Results 31 to 40 of about 5,311 (260)

Modeling and experimental analysis of cutting force in longitudinal–torsional ultrasonic-assisted milling of titanium

open access: yesAdvances in Mechanical Engineering, 2019
This study proposed a novel milling technology assisted by longitudinal–torsional compound ultrasonic vibration to overcome the difficulties in the processing of Ti-alloy heterogeneous surfaces or molding surfaces.
Xiaobo Wang   +3 more
doaj   +1 more source

Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications

open access: yesAdvanced Materials, EarlyView.
Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko   +2 more
wiley   +1 more source

Research on the Forced Vibration Characteristic of the Dual Mode Multistage Gear Transmission based on the Objective Parameter Optimization

open access: yesJixie chuandong, 2020
In order to analyze the cause and influence factors of the torsional vibration of the dual mode multistage gear transmission, a hybrid electric vehicle dynamic model is established based on SIMPACK.
Xiaoci Huang
doaj  

Strain‐Activated Mechanical Metamaterial With Programmable Dual‐Phase Stiffness and Enhanced Energy Absorption

open access: yesAdvanced Materials Technologies, EarlyView.
A strain‐activated mechanical metamaterial is developed to achieve programmable dual‐phase stiffness through an intrinsic geometric locking mechanism. Finite element modeling and parametric analysis identify the key design parameters governing activation strain, stiffness transition, and energy absorption.
Ramin Yousefi‐Nooraie   +3 more
wiley   +1 more source

Analysis of Torsional Vibration Characteristic for the Crown Gear Coupling of EMU

open access: yesJixie chuandong, 2017
The torsional vibration should be serious considered in the product design of the crown gear coupling of EMU. According to the structural characteristics and operating conditions of the crown gear coupling of EMU,the torsional vibration system mechanical
Shi Zhenqiang   +4 more
doaj  

Strong Coupling in all‐Polymer Planar Microcavities

open access: yesAdvanced Optical Materials, EarlyView.
Strong Coupling has been achieved in an all‐polymer microcavity with dielectric contrast Δn = 0.33 doped with TDBC. A Rabi splitting of 39 meV has been measured opening novel perspectives for polymer photonics. ABSTRACT In this work, strong coupling effect is observed in all‐polymer planar microcavities incorporating TDBC J‐aggregates dispersed into ...
Daniela Di Fonzo   +5 more
wiley   +1 more source

A Review on Sensor Technologies, Control Approaches, and Emerging Challenges in Soft Robotics

open access: yesAdvanced Robotics Research, EarlyView.
This review provides an introspective of sensors and controllers in soft robotics. Initially describing the current sensing methods, then moving on to the control methods utilized, and finally ending with challenges and future directions in soft robotics focusing on the material innovations, sensor fusion, and embedded intelligence for sensors and ...
Ean Lovett   +5 more
wiley   +1 more source

Phase Demodulation of Rotor Torsional Vibration Measurement under Time-Varying Speed

open access: yesShock and Vibration, 2022
When torsional vibration is measured with the zebra-tape method, the modulation signals can be contaminated by electrical noise, environmental noise, step noise, sensor nonlinearities, and so on.
Moli Chen   +4 more
doaj   +1 more source

A Superlubricated Magnetically Steerable Microcatheter with Integrated Optical and Fluidic Channels

open access: yesAdvanced Robotics Research, EarlyView.
A magnetically steerable microcatheter with integrated optical and fluidic channels is developed for multifunctional navigation in tortuous anatomical environments. A surface‐grafted hydrogel coating enables low‐friction actuation. The device demonstrates stable light and fluid delivery during magnetic manipulation, offering a compact platform for ...
Yuntian Du   +5 more
wiley   +1 more source

Dynamics Simulation Analysis of Tooth Root Crack Fault of Planetary Gearbox based on Torsional Vibration Signal

open access: yesJixie chuandong, 2021
The vibration-based methods have been widely used in the tooth root crack fault diagnosis of planetary gearbox. Compared with traditional transverse vibration signal,torsional vibration signal is not affected by the modulation of time-varying ...
Wei Wei, Yunpeng Li, Yanshuai Yang
doaj  

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