Un esquema de decisiones para intervenciones adaptativas comportamentales de actividad física basado en control predictivo por modelo híbrido: ilustración con Just Walk

Translated title of the contribution: A decision framework for an adaptive behavioral intervention for physical activity using hybrid model predictive control: illustration with Just Walk

Daniel Cevallos, César A. Martín, Mohamed El Mistiri, Daniel E. Rivera, Eric Hekler

Research output: Contribution to journalArticlepeer-review

Abstract

Physical inactivity is a major contributor to morbidity and mortality worldwide. Many current physical activity behavioral interventions have shown limited success addressing the problem from a long-term perspective that includes maintenance. This paper proposes the design of a decision algorithm for a mobile and wireless health (mHealth) adaptive intervention that is based on control engineering concepts. The design process relies on a behavioral dynamical model based on Social Cognitive Theory (SCT), with a controller formulation based on hybrid model predictive control (HMPC) being used to implement the decision scheme. The discrete and logical features of HMPC coincide naturally with the categorical nature of the intervention components and the logical decisions that are particular to an intervention for physical activity. The intervention incorporates an online controller reconfiguration mode that applies changes in the penalty weights to accomplish the transition between the behavioral initiation and maintenance training stages. Controller performance is illustrated using an ARX model estimated from system identification data of a representative participant for Just Walk, a physical activity intervention designed on the basis of control systems principles.

Translated title of the contributionA decision framework for an adaptive behavioral intervention for physical activity using hybrid model predictive control: illustration with Just Walk
Original languageSpanish
Pages (from-to)297-308
Number of pages12
JournalRIAI - Revista Iberoamericana de Automatica e Informatica Industrial
Volume19
Issue number3
DOIs
StatePublished - 2022
Externally publishedYes

Keywords

  • Model predictive control of hybrid systems
  • control of physiological and clinical variables
  • system identification

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science(all)

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