How Does Tire Pressure Monitoring Work?
1 Answers
Tire pressure monitoring can be achieved through three methods: direct tire pressure monitoring, indirect tire pressure monitoring, and intelligent tire pressure monitoring. Each operates on different principles, as detailed below: Direct Tire Pressure Monitoring: Direct tire pressure monitoring systems use pressure sensors installed in each tire to directly measure the tire's air pressure. The pressure data is then transmitted wirelessly from inside the tire to a central receiver module, which displays the pressure readings for each tire. If the tire pressure is too low or if there is a leak, the system automatically triggers an alarm. Indirect Tire Pressure Monitoring: When a tire's pressure decreases, the vehicle's weight causes the affected wheel's rolling radius to become smaller, resulting in a faster rotation speed compared to the other wheels. By comparing the rotational speed differences between the tires, the system monitors tire pressure. Essentially, indirect tire pressure monitoring relies on calculating the rolling radius of the tires to assess pressure levels. Intelligent Tire Pressure Monitoring: This method combines the advantages of both direct and indirect systems. It utilizes sensors in diagonal tires and a four-wheel indirect system to monitor tire pressure.
