Engineering Mechanics

Proceedings Vol. 26 (2020)

ENGINEERING MECHANICS 2020

Copyright © 2020 Brno University of Technology Institute of Solid Mechanics, Mechatronics and Biomechanics

 

Zindulka M., Strecker Z., Jeniš F.
pages 548 - 551, full text

This paper deals with the simulation of a seat suspension with a magnetorheological (MR) damper for agricultural machines. The dynamic model of the seat is a single degree of freedom model with non-linear damping characteristics and response time of the damper. In the model, three control algorithms were implemented - two-state Skyhook, Skyhook linear approximation damper control, and Acceleration Driven Damper control. The excitation signal for the model was a real record of acceleration measured on the frame of the tractor. The suspension quality was compared using a standard deviation of acceleration. Results have proven significant improvement in suspension quality when any of the three mentioned algorithms was used.

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