Research Article

Impact of Tuned Mass Dampers and Electromagnetic Tuned Mass Dampers on Geometrically Nonlinear Vibrations Reduction of Planar Cable Robots

Table 1

Dynamic system parameters.

ParametersDescriptionValuesUnits

First degree of freedom (end effector)
End effector mass0.5225kg
Mass-air friction coefficient0.0031N/(m/s)
Cable spring constant25000N/m
Viscous coefficient of friction of the cable90N/(m/s)
Extra tension due to weight of 1st dof3.4N
Original length of cables1.06M
Pretension in the cables10N

Second degree of freedom (damper mass)
Damper mass0.067kg
Spring constant in damper12N/m
Viscous coefficient of friction of the damper0.4N/(m/s)
Dry friction coefficient of the damper0.1Dimensionless
Electromechanical coupling coefficient2.65V/(m/s)
Coil electrical resistance85.15
Electric load resistance20