adrian tucker-peake
TRANSCRIPT
Responsible Performance
Adrian Tucker-PeakeInnovations ManagerMG Rover Group Ltd
MG TFMG TF 200 HPD
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”
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”
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
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
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
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
The Design Process
Validated Modelling SolutionsExample: Battery temperatures
Free Convection Forced Convection – 5m/s
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.
Responsible Performance