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Standard

SAE 2009-01-0074

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Résumé

An identification based approach to the design and implementation of a Kalman-filter feedback control method for the transient chassis dynamometer is presented. The requirements for torque controllers for high speed transient chassis dynamometers for road-load simulation are discussed. A common significant problem with feedback control in the conventional transient chassis dynamometer is due to resonances arising from the structural dynamics especially in the load centre linkage. A Kalman filter based filter and control method is proposed to address this issue and to provide significantly enhanced performance over that achieved by current controllers. Particular attention is paid to obtaining relative stability margins in all filter and control loops for robust torque feedback control by the use of H-infinity methods. The filter and controller designs are based on easily implementable identification methods. Experimental results for the implementation of the proposed control method are presented by application to a 1.2 m diameter roller chassis-dynamometer and the performance compared with US Environmental Protection Agency (EPA) standards.

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  • Standard de SAE International
  • Publié:
  • Type de document: IS
  • Pages
  • Editeur: SAE International
  • Distributeur: SAE International