This New Tech Completely Changes How The Brake Pedal Works
- Brembo Sensify removes brake fluid and lets software control braking force at each wheel.
- The brake pedal becomes an input device rather than a direct mechanical command.
- Stronger EV regen could make friction brakes smoother, smaller, and longer-lasting.
The rise of software-driven electric vehicles is changing everything about cars—including how they brake. One thing that stuck with me about the Mercedes-Benz GLC EV was that its regenerative braking could handle over 90% of braking, making the friction brakes less important. Now brake giant Brembo has announced Sensify, a simpler electromechanical setup that eliminates brake fluid and a physical connection between the pedal and the brakes in one fell swoop.
In a conventional braking setup, which has been used for over a century, pressing the brake pedal moves hydraulic fluid through lines that actuate the calipers.
Brembo’s new system is different. It uses electrical signals and actuators to engage the pads, grip the brake rotor, and slow the car down. In other words, the brake pedal stops being a mechanical command and instead tells a computer you want to slow down. Having individual actuators in each caliper should also allow the system to brake each individual wheel more precisely than today’s hydraulic systems.
Photo by: Brembo
The Italian brake maker explains this idea “was born as a fluid-free architecture that distributes intelligence at wheel level, removing hydraulic circuits and centralizing actuation,” adding that it “enables accurate and continuous modulation of braking forces, supporting stable and controlled vehicle behavior in complex and highly variable conditions.”
This means that when you apply the brakes in a vehicle equipped with this system, the electronic brain controlling them will modulate the braking force for you. It sounds like it could be a little disconcerting, but Brembo insists that what it’s doing is “enhancing peace of mind.”
Brembo goes on to say that “Sensify is engineered to support a wide range of advanced vehicle architectures, from next-generation driver assistance systems to fully autonomous applications.” It also says production for “a leading global vehicle manufacturer” has already started, without disclosing which company it is.
For a new, software-defined EV, the advantages of such a system are clear. While the latest models have become better at blending friction and regenerative braking, you can still sometimes feel how the pads start gripping the rotor when you’re already pretty deep into the pedal travel, and you’ve been pressing it for a few seconds.
Sensify sounds like a solution to make that a thing of the past, potentially making braking smoother and more predictable. It could also increase the life of brake pads (which already last a lot longer in EVs because they rely so much on regenerative braking), as the car could use regen more of the time.
