The paper presents a new gearbox dynamic model for the effective simulation of simultaneous multi-clutches lock/unlock, by exploiting the Power-Oriented Graphs (POG) modeling technique. The generalized structure of the proposed model allows to simulate various gearbox configurations, which may foresee a change in terms of equivalent moment of inertia on the primary or secondary shaft, depending on the internal clutches configuration being function of the currently engaged gear. The peculiarity of the model lies in the instantaneous engagement of the new gear by skipping the slipping transient related to change of the internal clutches configuration, while preserving the natural loss of energy associated to it. The effectiveness of the presented gearbox model is finally tested and compared with classical gearbox modeling solutions with the aid of some simulation results.

Instantaneous Gearshift Model Based on Gear-dependent Angular Momentum / Tebaldi, Davide; Zanasi, Roberto. - 53:2(2020), pp. 13952-13957. (Intervento presentato al convegno 21st IFAC World Congress 2020 tenutosi a Berlin, Germany nel 11-17 July 2020) [10.1016/j.ifacol.2020.12.912].

Instantaneous Gearshift Model Based on Gear-dependent Angular Momentum

Davide Tebaldi
;
Roberto Zanasi
2020

Abstract

The paper presents a new gearbox dynamic model for the effective simulation of simultaneous multi-clutches lock/unlock, by exploiting the Power-Oriented Graphs (POG) modeling technique. The generalized structure of the proposed model allows to simulate various gearbox configurations, which may foresee a change in terms of equivalent moment of inertia on the primary or secondary shaft, depending on the internal clutches configuration being function of the currently engaged gear. The peculiarity of the model lies in the instantaneous engagement of the new gear by skipping the slipping transient related to change of the internal clutches configuration, while preserving the natural loss of energy associated to it. The effectiveness of the presented gearbox model is finally tested and compared with classical gearbox modeling solutions with the aid of some simulation results.
2020
14-apr-2021
21st IFAC World Congress 2020
Berlin, Germany
11-17 July 2020
53
13952
13957
Tebaldi, Davide; Zanasi, Roberto
Instantaneous Gearshift Model Based on Gear-dependent Angular Momentum / Tebaldi, Davide; Zanasi, Roberto. - 53:2(2020), pp. 13952-13957. (Intervento presentato al convegno 21st IFAC World Congress 2020 tenutosi a Berlin, Germany nel 11-17 July 2020) [10.1016/j.ifacol.2020.12.912].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1242055
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