Articles with "actuator" as a keyword



Photo by curioso from unsplash

Cephalopod‐Inspired Swimming Robot Using Dielectric Elastomer Synthetic Jet Actuator

Sign Up to like & get
recommendations!
Published in 2019 at "Advanced Engineering Materials"

DOI: 10.1002/adem.201901130

Abstract: Jet propulsion is the main method of locomotion developed by cephalopods to swim through water, either for hunting or escaping from predators. Under this inspiration, diverse underwater robots utilizing jet propulsion‐based locomotion are studied. This… read more here.

Keywords: cephalopod inspired; jet actuator; jet; actuator ... See more keywords
Photo from wikipedia

An Autonomous Soft Actuator with Light‐Driven Self‐Sustained Wavelike Oscillation for Phototactic Self‐Locomotion and Power Generation

Sign Up to like & get
recommendations!
Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201908842

Abstract: Mimicking the intelligence of biological organisms in artificial systems to design smart actuators that act autonomously in response to constant environmental stimuli is crucial to the construction of intelligent biomimetic robots and devices, but remains… read more here.

Keywords: oscillating motion; self; light driven; actuator ... See more keywords
Photo by nci from unsplash

All‐Solid‐State Electro‐Chemo‐Mechanical Actuator Operating at Room Temperature

Sign Up to like & get
recommendations!
Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202006712

Abstract: Dimensional change in a solid due to electrochemically driven compositional change is termed electro-chemo-mechanical (ECM) coupling. This effect causes mechanical instability in Li-ion batteries and solid oxide fuel cells. Nevertheless, it can generate considerable force… read more here.

Keywords: state; electro chemo; chemo mechanical; room temperature ... See more keywords
Photo from wikipedia

Robust Jumping Actuator with a Shrimp-Shell Architecture.

Sign Up to like & get
recommendations!
Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202104558

Abstract: It is highly desirable to develop compact- and robust-film jumping robots that can withstand severe conditions. Besides, the demands for strong actuation force, large bending curvature in a short response time, and good environmental tolerance… read more here.

Keywords: shell architecture; actuator; jumping actuator; shrimp shell ... See more keywords
Photo by enginakyurt from unsplash

A Programmable Actuator as Synthetic Earthworm.

Sign Up to like & get
recommendations!
Published in 2023 at "Advanced materials"

DOI: 10.1002/adma.202303805

Abstract: Natural earthworm with ability of loosening soils that favors sustainable agriculture has inspired a worldwide interests in the design of intelligent actuators. Given the inability to carry heavy loads and uncontrolled deformation, the vast majority… read more here.

Keywords: cellulose acetate; programmable actuator; synthetic earthworm; actuator ... See more keywords
Photo by cokdewisnu from unsplash

Esophagus-Inspired Actuator for Solid Transportation via the Synergy of Lubrication and Contractile Deformation.

Sign Up to like & get
recommendations!
Published in 2021 at "Advanced science"

DOI: 10.1002/advs.202102800

Abstract: Directional transportation of objects has important applications from energy transfer and intelligent robots to biomedical devices. Although breakthroughs in liquid migration on 2D surfaces or 3D tubular devices have been achieved, realizing smooth/on-demand transportation of… read more here.

Keywords: transportation; esophagus inspired; deformation; force ... See more keywords
Photo from wikipedia

Reconfigurable Soft Actuators with Multiple-Stimuli Responses.

Sign Up to like & get
recommendations!
Published in 2020 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202000313

Abstract: Multiple-stimuli responsive soft actuators with tunable initial shapes would have substantial potential in broad technological applications, ranging from advanced sensors, smart robots to biomedical devices. However, existing soft actuators are often limited to single initial… read more here.

Keywords: soft actuators; stimuli responses; multiple stimuli; actuator ... See more keywords
Photo by sakethgaruda from unsplash

An electromagnetic actuator for brain magnetic resonance elastography with high frequency accuracy.

Sign Up to like & get
recommendations!
Published in 2021 at "NMR in biomedicine"

DOI: 10.1002/nbm.4592

Abstract: Our goal is to design, test and verify an electromagnetic actuator for brain magnetic resonance elastography (MRE). We proposed a grappler-shaped design that can transmit stable vibrations into the brain. To validate its performance, simulations… read more here.

Keywords: frequency; accuracy; actuator; actuator brain ... See more keywords
Photo by sharonmccutcheon from unsplash

Supervisory adaptive fault‐tolerant control against actuator failures with application to an aircraft

Sign Up to like & get
recommendations!
Published in 2018 at "International Journal of Robust and Nonlinear Control"

DOI: 10.1002/rnc.3883

Abstract: Summary In this paper, a supervisory adaptive fault-tolerant control scheme is proposed for a class of uncertain nonlinear systems with multiple inputs. The multiple inputs are the outputs of an actuator group that may act… read more here.

Keywords: fault tolerant; adaptive fault; control; tolerant control ... See more keywords
Photo from wikipedia

Observer‐based fault‐tolerant control of hypersonic scramjet vehicles in the presence of actuator faults and saturation

Sign Up to like & get
recommendations!
Published in 2019 at "International Journal of Robust and Nonlinear Control"

DOI: 10.1002/rnc.4004

Abstract: An adaptive sliding mode observer (SMO)–based fault‐tolerant control method taking into consideration of actuator saturation is proposed for a hypersonic scramjet vehicle (HSV) under a class of time‐varying actuator faults. The SMO is designed to… read more here.

Keywords: actuator faults; saturation; actuator; based fault ... See more keywords
Photo from wikipedia

Supervisory switching‐based prescribed performance control of unknown nonlinear systems against actuator failures

Sign Up to like & get
recommendations!
Published in 2020 at "International Journal of Robust and Nonlinear Control"

DOI: 10.1002/rnc.4878

Abstract: This article studies the fault‐tolerant control problem for unknown nonlinear strict‐feedback systems subject to actuator failures yet with dynamic redundancies. The prescribed performance control methodology is newly combined with a modification‐based supervisory switching strategy to… read more here.

Keywords: actuator; actuator failures; prescribed performance; unknown nonlinear ... See more keywords