Results 21 to 30 of about 473,597 (314)

Micro-Doppler Radar Gait Measurement to Detect Age- and Fall Risk-Related Differences in Gait: A Simulation Study on Comparison of Deep Learning and Gait Parameter-Based Approaches

IEEE Access, 2021
This paper describes the application of micro-Doppler radar (MDR) to gait classification based on fall risk-related differences using deep learning and gait parameter-based approaches.
Kenshi Saho, Keitaro Shioiri, Masahiro Fujimoto, Yoshiyuki Kobayashi   +3 more
doaj   +1 more source

Nonlinear piezo-inkjet equivalent circuit modeling for predicting ink ejection velocity fluctuation caused by meniscus oscillation

AIP Advances, 2020
This study used an equivalent circuit model to collectively analyze the oscillation phenomena inside a piezo-inkjet printhead as an electrical oscillation.
Yasunori Yoshida, Konami Izumi, Hirobumi Ushijima   +2 more
doaj   +1 more source

Identification of characteristics of foot position and angle during swing phase in fallers using principal component analysis

Frontiers in Bioengineering and Biotechnology, 2023
Identifying the characteristics of fallers is important for preventing falls because such events may reduce quality of life. It has been reported that several variables related to foot positions and angles during gait (e.g., sagittal foot angle and ...
Takuma Inai, Yoshiyuki Kobayashi, Chenhui Huang, Koji Fujita, Masahiro Fujimoto, Fumiyuki Nihey, Akiko Yamamoto, Kanako Nakajima, Kentaro Nakahara, Gaku Kutsuzawa, Kenichiro Fukushi, Shoma Kudo   +11 more
doaj   +1 more source

Augmentation of Nutrition by Nanotechnology

, 2021
Nowadays, nanotechnology, by its helpful application to the food industry, has found ways for improving the health of both humans and animals. From all their benefits, we can selectively mention that nanoparticles provide antimicrobial activities and ...
Sonea, Cosmin, Mircea Lupusoru, Lupusoru, Mircea, Cosmin Sonea, Ioan Opris, Opris, Ioan   +5 more
core   +1 more source

Janus regulation of ice growth by hyperbranched polyglycerols generating dynamic hydrogen bonding

Nature Communications, 2022
Regulation of ice growth and ice growth inhibition are critical and different materials mimicking anti freeze proteins or ice binding surfaces have been developed. Here, the authors combine both concepts in a hyperbranched polyglycerols to change the ice
Sang Yup Lee, Minseong Kim, Tae Kyung Won, Seung Hyuk Back, Youngjoo Hong, Byeong-Su Kim, Dong June Ahn   +6 more
doaj   +1 more source

Experimental Verification of Micro-Doppler Radar Measurements of Fall-Risk-Related Gait Differences for Community-Dwelling Elderly Adults

Sensors, 2022
In a previous study, we developed a classification model to detect fall risk for elderly adults with a history of falls (fallers) using micro-Doppler radar (MDR) gait measurements via simulation.
Kenshi Saho, Masahiro Fujimoto, Yoshiyuki Kobayashi, Michito Matsumoto   +3 more
doaj   +1 more source

Simulation study of deep-learning-based gait classification of young/elderly adults using Doppler radar

Measurement: Sensors, 2021
Deep-learning-based gait classification of young and elderly adults using micro-Doppler radar (MDR) is presented in this paper. The MDR signal data were accurately simulated using an open motion-capture gait dataset, and deep-learning classification of ...
Toshiyuki Hoshiga, Kenshi Saho, Keitaro Shioiri, Masahiro Fujimoto, Yoshiyuki Kobayashi   +4 more
doaj   +1 more source

Unsupervised Sim-to-Real Adaptation for Environmental Recognition in Assistive Walking

IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2022
Powered lower-limb prostheses with vision sensors are expected to restore amputees’ mobility in various environments with supervised learning-based environmental recognition. Due to the sim-to-real gap, such as real-world unstructured terrains and
Chuheng Chen, Kuangen Zhang, Yuquan Leng, Xinxing Chen, Chenglong Fu   +4 more
doaj   +1 more source

Water Vapor Condensation in Nanoparticle Films: Physicochemical Analysis and Application to Rapid Vapor Sensing

Chemosensors, 2023
Nanomaterial-based humidity sensors hold great promise for water vapor detection because of their high sensitivity and fast response/recovery. However, the condensation of water in nanomaterial films remains unclear from a physicochemical perspective ...
Shinya Kano, Jin Kawakita, Shohei Yamashita, Harutaka Mekaru   +3 more
doaj   +1 more source

A Supervised-Reinforced Successive Training Framework for a Fuzzy Inference System and Its Application in Robotic Odor Source Searching

Frontiers in Neurorobotics, 2022
Fuzzy inference systems have been widely applied in robotic control. Previous studies proposed various methods to tune the fuzzy rules and the parameters of the membership functions (MFs).
Xinxing Chen, Xinxing Chen, Yuquan Leng, Yuquan Leng, Chenglong Fu, Chenglong Fu   +5 more
doaj   +1 more source