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Vehicle simulation for the development of an active suspension system for an agricultural tractor

Grott, M, Biral, F, Sorniotti, A, Oboe, R and Vincenti, E (2010) Vehicle simulation for the development of an active suspension system for an agricultural tractor SAE International Journal of Commercial Vehicles, 2 (2). pp. 12-25.

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Abstract

The design of suspension systems for heavy-duty vehicles covers a specific field of automotive industry. The proposed work focuses on the design development of a front controllable suspension for an agricultural tractor capable to satisfy the system requirements under different operating conditions. The design of the control algorithms is based on the developed multibody model of the actual tractor, including the pitch motion of the sprung mass, the anti-dive effects during braking and forward-reverse maneuvers and the non-linear dynamics of the actuation system. For an advanced analysis, a novel thermo-hydraulic model of the hydraulic system has been implemented. Several semi-active damping controls are analyzed for the specific case study. Therefore, the most promising damping strategy is integrated with other control functions, namely a self-leveling control, an original control algorithm for the reduction of the pitch motion, an anti-impact system for the hydraulic actuator and an on-line adaptation scheme, which preserves an optimal damping ratio of the suspension, even against large variations in operating conditions.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
AuthorsEmailORCID
Grott, MUNSPECIFIEDUNSPECIFIED
Biral, FUNSPECIFIEDUNSPECIFIED
Sorniotti, AUNSPECIFIEDUNSPECIFIED
Oboe, RUNSPECIFIEDUNSPECIFIED
Vincenti, EUNSPECIFIEDUNSPECIFIED
Date : 2010
Identification Number : https://doi.org/10.4271/2009-01-1608
Depositing User : Symplectic Elements
Date Deposited : 28 Mar 2017 13:52
Last Modified : 28 Mar 2017 13:52
URI: http://epubs.surrey.ac.uk/id/eprint/795430

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