eAWD System


AAM is taking eAWD to the next level and offering major advancements:
  • AWD System
  • CO2 reduction
  • Performance
  • Safety
  • Affordable hybrid solutions
Peformance Advantages Of AAMs eAWD System:
  • Rear axle traction torque up to 1200Nm
  • Torque vectoring torque up to +/- 1200Nm
  • Fuel efficiency gains 14-30% compared to conventional AWD (depending on vehicle variant and level of hybridization)
  • Improved stability and handling
  • Improved acceleration 0-100 kph / 0-62 mph
Special Control System Considerations:
  • An AUTOSAR-compliant platform (from an application/ECU perspective)
  • Safety-critical functionality
  • Designed to meet ISO 26262 requirements
  • Impacts fuel efficiency and thus emissions
  • Yaw control strategy and subordinated to ESC in stability control
Operating Modes:
  • Traction
  • Electric regeneration
  • Launch assist
  • Acceleration boost
  • Torque vectoring
  • Full electric drive

Key Features:
eRDM: POWER & CONTROL BOX:
  • Traction & torque vectoring
  • A portfolio of options from 15kW to 50kW
  • Mounted on rear axle cross member
  • Passive cooling by underbody airflow
  • 28 kg / 62 lbs
  • ECU
  • Vehicle specific and tunable software control strategy
  • Inverter
  • Low power DC/DC-converter
  • Mounted inside the vehicle
  • Forced air cooling
  • 9 kg / 20 lbs

 

Architectual Impact with Conventional AWD: Architectual Impact with eAWD:
  • Rear Subframe
  • Rear Floor
  • Tunnel Area
  • Fuel Tank
  • Exhaust System
  • Catalytic Convertor
  • Seat Cross Member
  • Transmission
  • PTU
  • PT Mounts
  • Front Subfroame X-Member
  • Steering Gear
  • Stabilizer Bar
  • Heat Shields
  • Body Reinforcements
  • Rear Axle
  • Spare Wheel Well
  • Air Shields
  • DPF
  • Electrical Architecture
 From 20 Interfaces to 5
  • Battery
  • Body Fixation for Power Pack
  • Interior Trim for Power Pack
  • Rear Axle
  • Electrical Architecture

 

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