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h-TPMS: a hybrid tire pressure monitoring system for road vehicles
Mechatronics ( IF 3.1 ) Pub Date : 2021-02-03 , DOI: 10.1016/j.mechatronics.2021.102492
Simone Formentin , Luca Onesto , Tommaso Colombo , Alessandro Pozzato , Sergio M. Savaresi

Since under-inflated wheels may lead to unsafe driving conditions, in many countries all the new cars must be equipped with tire pressure monitoring systems (TPMS). Such devices can be “direct”, in case air pressure sensors are employed, or “indirect”, if low tires are detected by comparing relative wheel speeds, typically via already available speed sensors. While the former are perfectly suited but costly, the latter are cheaper but they typically cannot be used to detect four deflated wheels. In this work, we present a “hybrid” solution, which is able to estimate the pressure of all four wheel by employing a single pressure sensor. Then, such a solution turns out to be a good trade-off between the systems cost and the measurement performance. The effectiveness of the approach is illustrated via experimental tests carried out on a real vehicle setup.



中文翻译:

h-TPMS:用于公路车辆的混合轮胎压力监测系统

由于充气不足会导致不安全的驾驶条件,因此在许多国家/地区,所有新车都必须配备胎压监测系统(TPMS)。如果采用空气压力传感器,则此类设备可以是“直接”,如果通过比较相对车轮速度检测到低轮胎(通常是通过已经可用的速度传感器),则这些设备可以是“间接”。尽管前者非常适合但价格昂贵,但后者更便宜,但通常无法用于检测四个气的车轮。在这项工作中,我们提出了一种“混合”解决方案,该解决方案能够通过使用单个压力传感器来估算所有四个车轮的压力。然后,这种解决方案证明是系统成本与测量性能之间的良好折衷。

更新日期:2021-02-03
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