adrian tucker-peake
TRANSCRIPT
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Responsible Performance
Adrian Tucker-PeakeInnovations ManagerMG Rover Group Ltd
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MG TFMG TF 200 HPD
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Pressures and Innovation
• Government targets for 2012– Demanding criteria– 10% of new registrations to achieve less than
100g/km CO2 emissions
• MG Rover Group / Powertrain Ltd / MIRA win a Government sponsored initiative for the “Ultra Low Carbon Car Challenge”
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Exciting, and Green “Electric Hybrid” Technology
JD Power – Consumer acceptance study for hybrids:
But..X Lack of awarenessX Lack of driving performanceX Costly for modest extra function
Fuel price concernsEnvironmental concerns
“…worthy but dull”
MG / MIRA Vision…”Exciting, responsible and multifunctional”
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Customer Delight OpportunitiesExploit the capabilities of different characteristic independent, powertrains…
speed
petrol
electric
All wheel drive
Active torque split
High torque launch
Hotshift acceleration
Energy regeneration
City driving
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Partnership Roles in Developing New Product Technology
MG ROVER MIRA
STYLE AERODYNAMICS
PERFORMANCE 200 HP HYBRID
HANDLING 4WD ENG’G.
EASY DRIVING ALGORITHMS
AFFORDABLE PROVENCOMPONENTS
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The Vehicle Concept
“Responsible Performance”
hotshift
1st
2nd
3rd
• A hybrid delivering extended performance, rather than superior economy
• Extended performance comes at no cost to fuel economy or tailpipe emissions.
A hybrid delivering extended performance, rather than superior economy
Extended performance comes at no costto fuel economy or tailpipe emissions
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The Vehicle Architectureembedded PC vehicle
managementrunning
MathworksXPC
driverinterface unit:
(S.O.C, Powerflow,Auto selection,
Cut off)
120 kWVVC engine& 5 speedgearbox
30 kW peak brushed DC motor
500 Amp72 volt motor
controller
Hawker lead acid
battery packadds 30kW
for 10s
selfregulating
CVT transmission
toothedbelt drive to
15kWgenerator
DC / DC converterdisplacesalternator
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The Design Process
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Validated Modelling SolutionsExample: Battery temperatures
Free Convection Forced Convection – 5m/s
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The MG TF 200 HPD“Hybrid Performance Development”
0 – 60 mph in less than 6 seconds with excellent start line acceleration
Total peak powertrain output 200 bhp
4WD traction
“Hotshift” gear changes further assist acceleration
Programmable Under Steer / Over Steer
Electric driving mode – clutchless operation.
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Responsible Performance