Tiny Device Alerts You To Pump Up Your Tires
Below is a MRR and PLR article in category Vehicles -> subcategory Other.
Tiny Device Alerts You To Pump Up Your Tires
Overview
A revolutionary sensor is being developed to help prevent accidents caused by underinflated tires, thanks to a new federal safety mandate.
Introduction
Engineers are hard at work on a tiny sensor that aims to eradicate accidents due to low tire pressure. This initiative is driven by a new regulation from the National Highway Traffic Safety Administration (NHTSA), which requires all passenger vehicles to have tire-pressure monitoring systems by 2008. Automakers will start incorporating these systems in their 2006 models.
Opportunity for Innovation
The mandate provides a golden opportunity for manufacturers of micro-electro mechanical systems (MEMS). According to the American Society of Mechanical Engineers (ASME), the demand for MEMS tire-pressure sensors is expected to reach 70 million units annually.
How It Works
MEMS-based systems feature a sensor attached inside each wheel rim, measuring tire pressure and sending the data to a central receiver in the vehicle. This information is analyzed, and the tire pressure is displayed to the driver. If the pressure is too low, warning lights will alert the driver to the potential hazard.
Technical Specifications
The pressure sensor is a sophisticated device equipped with components such as a temperature sensor, voltage sensor, accelerometer, micro-controller, antenna, and battery. The NHTSA estimates the mandate will cost automakers around $48 to $69 per vehicle, depending on the technology used.
Current Developments
Engineers are focused on creating tire-pressure monitoring systems that are not only effective and affordable but also resilient to extreme temperatures, vibrations, and other road conditions. MEMS manufacturers are showcasing their prototypes to car and tire companies as they strive to meet the new requirements.
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