Robust Optimal Design of a Propellant Transport Mechanism for In-place Consistency with Small-angle Propellant Transport

doi:10.3969/j.issn.1000-1093.2020.08.001

Abstract

Abstract: For a propellant transport mechanism with small-angle propellant transport and non-full charge transport, a robust optimal design method for propellant transport mechanism based on polynomial sparse chaos expansion (SPCE) is proposed. A dynamic model of a propellant transport mechanism is established, and the correctness and validity of the model are verified through experiment. A surrogate model of uncertainty input parameters for position of propellant transport is obtained using SPCE. Finally, a robust optimal design model of a propellant transport process is constructed with the target of minimizing the in-place and standard deviations. The optimization model is calculated with NSGA-Ⅱ algorithm. The results show that the in-place consistency is improved after optimization, and the standard deviation is reduced by 26.74% relative to initial deviation, thus proving the effectiveness of the method.

Key words: artillery, propellanttransportmechanism, small-anglepropellanttransport, in-placeconsistency, robustoptimaldesign

CLC Number:

TJ302

LIU Taisu, QIAN Linfang, CHEN Guangsong. Robust Optimal Design of a Propellant Transport Mechanism for In-place Consistency with Small-angle Propellant Transport[J]. Acta Armamentarii, 2020, 41(8): 1473-1482.

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