Results 91 to 100 of about 23,891 (308)
Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion
Advanced Robotics Research, EarlyView.This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley +1 more source
MachinesNonlinear vibration phenomena, such as oil whirl and oil whip, are common indicators of oil film instability in hydrodynamic bearings and are key signs of potential faults in rotating machinery.
Yang Chen +4 more
doaj +1 more source
Hard‐Magnetic Soft Millirobots in Underactuated Systems
Advanced Robotics Research, EarlyView.This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang +4 more
wiley +1 more source
Investigating Film Thickness and Friction of an MR-Lubricated Journal Bearing
LubricantsMagnetorheological (MR) fluids are frequently reported to have potential as lubricants for hydrodynamic bearings operating at high loads, but no comprehensive effort has been made to investigate their performance under a variety of operating conditions ...
Gerben van der Meer, Ron van Ostayen
doaj +1 more source
Two-dimensional Hydrodynamic Pad Bearing Design Optimization for Maximum Load Capacity under the Navier Slip Boundary Condition on its Stationary Surface [PDF]
Journal of Applied and Computational MechanicsThis work focuses on the influence of the Navier slip/adhesion boundary condition on the hydrodynamic performances of a two-dimensional non-conventional pad bearing. The modified Reynolds equation governing the hydrodynamic behavior of such a bearing, in
Ihssane Messoude, Samir Aghzer
doaj +1 more source
Waveguide Photoactuators: Materials, Fabrication, and Applications
Advanced Robotics Research, EarlyView.Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
wiley +1 more source
Angular-compliant hydrodynamic bearing performance under dynamic loads [PDF]
, 1993 The study is focused on a dynamically loaded composite bearing, consisting of a hydrodynamic journal bearing inside the internal race of a rolling-element bearing.
Harnoy, A., Rachoor, H.
core +1 more source
LubricantsWith the widespread use of high-speed motorized spindles in precision machining, conventional contact loading methods are no longer adequate for stiffness loading tests under high-speed operating conditions.
Ruiran Ma +4 more
doaj +1 more source
A Soft Robotic Fish With a Dielectric Elastomer Actuator Body and Negative Stiffness Spine
Advanced Robotics Research, EarlyView.This work introduces a bio‐mimetic soft robotic fish driven by fiber‐reinforced dielectric elastomer actuators integrated as its body. By prestretching this active skin against a flexible spine, a negative stiffness system is created, enabling large‐amplitude bending.
Markus Koenigsdorff +4 more
wiley +1 more source
Early Failure Detection and Diagnostics of Self-Aligning Journal Bearing through Vibro-acoustic Analysis [PDF]
Journal bearings are widely used to support the rotor of industrial machinery with high loads, such as steam turbines, centrifugal pump and compressors.
Gu, Fengshou +4 more
core