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Recently, the United States TRW (Tianhe) Automotive Holdings announced that the company has developed a new generation of hybrid tire pressure monitoring system (TPMS), with the help of a combination of sensing technology to provide automatic positioning; It is reported that a new generation of hybrid tire pressure monitoring system The basic direct tire pressure monitoring sensor mounted on the wheel\ measures the air pressure and temperature in the tire, and combines the wheel speed sensor data of the vehicle ABS (anti-lock braking system) or ESC (electronic stability control) to provide an automatic positioning function. , inform the driver which tires are in low pressure.
"The advantage of this system is that it has an advanced automatic positioning system and does not need to be equipped with additional electronic hardware that was previously used to position sensors," said Martin Thoone, VP of TRW Electronic Engineering. "In addition, the receiver can be configured inside the vehicle to lower the housing." This is our current most affordable and automatic positioning system." 
Similar to TRW's existing direct tire pressure monitoring system (dTPMS), this technology consists of four basic sensors installed on wheels to directly monitor a single tire pressure level, eliminating the need for additional sensor electronics for positioning. The receiver is usually fitted in the passenger compartment and uses the data from the tire pressure monitoring sensors and the vehicle ABS/ESC sensors to identify where the tire pressure is lacking.
At present, Tianhe supplies its customers with non-direct tire pressure monitoring systems, but we believe that direct tire pressure monitoring is the best technology solution to ensure tire safety, reduce CO2 emissions, and improve fuel consumption. Given the existing or potential mandatory regulations in Europe and Asia, the market for this product will continue to grow over the next five to ten years, and TRW will continue to develop the dTPMS technology portfolio to provide customers with more affordable solutions. The new hybrid tire pressure monitoring technology announced this time is an important step in this direction. 
TRW expects that the hybrid TPMS system will be put into mass production in 2013.
Extensive reading:
There are two kinds of tire pressure monitoring systems: one is the indirect tire pressure monitoring system, which determines whether the tire is abnormal through the difference in the rotation speed of the tire; the other is the direct tire pressure monitoring system, which has four tires installed inside the tire. Pressure monitoring sensor, real-time automatic monitoring of tire pressure and temperature during the car is stationary or running, and timely alarms the tire high pressure, low pressure, high temperature, to avoid traffic accidents caused by tire failure to ensure traffic safety. Tire pressure monitoring system has become a hot spot for research and development in China's automotive electronics industry. In the next five years, 710 million tires worldwide are expected to install tire pressure monitoring sensors. China is a big consumer of automobiles. We believe that the government will formulate similar laws and regulations in the near future. The demand for TPMS has led to the emergence of a new industry.