Research on Off-line Parameter Self-optimizing Method for Digital Control Servo System based on Particle Swarm Optimization
Considering the dispersion of small signal flow characteristics of servo valve,the control parameters of electro-hydraulic servo system need to be matched and adjusted.An off-line self-optimizing method for electro-hydraulic servo system control parameters based on particle swarm optimization is proposed.The control system task book and manual debugging results decide optimization target characteristics,and the parameter optimization range is determined by the analysis results of servo system stability and statistics of batch production data envelopment.This parameter optimization method takes about 100-240 seconds.Compared with manual approaches,it can greatly improve the mass production debugging efficiency of the control parameters for electro-hydraulic servo system.
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