Dynamic Characteristics Analysis and Test of Dual-Driving Feed System Driven by Center of Gravity

Table 5

Comparison between simulation results and practical measurement results.

Displacement in -axis ()	Height of center of gravity (mm)	Maximum simulation results (°)	Maximum experiment pitch error (°)	Relative error
0	0			3.6%
	0			3.0%
	0			6.5%
0	150			5.9%
0	300			14.7%
	150			6.2%
	300			13.5%
	150			5.2%
	300			14.1%
Maximum variation by displacement in -axis	—			11.9%
Maximum variation by height of center of gravity in -axis	—			17.1%