Zobrazeno 1 - 10
of 188
pro vyhledávání: '"Paul P. Sotiriadis"'
Autor:
Vassilis Alimisis, Dimitrios G. Arnaoutoglou, Emmanouil Anastasios Serlis, Argyro Kamperi, Konstantinos Metaxas, George A. Kyriacou, Paul P. Sotiriadis
Publikováno v:
IEEE Open Journal of Circuits and Systems, Vol 5, Pp 224-242 (2024)
A fall-detection system was implemented utilizing a 2.45 GHz continuous wave radar along with power-efficient and fully-analog integrated classifier architectures. The Power Burst Curve and the effective acceleration were derived from the short time
Externí odkaz:
https://doaj.org/article/f0fcf29ab16f4a3b98e9e395031bfb76
Publikováno v:
IEEE Access, Vol 12, Pp 47797-47829 (2024)
Electrical Impedance Tomography (EIT) has emerged as a valuable medical imaging modality, which visualizes the conductivity distribution of a subject by performing multi-electrode impedance measurements. EIT finds applications in monitoring lung and
Externí odkaz:
https://doaj.org/article/52157c3c3b3d4520b18eed9a2c962078
Autor:
Vassilis Alimisis, Nikolaos P. Eleftheriou, Evangelos Georgakilas, Christos Dimas, Nikolaos Uzunoglu, Paul P. Sotiriadis
Publikováno v:
Fractal and Fractional, Vol 8, Iss 4, p 234 (2024)
This paper introduces an analog integrated fractional order type-2 fuzzy PID control system. Current approaches frequently depend on energy-intensive embedded digital systems, consuming substantial energy levels ranging from a few μW to mW. To addre
Externí odkaz:
https://doaj.org/article/055040e468044509bad8c3c0dbc44e71
Publikováno v:
IEEE Open Journal of Circuits and Systems, Vol 4, Pp 295-307 (2023)
This work presents a power stage architecture that combines high–linearity with high–efficiency. The power stage is configured as a push–pull Class–A topology with two buck–converters providing its supply rails. The buck–converters contin
Externí odkaz:
https://doaj.org/article/9890ece737c041db8ba2a05509a7cbac
Publikováno v:
IEEE Access, Vol 11, Pp 129366-129375 (2023)
MAGINAV (MAGnetic Inertial NAVigation) algorithm provides accurate estimation of velocity, attitude and position in long-term. It is utilized in a specialized pedestrian navigation system that consists of a three-axis accelerometer, a three-axis gyro
Externí odkaz:
https://doaj.org/article/f3b06670a3c4414a9aa2dce6ad123ab2
Publikováno v:
Sensors, Vol 23, Iss 8, p 3978 (2023)
A novel analog integrated implementation of a hardware-friendly support vector machine algorithm that can be a part of a classification system is presented in this work. The utilized architecture is capable of on-chip learning, making the overall cir
Externí odkaz:
https://doaj.org/article/082179c8f1434586ac39d062761f0f63
Autor:
Vassilis Alimisis, Georgios Gennis, Konstantinos Touloupas, Christos Dimas, Nikolaos Uzunoglu, Paul P. Sotiriadis
Publikováno v:
Bioengineering, Vol 9, Iss 4, p 160 (2022)
This paper presents a new analog front-end classification system that serves as a wake-up engine for digital back-ends, targeting embedded devices for epileptic seizure prediction. Predicting epileptic seizures is of major importance for the patient
Externí odkaz:
https://doaj.org/article/84dfe866ec2f41708239e7c614b9045a
Publikováno v:
Technologies, Vol 10, Iss 1, p 14 (2022)
This work presents a soft-filtering digital signal processing architecture based on sigma-delta modulators and stochastic computing. A sigma-delta modulator converts the input high-resolution signal to a single-bit stream enabling filtering structure
Externí odkaz:
https://doaj.org/article/7924a5b1cc124602badda0da18c3a006
Publikováno v:
Bioengineering, Vol 8, Iss 12, p 191 (2021)
Dynamic lung imaging is a major application of Electrical Impedance Tomography (EIT) due to EIT’s exceptional temporal resolution, low cost and absence of radiation. EIT however lacks in spatial resolution and the image reconstruction is very sensi
Externí odkaz:
https://doaj.org/article/213f2d8cff3f467cb0701b7b2c05dab3
Autor:
Christos Dimas, Vassilis Alimisis, Ioannis Georgakopoulos, Nikolaos Voudoukis, Nikolaos Uzunoglu, Paul P. Sotiriadis
Publikováno v:
Technologies, Vol 9, Iss 3, p 59 (2021)
A low-cost 1 kHz–400 kHz operating frequency fully-active electrode bioimpedance measurement module, based on Howland current source, is presented in this paper. It includes a buffered positive feedback Howland current source, implemented with oper
Externí odkaz:
https://doaj.org/article/dd244df54b224cee8f3364a54a2356a0