Drumming performance and underlying muscle activities in a professional rock drummer with lower-limb dystonia: a case study [PDF]
Frontiers in NeurologyTask-specific focal dystonia (TSFD), characterized by the loss of fine motor control and coordination, affects drummers’ lower-limb movements. This study explores lower-limb dystonia’s impact on drumming performance and underlying muscle activity in a ...
Kazuaki Honda +7 more
doaj +2 more sources
Optomechanical energy enhanced BF-QEPAS for fast and sensitive gas sensing [PDF]
PhotoacousticsTraditional beat frequency quartz-enhanced photoacoustic spectroscopy (BF-QEPAS) are limited by short energy accumulation times and the necessity of a decay period, leading to weaker signals and longer measurement cycles.
Weilin Ye +5 more
doaj +2 more sources
HSF-IBI: A Universal Framework for Extracting Inter-Beat Interval from Heterogeneous Unobtrusive Sensors [PDF]
BioengineeringHeartbeat inter-beat interval (IBI) extraction is a crucial technology for unobtrusive vital sign monitoring, yet its precision and robustness remain challenging.
Zhongrui Bai +9 more
doaj +2 more sources
Phase Modulated Frequency Shifted Digital Holographic Vibrometry with Enhanced Robustness [PDF]
EPJ Web of Conferences, 2023 We report experimental results of a frequency shifted digital holography setup for spatially resolved vibrometry. A spatially homogeneous artificial phase modulation is used as a reference to correct for speckle noise. Furthermore, when superimposed upon
Dötzer Florian +3 more
doaj +1 more source
Study on Beat Vibration of a High Temperature Superconducting EDS Maglev Vehicle at Low Speed
Applied Sciences, 2023 Vertical displacement acceleration and the pitch angle record produce the phenomenon of beat vibration when testing a 200 m electro-dynamic suspension (EDS) magnetic levitation (maglev) test vehicle with high-temperature superconducting (HTS) at the CRRC
Qing-Song Yu +5 more
doaj +1 more source
Beat vibration mechanism of a sluice pier under high-speed flood discharge excitation
Journal of Low Frequency Noise, Vibration and Active Control, 2020 The sluice pier prototype vibration test conducted in China Shuhe Hydropower Station shows that the vibration response of the measuring points exhibits a special form of vibration, which demonstrates intermittency and impact under high-speed flood ...
Huo-Kun Li +4 more
doaj +1 more source
Applied Sciences, 2023 Branched hydraulic lines are prone to leakage and break under complex working conditions. The coupling vibration problem caused by the fluid pressure beat and external mechanical excitation of the pump at the junction of the branch of the cross-type ...
Zhe Liu +4 more
doaj +1 more source
Research and Experiment on a Bionic Fish Based on High-Frequency Vibration Characteristics
Biomimetics, 2023 This paper takes the high-frequency vibration characteristics of a bionic robot fish as the research object. Through research on the vibration characteristics of a bionic fish, we quantified the role of voltage and beat frequency in high-speed and stable
Bo Zhang, Yu Chen, Zhuo Wang, Hongwen Ma
doaj +1 more source
Nonlinear Dynamics and Vibration Localization of Shrouded Blisk with Contact and Friction Effects
Machines, 2023 Shrouds have been widely used to reduce the level of excessive vibration of blisks. However, complicated nonlinear motion can be induced by the contact and friction between shrouds.
Gaofei Yuan, Yuefang Wang
doaj +1 more source
Development of an Electrostatic Beat Module for Various Tactile Sensations in Touch Screen Devices
Applied Sciences, 2019 One of the most dominant factors in developing tactile modules is the ability to generate abundant vibrotactile sensation. This paper presents a new vibrotactile module which can stimulate two mechanoreceptors at the same time without any mechanical ...
Young-Bok Joo +5 more
doaj +1 more source