期刊
CONTROL ENGINEERING PRACTICE
卷 71, 期 -, 页码 129-141出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2017.10.013
关键词
Adaptive filtering algorithms; Model fusion strategy; Online glucose prediction; Type 1 diabetes
资金
- National Institutes of Health (NIH) [1DP3DK101075-01, 1DP3DK101077-01]
- China Scholarship Council (CSC) [201406085037]
Accurate predictions of glucose concentrations are necessary to develop an artificial pancreas (AP) system for people with type 1 diabetes (T1D). In this work, a novel glucose forecasting paradigm based on a model fusion strategy is developed to accurately characterize the variability and transient dynamics of glycemic measurements. To this end, four different adaptive filters and a fusion mechanism are proposed for use in the online prediction of future glucose trajectories. The filter fusion mechanism is developed based on various prediction performance indexes to guide the overall output of the forecasting paradigm. The efficiency of the proposed model fusion based forecasting method is evaluated using simulated and clinical datasets, and the results demonstrate the capability and prediction accuracy of the data-based fusion filters, especially in the case of limited data availability. The model fusion framework may be used in the development of an AP system for glucose regulation in patients with T1D. (C) 2017 Elsevier Ltd. All rights reserved.
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