Toyota Motor Corporation Chief Engineer Product Planning ... · Design Toyota Media Tour 2015 Tokyo...
Transcript of Toyota Motor Corporation Chief Engineer Product Planning ... · Design Toyota Media Tour 2015 Tokyo...
Toyota Media Tour 2015 Tokyo Motor Show
Toyota Motor CorporationChief Engineer / Product Planning Div.
Koji Toyoshima
Toyota Media Tour 2015 Tokyo Motor Show
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Toyota Media Tour 2015 Tokyo Motor Show
FirstGeneration
SecondGeneration
ThirdGeneration
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Toyota Media Tour 2015 Tokyo Motor Show
Four great things about the new
1. Eye-catching design
4 . Well-equipped
2. Fun to drive
3. Excellent fuel economy
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Toyota Media Tour 2015 Tokyo Motor Show
Length: 4,540mm (+60mm)
Width: 1,760mm (+15mm)
Wheelbase: 2,700mm
Height:1,470mm(-20mm)
Luggage Space:502 (+56)
Hip point heightlowered by 59mm
Luggage compartment floor lowered by 110mm
Rear spoiler height lowered by 55 m
Height of powertrain components lowered by 10mm
Height lowered by 20mm
Cowl heightlowered by 62mm
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Toyota Media Tour 2015 Tokyo Motor Show1. Design
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Toyota Media Tour 2015 Tokyo Motor Show1. Design
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Toyota Media Tour 2015 Tokyo Motor Show1. Design
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Toyota Media Tour 2015 Tokyo Motor Show1. Design
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Toyota Media Tour 2015 Tokyo Motor Show1. Design
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Toyota Media Tour 2015 Tokyo Motor Show2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Distribution of frontal crash energy via multi-load paths
Bumper reinforcement
Point of impact
#2 cross-member
Distribution of energy Point of impact
Distribution of energy
2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Completely Redesigned Body Frame Structure
Squared reinforced annular structure
Rear annular structure
2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Increased use of Hot Stamped Parts
2. Basic Performance
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Increased use of Laser Screw Welding (LSW)Number of welding points increased by 30%
2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Expanded use of high tensile strength steel sheetsNew rigid frame structure
Body torsional stiffness improved by approximately 60%
2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Double wishbone rear suspension
2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Noise absorption and insulation material in the engine
compartmentNoise absorption and
insulation materialSound insulating material
Sound absorbing and insulating material
Heavy Sheet
Film
Soft Layer
Heavy Sheet
FilmSoft Layer
Hard Layer
2.Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
Current Prius
Floor silencer
NewPrius
Body sealer
Sections where sealer is now usedCurrent Prius
2. Basic Performance
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Toyota Media Tour 2015 Tokyo Motor Show
New hybrid effect
Low fuel consumption Hybrid system
Emotional driving
experience
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
High efficiency Compact and lightweight system
Excellent environmental performance
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
Fuel Efficiency Gains Achieved with the New Hybrid System
Current Prius
New Prius
5.0%
Engine
2.6%
Transaxle
3.2%
Motor
2.4%
PCU
5.0%
Hybrid batteryHybrid system management
Vehicle
Fuel
cons
umpt
ion
mea
sure
d us
ing
The
Japa
nese
JC0
8 cy
cle
(km/ )
40km/Target
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
(%)
Improvements to maximum thermal efficiency of engines over time
First generation
Prius1NZ-FXE
(Year)1995 2000 2005 20152010
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40
35
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:Toyota gasoline engines : Competitors’ gasoline engines
Max
imum
ther
mal
eff
icie
ncy
Second generation
Prius1NZ-FXE
38.5%
Current Prius2ZR-FXE
New Prius2ZR-FXE
40%
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
Maximum Thermal Efficiency of 2ZR-FXE Engine: 40%
Reduced friction
Toyota-first dual cooling system
Improved combustion and knock control
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
New Multi-Axis TransaxlePower split device
Motor
Parallel motor reduction gear format
Generator
Mechanical loss reduced by approx. 20%
Length reduced by 47mm
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
Loss reduced by over 20%Weight reduced by over 20%
Compact and Lightweight High-Output Motor
Development of rolling-coil structure
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
Newly Developed PCU
Loss reduced by approx. 20%Size reduced by 33%
Auxiliary battery moved to engine compartment
Engine
PCU
Auxiliary battery
Upper cover
Inverter case
Smoothing capacitor
Converter case
Lower cover
Control circuit
Current sensor
Power stack(cooler and powercards)
Reactor
DC/DCconverter
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show3. Hybrid System
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Newly Developed Nickel-Metal Hydride and Lithium-Ion Battery
Nickel-Metal Hydride Lithium-Ion
Improved output
*Lithium-ion battery availability depends on each market
Toyota Media Tour 2015 Tokyo Motor Show
00.20.40.60.8
11.21.4
Newly Developed Nickel-Metal Hydride Battery
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Size reduced by 10% Charging performance improved by 28%
10%
35.539.4 1.281.00
28%
Current Prius New Prius Current Prius New Pius
Note: assuming a battery temperature of 25°C
Bat
tery
vo
lum
e
( )
Am
ount
cha
rged
per
uni
t of t
ime
3. Hybrid System
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Toyota Media Tour 2015 Tokyo Motor Show
Relocated Battery
+110mm
-55mm
Luggage area502 (+56 )
Battery
Current Prius New Prius
Luggage area capacity
56increased by
NiMH & Li-ion
3. Hybrid System
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Higher Engine Stop Speed
Vehicle speed
(km/h)
Time
(rpm)
Higher frequency of engine stops
Engine speed
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3. Hybrid System
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3. Hybrid System
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3. Hybrid System
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3. Hybrid System
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3. Hybrid System
Toyota Media Tour 2015 Tokyo Motor Show4. Advanced Equipment
Toyota Safety Sense P(on Japan models)
Pre-collision system withpedestrian detection
Lane departure alert
Radar cruise control
Automatic high beams
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