Robust Sampled-Data H∞ Control for Vehicle Active Suspension Systems

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Gao, Huijun, Sun, Weichao and Shi, Peng (2010) Robust Sampled-Data H∞ Control for Vehicle Active Suspension Systems. IEEE Transactions on Control Systems Technology, 18 (1). pp. 238-245. ISSN 1063-6536


This brief investigates the problem of robust sampled- data H∞ control for active vehicle suspension systems. By using an input delay approach, the active vehicle suspension system with sampling measurements is transformed into a continuous- time system with a delay in the state. The transformed system contains non-differentiable time-varying state delay and polytopic parameter uncertainties. A Lyapunov functional approach is employed to establish the H∞ performance, and the controller design is cast into a convex optimization problem with linear matrix inequality (LMI) constraints. A quarter-car model is considered in this brief and the effectiveness of the proposed approach is illustrated by a realistic design example.

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Item type Article
DOI 10.1109/TCST.2009.2015653
Official URL
Subjects Historical > Faculty/School/Research Centre/Department > Institute for Logistics and Supply Chain Management (ILSCM)
Historical > FOR Classification > 0802 Computation Theory and Mathematics
Historical > SEO Classification > 970108 Expanding Knowledge in the Information and Computing Sciences
Keywords ResPubID19951, active suspension system, convex polytope, H∞ control, parameter uncertainty, sampled-data control
Citations in Scopus 339 - View on Scopus
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