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Table 2 Comparison between theoretical and simulation values of constraint forces

From: Force Analysis of the Overconstrained Mechanisms Based on Equivalent Stiffness Considering Limb Axial Deformation

Magnitude of the constraint forces

Theoretical value (N)

Simulation value (N)

Absolute error (N)

Relative error (%)

f1

−38.5398

−39.5548

1.015

2.5661

f2

53.7447

52.5488

1.1959

2.2758

f3

55.3749

55.1765

0.1984

0.3596

f4

24.4308

25.4113

0.9805

3.8585

f5

−33.6477

−32.4862

1.1615

3.5754

f6

−44.9902

−44.8267

0.1635

0.3647

f7

12.2836

12.3326

0.049

0.3973