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Publication
Sensing methodologies to determine automotive damper condition under vehicle normal operation
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| Vehicles rely on the efficiency of dampers to dissipate energy from the motion of vehicle body and wheels, maintaining the vehicle more stable, and improving the contact between tires and the road surface. To achieve an effective monitoring of dampers (or shock absorbers), two different methodologies, capable of assessing, under vehicle normal operation, the condition of the automotive dampers are presented. The proposed methodologies are based in acceleration, temperature and pressure sensing to determine the shock absorber condition, and are therefore suitable for future implementation in low cost fabrication technologies. The results shown that it is possible to have an effective monitoring device, installed in the damper body, capable of continuously determining shock absorber status, and therefore enabling real time diagnosis. Such a diagnosis system can reduce the number of vehicles riding with defective suspension systems and increase the overall vehicle safety. | 1.66 MB | Adobe PDF |
Advisor(s)
Abstract(s)
Vehicles rely on the efficiency of dampers to dissipate energy from the motion of vehicle body and wheels, maintaining the vehicle more stable, and improving the contact between tires and the road surface. To achieve an effective monitoring of dampers (or shock absorbers), two different methodologies, capable of assessing, under vehicle normal operation, the condition of the automotive dampers are presented. The proposed methodologies are based in acceleration, temperature and pressure sensing to determine the shock absorber condition, and are therefore suitable for future implementation in low cost fabrication technologies. The results shown that it is possible to have an effective monitoring device, installed in the damper body, capable of continuously determining shock absorber status, and therefore enabling real time diagnosis. Such a diagnosis system can reduce the number of vehicles riding with defective suspension systems and increase the overall vehicle safety.
Description
Ventura, Paulo J.C. - Scopus ID: 57196569558
Keywords
Shock absorber Embedded system Smart sensor Vehicle safety
Citation
Carlos Ferreira, Paulo Ventura, Raul Morais, António L.G. Valente, Carlos Neves, Manuel C. Reis, Sensing methodologies to determine automotive damper condition under vehicle normal operation, Sensors and Actuators A: Physical, Volume 156, Issue 1, 2009, Pages 237-244, ISSN 0924-4247, https://doi.org/10.1016/j.sna.2009.03.035.
Publisher
Elsevier