2016 prius chief engineer presentation, by koji toyoshima - Jeu de Slides 2

1. Koji Toyoshima
Product Planning Group
Chief Engineer
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2. Second generation Prius
First generation Prius
Third generation Prius
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3. 0
2,500
5,000
7,500
10,000
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
unit :thousand
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4. 4

5. Let’s Build Ever-better Cars
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6. Beautiful Hybrid
A beautiful car for a beautiful Earth
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10. Comfortable cars that give our customers
safety and peace of mind
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11. Four great things about
Well-equipped
Fun to drive
Eye-catching design
Excellent fuel economy
the new
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12. Eye-catching design
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13. Length : 4,540mm (+60mm)
Width : 1,760mm(+15mm)
Wheelbase : 2,700mm
Luggage area
:502ℓ(+56)
Height :
1,470mm
(-20mm)
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14. 14

15. -70mm
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16. Current Prius New Prius
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18. 18

19. 19

20. -170mm
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21. Coefficient of drag (Cd): 0.24
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29. Current Prius
1 4 8 12 16 20 24 28 32 36 40 1 4 8 12 16 20 24 28 32 36 40
New Prius
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30. Performance
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31. 31

32. 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
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33. Squared figure-of-eight reinforced
annular structure
Rear annular structure
Completely Redesigned Body Frame Structure
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34. Increased use of Hot Stamped Parts
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35. Number of welding points increased by 30%
Increased use of Laser Screw Welding (LSW)
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36. New rigid frame structure Expanded use of high tensile
strength steel sheets
Body torsional stiffness improved by approximately 60%
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37. Double wishbone rear suspension
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39. Noise absorption and insulation
material in the engine compartment
Noise absorption and
insulation material
Sound insulating
material
Sound absorbing and
insulating material
Heavy Sheet
Film
Soft Layer
Heavy Sheet
Film
Soft Layer
Hard Layer
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40. Body sealer
Current
Prius
Floor silencer
New
Prius
Sections where sealer is now used
Current Prius
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41. New
Hybrid System
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42. Development aim: achieve fuel consumption of 40km/ℓ
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43. Key Development Points
1 Excellent fuel efficiency
Compact and lightweight system2
New E-Four 4WD system3
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44. +110mm
Excellent fuel efficiency
Compact and lightweight system -55mm
Luggage area
502 ℓ(+56 )ℓ
1.8ℓAtkinson cycle engine
Transaxle
Motor
Hybrid Battery
PCU
Auxiliary battery
placed in the engine compartment
Luggage area capacity
Battery
Current Prius New Prius
Hybrid Battery
56ℓincreased by
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45. Compact design achieved by increasing power density
Nickel-metal hydride batteryLithium-ion battery
Hybrid Battery
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46. Current Prius
32.6km/ℓ
New Prius
(2015)
First generation
Prius
(1997)
Second generation
Prius
(2003)
Target
40km/ℓ
(2009)
Improvements in Prius Fuel Efficiency
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47. Hybrid Battery
Fuel tank
Rear motor system
Rear inverter
E-Four
Luggage area
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48. Advanced Equipment
and Safety Features
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49. Toyota Safety Sense P
(on Japan models)
Pre-collision system with
pedestrian detection
Radar cruise control
Lane departure alert Automatic high beams
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50. Pre-collision system
Warns driver with audio
and visual alerts
Step4
Collision
imminent
Collision
A
B
A :
B :
Elapsed time
Step1
Detects
pedestrians
and vehicles
Step2
Collision possible
Step3
Collision
probable
(detects pedestrians and vehicles using millimeter-wave radar and a monocular camera)
automated braking
activated if the driver fails
to brake in time
brake assist activated
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51. When the driver starts the car and tries to accelerate too close to an object:
Engine power restriction Brake control
(The system stops the car.)
Note: The system also functions when moving forward (if there is an object in front of the car)
Intelligent Clearance Sonar
Brake! Please depress
the brake.
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52. Current IPA requires
the driver to stop
in this area.
Current Prius
New IPA can be engaged
after stopping in this area.
New Prius
Simple Intelligent Parking Assist (IPA)
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53. Note: The car in the photo is not the new Prius
Area visible using side mirror
Detection range
Blind Spot Monitor (BSM)
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54. ITS Connect
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55. ITS Connect
Vehicle-to-infrastructure
communication
Eco-friendly accelerator
guidance using traffic
signal information
Communicating Radar
Cruise Control
Right-turn Collision
Caution
Emergency Vehicle
Notification
Signal change advisory
Red Light Caution
Vehicle-to-vehicle communication
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56. 2m
Color Head-Up Display
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57. Hill start assist control
Twin 4.2-inch color thin film transistor (TFT) meter
Comfortable heated seats (driver and passenger seats)
Drive start control
Intelligent clearance sonar
(with all-round collision warning function)
and simple intelligent parking assist.
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58. Drive assist
Information
monitoring
Steering Wheel with Temperature Adjustment Function
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59. Palm temperature five seconds after gripping steering wheel
Summer conditions:
surface temperature
= 55°C
Winter conditions:
surface temperature
= 2°C
Current Prius New Prius
Current Prius New Prius
Steering Wheel with Temperature Adjustment Function
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60. S-FLOW
SettingsA/C to all seats
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61. External air inflow Interior air recirculation
S-FLOW
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62. Can double as an emergency power supply (max 1,500 W )
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