Robust Optimization of Hydraulic Pump Stroking Mechanism Based on Monte Carlo Method

doi:10.3969/j.issn.1000-1093.2015.06.001

Abstract

Abstract: In order to ensure the robustness of stroking mechanism, the mean and standard deviation of dynamic tracking accuracy and stability index are taken as the optimization targets according to the special demand on stroking mechanism of tracked vehicle. A system dynamic model is established, and a new robust optimization method is built based on Monte Carlo method. Research shows that the dynamic tracking accuracy and stability of system can be guaranteed and the ability of system resistant to the change of structure parameters and fluid parameters can be enhanced by optimizing the nominal values of the feedback fork length, valve port gradient and piston area. The system robustness can be significantly improved.

Key words: ordnance science and technology, stroking mechanism, robust optimization, tracking accuracy

CLC Number:

TH137.51

WANG Hu-jiang，MAO Ming，TANG Shou-sheng，JI Hai. Robust Optimization of Hydraulic Pump Stroking Mechanism Based on Monte Carlo Method[J]. Acta Armamentarii, 2015, 36(6): 961-967.

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