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Table 1 Parameters of the EEM in case studies

From: An Error Equivalent Model of Revolute Joints with Clearances for Antenna Pointing Mechanisms

Parameter Case 1 Case 2 Case 3
\(\Delta l\) (mm) 0 0.01 0.1
k1 (mm) [0, 0.05] [0, 1] [0, 1]
k2 (mm) [0, 0.05] [0, 1] [0, 1]
θ1 (rad) [0, 2π] [0, 2π] [0, 2π]
θ2 (rad) [0, 2π] [0, 2π] [0, 2π]
l (mm) 180 180 180