Tata Aria drivetrain
Tata Aria is the first vehicle from the Tata stable to be offered with an adaptive All Wheel Drive (AWD) system. Tata Motors have christened this 4×4 ‘torque on demand’ system as ‘Adapterra’. The Adapterra Torque on Demand feature supplies torque in varying proportions between the two axles depending on the terrain. Not only does it help the vehicle grip better in tricky off-road conditions, but also aids stability on winding roads. The ECU for the Torque on Demand AWD system on the Aria continuously takes into account front (axle, wheel) speed, rear (axle, wheel) speed, throttle position, ABS signals and mode (4×2 / 4×4) position to decide on the Torque distribution.
The system reduces the torque where the wheels are slipping, or lacking grip and provides additional torque to the side where the traction is more. This not only aids the car overcome slippery surfaces while off-roading but also aids stability on normal roads. This gives the Aria a decent level of capability to go off the road, with a brain to handle certain tricky situations all by its own. The ToD system on the Aria, like most AWDs does away with the need of driver intervention in putting the 4×4 system to use wisely, and handles the situation automatically.
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