Potential and Limitations of an Improved Method to Produce Dynamometric Wheels
AbstractA new methodology for the estimation of tyre-contact forces is presented. The new procedure is an evolution of a previous method based on harmonic elimination techniques developed with the aim of producing low cost dynamometric wheels. While the original method required stress measurement in many rim radial lines and the fulfillment of some rigid conditions of symmetry, the new methodology described in this article significantly reduces the number of required measurement points and greatly relaxes symmetry constraints. This can be done without compromising the estimation error level. The reduction of the number of measuring radial lines increases the ripple of demodulated signals due to non-eliminated higher order harmonics. Therefore, it is necessary to adapt the calibration procedure to this new scenario. A new calibration procedure that takes into account angular position of the wheel is completely described. This new methodology is tested on a standard commercial five-spoke car wheel. Obtained results are qualitatively compared to those derived from the application of former methodology leading to the conclusion that the new method is both simpler and more robust due to the reduction in the number of measuring points, while contact forces’ estimation error remains at an acceptable level. View Full-Text
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Bueno-López, J.L.; Cardenal, J.; Deibe, Á.; García de Jalón, J. Potential and Limitations of an Improved Method to Produce Dynamometric Wheels. Sensors 2018, 18, 541.
Bueno-López JL, Cardenal J, Deibe Á, García de Jalón J. Potential and Limitations of an Improved Method to Produce Dynamometric Wheels. Sensors. 2018; 18(2):541.Chicago/Turabian Style
Bueno-López, José L.; Cardenal, Jesús; Deibe, Álvaro; García de Jalón, Javier. 2018. "Potential and Limitations of an Improved Method to Produce Dynamometric Wheels." Sensors 18, no. 2: 541.