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Primary–auxiliary Model Scheduling Based Estimation of the Vertical Wheel Force in a Full Vehicle System by Xueke Zheng; Runze Cai; Shuixin Xiao; Yu Qiu; Jun Zhang; Mian Li is a Engineering article available to read on EtoBox.

What is Primary–auxiliary Model Scheduling Based Estimation of the Vertical Wheel Force in a Full Vehicle System about?

In this work we study the estimation problem of the vertical wheel force in a vehicle system subject to non-stationary and unknown excitation, which is a common and critical problem in vehicle durability design. The vehicle system can be approximated by a linear time invariant system under each working condition. However, the working conditions are unknown during the estimation process. A primary–auxiliary model scheduling procedure based on time-domain transmissibilities is proposed and performed to identify the unknown working conditions and estimate the unknown vertical wheel force: In addition to constructing a primary transmissibility family from the pseudo-inputs to the output during the offline stage, an auxiliary transmissibility family is constructed by further decomposing the pseudo-input vector into two parts. The auxiliary family enables identifying the unknown working condition under which the system is currently running, and then an appropriate transmissibility from the primary transmissibility family for estimating the unknown output can be selected during the online estimation stage. Moreover, Finite Impulse Response (FIR) models, ridge regression, and Bayes classif

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Author

Xueke Zheng; Runze Cai; Shuixin Xiao; Yu Qiu; Jun Zhang; Mian Li

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)