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Predicting the output error of the suboptimal state estimator to improve the performance of the MPC-based artificial pancreas

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Control Theory and Technology 2023年第4期21卷 541-554页

作者： Martin Dodek eva Miklovičová Institute of Robotics and Cybernetics Faculty of Electrical Engineering and Information TechnologySlovak University of Technology in BratislavaIlkovičova 3Bratislava81219Slovakia

The error of single step-ahead output prediction is the information traditionally used to correct the state estimate while exploiting the new measurement of the system ***,its dynamics and statistical properties can be further studied and exploited in other *** is known that in the case of suboptimal state estimation,this output prediction error forms a correlated sequence,hence it can be effectively predicted in real *** a suboptimal scenario is typical in applications where the process noise model is not known or it is ***,the paper deals with the problems of analytical and empirical modeling,identification,and prediction of the output error of the suboptimal state estimator for the sake of improving the output prediction accuracy and ultimately the performance of the model predictive *** improvements are validated on an empirical model of type 1 diabetes within an in-silico experiment focused on glycemia prediction and implementation of the MPC-based artificial pancreas.

关键词： Suboptimal state estimation Prediction Autoregressive model Moving average model Model predictive control Diabetes mellitus Artificial pancreas

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Imetit Dihydrobromide and Thioperamide Medication in Cough Hypersensitivity Model—The Role of H₃ Receptors

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Open Journal of Molecular and Integrative Physiology 2016年第1期6卷 1-9页

作者： Tomas Buday eva Kovacova Silvia Gavliakova Natalia Kavalcikova-Bogdanova Martina Antosova Jana Plevkova Department of Pathophysiology Biomedicine Centre Jessenius Faculty of Medicine Comenius University Martin Slovak Republic Department of Physiology Biomedicine Centre Jessenius Faculty of Medicine Comenius University Martin Slovak Republic Simulation Educational Center Jessenius Faculty of Medicine Comenius University Martin Slovak Republic

Chronic cough is a troublesome problem and it is frequently associated with diseases such as gastroesophageal reflux, asthma and upper airway diseases—so called diagnostic triade. The magnitude and severity of cough is strongly associated with the ongoing nasal inflammation in subjects with rhinosinusitis and treatment of nasal inflammation leads to the down regulation of pathologically up-regulated cough. Histamine plays a key role in the inflammation of the upper airways of different aetiologies;therefore histamine receptors seem to be promising targets. The aim of our study was to ascertain the effect of H3R agonist imetit and H3R antagonist thioperamide on cough and symptoms of allergic rhinitis (AR) in an animal model of upper airway cough syndrome in ovalbumin sensitized guinea pigs. ova sensitized guinea pigs (n = 10) were repeatedly challenged with i.n. allergen-ova to induce allergic rhinitis and to enhance cough reflex according to the validated model of experimental allergic rhinitis. Animals were pre-treated by i.p. administration of imetit (1 mg/kg and 2 mg/kg of body weight) and thioperamide 30 min. prior i.n. ova administration. Rhinitis evaluation was based on the occurrence of typical symptoms. The effect on cough was assessed from the response to inhalation of citric acid (0.4 M, 10 min), final cough count and cough latency were analysed from the airflow traces, cough motor pattern and the cough sound. AR up-regulated the cough response from 9 ± 2 to 16 ± 1 cough per provocation, med ± IQR, p < 0.05 and shortened cough latency. Imetit (1 mg/kg) suppressed nasal symptoms and decreased number of cough from 16 ± 1 to 12 ± 1;however the data did not reach significance. Imetit (2 mg/kg) significantly suppressed the nasal symptoms, and number of coughs from 16 ± 1 to 6 ± 2, med ± IQR, p < 0.05. Thioperamide (5 mg/kg of body weight) did not have expected effects on tested parameters. H3R agonist imetit, unlike H3R antagonist thiopera

关键词： Chronic Cough Allergic Rhinitis Histamine Antitussive Imetit Thioperamide H3 Receptor

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