Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length

Igo J.M. Besselink; Aron J. Aertssen; Dhruv Thakkar; Carlo Lugaro

doi:10.1007/978-3-031-66968-2_18

Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length

Igo J.M. Besselink (Corresponding author), Aron J. Aertssen, Dhruv Thakkar, Carlo Lugaro

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

Three methods to experimentally determine specific tire characteristics are discussed. The vertical dynamic behavior of a rolling tire up to 10 Hz is analyzed using experiments with a prescribed, sinusoidal axle displacement. The transfer function between axle displacement and vertical axle force allows to identify stiffness, damping and effective mass. The identified vertical tire damping is a factor 2 to 3 higher than the 50 Ns/m typically used for passenger car tires. A rim fixed camera has been used to measure tire carcass deflections by tracking markers on the innerliner of the tire. Low speed experiments show that the lateral tire deflection correlates very well with the lateral tire force. The proposed method can be used to validate physical tire models and shows potential as a force sensor. The flat plank tire tester has been equipped with a motor that allows to prescribe the rotation of the wheel. This allows to perform a direct measurement of the longitudinal relaxation behavior by applying a longitudinal slip step. The experimentally obtained results are in line with theory and clearly show a decreasing relaxation length with increasing levels of longitudinal slip.

Original language	English
Title of host publication	Advances in Dynamics of Vehicles on Roads and Tracks III
Subtitle of host publication	Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada - Volume 2: Road Vehicles
Editors	Wei Huang, Mehdi Ahmadian
Publisher	Springer
Pages	176-184
Number of pages	9
ISBN (Electronic)	978-3-031-66968-2
ISBN (Print)	978-3-031-66967-5
DOIs	https://doi.org/10.1007/978-3-031-66968-2_18
Publication status	Published - 13 Oct 2024
Event	The 28th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks - Ottawa, Canada Duration: 21 Aug 2023 → 25 Aug 2023 Conference number: 28 https://iavsd2023.ca/

Publication series

Name	Lecture Notes in Mechanical Engineering (LNME)
ISSN (Print)	2195-4356
ISSN (Electronic)	2195-4364

Conference

Conference	The 28th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks
Abbreviated title	IAVSD 2023
Country/Territory	Canada
City	Ottawa
Period	21/08/23 → 25/08/23
Internet address	https://iavsd2023.ca/

Keywords

damping
deformation
measurements
relaxation length
stiffness
tire forces and moments

Access to Document

10.1007/978-3-031-66968-2_18

pdfFinal published version, 2.84 MBLicence: TAVERNE

Cite this

Besselink, I. J. M., Aertssen, A. J., Thakkar, D., & Lugaro, C. (2024). Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length. In W. Huang, & M. Ahmadian (Eds.), Advances in Dynamics of Vehicles on Roads and Tracks III: Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada - Volume 2: Road Vehicles (pp. 176-184). (Lecture Notes in Mechanical Engineering (LNME)). Springer. https://doi.org/10.1007/978-3-031-66968-2_18

Besselink, Igo J.M. ; Aertssen, Aron J. ; Thakkar, Dhruv et al. / Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length. Advances in Dynamics of Vehicles on Roads and Tracks III: Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada - Volume 2: Road Vehicles. editor / Wei Huang ; Mehdi Ahmadian. Springer, 2024. pp. 176-184 (Lecture Notes in Mechanical Engineering (LNME)).

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abstract = "Three methods to experimentally determine specific tire characteristics are discussed. The vertical dynamic behavior of a rolling tire up to 10 Hz is analyzed using experiments with a prescribed, sinusoidal axle displacement. The transfer function between axle displacement and vertical axle force allows to identify stiffness, damping and effective mass. The identified vertical tire damping is a factor 2 to 3 higher than the 50 Ns/m typically used for passenger car tires. A rim fixed camera has been used to measure tire carcass deflections by tracking markers on the innerliner of the tire. Low speed experiments show that the lateral tire deflection correlates very well with the lateral tire force. The proposed method can be used to validate physical tire models and shows potential as a force sensor. The flat plank tire tester has been equipped with a motor that allows to prescribe the rotation of the wheel. This allows to perform a direct measurement of the longitudinal relaxation behavior by applying a longitudinal slip step. The experimentally obtained results are in line with theory and clearly show a decreasing relaxation length with increasing levels of longitudinal slip.",

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Besselink, IJM , Aertssen, AJ, Thakkar, D & Lugaro, C 2024, Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length. in W Huang & M Ahmadian (eds), Advances in Dynamics of Vehicles on Roads and Tracks III: Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada - Volume 2: Road Vehicles. Lecture Notes in Mechanical Engineering (LNME), Springer, pp. 176-184, The 28th IAVSD International Symposium on Dynamics of Vehicles on Roads and Tracks, Ottawa, Canada, 21/08/23. https://doi.org/10.1007/978-3-031-66968-2_18

Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length. / Besselink, Igo J.M. (Corresponding author); Aertssen, Aron J.; Thakkar, Dhruv et al.
Advances in Dynamics of Vehicles on Roads and Tracks III: Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada - Volume 2: Road Vehicles. ed. / Wei Huang; Mehdi Ahmadian. Springer, 2024. p. 176-184 (Lecture Notes in Mechanical Engineering (LNME)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AB - Three methods to experimentally determine specific tire characteristics are discussed. The vertical dynamic behavior of a rolling tire up to 10 Hz is analyzed using experiments with a prescribed, sinusoidal axle displacement. The transfer function between axle displacement and vertical axle force allows to identify stiffness, damping and effective mass. The identified vertical tire damping is a factor 2 to 3 higher than the 50 Ns/m typically used for passenger car tires. A rim fixed camera has been used to measure tire carcass deflections by tracking markers on the innerliner of the tire. Low speed experiments show that the lateral tire deflection correlates very well with the lateral tire force. The proposed method can be used to validate physical tire models and shows potential as a force sensor. The flat plank tire tester has been equipped with a motor that allows to prescribe the rotation of the wheel. This allows to perform a direct measurement of the longitudinal relaxation behavior by applying a longitudinal slip step. The experimentally obtained results are in line with theory and clearly show a decreasing relaxation length with increasing levels of longitudinal slip.

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Besselink IJM , Aertssen AJ, Thakkar D, Lugaro C. Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length. In Huang W, Ahmadian M, editors, Advances in Dynamics of Vehicles on Roads and Tracks III: Proceedings of the 28th Symposium of the International Association of Vehicle System Dynamics, IAVSD 2023, August 21–25, 2023, Ottawa, Canada - Volume 2: Road Vehicles. Springer. 2024. p. 176-184. (Lecture Notes in Mechanical Engineering (LNME)). doi: 10.1007/978-3-031-66968-2_18

Measurement of tire vertical damping, carcass deflection and longitudinal relaxation length

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Keywords

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