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Embedded or wearable artificial pancreas (AP) systems must be capable of low energy operation to ameliorate battery depletion and reduce the need for frequent recharge cycles. One of the major contributors to energy drain of such embedded AP systems is the power utilized for wireless communication among the components of the AP: the continuous glucose monitor (CGM), control module, insulin pump, and...
The design of a Model Predictive Control (MPC) strategy for the closed-loop operation of an Artificial Pancreas (AP) to treat type 1 diabetes mellitus is considered. The contribution of this paper is to propose a velocity-weighting mechanism, within an MPC problem's cost function, that facilitates penalizing predicted hyperglycemic blood-glucose excursions based on the predicted blood-glucose levels'...
Increasingly, resources are “born digital” and their associated formats are short-lived. Subsequently, the development of environments to preserve such digital content over the very long-term (50 years or more) has become a critical issue. To date, however, the preservation of data as contained in object-relational databases has been widely overlooked. Here, the task is inherently complicated by the...
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