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- Title
Skyhook Control Law Extension for Suspension with Nonlinear Spring Characteristics.
- Authors
Zając, Kamil; Kowal, Janusz; Konieczny, Jarosław
- Abstract
This work aimed to improve the vehicle body stability and the ride comfort of the tracked military vehicle crew. For this purpose, magnetorheological fluid dampers were used. This process has made the theoretical model of the tracked platform a semi-active suspension system. This modification allows for the application of different control laws to these systems. The usage of the continuous skyhook control law assumes the influence of three fictitious viscous dampers. Their force in this conceptual model is replicated by the magnetorheological dampers of the suspension in the real system. However, the continuous skyhook control law does not take into consideration the nonlinear stiffness characteristics. In this paper, the continuous skyhook control law has been appropriately modified. The modification takes into consideration the nonlinearity of the stiffness characteristics. Applying the modified continuous skyhook control law improves the stability of the vehicle body and the vehicle crew's ride comfort. All these goals had to be introduced due to the modernization of the tracked military vehicle suspension by replacing the torsion bars with spiral spring packages with nonlinear characteristics.
- Subjects
MAGNETORHEOLOGICAL dampers; MAGNETORHEOLOGICAL fluids; MOTOR vehicle springs &; suspension; CONCEPTUAL models; ARMORED military vehicles; MILITARY vehicles
- Publication
Energies (19961073), 2022, Vol 15, Issue 3, p754
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en15030754