Design of accelerated learning algorithms based on FOPI control
Yuquan Chen,
Wenchao Hong and
Bing Wang
Chaos, Solitons & Fractals, 2026, vol. 210, issue P1
Abstract:
High-performance optimization algorithms are essential for deep learning, and a novel accelerated learning algorithm based on fractional-order proportional-integral is proposed, which achieves a better performance both in convergence speed and global search ability. Firstly, existing accelerated optimization algorithms are expressed by a closed-loop system with different controllers, where the SGDM optimizer is reconstructed as a second-order dynamic system with a proportional controller. By replacing the integer-order integral with the fractional-order integral, the FOPI optimizer is then given, where the long-term memory characteristic of the fractional-order integral is utilized to dynamically modulate the weights of historical gradients. Finally, an explicit Euler discretization is applied to derive a computationally efficient iterative algorithm, and experiments both on benchmark functions and standard datasets demonstrate that the proposed optimization algorithm significantly accelerates the convergence speed and improves training accuracy.
Keywords: Deep neural network; Optimization algorithm; Fractional calculus; Proportional-integral control; Stochastic gradient descent with momentum (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:210:y:2026:i:p1:s0960077926007241
DOI: 10.1016/j.chaos.2026.118583
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