Optimization Design of Positioning Precision for Howitzer Shell Transfer Arm with Parameter Uncertainity

doi:10.3969/j.issn.1000-1093.2014.06.004

Abstract

Abstract: An optimization design method is proposed to indirectly improve the reliability of positioning precision for shell transfer arm in ammunition automatic loading system with uncertain parameters. The main uncertain factors that influence the positioning performance are analyzed. Space is transformed, and Latin hypercube sampling is applied for the uncertain variables. The error weights are calculated according to the distances from sampling points to the mean point in the transformed space. An electromechanical model is established with MATLAB/Simulink, and the simulations are run for every sampling point to get the positioning errors. The weighted sum of these errors is calculated as a performance index. This performance index is optimized using particle swarm algorithm. This method has remarkable optimization effect and good computational efficiency.

Key words: ordnance science and technology, shell transfer arm, Simulink modeling, uncertain parameter, reliability, particle swarm optimization

CLC Number:

TG156

GAO Xue-xing, SU Zhe-zi, SUN Hua-gang, HOU Bao-lin. Optimization Design of Positioning Precision for Howitzer Shell Transfer Arm with Parameter Uncertainity[J]. Acta Armamentarii, 2014, 35(6): 776-781.

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