4 min read
Source: Business Wire — September 28, 2026
On September 28, 2026, POLYN Technology announced it has delivered the first engineering sensor nodes for its VibroSense TMS — a chip that puts AI-powered tire-road friction detection inside a TPMS sensor. The milestone matters for independent shops because it signals where tire, brake, stability, and driver-assistance diagnostics are headed next.
The chip analyzes raw accelerometer data inside a rotating tire and estimates the peak friction coefficient (PFC) of the road surface under each wheel in real time. For the first time, a vehicle's ECU will know how much grip each tire actually has — instead of discovering the loss of grip the same way a driver does, after the wheel has already started to slip.
What POLYN's VibroSense TMS Actually Is
POLYN is a fabless semiconductor company that builds neuromorphic analog signal-processing (NASP) chips. Its VibroSense TMS chip is designed to be assembled into TPMS sensor nodes used by tire manufacturers, vehicle OEMs, chassis system suppliers, ADAS developers, and autonomous-driving providers.
The chip's key claim is that it extracts a signal no existing production sensor measures directly: tire-road friction. The raw accelerometer data is processed on-chip, and the resulting friction value is delivered wirelessly to the vehicle's ECU as a standard sensor signal. Braking, electronic stability control (ESC), all-wheel-drive systems, and ADAS can all read it without any mechanical changes to the vehicle.
"A road may look fine, but it isn't," said Aleksandr Timofeev, POLYN's founder and CEO. "Today's braking, stability, and driver-assistance systems discover this the same way the driver does, when the wheel is already slipping. Tire-road friction is the last major input in vehicle dynamics that no sensor measures directly. VibroSense TMS changes that."
Why Tire-Road Friction Is the Missing Sensor Input
Every ABS, ESC, and AWD calibration a shop performs today relies on a model of grip that the vehicle assumes rather than measures. The car knows wheel speed, brake pressure, steering angle, and yaw — but it has never known the one number that ties all of them together: how much friction the tire can actually generate on the current surface.
POLYN's third-party test shows why that number matters. Braking from 40 km/h (25 mph) on wet basalt pavement, a vehicle equipped with VibroSense stopped in 55.5 meters (182 feet). Without it, the same vehicle needed 63.2 meters (207 feet) — a 12% reduction, or more than one full car length. For an independent shop, that is the difference between a customer walking away and a collision that lands on the shop's insurance.
The technology is tire-agnostic and requires only simple calibration per tire tread to learn its unique vibration signature. POLYN's timeline calls for a commercially available chip in mid-2027, followed by automotive qualification.
What This Means for Independent Shops and TPMS Work
For now, this is an engineering milestone, not a product you can order tomorrow. But it maps directly onto the equipment shops already own. Every friction-aware sensor still has to be activated, read, and relearned the same way today's TPMS diagnostic tools handle pressure and temperature sensors.
First, tire service is about to get more data-heavy. When friction data reaches production, a routine tire rotation or replacement will involve sensors that report more than pressure — and customers will expect shops to explain it. The shops that already run TPMS relearn and programming tools will absorb the change with minimal friction of their own.
Second, programmable sensors will matter more, not less. A sensor that carries a friction model for its tread means replacing a worn tire requires recalibrating that model. Shops that stock programmable TPMS sensors and understand how to flash and clone them will be positioned to handle the calibration step when it arrives.
Third, ADAS work will pull wheel data into the calibration bay. Friction data feeds directly into the braking and stability systems that ADAS calibration targets. Shops already investing in professional diagnostic tools with ADAS and TPMS capability will be the ones that can service the smarter tire without a dealer visit.
What to Expect — and When
The realistic timeline is two to three years. A mid-2027 tapeout means working silicon in the hands of sensor makers first, then automotive qualification, then gradual rollout on premium and EV platforms before it trickles into mainstream models. Independent shops will see friction-aware tires appear in their bays toward the end of the decade.
What is certain is the direction: the tire is moving from a dumb consumable to a networked sensor platform, and the shop that reads that data cleanly will own the service lane. The pressure and temperature readings you pull today are the foundation; friction, wear, and load are the next layers.
Written by James Mitchell, Senior Technical Editor at vxdas.com
