High regen versus low regen, not high regen vs using the hydraulic brakes.
#Ibooster brake driver#
Even Tesla has used this system since they introduced partially-automated driving features into the Model S although Tesla has programmed it to use only friction braking when the driver steps on the pedal, presumably to guarantee the highest level of consistent braking feel. Like many other car makers, Rivian is using Bosch’s iBooster brake system.
Like almost all other electric and hybrid cars, Rivian also initially uses regenerative braking as the traditional brake pedal is pushed but transition to friction braking as the need for anti-speed increases as the driver pushes down farther on the brake pedal.
Similar strategies are used to hold a car on an incline.Ĭharles Sanderson, Rivian’s VP of Development & Integration, says they can hold the vehicle at up to a steep 20 percent road grade just using active motor torque. Regenerative braking is ineffective at very slow speeds (the last several mph) so car makers that support full-stop one-pedal braking either blend in friction braking (in the 2018 Nissan LEAF) or they use active motor torque using a small amount of power from the battery as the Bolt EV and Rivian do. Like the Bolt EV and 2018 LEAF, Rivian supports driver configurable options to control the intensity and behavior of regenerative braking that occurs on the accelerator pedal. On the other hand, so far, Tesla vehicles require use of the brake pedal to quickly come to a full stop or hold the vehicle in place. The BMW i3, Chevrolet Bolt EV, 2018 Nissan LEAF, and the new Hyundai Kona Electric can all do this. Like an increasing number of electric cars, the new Rivian vehicles can not only regenerate power back into the battery to help slow down but can quickly bring the vehicle to a full stop and hold it there without use of the traditional brake pedal - even on an incline. It sure will! Here's a great explanation for Rivian's one-pedal driving setup.
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