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Hybrid ; Clean and Fuel Saving Technology for the Current and Future Vehicles

Hybrid ; Clean and Fuel Saving Technology for the Current and Future Vehicles. OICA/JAMA Hirose Katsuhiko/Toyota Motor Corporation. What are possible with hybrid?. Hybridization. Hybrid vehicle vs conventional vehicles. Fuel Consumption on Various Driving Cycles.

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Hybrid ; Clean and Fuel Saving Technology for the Current and Future Vehicles

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  1. Hybrid ;Clean and Fuel Saving Technology for the Current and Future Vehicles OICA/JAMA Hirose Katsuhiko/Toyota Motor Corporation K.Hirose OICA/JAMA Geneva 02/02

  2. What are possible with hybrid? K.Hirose OICA/JAMA Geneva 02/02

  3. Hybridization Hybrid vehicle vs conventional vehicles K.Hirose OICA/JAMA Geneva 02/02

  4. Fuel Consumption on Various Driving Cycles Conventional Vehicle: IW 1250 kg with Automatic Transmission, L4 - 1.5L Engine Japanese 10-15 mode(22.7km/h) Prius Conventional Vehicle ECE mode(33.6km/h) US-FTP(48.2km/h) Traffic jam mode (11.4km/h) Highway mode (Average speed 100km/h) 0 2 4 6 8 10 12 Fuel Consumption ( liter/ 100 km ) Source:Toyota data K.Hirose OICA/JAMA Geneva 02/02

  5. What is hybrid? K.Hirose OICA/JAMA Geneva 02/02

  6. What is hybrid? • “At least 2 different energy converters and 2 different energy sources for the vehicle propulsion” K.Hirose OICA/JAMA Geneva 02/02

  7. Hybrid System Series hybrid Parallel Hybrid Battery Battery Inverter Inverter Engine Engine Transmission Motor Generator Motor K.Hirose OICA/JAMA Geneva 02/02

  8. Energy Management + Energy help acceleration Energy Storage(Battery) Recovery of braking energy Storage of excess energy Energy Acceleration Engine turns off Time Engine output energy with maximum efficiency - Deceleration K.Hirose OICA/JAMA Geneva 02/02

  9. Analysis for Fuel Economy １ Efficiency Increase Engine Efficiency Electric CVT (50%） Efficiency Increase Engine Efficiency Electric CVT (45%） Fuel Economy Improvement Rate Regenerative Brake (25%) Regenerative Brake (30%) Engine Stop (25%) Engine Stop (10%) 0 Japanese 10-15mode US City mode (LA#４) K.Hirose OICA/JAMA Geneva 02/02

  10. Evolution of Vehicle thermal efficiency Vehicle Total Thermal Efficiency 30 HV A 2000 Hybridization HV-A 1997 20 Base Vehicle 10 Oil Crisis １９００ ２０００ K.Hirose OICA/JAMA Geneva 02/02

  11. Technology High efficiency, Low emission, Reliability, etc. Market Penetration Product • Market Condition • Fuel, Infrastructure, • Technical standard, Tax, etc. Performance, Price Market Penetration of Future Power Source K.Hirose OICA/JAMA Geneva 02/02

  12. Product • Future vehicle requirements • Good performance • High efficiency • Low environmental impacts • Cost effective K.Hirose OICA/JAMA Geneva 02/02

  13. Good Performance Mid range acceleration 5 HV-A 2000/1.5L Good Mid range acceleration due to the rich motor torque Good Practical Performance Attractive Product for the customers HV B 1.5L　Ａ/Ｔ 10 　Ａ/Ｔ 80- 110 15 10 Good km/h （Sec） Acceleration0-100km/h（Sec） K.Hirose OICA/JAMA Geneva 02/02

  14. Low Environmental Impact (CO2 ) Well to Wheel CO2 Emissions EC mode MPI-SI(Gasoline) Current DISI DICI(Diesel) CNG Hybrid THS(Gasoline) Future Tech EV *1 Hydrogen FCHV *2 Onboard Reform FCHV 0 0.5 1 1.5 2 CO2 emission (MPI-SI =1) *1: Made from CNG. *2: CO2 emission of FCV is an estimation. K.Hirose OICA/JAMA Geneva 02/02

  15. Low Environmental Impacts (Emissions) ppmc 50 Gasoline Engine approaching Ambient Air level Hybrids help catalyst warm up hence reach very low emission level ULEV Gas Concentration Cold start emission Hot start emission 5 Prius SULEV City　Air 0 Year 98 00 02 04 96 K.Hirose OICA/JAMA Geneva 02/02

  16. Cost EV High Price HEV Internal Combustion Engine (ICE) Vehicle Low K.Hirose OICA/JAMA Geneva 02/02

  17. Summery • Does Hybrid meets future vehicle requirements • Good performance • High efficiency • Low environmental impacts • Cost effective • High Cost/Price is still a big issue to be solved. Yes Yes Yes Yes K.Hirose OICA/JAMA Geneva 02/02

  18. 1997 PC 2001: Mild HV Mild Hybrid System Strong HV 1997 Series hybrid system Hybrid Vehicles - Phase to spreads Laboratory 1999Sport Car HV 2001minivan HV K.Hirose OICA/JAMA Geneva 02/02

  19. Sales Volume (EV vs. Hybrid) 100,000+ 30,000 Hybrid EV number of units sold year 1990 1970 2000 K.Hirose OICA/JAMA Geneva 02/02

  20. Hybrid • Most promising technology • Proved high efficiency • Market acceptable • more than 100000 vehicles now on the road since1997 • Cost/Price is still big issue • Real mass production necessary to lower to the comparable cost with conventional vehicles K.Hirose OICA/JAMA Geneva 02/02

  21. For the environmental technologies • Industry makes effort to enhance performance and product customer acceptability. • Corroboration with government to lower the barrier for the customer to adopt those technologies. • ----> enhance both emission and CO2 reduction Mass penetration K.Hirose OICA/JAMA Geneva 02/02

  22. XFC-HV XX-HV H2FC-HV G-HV D-HV CNG-HV 21st century Core technology HV Gasoline Diesel CNG HV Around 2000 Core technology ICE Around 1900 EV Steam vehicle Gasoline vehicle Hybrid ＝ Core Technology for Automobile Evolution K.Hirose OICA/JAMA Geneva 02/02

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  24. End K.Hirose OICA/JAMA Geneva 02/02

  25. Characteristics of HV Systems Better Strong HV EV Driving Motor Asist Mild HV Fuel Economy Regeneration Brake Idling Stop Idling Stop Higher Mild Strong Idling Stop Price HV K.Hirose OICA/JAMA Geneva 02/02

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