Fig. 1 The proposed low-frequency vibration isolator: ( a ) overall structure, ( b ) GSU, ( c ) equilibrium configuration, and ( d ) displacement under excitation More about this image found in The proposed low-frequency vibration isolator: (a) overall structure, (b) G...

Fig. 2 Displacement of leg 1 from the initial position More about this image found in Displacement of leg 1 from the initial position

Fig. 3 Displacement of leg 1 from an equilibrium position under base excitation More about this image found in Displacement of leg 1 from an equilibrium position under base excitation

Fig. 4 Allowable excitation amplitude of the vibration isolator More about this image found in Allowable excitation amplitude of the vibration isolator

Fig. 5 Transmissibility of the vibration isolator at the equilibrium position θ = π /4 More about this image found in Transmissibility of the vibration isolator at the equilibrium position θ ...

Fig. 6 Transmissibility of the vibration isolator at different equilibrium positions More about this image found in Transmissibility of the vibration isolator at different equilibrium positio...

Fig. 7 Parameter selection for the vibration isolator with variable payloads: ( a ) M = 6 kg, ( b ) M = 12 kg, ( c ) M = 18 kg, and ( d ) M = 24 kg More about this image found in Parameter selection for the vibration isolator with variable payloads: (a) ...

Fig. 8 Transmissibility of the vibration isolator with different payloads More about this image found in Transmissibility of the vibration isolator with different payloads

Fig. 9 Correlation between the isolation stroke and payload capability: ( a ) stroke–payload curve and ( b ) transmissibility with different isolation strokes More about this image found in Correlation between the isolation stroke and payload capability: (a) stroke...

Fig. 10 Effect of air damping on the transmissibility of the vibration isolator with different payloads: ( a ) M = 6 kg and ( b ) M = 18 kg More about this image found in Effect of air damping on the transmissibility of the vibration isolator wit...

Fig. 11 Effect of joint friction damping on the transmissibility of the vibration isolator with different payloads: ( a ) M = 6 kg and ( b ) M = 18 kg More about this image found in Effect of joint friction damping on the transmissibility of the vibration i...

Fig. 12 Effect of gear friction damping on the transmissibility of the vibration isolator with different payloads: ( a ) M = 6 kg and ( b ) M = 18 kg More about this image found in Effect of gear friction damping on the transmissibility of the vibration is...

Fig. 13 msc adams model of the low-frequency vibration isolator: ( a ) overall model, ( b ) up-limit configuration, and ( c ) low-limit configuration More about this image found in msc adams model of the low-frequency vibration isolator: (a) overall model...

Fig. 14 Simulated accelerations with different equilibrium positions: ( a ) θ = π /6 and ( b ) θ = π /5 More about this image found in Simulated accelerations with different equilibrium positions: (a) θ = π ...

Fig. 15 Simulated accelerations with different frequencies: ( a ) f = 1 Hz and ( b ) f = 2 Hz More about this image found in Simulated accelerations with different frequencies: (a) f = 1 Hz and (b) ...

Fig. 16 Simulated accelerations with different payloads: ( a ) M = 6 kg and ( b ) M = 12 kg More about this image found in Simulated accelerations with different payloads: (a) M = 6 kg and (b) M ...

Fig. 17 Comparison between the analytical and simulated results: ( a ) accelerations with f = 1 Hz, ( b ) accelerations with f = 2 Hz, ( c ) cross-correlation of the platform accelerations with f = 1 Hz, and ( d ) cross-correlation of the platform acceleration with f = 2 Hz More about this image found in Comparison between the analytical and simulated results: (a) accelerations ...