Abstract
In new approaches based on adaptive neuro-fuzzy systems (ANFIS) and analytical method, heart rate (HR) measurements were used to estimate oxygen consumption (VO2). Thirty-five participants performed Meyer and Flenghi's step-test (eight of which performed regeneration release work), during which heart rate and oxygen consumption were measured. Two individualized models and a General ANFIS model that does not require individual calibration were developed. Results indicated the superior precision achieved with individualized ANFIS modelling (RMSE = 1.0 and 2.8 ml/kg min in laboratory and field, respectively). The analytical model outperformed the traditional linear calibration and Flex-HR methods with field data. The General ANFIS model's estimates of VO2 were not significantly different from actual field VO2 measurements (RMSE = 3.5 ml/kg min). With its ease of use and low implementation cost, the General ANFIS model shows potential to replace any of the traditional individualized methods for VO2 estimation from HR data collected in the field.
| Original language | English |
|---|---|
| Pages (from-to) | 1475-1483 |
| Number of pages | 9 |
| Journal | Applied Ergonomics |
| Volume | 45 |
| Issue number | 6 |
| DOIs | |
| State | Published - Nov 2014 |
| Externally published | Yes |
Bibliographical note
Funding Information:This project received joint funding from the Ministère des Ressources Naturelles et de la Faune of Québec , the Fonds Québécois pour la Recherche sur la Nature et les Technologies (FQRNT) , and the Natural Science and Engineering Research Council of Canada (NSERC) , through the Canada Research Chair in Ergonomics of Polytechnique de Montreal.
Keywords
- Heart rate monitoring
- Oxygen consumption
- Work design
ASJC Scopus subject areas
- Human Factors and Ergonomics
- Physical Therapy, Sports Therapy and Rehabilitation
- Safety, Risk, Reliability and Quality
- Engineering (miscellaneous)
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