Explainable by Design: Enhancing Trustworthiness in AI-Driven Control Systems

Wassim Jaziri () and Najla Sassi
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Wassim Jaziri: Department of Management Information Systems, School of Business, King Faisal University, Hofuf 31982, Saudi Arabia
Najla Sassi: Department of Management Information Systems, School of Business, King Faisal University, Hofuf 31982, Saudi Arabia

Mathematics, 2025, vol. 13, issue 23, 1-24

Abstract: Deep Reinforcement Learning (DRL) has achieved remarkable success in optimizing complex control tasks; however, its opaque decision-making process limits accountability and erodes user trust in safety-critical domains such as autonomous driving and clinical decision support. To address this transparency gap, this study proposes a hybrid DRL framework that embeds explainability directly into the learning process rather than relying on post hoc interpretation. The model integrates symbolic reasoning, multi-head self-attention, and Layer-wise Relevance Propagation (LRP) to generate real-time, human-interpretable explanations while maintaining high control performance. Evaluated over 20,000 simulated episodes, the hybrid framework achieved a 91.9% task-completion rate, a 19.1% increase in user trust, and a 15.3% reduction in critical errors relative to baseline models. Human–AI interaction experiments with 120 participants demonstrated a 25.6% improvement in comprehension, a 22.7% faster response time, and a 17.4% lower cognitive load compared with non-explainable DRL systems. Despite a modest ≈4% performance trade-off, the integration of explainability as an intrinsic design principle significantly enhances accountability, transparency, and operational reliability. Overall, the findings confirm that embedding explainability within DRL enables real-time transparency without compromising performance, advancing the development of scalable, trustworthy AI architectures for high-stakes applications.

Keywords: explainable artificial intelligence (XAI); real-time explainability; explainable reasoning; human–AI collaboration; deep reinforcement learning (DRL); trustworthy AI; AI-driven control systems (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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