Optimization of Frictionless Cylinder-structure Based on PSO

doi:10.16182/j.issn1004731x.joss.201809043

Abstract

Abstract: Aerostatic frictionless cylinder is the critical component of pneumatic gravity compensation device, the key of its design is to take all related factors into consideration for optimum performance. To optimize the structure of aerostatic frictionless cylinder, the optimal parameters in the cylinder are proposed, which maximizes the bearing capacity in radial direction and keeps the leakage at a relatively low level. Through analyzing the structure of the aerostatic frictionless cylinder, a mathematic model of the aerostatic frictionless cylinder is deduced. Based on simulations, the relationship during the structural parameters, the bearing capacity and the leakage is acquired. It is possible to calculate a group of relatively optimal parameters by particle swarm optimization algorithms(PSO). This analysis method and results play an effective role in guiding the structural design of theaerostatic frictionless cylinder.

Key words: aerostatic frictionless cylinder, structure optimization, bearing capacity, PSO

CLC Number:

TP241.3

Liu Yu, Zhao Gouxin. Optimization of Frictionless Cylinder-structure Based on PSO[J]. Journal of System Simulation, 2018, 30(9): 3564-3570.

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