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Threshold Strategy for Nonsmooth Filippov Stage-Structured Pest Growth Models

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  • Fengmei Tao
  • Baolin Kang
  • Bing Liu
  • Leilei Qu

Abstract

In order to control pests and eventually maintain the number of pests below the economic threshold, in this paper, based on the nonsmooth dynamical system, a two-stage-structured pest control Filippov model is proposed. We take the total number of juvenile and adult pest population as the control index to determine whether or not to implement chemical control strategies. The sliding-mode domain and conditions for the existence of regular and virtual equilibria, pseudoequilibrium, boundary equilibria, and tangent points are given. Further, the sufficient condition of the locally asymptotic stability of pseudoequilibrium is obtained. By numerical simulations, the local bifurcations of the equilibria are discussed. Our results show that the total number of pest populations can be successfully controlled below the economic threshold by taking suitable threshold policy.

Suggested Citation

  • Fengmei Tao & Baolin Kang & Bing Liu & Leilei Qu, 2019. "Threshold Strategy for Nonsmooth Filippov Stage-Structured Pest Growth Models," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-7, February.
    • Handle: RePEc:hin:jnlmpe:9742197
    DOI: 10.1155/2019/9742197
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