1. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Schematic of scissor seat showing position of the spring, damper, and mass

2. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Scissor seat—static deflection change as static load increases

3. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Scissor seat—effective stiffness change as load is increased

4. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Geometry of scissor mechanism showing relationship between z and y-x with changing scissor angle α

5. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Forces on scissor seat showing the spring and damper forces as a tan function of scissor angle α

6. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Experimental set up of scissor seat mounted on a hydraulic shaker, where (1) cushioned seat with 68 kg rigid mass, (2) scissor mechanism, (3) bearings for reduced friction, (4) horizontally mounted steel extension spring, (5) on-off computer controlled hydraulic damper, (6) rubber end stops, and (7) sensors—acceleration, relative velocity, relative displacement

7. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Experimental (dashed line) versus simulated response (solid line) of the scissor seat with damper switched off when subjected to a 50 mm ramp input for 0.2 s at constant 250 mm/s

8. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Experimental (dashed line) versus simulated response (solid line) of the scissor seat with damper switched on when subjected to a 50 mm ramp input for 0.2 s at constant 250 mm/s

9. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Measured tractor body acceleration at the attachment point of the seat

10. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Measured tractor body acceleration power spectral density (PSD)

11. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Simulation results of: Scissor seat with different damping constants from 0 to 1000 N s/m (◊); scissor seat with dead-band damping ranging from 300 to 600 N s/m when the damper is on (○); and linear seat with a spring rate of 5500 N/m and different damping constants from 0 to 1000 N s/m (▴)

12. Date of download: 11/9/2017
Copyright © ASME. All rights reserved.
From: Comparison of Simulation and Experimental Results of a Tractor Seat With Nonlinear Stiffness and Dead-Band Damping
J. Vib. Acoust. 2012;134(5): doi: /
Figure Legend:
Experiment and simulation results of the scissor seat: Simulated scissor seat with different damping constants from 0 to 1000 N s/m (◊); experimental scissor seat with different damping levels (▴); and experimental scissor seat with ± 10 mm dead-band damping (○)