Results 11 to 20 of about 73,701 (230)

Forward Bifurcation with Hysteresis Phenomena from Atherosclerosis Mathematical Model

open access: yesCommunication in Biomathematical Sciences, 2021
Atherosclerosis is a non-communicable disease (NCDs) which appears when the blood vessels in the human body become thick and stiff. The symptoms range from chest pain, sudden numbness in the arms or legs, temporary loss of vision in one eye, or even ...
Dipo Aldila   +4 more
doaj   +1 more source

Modelling of a shape memory alloy actuator for feedforward hysteresis compensator considering load fluctuation

open access: yesCAAI Transactions on Intelligence Technology, 2022
This paper presents a hysteresis mathematical model of a shape memory alloy (SMA) actuator for feedforward hysteresis compensator. The hysteresis model represents the relation between temperature, stress, and electric resistance.
Seiji Saito, Shouta Oka, Ribun Onodera
doaj   +1 more source

Bending Angle Sensor Based on Double-Layer Capacitance Suitable for Human Joint

open access: yesIEEE Open Journal of Engineering in Medicine and Biology, 2023
Goal: To develop bending angle sensors based on double-layer capacitance for monitoring joint angles during cycling exercises. Methods: We develop a bending angle sensor based on double-layer capacitive and conducted three stretching, bending, and ...
Daisuke Goto   +5 more
doaj   +1 more source

Influence of Hysteresis on the Vibration Control of a Smart Beam with a Piezoelectric Actuator by the Bouc–Wen Model

open access: yesShock and Vibration, 2020
The hysteresis property in a smart structure has attracted much attention from researchers for several decades. Hysteresis not only affects the response precision of the smart structure but also threatens the stability of the system.
Ting Zhang
doaj   +1 more source

Bending Properties of Carbon Nanotube/Polymer Composites with Various Aspect Ratios and Filler Contents

open access: yesMicromachines, 2020
The key characteristics of bending sensors are piezoresistive effect, hysteresis, and durability. In this study, to investigate the influence of the aspect ratio and contents of multi-walled nanotubes (MWNTs) on the properties of bending sensors, MWNT ...
Oh-Nyoung Hur   +2 more
doaj   +1 more source

Complex Systems in Phase Space

open access: yesEntropy, 2020
The continued reduction of semiconductor device feature sizes towards the single-digit nanometer regime involves a variety of quantum effects. Modeling quantum effects in phase space in terms of the Wigner transport equation has evolved to be a very ...
David K. Ferry   +5 more
doaj   +1 more source

Ocular Biomechanics and Glaucoma

open access: yesVision, 2023
Biomechanics is a branch of biophysics that deals with mechanics applied to biology. Corneal biomechanics have an important role in managing patients with glaucoma. While evidence suggests that patients with thin and stiffer corneas have a higher risk of
Rodrigo Brazuna   +4 more
doaj   +1 more source

Arrhythmia Diagnosis by Using Level-Crossing ECG Sampling and Sub-Bands Features Extraction for Mobile Healthcare

open access: yesSensors, 2020
Mobile healthcare is an emerging technique for clinical applications. It is usually based on cloud-connected biomedical implants. In this context, a novel solution is presented for the detection of arrhythmia by using electrocardiogram (ECG) signals. The
Saeed Mian Qaisar, Syed Fawad Hussain
doaj   +1 more source

Stability of Nonlinear Vibrations of Elastic Plate and Dynamic Absorber in Random Excitations [PDF]

open access: yesE3S Web of Conferences, 2023
In this work, the problem of exploring the stability of vibrations of a hysteresis-type elastic dissipative characteristic plate with a liquid section dynamic absorber under the influence of random excitations is considered.
Mirsaidov Mirziyod   +2 more
doaj   +1 more source

Research on Hybrid Hysteresis Modeling of Harmonic Reducer based on Parallel with Memristor Hysteresis Model and Neural Network

open access: yesJixie chuandong, 2022
Aiming at hysteresis changing with the load between the load torque and torsion angle of the harmonic reducer and a reduction of the conversion accuracy of the harmonic reducer resulting from this,a harmonic reducer with a memristor hysteresis model and ...
Xuanju Dang, Fang Wei
doaj  

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