{ "id": "1909.13398", "version": "v1", "published": "2019-09-29T23:51:50.000Z", "updated": "2019-09-29T23:51:50.000Z", "title": "Fractional-Order Model Predictive Control for Neurophysiological Cyber-Physical Systems: A Case Study using Transcranial Magnetic Stimulation", "authors": [ "Orlando Romero", "Sarthak Chatterjee", "Sérgio Pequito" ], "comment": "Preprint submitted to ACC 2020", "categories": [ "math.OC", "cs.SY", "eess.SY", "math.DS" ], "abstract": "Fractional-order dynamical systems are used to describe processes that exhibit temporal long-term memory and power-law dependence of trajectories. There has been evidence that complex neurophysiological signals like electroencephalogram (EEG) can be modeled by fractional-order systems. In this work, we propose a model-based approach for closed-loop Transcranial Magnetic Stimulation (TMS) to regulate brain activity through EEG data. More precisely, we propose a model predictive control (MPC) approach with an underlying fractional-order system (FOS) predictive model. Furthermore, MPC offers, by design, an additional layer of robustness to compensate for system-model mismatch, which the more traditional strategies lack. To establish the potential of our framework, we focus on epileptic seizure mitigation by computational simulation of our proposed strategy upon seizure-like events. We conclude by empirically analyzing the effectiveness of our method, and compare it with event-triggered open-loop strategies.", "revisions": [ { "version": "v1", "updated": "2019-09-29T23:51:50.000Z" } ], "analyses": { "keywords": [ "fractional-order model predictive control", "neurophysiological cyber-physical systems", "case study", "fractional-order system", "closed-loop transcranial magnetic stimulation" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }