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A hybrid invasive weed optimization algorithm for the economic load dispatch problem in power systems.

Zhi Xin Zheng1, Jun Qing Li1,2,3, Hong Yan Sang1

  • 1College of Computer Science, Liaocheng University, Liaocheng 252059, China.

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Summary
This summary is machine-generated.

A new hybrid invasive weed optimization (HIWO) algorithm, combining invasive weed optimization (IWO) and genetic algorithm (GA) operations, efficiently solves economic dispatch (ED) problems in power systems. It effectively handles constraints and finds more economical solutions.

Keywords:
crossover operationeconomic dispatchhybrid invasive weed optimizationmutation operationpower system

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Area of Science:

  • Electrical Engineering
  • Computer Science
  • Optimization Algorithms

Background:

  • Economic Dispatch (ED) is crucial for cost-effective power system operation.
  • Existing optimization methods face challenges with complex constraints and solution efficiency.
  • The Invasive Weed Optimization (IWO) algorithm offers a unique approach to explore solution spaces.

Purpose of the Study:

  • To propose a novel Hybrid Invasive Weed Optimization (HIWO) algorithm for solving Economic Dispatch (ED) problems.
  • To enhance the optimization capabilities of the IWO algorithm by integrating Genetic Algorithm (GA) operations.
  • To develop an effective repair mechanism for handling practical constraints in ED problems.

Main Methods:

  • Hybrid Invasive Weed Optimization (HIWO) algorithm integrating IWO and GA.
  • Incorporation of GA's crossover and mutation operations to improve IWO's optimization.
  • Development of an effective repair method to address infeasible solutions and system constraints.

Main Results:

  • The HIWO algorithm achieved more economical dispatch solutions compared to existing methods.
  • The embedded repair method effectively converted infeasible solutions into feasible ones.
  • Comprehensive tests on six ED problems demonstrated HIWO's superior convergence, applicability, and effectiveness.

Conclusions:

  • The proposed HIWO algorithm is a powerful and effective tool for solving Economic Dispatch problems.
  • The integration of GA operations and the repair method significantly enhances optimization performance.
  • HIWO offers a robust and efficient approach for practical power system economic dispatch.