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Explainability and Dependability Analysis of Learning Automata based AI Hardware

Lookup NU author(s): Dr Rishad Shafik, Adrian Wheeldon, Professor Alex Yakovlev

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This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by IEEE, 2020.

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Abstract

Explainability remains the holy grail in designing the next-generation pervasive artificial intelligence (AI) systems. Current neural network based AI design methods do not naturally lend themselves to reasoning for a decision making process from the input data. A primary reason for this is the overwhelming arithmetic complexity.Built on the foundations of propositional logic and game theory, the principles of learning automata are increasingly gaining momentum for AI hardware design. The lean logic based processing has been demonstrated with significant advantages of energy efficiency and performance. The hierarchical logic underpinning can also potentially provide opportunities for by-design explainable and dependable AI hardware. In this paper, we study explainability and dependability using reachability analysis in two simulation environments. Firstly, we use a behavioral SystemC model to analyze the different state transitions. Secondly, we carry out illustrative fault injection campaigns in a low-level SystemC environment to study how reachability is affected in the presence of hardware stuck-at 1 faults. Our analysis provides the first insights into explainable decision models and demonstrates dependability advantages of learning automata driven AI hardware design


Publication metadata

Author(s): Shafik R, Wheeldon A, Yakovlev A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 26th IEEE International Symposium on On-Line Testing and Robust System Design (IOLTS)

Year of Conference: 2020

Online publication date: 05/08/2020

Acceptance date: 13/07/2020

Date deposited: 21/10/2020

ISSN: 1942-9401

Publisher: IEEE

URL: https://doi.org/10.1109/IOLTS50870.2020.9159725

DOI: 10.1109/IOLTS50870.2020.9159725

Library holdings: Search Newcastle University Library for this item

ISBN: 9781728181882


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