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Chaos Quantum-Behaved Cat Swarm Optimization Algorithm and Its Application in the PV MPPT.

Xiaohua Nie1, Wei Wang1, Haoyao Nie2

  • 1Information Engineering School, Nanchang University, Nanchang, Jiangxi Province 330031, China.

Computational Intelligence and Neuroscience
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The Chaos Quantum-behaved Cat Swarm Optimization (CQCSO) algorithm enhances Cat Swarm Optimization (CSO) by preventing premature convergence. CQCSO demonstrates superior accuracy and efficiency in optimization tasks and photovoltaic maximum power point tracking.

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Area of Science:

  • Computational Intelligence
  • Optimization Algorithms
  • Renewable Energy Systems

Background:

  • Cat Swarm Optimization (CSO) offers fast convergence but suffers from premature convergence, trapping in local optima.
  • Existing Quantum-behaved Cat Swarm Optimization (QCSO) improves accuracy but can still face local optimum issues in later stages.

Purpose of the Study:

  • To propose the Chaos Quantum-behaved Cat Swarm Optimization (CQCSO) algorithm to overcome CSO's limitations.
  • To enhance optimization performance by enabling algorithms to escape local optima using chaotic maps.

Main Methods:

  • Introduction of a tent map into the Quantum-behaved Cat Swarm Optimization (QCSO) framework to create the CQCSO algorithm.
  • Simulation and validation of CQCSO on five diverse test functions.
  • Implementation of CQCSO for global maximum power point tracking (MPPT) in a photovoltaic system.

Main Results:

  • CQCSO exhibited higher accuracy and reduced time consumption compared to both CSO and QCSO in function simulations.
  • The CQCSO algorithm effectively achieved global maximum power point tracking (MPPT) in photovoltaic systems.
  • Both simulation and experimental results verified the effectiveness and efficiency of CQCSO.

Conclusions:

  • The proposed CQCSO algorithm successfully addresses the premature convergence issue inherent in CSO.
  • CQCSO offers a robust and efficient solution for complex optimization problems and renewable energy applications like MPPT.