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Decentralized Controllers for the Steering and Velocity in Vehicles

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Vehicle Control Systems (VCS) for the lateral (steering) and longitudinal (velocity) dynamics are normally used to improve the handling properties of a vehicle. However, when different VCS operate simultaneously in the vehicle, the global performance could be degraded because of the cross-coupling dynamics. In this article the design of decentralized controllers for the steering and velocity subsystems is presented. The resulting control scheme reduces the cross/coupling among the steering and longitudinal dynamics. These results were achieved by proposing a more complete vehicle model and analyzing the cross-coupling using a multivariable analysis and design framework known as Individual Channel Analysis and Design (IChAD). These results can be extended for other coupled subsystems.




Hernandez-Alcantara, D., Amezquita-Brooks, L., & Morales-Menendez, R. (2017). Decentralized Controllers for the Steering and Velocity in Vehicles. IFAC-PapersOnLine, 50(1), 3708–3713.

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