A large part of the biomedical research spectrum is dedicated to develop electrocardiogram (ECG) signal processing techniques contribute early diagnosis. However, it common find that ECG analysis methods reported are confined off-line PC host operation. The authors present an arrhythmia classification method implemented on a Digital Signal Processing (DSP) platform intended for on-line, real-time ambulatory operation classify eight heartbeat conditions: normal sinus rhythm (N), auricular...

Medical questionnaires and forms play a crucial role in diagnosing diseases gathering essential patient information. Traditionally, these assessments are conducted through face-to-face interactions or phone calls, which can be time-consuming, costly, inefficient. To address challenges, digital adaptations of medical have been developed, enabling faster more accessible data collection across various platforms applications.ResearchKit, an open-source framework introduced by Apple, allows...

This paper presents the design of a fault detection system (FDD) based on principal component analysis (PCA) to detect faults in transient state distillation processes. The FDD detects due changes calorific power and pressure leaks that can occur during heating mixture be distilled (transient), mainly affecting quality product safety process operators. proposed is PCA with T2 Hotelling statistical approach, considering data from real pilot plant process. evaluated two scenarios, performing...

<title>Abstract</title> Periodontal diseases, including gingivitis and periodontitis, remain prevalent health issues requiring improved early detection strategies. This study aimed to develop evaluate a non-invasive diagnostic support system combining infrared thermography clinical features, powered by machine learning, for the classification of periodontal status. A cross-sectional was conducted on 91 subjects categorized as healthy, gingivitis, or periodontitis. Gingival temperature...

Image segmentation applied to medical image analysis is still a critical and important task. Although there exist several algorithms that have been widely studied in literature, these are subject problems such as over- under-segmentation well non-closed edges. In this paper, simple method combines well-known presented. This detect acid-fast bacilli (AFB) bacilloscopies used diagnose pulmonary tuberculosis (TB). diagnosis can be performed through different tests, the most worldwide smear...

In the industry, continuous operation of machines is required, making it difficult to stop and carry out preventive maintenance check status wear elements.However, early detection a faulty element allows avoiding further damage machine user.Thus, very important have remote monitoring machine's its elements without stopping process; this aim, vibration analysis one most effective techniques.In paper, vibration-based fault system with IoT capabilities applied vibrating conveyor presented.The...

Diabetes mellitus is a health problem that affects approximately one in eight people worldwide, without an adequate control of the disease, it can lead to various medical complications ranged from blindness limbs amputation. There are different methods for measuring blood glucose classified as invasive and non-invasive. Invasive require small drop deliver results. Although test quick simple, making daily punctures on patient's skin be painful traumatizing, especially child patients. Besides,...

This paper presents a real-time simulation of Luenberger observer for DC-DC converters. The is applied to Buck converter in order detect failures the input voltage and variations system parameters. programmed LabVIEW FPGA allowing generate an interactive user interface. convergence validated under different initial conditions, load disturbances real time, presenting good results. intends provide estimation that can be Fault Detection Isolation (FDI) systems convertes.

This paper presents recent advances in development of ECG WS (electrocardiogram wearable sensor) eHealth data acquisition systems (eHealth-DAQ) as part an ongoing effort to produce low-cost, reliable biopotential monitoring equipment. The ECG-ITM05 DAQ is based on the recently introduced ADS1298 analog front end, MSP430F2618 ultra-low power micro controller and μSD memory card a minimalist long-term measurement system. equipment uses conductive fabrics sewed onto sportswear shirts...

Cardiac arrhythmia detection and classification is of outmost importance for early diagnosis to reduce significantly the rates morbidity mortality patients with heart disease. In particular silent cardiac symptomatology, advances in wearable sensing technology offer a promising solution on-line, real-time intermittent tachyarrhythmia events that otherwise may evolve undetected. this paper authors examine some key issues outline path towards integrating various aspects ECG signal acquisition...

In this article, the design of a fault detection and isolation (FDI) system for flyback converter, based on fuzzy unknown input observer, is presented. The proposed FDI aims to detect saturation in inductor core as fault, considering current increment can cause an avalanche effect provoking failure system. A Takagi–Sugeno model converter used. observer's convergence stability diagnosis are guaranteed by Lyapunov's theory estimation error used determine necessary LMIs. comparison different...

The use of devices based on power electronics has been widely spread to improve the transmission lines performance. However, inclusion these compensators, named Flexible AC Transmission Systems, produces adverse effects conventional protection schemes. For instance, it modifies apparent impedance lines. This condition malfunction in distance protection. paper presents an algorithm for lines, compensated with a Thyristor-Controlled Series Capacitor. proposed is capable discriminating...

In this article a continuous-discrete high-gain observer is presented to estimate the molar compositions in distillation column for Ethanol-Water mixture, by using measurements of temperatures its plates. One main advantages constant gain, which why tuning depends only on choosing parameters that must satisfy some simple algebraic inequalities. The presents good pursuit process dynamics spite less data than purely discrete observer. effectiveness proposed method demonstrated experimental data.

Heat exchange systems are widely used in industry to transfer thermal energy from one body another with a definite purpose, as the distillation process. However, it is essential have an adequate control system ensure proper process operation. This paper presents modelling, simulation and implementation of controlled actuator for column boiler. The proposed electrical scheme electric power boiler heating resistor order heat output column. model consists AC-DC converter, DC-DC Buck converter...

Pulmonary tuberculosis (TB) is a highly infectious disease. TB curable if it diagnosed opportunely. Worldwide, the most used diagnostic method analysis of smear microscopy, which consists in, using microscope, detecting and counting bacilli in smear. The automatic detection pulmonary usually involves processing analyzing digital images related to microscopy. main problem this color variation low contrast images. This paper presents quick easy minimize these variations by image preprocessing,...

Abstract Currently, ohmic heating is a method with wide potential as an alternative thermal process in the industry. However, success of this depends on rate generated heat by right material’s selection and its geometry. Due to complexity, systems are usually modeled computational fluid dynamics (CFD) or finite element (FEM). paper, model representation was used, does not consider temperature gradients uses resistance capacitance steady-state transient analog parameters. The parameters...

Wind power is one of the most important renewable energy sources due to its vast availability. turbines are equipment required take advantage wind potential; therefore, a low reliability these limits maximum obtained from wind. Different techniques and methodologies have been developed monitor detect failures in order prevent undesirable conditions different operating conditions. This work presents system designed caused by mechanical vibrations, this allows diagnose, online, structural...

In this paper, as an introduction, the nonlinear model of a distillation column is presented in order to understand fundamental paper that heating actuator has process dynamics well quality and safety process. facilitate implementation control strategies maintain power regulated process, it necessary represent adequately behavior; therefore, three different models (switching, fuzzy Takagi–Sugeno) DC-DC Buck-Boost converter, selected regulate electric regarding power, are compared....

Diabetes mellitus, known as diabetes, is a chronic disease that affects the control of blood glucose concentration levels, it mostly adults (type 2 diabetes), but can also occur in children 1 or childhood well pregnant women (gestational diabetes). one diseases with highest prevalence and high mortality worldwide. has no cure, continuous monitoring to maintain levels normal ranges reduces possibility suffering from gastrointestinal problems, vision loss, limb amputations (such diabetic foot)...

Incidental visuospatial learning acquired under incidental conditions is more vulnerable to aging than in the intentional case. The theta and gamma correlates of coding retrieval episodic memory change during aging. Based on vulnerability aging, different could occur versus information. Theta EEG was recorded from frontotemporal regions, incidental/intentional evaluated young (25–60 years old) elderly (60–85 participants. encoding compared between low-demand, high-demand, through an ANCOVA...