Structural Optimization of Slender Robot Arm Based on Sensitivity Analysis

Table 3

Optimization design results.

Design variables	Optimal value (mm)	Optimization results
		Mass (kg)	Bending displacement (mm)	Equivalent stress (MPa)	Modal strain energy (mJ)	Natural frequency (Hz)
𝑥1	5.1842
𝑥3	4.7505
𝑥7	180.35	67.46	0.67	15.40	42.74	120.63
𝑥9	146.06
𝑥10	78.562