What are the advantages of a direct tire pressure monitoring system?
2 Answers
Direct tire pressure monitoring systems have the advantage of being able to measure the actual instantaneous pressure inside each tire at any time, making it easy to identify the faulty tire. The system uses pressure sensors installed in each tire to directly measure the tire pressure, and wireless transmitters send the pressure information from inside the tire to a central receiver module, which then displays the pressure data for each tire. When the tire pressure is too low or there is a leak, the system will automatically issue an alarm. Other tire pressure monitoring systems: Indirect tire pressure monitoring: When the pressure of a tire decreases, the weight of the vehicle causes the rolling radius of that wheel to become smaller, resulting in a faster rotation speed compared to the other wheels. By comparing the differences in rotation speed between the tires, the system monitors the tire pressure. Indirect tire pressure warning systems essentially rely on calculating the rolling radius of the tires to monitor pressure. Tire Pressure Monitoring System (TPMS): This combines the advantages of both systems mentioned above. Direct sensors are installed in two diagonally opposite tires, and a 4-wheel indirect system is also equipped. Compared to using only a direct system, this hybrid system can reduce costs and overcome the limitation of indirect systems, which cannot detect when multiple tires simultaneously have low pressure. However, it still cannot provide real-time data on the actual pressure inside all four tires as a direct system can.
I've been driving long distances for years, and the best thing about direct tire pressure monitoring systems is their incredible accuracy and reliability. Sensors inside the tires directly measure pressure and temperature, unlike older systems that rely on wheel speed to make guesses. This means that on the highway, as soon as the tire pressure drops, the alarm immediately flashes red, allowing me to stop and check in time, avoiding the risk of blowouts or skidding. I've tried driving on mountain roads in the scorching summer, and the system monitors temperature increases in real-time, preventing accidents caused by overheating tires. It also saves a lot on fuel consumption—when tire pressure is maintained within the correct range, rolling resistance is reduced, and fuel consumption can drop by about 5%, saving hundreds of dollars on gas over a year. Tire wear is more even, extending their lifespan and reducing the hassle of frequent replacements. Overall, it enhances driving safety, making nighttime or rainy driving much more reassuring.
