Hybrid Vehicles - HYBRID VEHICLES: What And Why? ME444...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon
Jerry Skellenger, GEDASK, LC HYBRID VEHICLES: HYBRID VEHICLES: What And Why? What And Why? ME444 Gerald D. Skellenger, GEDASK, LC
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Jerry Skellenger, GEDASK, LC Slide 2 HYBRID VEHICLES HYBRID VEHICLES Have two (or More) Energy Storage Devices Have two (or More) Power Paths Are Executed to Produce Better Emissions and Fuel Economy Are more Costly Are more Complex
Background image of page 2
Jerry Skellenger, GEDASK, LC Slide 3 In case you thought hybrids In case you thought hybrids were new…… were new…… 1909 1909
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Jerry Skellenger, GEDASK, LC Slide 4 GM circa 1969 GM circa 1969
Background image of page 4
Jerry Skellenger, GEDASK, LC Slide 5 General Concept General Concept Fuel  Converter Power Power Conditioning Conditioning Storage Medium Storage Medium
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Jerry Skellenger, GEDASK, LC Slide 6 Hybrid (Electric) Hybrid (Electric) Vehicle Arrangements Vehicle Arrangements Series Series ENGINE ENGINE BATTERY BATTERY MOTOR/ MOTOR/ GENERATOR GENERATOR Parallel Parallel GEARS GEARS
Background image of page 6
Jerry Skellenger, GEDASK, LC Slide 7 GM Car and Truck CAFE GM Car and Truck CAFE 10 12 14 16 18 20 22 24 26 28 30 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 Model Year CAFE (mpg) Domestic Passenger Car Fleet Light Truck Fleet
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Jerry Skellenger, GEDASK, LC Slide 8 Vehicle Modeling and Simulation Requirements Vehicle Modeling and Simulation Requirements Component models are incorporated into a vehicle simulation model Variety of powertrain architectures Link to an optimization toolbox to provide system design formulations Data integrity checks PC-based modeling and simulation environment
Background image of page 8
Jerry Skellenger, GEDASK, LC Slide 9 Conventional Drive Vehicle Conventional Drive Vehicle Engine Engine Launch Device: Torque Converter or Clutch Launch Device: Torque Converter or Clutch n-Speed Automatic or CVT n-Speed Automatic or CVT Accessories Accessories FDR
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Jerry Skellenger, GEDASK, LC Slide 10 Energy Utilization in a Full-Size Energy Utilization in a Full-Size Pickup Truck Pickup Truck Rolling Resistance 3.5% Accessories 2.0% Engine 77.3% Braking 4.7% Drivetrain 5.9% Fuel Energy 100% Aerodynamic Drag 6.6%
Background image of page 10
Jerry Skellenger, GEDASK, LC Slide 11 Forward-driven Simulation Approach Forward-driven Simulation Approach Tire Model Final Drive Model Transmission Transmission Transmission Model S/C or T/C S/C or T/C Launch Device Model Eng Access Eng Access Engine Engine Teng Weng Analysis starts with assumed throttle or engine output Vehicle Acceleration Determined Iterative solution required to adjust engine output to match the cycle acceleration
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Jerry Skellenger, GEDASK, LC Slide 12 Backward-driven Simulation Approach Backward-driven Simulation Approach Engine speed and torque determined by working back through the driveline component models Final Drive Model Transmission Transmission Transmission Model S/C or T/C S/C or T/C Launch Device Model Eng Access Eng Access Engine Engine Teng Weng Road Load Given Tire Model Analysis starts with known velocity and acceleration is given by the duty cycle Note: vehicle performance must be monitored in case the engine cannot
Background image of page 12
Image of page 13
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 53

Hybrid Vehicles - HYBRID VEHICLES: What And Why? ME444...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online