The tyre pressure monitoring system (TPMS) in a car is designed to alert the driver if one or more of the tyres are considerably under-inflated and could lead to hazardous driving conditions. On the instrument panel of the dashboard, a yellow sign in the form of a tyre cross-section (which resembles a horseshoe) with an exclamation point flashes when the tyre pressure is low. The anti-lock brake system’s wheel speed sensors are often used by an indirect TPMS.
On-board computer systems can employ these sensors to compare wheel revolution rates between individual wheels as well as to other vehicle operation data, such as speed.
The air pressure in a vehicle’s pneumatic tyres is monitored by a tire-pressure monitoring system (TPMS). Using a gauge, a pictogram display, or a straightforward low-pressure warning light, a TPMS provides the driver with real-time tire-pressure information.
Direct (dTPMS) and indirect TPMS are the two categories into which TPMS can be split (iTPMS). Indirect TPMS (iTPMS) systems estimate and monitor tyre pressure without the use of physical pressure sensors in the wheels because they employ software-based systems that combine and analyse existing sensor information such wheel speeds, accelerometers, and driveline data.
The premise behind the first-generation iTPMS devices is that under-inflated tyres have a little smaller diameter (and therefore a higher angular velocity) than properly inflated tyres.
Direct pressure measurement, transmission, and display are all features of the Tire Pressure Monitoring System (TPMS). A comparable signal informs the motorist of a serious situation.
The Global Automotive TPMS Sensor market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
The “next stage” in tyre sensing, according to Sensata Technologies, is the introduction of a new tire-mounted sensor.
The sensor, which is directly mounted to the inner liner of the tyre, can measure the force with which the tyre is impacting the ground in addition to monitoring tyre pressure, according to Sensata in a release on 30 November.
The sensor, scheduled for release in 2023, can also recognise the tyre’s brand and model and gives data continuity for the specific tyre throughout its entire cycle
Sensata claims that the technology can increase driving range, fuel economy, tyre life, and safety.
The TPMS directly measures the tire pressure on the wheel. Battery-powered sensors that are built into the valve and positioned on the rim measure the tire’s inflation pressure and transmit a high-frequency signal carrying encoded data to a receiver. The data is subsequently processed by specialised software in the control device and shown on a display on the instrument panel.
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