<< Prev Page 3 of 3 A third 60bhp motor is located between the engine and six-speed sequential transmissions. This operates as a generator, both during deceleration to feed power to the supercapacitor, and during acceleration to power the rear electric motors.
The latter only happens when engine power and torque exceed the front wheels' grip limit. The generator works like an advanced traction control system, redirecting torque as electric energy to the rear wheels, to boost acceleration and improve handling rather than simply to limit engine power.
The rear electric motors can have a big influence on Yaris Hybrid-R's handling when cornering, by altering the torque distribution between the left and right rear wheels.
Each motor can be used independently as a generator or a motor to achieve the same effect as an intelligent torque vectoring differential.
Depending on the radius of the curve, the system can send more torque to the outside rear wheel, allowing higher entry speed into middle-speed bends; apply more braking force to the inside wheel in fast curves; or even brake and accelerate each wheel independently in slow bends to adjust the yaw effect for a better line, and to limit steering angle and understeer. << Prev Page 3 of 3
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Yaris Hybrid-R Concept
A third 60bhp motor is located between the engine and six-speed sequential transmissions. This operates as a generator, both during deceleration to feed power to the supercapacitor, and during acceleration to power the rear electric motors.