Results 151 to 160 of about 3,667,485 (307)

EasyVoid: A Handheld Coandă Effect Uroflowmeter for Accurate and Portable Measurement of Urinary Flow Dynamics. [PDF]

IEEE J Transl Eng Health Med
Chang R, Chen YC, Chen HW, Zeng RH, Prakash M.   +4 more
europepmc   +1 more source

Dynamics of a Rod Attached to a Rotating Hinge

Macromolecular Symposia, EarlyView.
ABSTRACT The dynamics of a rod attached to a rotating hinge, also interpreted as a physical pendulum in a rotating frame, provide a valuable mechanical model for analyzing the complex oscillatory behavior of helicopter rotor blades. This simplified system captures essential features of blade flapping and in‐plane motions influenced by inertial and ...
Gheorghe Floroiu, Mihai Valentin Predoi, Roxana Alexandra Petre   +2 more
wiley   +1 more source

Experimental Characterization and Non-Linear Dynamic Modelling of PCD Bearings: A Digital-Twin Approach for the Condition Monitoring of Rotating Machinery. [PDF]

Sensors (Basel)
Cascino A, Amedei A, Meli E, Rindi A.
europepmc   +1 more source

Beyond Bioenergetics: Moonlighting Functions of F1FO‐ATPase From ATP Synthesis to an ATP‐Wasting Death Switch

Medicinal Research Reviews, EarlyView.
ABSTRACT Mitochondrial F1FO‐ATPase is classically viewed as the “splendid” rotary nanomachine that sustains life by converting the proton‐motive force (pmf) into ATP. Yet this same complex can adopt a second, context‐dependent function that links bioenergetics to cell fate.
Salvatore Nesci
wiley   +1 more source

Enhanced geometry control powered by AI for UAVS with a robotic arm for compensating for disturbances. [PDF]

Sci Rep
Oqda K, El-Gendy EM, Marie HS, Akalla M.
europepmc   +1 more source

An Improved Air Film Model for Studying the Tilt Characteristics of Aerostatic Thrust Bearings

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT In this study, an improved mass‐spring model that treats the lubricating air film as distributed springs is proposed to calculate the static and dynamic angular stiffness of aerostatic thrust bearings. The proposed model refines the traditional mass‐spring model by introducing the spatially varying mechanical properties of the air film and the
Hui Zhuang, Jianguo Ding, Yu Chang
wiley   +1 more source

Multiphysics Investigation on Thermal Characteristics of Internal Bio-Inspired V-Ribbed Cooling Channels for Outer Rotor PMSM. [PDF]

Biomimetics (Basel)
Xiong X, Li X, You S, Zhu B, Ding P, Gao H, Hou Z.   +6 more
europepmc   +1 more source

Fault Detection of Electric Motors via Symmetrized Dot Pattern‐Based Features

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT This study proposes a novel symmetrized dot pattern (SDP) approach using designed SDP‐based features, extracted from transformed vibration signals, for fault detection. These features describe the compactness, inclination, and shape of the “snowflake” diagram distributions.
Mario Spirto, Pierangelo Malfi, Armando Nicolella, Francesco Melluso, Chiara Cosenza, Sergio Savino, Vincenzo Niola   +6 more
wiley   +1 more source

Stability enhancement via speed adaptation and efficiency improvement for induction machine. [PDF]

Sci Rep
Wogi L, Joy SI, Morawiec M, Ayana T, Wilczynski F, Barta J.   +5 more
europepmc   +1 more source

Detecting Loosening of Bolt‐Flanged Pipe Using Smoothed Pseudo Wigner–Ville Distribution: Digital Twin‐Based Approach Using Convolution Neural Networks

International Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT In this paper, an integrated digital twin‐based fault‐diagnosis framework is proposed to detect bolt loosening in flanged pipe connections. The approach combines finite element‐based numerical modeling, experimental modal analysis, and advanced signal processing‐assisted deep learning to achieve reliable loosening detection under operational ...
Milad Shabani Yousefabad, Behzad Totakhaneh Bonab, Morteza Homayoun Sadeghi, Mir Mohammad Ettefagh, Mohammad Reza Chalak Qazani   +4 more
wiley   +1 more source