Results 91 to 100 of about 123,080 (295)

Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones

Advanced Engineering Materials, EarlyView.
A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell, Martha Leach, Hongtao Song, Carolyn Seepersad   +3 more
wiley   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Anthropomorphic Soft Robotics - from Torque Control to Variable Intrinsic Compliance

, 2011
The paper gives an overview on the developments at the German Aerospace enter DLR towards anthropomorphic robots which not only try to approach the force and velocity performance of humans, but also have similar safety and robustness features based on a ...
Hirzinger, Gerd, Thomas Wimböck, Fuchs, Matthias, Markus Grebenstein, Haddadin, Sami, Gerd Hirzinger, Stemmer, Andreas, Borst, Christoph, Matthias Fuchs, Sami Haddadin, Christian Ott, Grebenstein, Markus, Oliver Eiberger, Albu-Schäffer, Alin Olimpiu, Sebastian Wolf, Andreas Stemmer, Wimböck, Thomas, Christoph Borst, Ott, Christian, Alin Albu-Schäffer, Eiberger, Oliver, Wolf, Sebastian   +21 more
core   +1 more source

Evaluating Energy Absorption Performance of Filled Lattice Structures

Advanced Engineering Materials, EarlyView.
Maximum stress must be considered to robustly evaluate energy absorber designs. This approach was applied to compare all types of absorbers in a single Ashby diagram and determine the utility of filling lattice voids with a second material. High‐performance fillers can improve the performance of lattices that are limited by buckling or catastrophic ...
Christian Bonney, William P. King, Iwona Jasiuk   +2 more
wiley   +1 more source

Pyramidal Structures on Yttria‐Stabilized Zirconia after High Temperature Exposure at 1500°C: New Features on an Old Material

Advanced Engineering Materials, EarlyView.
New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold, Dylan Jennings, Robert Vaßen   +2 more
wiley   +1 more source

Variable Stiffness Structures Utilizing Pneumatic Artificial Muscles

MATEC Web of Conferences, 2019
Pneumatic artificial muscles (PAMs) can offer excellent force-to-weight ratios and act as shape-changing actuator under injecting the actuation fluid into their bladders. PAMs could be easily utilized for morphing structures due to their millimeter-scale
Ning Feng, Chang Yingli, Wang Jingze
doaj   +1 more source

Performance Analysis of Abradable Coating Systems for Aircraft Gas Turbines

Advanced Engineering Materials, EarlyView.
Three CoNiCrAlY/YSZ/MgAl2O4 abradable liner configurations on a nickel‐superalloy are evaluated by thermal‐gradient cycling and incursion tests. Laser ablation of the bondcoat and/or Y2O3‐stabilized ZrO2 (YSZ) intermediate layer increases mechanical interlocking and bonding for thick topcoats.
Hanna Heyl, Daniel Emil Mack, Martin Tandler, Susanne Schrüfer, Robert Vaßen   +4 more
wiley   +1 more source

Modal Limit Cycle Control for Variable Stiffness Actuated Robots

, 2013
This paper presents a control approach to stabilize limit cycle motions along a mechanical mode of variable stiffness actuated (VSA) robots. Thereby, first a PD controller with gravity and Coriolis/centrifugal compensation shapes a desired dynamics ...
Garofalo, Gianluca, Gianluca Garofalo, Albu-Schäffer, Alin Olimpiu, Florian Petit, Petit, Florian, Dominic Lakatos, Alin Albu-Schaffer, Lakatos, Dominic, Ott, Christian, Christian Ott   +9 more
core   +1 more source

Modeling of grasping force for a soft robotic gripper with variable stiffness

, 2018
The purpose of this research is to present a grasping force model for a soft robotic gripper with variable stiffness. The soft robotic gripper was made of shape memory alloys (SMAs) with contraction and variable stiffness properties. A variable stiffness
Kong Cheng, Yang Guilin, Yin Haibin, Li Junfeng   +3 more
core   +1 more source

Weight Lifting Trajectory Optimization for Variable Stiffness Actuated Robot

Complexity, 2019
Variable stiffness actuator is a new actuation of robot which is inspired by motor control of human arm. And it is promising way to exploit the human-like performance and human-like motion.
Chen Ji, Minxiu Kong, Ruifeng Li
doaj   +1 more source