ABS while leaned over

Pard · Jun 2, 2019

ABS while cornering

Any experts in here?

How does the ABS while leaned over work? Supposedly the new bikes have cornering ABS that alters the behavior of the ABS relative to lean angle.

Upright you can go to max force on the lever and the ABS kicks in to prevent wheel lock. Any daring soul try this while leaned over? What is supposed to occur to prevent a crash?

How does this new generation of ABS work differently than the old dumb ABS of years ago?

Pard · Jun 3, 2019

https://www.asphaltandrubber.com/lifestyle/bosch-cornering-abs-explained-video/

Combined with wheel speed sensors, and engine parameters from the engine control unit (ECU), the cornering ABS computer can take all these data points and with a high degree of certainly know exactly what the motorcycle is doing in terms of motion, and what the rider is inputting into the controls.

From here, the nerds have built a complex program that ensures that even when the rider gives a full grip of brake lever with their right hand, the hydraulic pressure sent to the front brakes doesn’t exceed a threshold that would cause the front wheel to lose traction and tuck.

This pressure is of course modulated by a very high-performing ABS module, not too unlike what has been on the market for the past 10 years or so.

The result is an unnerving, but very effective, safety net that allows riders to grab a fist-full of brakes while leaned over, without the risk of causing a lowslide crash. In other words, this is a safety game-changer.

Safety is giving way to fun now too, as just recently these systems have evolved for the race track with “race” modes for cornering ABS coming on the scene. The Ducati Panigale V4 is one such machine equipped with this type of cornering ABS setup, which it calls Bosch Cornering ABS EVO.

https://youtu.be/ji5S5Syeqa0

BenF04 · Jun 4, 2019

Thanks for posting the video, makes for some interesting watching although the locked up rear wheel will obviously never apply to a Ducati...

Pard · Jun 5, 2019

https://www.motorcycle.com/safety/mo-tested-cornering-abs.html

https://www.revzilla.com/common-tread/testing-boschs-motorcycle-stability-control

To test these systems while cornering, we headed out to the track with a cone course set up so that we could ride at 35 degrees of lean angle at 35, 45, and 55 mph. Once we’d hit the desired speed and lean angle, we were encouraged to stab at the brakes or get on the gas with increasing levels of severity. If this drill doesn’t already sound like absolute madness, consider that these bikes were lacking the outriggers from the previous drill. Despite going against everything I’ve come to believe about acceptable inputs mid-corner, the Multistrada handled our rough and choppy inputs and refused to let us crash. In addition to preventing crashes, the combination of ABS and linked braking also keeps the bike from running wide in a turn under braking, which is hugely important in the real world.

https://www.youtube.com/watch?time_continue=32&v=-gu1W2DR-vU

Pard · Jun 5, 2019

Just remember, cornering ABS will not prevent non-braking related, loss of traction cornering events.

https://www.ridinginthezone.com/truths-about-electronic-stability-control/

Whether you have new-fangled IMU-based electronics or basic ABS, you should take time to practice maximum braking to the point where ABS kicks in. Without finding that limit, you will never trust that you can brake as hard as the system allows and not likely use the total amount of stopping power available when you need it most. Braking that hard is unnerving at first, but trust me the system will intervene.

https://www.ridinginthezone.com/crashing-sucks-ask-me-how-i-know/

I was fooled into a false confidence: I had just performed mind-blowing feats of daring on wet pavement that warped my basic understanding of physics. This was possible because of the absolutely awesome Bosch electronics package that is integrated into the Multi. Traction control that allows hamfisted throttle inputs while dragging footpegs in the rain! Maximum braking on wet pavement while leaned at 37 degrees! Unbelievable.

ABS while leaned over

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