1b/EasyJet_logo.svg

https://upload.wikimedia.org/wikipedia/commons/1/1b/EasyJet_logo.svg


SOLUTIONS TO MOVE AIRCRAFT ON GROUND WITHOUT USING ENGINES POWER

Benefits: Main Landing Gear Electric Taxiing

Economics Fuel and operational savings

Efficient for pushback and taxiing Out and In

EnvironmentThe most reduced emissions (CO2 – NOx – CO – UHC)

Reduced noise

OperationsFull Autonomy (OTP) - Pushback without delay

Taxiing Performance

Others

No impact on

Landing Gear Structure

Additional weight => optimized for short range

Electric taxiing by Safran appears the best option for short range: AUTONOMY

and EFFICIENCY22 SAFRAN Landing Systems / May 2017 / IATA e-Taxi conference - Singapore


SUBSTANTIAL BENEFITS DEPENDING ON OPERATIONAL PROFILE

Target segment based on value drivers

Long Taxi

Time

~20 min and more

High flight cycles

>1500

Short flight range

<1000 nmElectric Taxiing

Target Segment



ELECTRIC TAXIING VALUE MODEL - example of an asian airline

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Detailed value model developed with several airlines confirms significant direct savings wo including benefits on TAT

Fuel ($/gal)No Dual

Engine

Classical Dual

Engine

2 273 239

2,5 320 278

3 368 3173,5 416 357

Gate to gate / gate to hangar relocation

TAT Under discussion with airlines

Carbon credit Depending on future

regulations

SAFRAN Landing Systems / May 2017 / IATA e-Taxi conference - Singapore


ENVIRONMENTAL BENEFITS

Example for 17 min taxi out - 2000FC/year

Electric taxiing system drastically reducing emissions and noise on ground



AIRPORT OPERATIONAL BENEFITS

Ground operation

Healthier & safer access to the aircraft (no engine blast)

Increased aircraft autonomy, maneuverability & OTP

Improved gate utilization performance

Lower environmental footprint

Strong collaboration with some airports

• Current & near future traffic growth consideration

• Ground operations rules & constraints/necessary improvement

• Simulation of e-Taxi impact on airport daily traffic flow

• Noise & emissions reduction

Airports feedback

• Highly interested by the system for operational & green benefits

• Strong expectations in term of gate TAT & airport daily traffic flow

Aviation industry is encouraging this innovation to improve

operations at the gate and environment/noise footprint



AN INNOVATION EXPECTED BY PILOTS

30 pilots from 18 airlines and Airbus could test the system on aircraft

Representative taxiway including pushback and tight turns

Debriefing sessions to capture pilot impressions

Workshops to cover other aspects of system utilization

Very positive feedback

Easy to operate

Initial acceleration even better than with a/c engines

Impressed by autonomous pushback capability

Very intuitive



ELECTRIC TAXIING BY SAFRAN

Electric Taxi will improve operational performance, increase aircraft autonomy and reduce costs and environmental footprint

Up to 4% lower fuel burn

Don’t use main engines when you do not have to

Autonomous and free pushback

Don’t wait for the tug, don’t pay for the tug

Lower emissions & noise

In particular local emissions (NOx)
