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Analysis of Pressure Variation in Wheel Using Statistical Methods
ISSN: 0148-7191, e-ISSN: 2688-3627
Published November 21, 2019 by SAE International in United States
This content contains downloadable datasetsAnnotation ability available
Event: NuGen Summit
Tire is one of the significant components of the vehicle, and so its characteristics for proper functioning of vehicle. Tire characteristics relies on number of factors including pressure in tire, construction of the tire and thread pattern. Of these, the factor of our interest is tire pressure. Maintaining proper tire pressure becomes necessity, as it causes several undesired effects which in turn affect the motorcycle performance. Hence, pressure variations should be detected as one of the safety measures.
Wheel speed based detection of tire pressure is not observed before in motorcycles. In this approach only, software algorithm is needed to complete the system to measure pressure, no extra hardware is required.
The paper presents a method to analyze variation in tire pressure by using the wheel speed sensor. The idea is to detect pressure variations in the wheel with respect to nominal pressure using data obtained from wheel speed sensor. The data is captured by varying pressure in two tires and measuring the wheel speed based on Design of Experiments (DoE). The method compares the wheel speed of front and rear wheel of the two-wheeler. At first, the errors in the data is chopped down by using band pass filter and then data is smoothened by using Moving Average method. The relative variation is then analyzed by using various statistical techniques and then correlated to the pressure.
CitationMarwadi, R., Mandhana, A., and Basavarajappa, R., "Analysis of Pressure Variation in Wheel Using Statistical Methods," SAE Technical Paper 2019-28-2450, 2019.
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