The system uses the basic direct tire pressure monitoring sensor mounted on the wheel to measure 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 tire(s) are in a low pressure state.
Martin Thoone, vice president of electronic engineering at TRW, said: "The advantage of the system is that it has an advanced automatic positioning system that eliminates the need for additional electronic hardware that was previously used for positioning sensors. In addition, receivers can be configured inside the vehicle to reduce the cost of the housing. This is an automatic positioning system that we currently use most economically."
Similar to TRW's existing direct tire pressure monitoring system (dTPMS), this technology consists of four basic sensors mounted 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.
Mr. Thoone concluded: “At present, TRW supplies its customers with non-direct tire pressure monitoring systems, but we believe that direct tire pressure monitoring is the best technical solution to ensure tire safety, reduce CO2 emissions and improve fuel consumption. Existing or potential mandatory regulations in Asia, the market for this product will continue to grow in the next five to ten years, and we will continue to develop the dTPMS technology portfolio to provide customers with more economical and applicable solutions.This release of the new hybrid tire pressure Monitoring technology is an important step in this direction."
TRW expects that the hybrid TPMS system will be put into mass production in 2013.
In the construction project, the large water mouth mold plays a crucial role. As a kind of support structure, the large water mouth mold has significant significance in ensuring the safety and stability of the project and improving the construction efficiency. This paper will introduce the related problems of large water mouth mold frame in detail to help readers better understand its application in construction engineering.
Large water mouth mold erection originated in the early 20th century, with the rapid development of the construction industry, its application gradually popularized. The large water frame is mainly used in the construction of large structures such as Bridges, high-rise buildings, factories, etc., to provide reliable support for reinforced concrete structures. The mold frame is composed of steel members and support system, which has high bearing capacity and stability.
In the construction project, the application scenarios of large water mouth mold are wide. For example, in bridge construction, the large water mouth mold can provide reliable support for the pier, beam plate and other parts of the bridge; In the construction of high-rise buildings, the large water frame can be used for cast-in-place floor slab and prefabrication of wall and column. In the construction of the plant, the large water mouth mold can be used to support the large-span beam, column and other parts.
The advantages of large water mouth die frame mainly include: improve construction efficiency, reduce labor intensity, save materials, shorten the construction period and so on. At the same time, there are also some shortcomings, such as high one-time investment costs, the need for professional design and installation teams. In view of these problems, the construction unit should fully consider the needs of the project and its own conditions, weigh the advantages and disadvantages, and choose the appropriate large water mouth mold scheme.
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Shuaigang Mould Base (Yixing) Co., Ltd , https://www.shmouldbase.com