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APPLICATIONS OF VERTICAL ACCELERATION RECORDS ACQUIRED AT THE CENTERS OF THE VEHICLE WHEELS

Author(s):
1. Danijela Miloradović, Faculty of Engineering, University of Kragujevac, Sestre Janjić 6, 34000 Kragujevac, Srbija 2IMW Ins, Serbia
2. Rajko Radonjić, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia
3. Jasna Glišović, Fakultet inženjerskih nauka Univerziteta u Kragujevcu, Serbia


Abstract:
The coupling between experimental and theoretical dynamics of the vehicle occurs already at the level of the recorded vertical accelerations at the centres of the wheels, reflecting the interface between dynamics of vehicle, road and environment. Vertical accelerations measured at the centres of vehicle wheels are, in fact, the state variables of vehicle dynamical system. Vertical acceleration at the wheel centre interlinks with the other state variables and inputs, making a starting point for monitoring the vehicle’s mechanical and functional couplings. This paper reviews possible applications of vertical acceleration records acquired at the wheel centres in consideration of direct couplings between vertical accelerations at the centres of the wheels, spectral analysis of corresponding frequency response functions and couplings with vertical acceleration of vehicle suspension elements. Applications also include indirect determination of vertical wheel loads, vehicle excitation spectra due to road roughness and relative displacements of suspension systems.

Key words:
vehicle,vertical wheel acceleration,application

Thematic field:
Automotive and Traffic Engineering

Date of abstract submission:
06.03.2015.

Conference:
12th International conference on accomplishments in Electrical and Mechanical Engineering and Information Technology (DEMI 2015)

Final paper

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