Results 21 to 30 of about 139 (134)

Upcycling Compact Discs Into Ultra‐Stable, Flexible, and Stretchable Nanoporous Gold Electrodes for Enhanced Biosensing Performance

Advanced Materials Technologies, EarlyView.
This article highlights the development of robust and high‐performance flexible and stretchable biosensors that maintain long‐term functionality and optimal electrical conductivity under mechanical deformation, utilizing sustainable and cost‐effective manufacturing principles.
Mousa H. Aldosari, Ahyeon Koh
wiley   +1 more source

A novel nine‐level inverter, applicable in air plane ground power unit

IET Power Electronics
In this study, a novel nine‐level inverter using one voltage source, 10 unidirectional and one bidirectional power switches, and two capacitors has been proposed to utilize in ground power units (GPUs).
Reza Ebrahimi, Hossein Madadi Kojabadi
doaj   +1 more source

Gait Analysis of Pak Biawak: A Necrobot Lizard Built using the Skeleton of an Asian Water Monitor (Varanus Salvator)

Advanced Robotics Research, EarlyView.
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds, Donan Satria Yudha, Parvez Alam   +2 more
wiley   +1 more source

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

Advanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza, Hiroshi Kaminaga, Philippe Fraisse, Gentiane Venture   +3 more
wiley   +1 more source

Avaliação do comportamento de aerogeradores de velocidde fixa e variável integrados em redes elétricas fracas [PDF]

, 2003
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.Esta tese apresenta propostas para o aumento da margem de estabilidade transitória pós-falta de sistemas elétricos com grande ...
Nunes, Marcus Vinicius Alves
core  

Novel clamping modulation for three‐phase buck‐boost ac choppers

Electronics Letters
Three‐phase ac choppers feature output voltage amplitude controllability and enable more compact system realizations compared to autotransformers. For the practical realization advantageously standard power transistor with unipolar voltage blocking ...
David Menzi, Aobo Yang, Saransh Chhawchharia, Johann. W. Kolar   +3 more
doaj   +1 more source

MicroRoboScope: A Portable and Integrated Mechatronic Platform for Magnetic and Acoustic Microrobotic Experimentation

Advanced Robotics Research, EarlyView.
This work presents the MicroRoboScope, a highly integrated, compact, and portable microrobotic experimentation platform combining electromagnetic and acoustic actuation with real‐time visual feedback into a single, end‐to‐end device. The system enables closed‐loop control and tracking algorithm experimentation within an accessible and unified hardware ...
Max Sokolich, Yanda Yang, Subrahmanyam Cherukumilli, Fatma Ceren Kirmizitas, Sambeeta Das   +4 more
wiley   +1 more source

A Multimodal Haptic Feedback Interface with Thin‐Film Compliant Mechanism

Advanced Science, EarlyView.
Multimodal haptic devices can trigger different mechanoreceptors, enabling richer haptic information. This study presents an electromagnetic multimodal haptic device capable of delivering indentation, stretch, and vibration stimuli. The device is enabled by a novel polymer thin‐film compliant mechanism that provides high translational compliance along ...
Jingjing Wan, Emanuele Nicotra, James Davies, Kefan Zhu, Quang Anh Nguyen, Sinuo Zhao, Chi Cong Nguyen, Bibhu Sharma, Adrienne Ji, Hermione Truong, Patrick Pruscino, Tan Huynh, Phuoc Thien Phan, Hoang‐Phuong Phan, Nigel Hamilton Lovell, Thanh Nho Do   +15 more
wiley   +1 more source

Quasi‐Z‐source inverter with switched‐coupled‐capacitors

IET Power Electronics
This paper presents an improved switched‐inductor quasi‐Z‐source inverter with a higher boost factor than similar inverters, which integrates a switched‐capacitor and a three‐winding switched‐coupled inductor into a conventional quasi Z‐source inverter ...
Mohammad Hosein Babaei, Asghar Taheri, Jamal Abbasi Bolaghi, Masoumeh Gholami   +3 more
doaj   +1 more source

Small power ZVS circuits for the marine-controlled source electromagnetic transmitter

The Journal of Engineering, 2019
Marine-controlled source electromagnetic transmitter is an important equipment for the investigation of marine geology and exploration of oil, gas, and mineral resources in recent years.
Hongxi Song, Yiming Zhang, Junxia Gao, Yu Zhang   +3 more
doaj   +1 more source