Results 31 to 40 of about 437,125 (244)

Study on modeling and numerical analysis for the prediction of wheel wear development

Mechanical Engineering Journal, 2017
The rights-of-way of urban railway systems contain many sharp curves. Since sharp curves can contribute to wheel and rail wear, the ability to predict the development of wheel wear is crucial to maintaining safe operation of such systems.
Ariku YOSHIOKA, Yoshiaki TERUMICHI, Masahiro TSUJIE, Jun MATSUI   +3 more
doaj   +1 more source

RAIL/WHEEL WEAR AND RCF ASSESSMENTS USING 3D TRAIN MODELS AND A NEW WEAR MAP

, 2022
Wear and Rolling Contact Fatigue (RCF) on wheels and rails are influenced by relative motions between the studied rail and wheel pair, and therefore influenced by train dynamics as well.
Cole, Colin,, Krishna, Visakh V,, Spiryagin, Maksym,, Wu, Qing,, Stichel, Sebastian,, Bernal, Esteban,   +5 more
core  

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

Advanced 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, Chiamaka Akah, Ravinder Dahiya   +2 more
wiley   +1 more source

Study on the influencing factors in the development process of high-speed train wheel polygon

Advances in Mechanical Engineering, 2022
High-level wheel polygon wear is common in high-speed EMUs. Wheel polygon wear causes high-frequency vibration of vehicles and track systems, which seriously affects the safe operation of vehicles.
Zhi-kun Song, Hai-xing Ren, Wei Liu, Qiang Li, Xiao-yi Hu   +4 more
doaj   +1 more source

Recent Advances of Slip Sensors for Smart Robotics

Advanced Materials Technologies, EarlyView.
This review summarizes recent progress in robotic slip sensors across mechanical, electrical, thermal, optical, magnetic, and acoustic mechanisms, offering a comprehensive reference for the selection of slip sensors in robotic applications. In addition, current challenges and emerging trends are identified to advance the development of robust, adaptive,
Xingyu Zhang, Liao Wu, Shuai He, Zhao Sha, Yuwan Huang, Shuying Wu, Dewei Chu, Chun H. Wang, Shuhua Peng   +8 more
wiley   +1 more source

Impact of Lateral Hollow Wear Depth on 400 km/h Wheel–Rail Contact and Noise Radiation

Vibration
Lateral wear inevitably develops on the wheel treads of high-speed trains after a period of operation. Extensive research has been dedicated to circumferential wear (e.g., wheel polygonization), whereas studies on lateral tread wear and its impact on ...
Mandie Tu, Laixian Peng, Xinbiao Xiao, Jian Han, Peng Wang   +4 more
doaj   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

Advanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
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

Study on the Effect of Railway Parameters on Wheel Wear of Locomotive

机车电传动, 2015
Aiming at the effect of railway parameters on wheel wear of locomotive, D20E type diesel locomotive dynamics model was built by SIMPACK software. A model combined locomotive dynamics, FASTSIM algorithm and Zobory profile wear model was built, and wheel ...
TAO Vanchien, LI Fu, DING Junjun
doaj