Optimization Design of Actuator Parameters in Multistage Reciprocating Compressor Stepless Capacity Control System Based on NSGA-II

Table 8

Comparison of parameters.

Items	Before optimization	After optimization	Drop rate
Vibration of ejection (m/s^2)	321	130	146.92%
Vibration of withdrawal (m/s^2)	138	92	50.00%
Closed angle (°)	253	267	−5.24%