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Estimated tire forces can be used to implement unified-chassis-control (UCC) systems. This paper presents a scheme for longitudinal/lateral tire-force estimation. The longitudinal and lateral tire-force-estimation scheme has been designed, and this consists of the following five steps: vertical tire-force estimation, shaft torque estimation, longitudinal tire-force estimation based on a simplified...
The steer by wire system for vehicles has attracted much attention in recent years. Steer by wire systems provide many benefits in terms of functionality and at the same time present significant challenges too. It is essential to investigate the stability of steer by wire systems using a more sophisticated model rather than common approximated models. Fractional order modeling offers a good modeling...
The stability of the electric power steering system is analyzed on the basis of the mathematics model for pinion -and- rack steering system, the interference resistance is also studied by the way of fixing the steering wheel. The result shows that the stability of the system becomes poor gradually along with the increase of power ratio. The stability can be improved by PD control algorithm, but the...
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