Multi-parameter identification of soft recoil artillery launch process using IICCA

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Journal of Vibration and Shock ›› 2023, Vol. 42 ›› Issue (21) : 43-51.

ZHAO Wei1, HOU Baolin2, BAO Dan1

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Abstract

The soft recoil gun uses the forward rushing energy to offset part of the recoil energy so as to reduce the shock and vibration during the firing process. In order to further research the dynamic characteristic of soft recoil gun and solve the problem of multi-parameter identification of the dynamic model of the soft recoil gun during the firing process, a dynamic model of soft recoil gun is established based on the Bernoulli equation and an improved immune clone cuckoo algorithm (IICCA) is proposed. In the updating process, the algorithm introduces random crossover and high-frequency mutation to improve the local search ability of the algorithm, introduces adaptive operator to overcome the problem that the algorithm is not easy to obtain the best probability value, and introduces elite antibody extraction operator to improve the computational efficiency of the algorithm. Dynamic vaccination strategy is introduced and the antibody after vaccination is carried out according to the Lévy flight update strategy and nest parasitic behavior to further improve the algorithm convergence speed. The improved algorithm is tested by 5 multi-peak test functions. The results show that the improved algorithm has higher computational accuracy and faster convergence speed than immune clonal selection algorithm, immune genetic algorithm, adaptive particle swarm optimization and improved cuckoo search algorithm. Finally, the curve similarity between the identified results and the experimental results is as high as 97.02%, which shows that IICCA is effective and accurate in solving the multi-parameter identification problem of the soft recoil gun firing process.

Key words

soft recoil technology / Bernoulli equation / multi-parameter identification / immune clone selection / high frequency variation / vaccination / Lévy-flight / nest parasitism behavior

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ZHAO Wei1, HOU Baolin2, BAO Dan1. Multi-parameter identification of soft recoil artillery launch process using IICCA[J]. Journal of Vibration and Shock, 2023, 42(21): 43-51

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