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Convergence analysis of sliding mode trajectories in multi-objective neural networks learning
Marcelo Azevedo Costa1, Antonio Padua Braga, Benjamin Rodrigues de Menezes
1Department of Statistics, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901, Brazil. azevedo@est.ufmg.br
Summary
This study introduces Pareto-optimality for neural network supervised learning, balancing data-set error and network complexity. Sliding mode dynamics control learning trajectories for optimized performance.
Area of Science:
- Artificial Intelligence
- Machine Learning
- Control Theory
Background:
- Neural network supervised learning involves a trade-off between data-set error and network complexity.
- Existing methods often focus on selecting a final optimal state, neglecting the learning process itself.
Purpose of the Study:
- To introduce Pareto-optimality for representing trade-offs in neural network learning.
- To present neural network learning as a dynamic system control problem.
- To enable control over learning trajectories for enhanced optimization.
Main Methods:
- Utilized the Pareto-optimality concept to define a set of trade-off solutions.
- Modeled neural networks as dynamic systems with error and complexity as state variables.
- Applied sliding mode dynamics to control learning trajectories in the state space.
Main Results:
- Demonstrated that arbitrary learning trajectories can be achieved by managing sliding mode gains.
- Provided formal proofs for convergence conditions of the proposed learning method.
- Showcased that learning trajectories can be individually assessed against additional objective functions.
Conclusions:
- The trajectory learning concept offers a more nuanced approach than simply selecting a final Pareto-optimal state.
- This framework allows for diverse learning pathways and individual state evaluation.
- The method provides formal guarantees for convergence in neural network training.
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