Results 21 to 30 of about 2,216,028 (303)

A Systematic Review of Closed-Loop Feedback Techniques in Sleep Studies—Related Issues and Future Directions

open access: yesSensors, 2020
Advances in computer processing technology have enabled researchers to analyze real-time brain activity and build real-time closed-loop paradigms. In many fields, the effectiveness of these closed-loop protocols has proven to be better than that of the ...
Jinyoung Choi   +2 more
doaj   +1 more source

Closed-Loop Insulin Delivery Systems: Past, Present, and Future Directions

open access: yesFrontiers in Endocrinology, 2022
Closed-loop (artificial pancreas) systems for automated insulin delivery have been likened to the holy grail of diabetes management. The first iterations of glucose-responsive insulin delivery were pioneered in the 1960s and 1970s, with the development ...
Sophie Templer
semanticscholar   +1 more source

Closed-loop MOEMS accelerometer

open access: yesOptics Express, 2022
In this paper, a closed-loop micro-opto-electro-mechanical system (MOEMS) accelerometer based on the Fabry-Pérot (FP) interferometer is presented. The FP cavity is formed between the end of a cleaved single-mode optical fiber and the cross-section of a proof mass (PM) which is suspended by four U-shaped springs.
Majid Taghavi   +6 more
openaire   +3 more sources

Closed-loop systems to circular economy: A pathway to environmental sustainability?

open access: yesCIRP annals, 2022
The global society faces an existential threat if it fails to meet current and future material needs of its populations, while staying within the carrying capacity of our planet. An approach that has been put forwards to address this complex challenge is
S. Kara   +3 more
semanticscholar   +1 more source

Transcranial ultrasound stimulation at the peak-phase of theta-cycles in the hippocampus improve memory performance

open access: yesNeuroImage, 2023
The present study aimed to investigate the effectiveness of closed-loop transcranial ultrasound stimulation (closed-loop TUS) as a non-invasive, high temporal-spatial resolution method for modulating brain function to enhance memory. For this purpose, we
Zhenyu Xie   +3 more
doaj   +1 more source

Closed-loop optimization of transcranial magnetic stimulation with electroencephalography feedback

open access: yesbioRxiv, 2021
Background Transcranial magnetic stimulation (TMS) is widely used in brain research and treatment of various brain dysfunctions. However, the optimal way to target stimulation and administer TMS therapies, for example, where and in which electric-field ...
A. Tervo   +8 more
semanticscholar   +1 more source

Learning Lipschitz Feedback Policies From Expert Demonstrations: Closed-Loop Guarantees, Robustness and Generalization

open access: yesIEEE Open Journal of Control Systems, 2022
In this work, we propose a framework in which we use a Lipschitz-constrained loss minimization scheme to learn feedback control policies with guarantees on closed-loop stability, adversarial robustness, and generalization.
Abed AlRahman Al Makdah   +2 more
doaj   +1 more source

Fully automated closed-loop glucose control compared with standard insulin therapy in adults with type 2 diabetes requiring dialysis: an open-label, randomized crossover trial

open access: yesNature Medicine, 2021
We evaluated the safety and efficacy of fully closed-loop insulin therapy compared with standard insulin therapy in adults with type 2 diabetes requiring dialysis.
C. Boughton   +9 more
semanticscholar   +1 more source

A fully artificial pancreas versus a hybrid artificial pancreas for type 1 diabetes: a single-centre, open-label, randomised controlled, crossover, non-inferiority trial

open access: yesThe Lancet: Digital Health, 2021
Summary: Background: For people with type 1 diabetes, there is currently no automated insulin delivery system that does not require meal input. We aimed to assess the efficacy of a novel faster-acting insulin aspart (Fiasp) plus pramlintide fully closed-
Michael A Tsoukas, MD   +8 more
doaj   +1 more source

Closed-Loop Insulin Delivery Versus Sensor-Augmented Pump Therapy in Older Adults With Type 1 Diabetes (ORACL): A Randomized, Crossover Trial.

open access: yesDiabetes Care, 2021
OBJECTIVE To assess the efficacy and safety of closed-loop insulin delivery compared with sensor-augmented pump therapy among older adults with type 1 diabetes.
Sybil A. McAuley   +12 more
semanticscholar   +1 more source

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