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Study of Simulation Technology for Limit Drivability

Article of Honda R&D Technical Review Vol.14 No.1

Summary

Using conventional technology, it used to be difficult to calculate vehicle behavior in a limit handling situation by mechanical system analysis and predict that behavior with a high degree of accuracy. A method using tire modeling based on Magic Formula has been developed, which has been optimized for limit behavior, and accounts for lateral tire deflection. From a vehicle standpoint, a method using car modeling based on conventional vehicle model has been developed for improvement of the suspension rate and traction torque control. These measures have made it possible to perform mechanical system analysis calculation of vehicle handling behavior up to the limit. As a result, it has become possible to attain a high degree of accuracy in predicting vehicle limit behavior in turns, which is one of the dynamic characteristics for limit drivability.

Reference

(1) Fiala, E.: SeitenkrafteamRollenden Luftreifen, VDI, Vol. 96, No. 29 (1954)
(2) Gim, G., Nikravesh, P.E.: An Analytical Model of Pneumatic Tires for Vehicle Dynamic Simulations. Part 1: Pure Slips, International Journal of Vehicle Design, Vol. 11, No. 6, pp. 589–618 (1990)
(3) Pacejka, H.B.: The Tyre as a Vehicle Component, XXVI FISITA Congress, Prague, June, pp. 16–23 (1996)
(4) Maurice, J.P., Pacejka, H.B.: Dynamic Tyre Response to Yaw Angle Variations, AVEC 9836833

Author (organization or company)

Takayuki TOYOSHIMA(Tochigi R&D Center)、Yasuhiro MIYATANI(Tochigi R&D Center)、Yuji SATO(Tochigi R&D Center)、Shinta ARAI(Tochigi R&D Center)

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