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Modelling and Simulation of a Hydrostatic Steering System for Agricultural Tractors

Author

Listed:
  • Barbara Zardin

    (Engineering Department Enzo Ferrari, University of Modena and Reggio Emilia, Via P. Allegri 10, 41124 Modena, Italy)

  • Massimo Borghi

    (Engineering Department Enzo Ferrari, University of Modena and Reggio Emilia, Via P. Allegri 10, 41124 Modena, Italy)

  • Francesco Gherardini

    (Engineering Department Enzo Ferrari, University of Modena and Reggio Emilia, Via P. Allegri 10, 41124 Modena, Italy)

  • Nicholas Zanasi

    (CNH Industrial, San Matteo, Viale delle Nazioni 55, 41100 Modena, Italy)

Abstract

The steering system of a vehicle impacts on the vehicle performance, safety and on the driver’s comfort. Moreover, in off-road vehicles using hydrostatic steering systems, the energy dissipation also becomes a critical issue. These aspects push and motivate innovation, research and analysis in the field of agricultural tractors. This paper proposes the modelling and analysis of a hydrostatic steering system for an agricultural tractor to calculate the performance of the system and determine the influence of its main design parameters. The focus here is on the driver’s steering feel, which can improve the driver’s behavior reducing unnecessary steering corrections during the working conditions. The hydrostatic steering system is quite complex and involves a hydraulic circuit and a mechanical mechanism to transmit the steering to the vehicle tires. The detailed lumped parameters model here proposed allows to simulate the dynamic behavior of the steering system and to both enhance the understanding of the system and to improve the design through parameters sensitivity analysis.

Suggested Citation

  • Barbara Zardin & Massimo Borghi & Francesco Gherardini & Nicholas Zanasi, 2018. "Modelling and Simulation of a Hydrostatic Steering System for Agricultural Tractors," Energies, MDPI, vol. 11(1), pages 1-20, January.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:1:p:230-:d:127593
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    References listed on IDEAS

    as
    1. Massimo Rundo & Alessandro Corvaglia, 2016. "Lumped Parameters Model of a Crescent Pump," Energies, MDPI, vol. 9(11), pages 1-23, October.
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    Cited by:

    1. Pedro Javier Gamez-Montero & Esteve Codina & Robert Castilla, 2019. "A Review of Gerotor Technology in Hydraulic Machines," Energies, MDPI, vol. 12(12), pages 1-44, June.

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