AAC 2019 Paper Abstract

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Paper TuAT2.3

HAMROUNI, Emna (IMS - Univ. Bordeaux), MOREAU, Xavier (University of Bordeaux, FRANCE), Benine Neto, André (IMS Laboratory), Hernette, Vincent (PSA Peugeot Citroen)

Skyhook and CRONE Active Suspensions : A Comparative Study

Scheduled for presentation during the Invited Session "Vehicle Suspension Control I" (TuAT2), Tuesday, June 25, 2019, 11:10−11:30, Chenonceau

9th IFAC International Symposium on Advances in Automotive Control, June 23-27, 2019, Orléans, France

This information is tentative and subject to change. Compiled on March 28, 2024

Keywords Active Chassis Systems: Brake, Steering, Suspension Systems

Abstract

This paper presents a comparison of control methods for active suspensions in the context of Connected Automated Vehicle (CAV) which are devised with a generic hierarchical architecture for Global Chassis Control (GCC). Such architecture is composed of a supervisory level which allows the estimation of the comfort operating domain. The rear suspension of a Citroën C4 Picasso is described by a two-degrees-of-freedom (d-o-f) quarter vehicle model. Firstly, an optimal Skyhook controller is designed taking into account suspension functions (sprung mass acceleration, deflection and tyre deformation). Then, the Skyhook is approached from the point of view of a controller design, for comparative purposes with a first generation CRONE controller (Robust Control Frequency Synthesis), which is introduced as a generalized form for the suspension. For road and driver disturbances, performances in terms of suspension functions are juxtaposed to those of the degraded operation mode of the active system (failure of the control). Simulation results show better performances of active suspension with the first generation CRONE controller compared to the Skyhook one.

 

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