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A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
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Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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Modified Marine Predators Algorithm hybridized with teaching-learning mechanism for solving optimization problems.

Yunpeng Ma1, Chang Chang2, Zehua Lin2

  • 1School of Information Engineering, Tianjin University of Commerce, Beichen, Tianjin 300134.

Mathematical Biosciences and Engineering : MBE
|January 18, 2023
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Summary
This summary is machine-generated.

A new Marine Predators Algorithm (MPA) modification, the MTLMPA, enhances global search and avoids premature convergence. This optimized algorithm shows improved performance over existing heuristic optimization methods.

Keywords:
Marine Predators Algorithmexploitation and explorationmeta-heuristics optimizationmodified Marine Predators Algorithmteaching-learning-based optimization

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Area of Science:

  • Optimization Algorithms
  • Nature-Inspired Computing
  • Computational Intelligence

Background:

  • The Marine Predators Algorithm (MPA) is a nature-inspired meta-heuristic algorithm based on predator-prey dynamics.
  • Existing MPA versions suffer from easily falling into local optima and premature convergence.
  • Balancing exploration and exploitation is crucial for meta-heuristic algorithm performance.

Purpose of the Study:

  • To introduce a modified Marine Predators Algorithm hybridized with a teaching-learning mechanism, named MTLMPA.
  • To address the shortcomings of the original MPA, specifically local optima and premature convergence.
  • To enhance both the exploitation and exploration capabilities of the MPA.

Main Methods:

  • Hybridization of the Marine Predators Algorithm (MPA) with a teaching-learning mechanism.
  • Introduction of a teaching mechanism in the first phase to improve global search.
  • Incorporation of a novel learning mechanism in the third phase to increase predator-prey encounter rates and avoid premature convergence.

Main Results:

  • The proposed MTLMPA demonstrated improved global searching ability.
  • The MTLMPA effectively avoided premature convergence and enhanced exploration.
  • Performance was validated using 23 benchmark numerical functions and 29 CEC-2017 test functions.

Conclusions:

  • The MTLMPA offers a significant improvement over the standard MPA.
  • The hybridized approach effectively balances exploitation and exploration in optimization.
  • MTLMPA proves to be a competitive and effective optimization algorithm compared to state-of-the-art methods.