Fig. 1 Schematic of a 2DoF torsional vibration system with a rotary electromagnetic shunt damper More about this image found in Schematic of a 2DoF torsional vibration system with a rotary electromagneti...

Fig. 2 Electrical–mechanical analogy of the R shunt More about this image found in Electrical–mechanical analogy of the R shunt

Fig. 3 Electrical–mechanical analogy of the RC shunt More about this image found in Electrical–mechanical analogy of the RC shunt

Fig. 4 Example of the gain plot of G 1 when R shunt (or P control) is used. Dotted and dashed lines show the cases of σ = 0 , ∞ . Solid lines show the case of R shunt. ( a ) Low electromechanical coupling ( μ = 1 , ψ = 2 ) and ( b ) high electromechanical coupling ( μ... More about this image found in Example of the gain plot of G 1 when R shunt (or P control) is use...

Fig. 5 Example of the gain plot of G 2 when R shunt (or P control) is used. Dotted and dashed lines show the cases of σ = 0 , ∞ . Solid lines show the case of R shunt. ( a ) Low electromechanical coupling ( μ = 2 , ψ = 2 ) and ( b ) high electromechanical coupling ( μ... More about this image found in Example of the gain plot of G 2 when R shunt (or P control) is use...

Fig. 6 Example of the gain plot of G 1 when RC shunt (or PI control) is used. Dotted and dashed lines show the cases of ζ = 0 , ∞ . Solid lines show the case of RC shunt. ( a ) Low electromechanical coupling ( μ = 1 , ψ = 2.5 ) ( b ) high electromechanical coupling ( ... More about this image found in Example of the gain plot of G 1 when RC shunt (or PI control) is u...

Fig. 7 Example of the gain plot of G 2 when RC shunt (or PI control) is used. Dotted and dashed lines show the cases of ζ = 0 , ∞ . Solid lines show the case of RC shunt. ( a ) Low electromechanical coupling ( μ = 1 , ψ = 2.5 ) and ( b ) high electromechanical coupling ... More about this image found in Example of the gain plot of G 2 when RC shunt (or PI control) is u...

Fig. 8 Switching lines (dashed: R shunt, dotted: RC shunt) of the analytical optimal solution for G 1 More about this image found in Switching lines (dashed: R shunt, dotted: RC shunt) of the analytical optim...

Fig. 9 Switching lines (dashed: R shunt, dotted: RC shunt) of the analytical optimal solution for G 2 More about this image found in Switching lines (dashed: R shunt, dotted: RC shunt) of the analytical optim...

Fig. 10 Magnitude of the frequency response of G 1 , case (a) More about this image found in Magnitude of the frequency response of G 1 , case (a)

Fig. 11 Magnitude of the frequency response of G 2 , case (a) More about this image found in Magnitude of the frequency response of G 2 , case (a)

Fig. 12 Magnitude of the frequency response of G 1 , case (b) More about this image found in Magnitude of the frequency response of G 1 , case (b)

Fig. 13 Magnitude of the frequency response of G 2 , case (b) More about this image found in Magnitude of the frequency response of G 2 , case (b)

Fig. 14 Magnitude of the frequency response of G 1 , case (c) More about this image found in Magnitude of the frequency response of G 1 , case (c)

Fig. 15 Picture of the developed 2DoF vibration system with synchronous motors More about this image found in Picture of the developed 2DoF vibration system with synchronous motors

Fig. 16 Schematic of the experimental setup More about this image found in Schematic of the experimental setup

Fig. 17 Experimental time response of the velocity of Δ θ . No control (upper) and shunt control (lower) are shown. More about this image found in Experimental time response of the velocity of Δ θ . No control (upper...

Fig. 18 Experimental frequency response (gain) of G 2 . Experimental (jagged) and predicted (smooth) lines are shown. Shunt control (solid) suppresses the peak over 27 dB from no control (dashed). More about this image found in Experimental frequency response (gain) of G 2 . Experimental (jagge...