20240053231. SYSTEM AND METHOD FOR ESTIMATING TIRE WEAR USING ACOUSTIC FOOTPRINT ANALYSIS simplified abstract (Bridgestone Americas Tire Operations, LLC)
SYSTEM AND METHOD FOR ESTIMATING TIRE WEAR USING ACOUSTIC FOOTPRINT ANALYSIS
Organization Name
Bridgestone Americas Tire Operations, LLC
Inventor(s)
Thomas A. Sams of Akron OH (US)
SYSTEM AND METHOD FOR ESTIMATING TIRE WEAR USING ACOUSTIC FOOTPRINT ANALYSIS - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240053231 titled 'SYSTEM AND METHOD FOR ESTIMATING TIRE WEAR USING ACOUSTIC FOOTPRINT ANALYSIS
Simplified Explanation
- Systems and methods for estimating tire wear based on acoustic footprint analysis are disclosed in this patent application. - Tire-mounted sensors provide signals corresponding to the dynamic mechanical behavior of the tire. - A computing device constructs spectra comprising time and frequency content of the signals and compares them with predetermined spectra associated with an unworn version of the tire. - Graphical features of the spectra associated with the footprint region of the tire are extracted as indicators of stiffness change, allowing for the estimation of tire wear state. - Exemplary graphical features may include high frequency energy signatures at the footprint region, signal damping signatures at a trailing edge of the footprint region, increased energy signatures in a tread passage frequency band at the footprint region, and more.
Potential Applications
- Automotive industry for monitoring tire wear and predicting maintenance needs. - Fleet management companies for optimizing tire usage and reducing costs. - Tire manufacturers for quality control and performance monitoring.
Problems Solved
- Provides a non-intrusive method for estimating tire wear without physical inspection. - Allows for early detection of tire wear issues before they become safety hazards. - Enables proactive maintenance scheduling to prevent unexpected tire failures.
Benefits
- Improved safety on the road by ensuring tires are replaced at the right time. - Cost savings for vehicle owners and fleet operators by optimizing tire usage. - Enhanced performance and longevity of tires through timely maintenance.
Original Abstract Submitted
systems and methods are disclosed herein for estimating tire wear based on acoustic footprint analysis. tire-mounted sensors provide signals corresponding to dynamic mechanical behavior of the tire, and a computing device graphically constructs spectra comprising time and frequency content of the signals and implements models comprising predetermined spectra associated with an unworn version of the tire for comparison with the graphically constructed spectra for a footprint region of the tire. graphical features of the spectra associated with the footprint region of the tire are extracted as predefined indicators of stiffness change based on the comparison, wherein tire wear state is estimated based on the extracted graphical features. exemplary graphical features may include high frequency energy signatures at the footprint region, signal damping signatures at a trailing edge of the footprint region, increased energy signatures in a tread passage frequency band at the footprint region, and the like.
