TRW unveils new Tire Pressure Monitoring System technology

Jan. 1, 2020
TRW has developed a next-generation tire pressure monitoring system (TPMS) that combines several sensing technologies to provide automatic location functionality.
TRW has developed a next-generation tire pressure monitoring system (TPMS) that combines several sensing technologies to provide automatic location functionality.

It uses basic, wheel-mounted direct TPMS sensors to measure the pressure and temperature of the air inside a tire, and combines this with data from a vehicle’s ABS or ESC wheel speed sensors to provide an auto-location function and notify the driver which tire or tires may have low pressure.

“Our new hybrid system has the advantage of a premium auto-location system, but eliminates the need for the additional electronics hardware previously required to locate the sensor positions,” says Martin Thoone, vice president of electronics engineering.

“Furthermore, the receiver can be located inside the vehicle,” he adds, “which enables us to reduce housing costs – and therefore makes this our most affordable auto-location system yet.”

As with the company’s current direct TPMS systems, dubbed “dTPMS,” the new technology includes four basic wheel-mounted sensors to directly monitor the individual tire pressure levels, but eliminates the need for the electronic initiators previously required to locate the sensor positions. The receiver is typically mounted in the passenger compartment, and can identify tire locations by correlating data from the TPMS sensors and the vehicle’s ABS/ ESC sensors.

“Although we support customers with indirect TPMS systems, at TRW we believe that direct TPMS is the best technical solution for both tire safety and to help reduce CO2 emissions and improve fuel consumption,” Thoone says.

“With this market set to grow over the next five to ten years due to impending or potential regulations in Europe and Asia, we will continue to develop our dTPMS technology portfolio to offer a more affordable solution for our customers,” he notes. “Our new hybrid TPMS technology is an important step in this direction.”

It is expected to be ready for production in 2013.

For more information, visit www.trw.com.

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