Results 111 to 120 of about 12,904,917 (277)

Habitat‐Specific Design Strategies for Untethered Soft Robots

open access: yesAdvanced Science, EarlyView.
Habitat shapes the design of untethered soft robots. Across land, water, air, and living tissues, environmental constraints govern viable combinations of compliant structures, actuation mechanisms, and energy delivery. This review connects these constraints with robotic performance and identifies design principles for advancing adaptable, durable, and ...
Siyang Li   +3 more
wiley   +1 more source

Minimization of torque ripple in switched reluctance motor drives using an enhanced direct instantaneous control

open access: yes
Torque ripple is an inherent characteristic of switched reluctance motor drives due to its double salient geometry and it is a serious drawback in applications thatrequire smooth torque and high dynamic performances. This paper presents new contributions
Blanqué Molina, Balduino   +2 more
core  

Base Force/Torque Sensing for Position based artesian Impedance Control [PDF]

open access: yes, 2009
In this paper, a position based impedance controller (i.e. admittance controller) is designed by utilizing measurements of a force/torque sensor, which is mounted at the robot’s base.
Nakamura, Yoshihiko, Ott, Christian
core  

Catalytic Luminescent Polymer Micromotors With Shape‐Programmed Motion

open access: yesAdvanced Science, EarlyView.
A Janus micromotor is designed with an SiO2/Ti/ITO/PFN‐Br/Pt heterostructure with an engineered energy level. The ITO conductive interlayer facilitates efficient charge separation, generating interfacial electric fields and ionic gradients for enhanced light‐driven propulsion.
Yuyang Zhang   +5 more
wiley   +1 more source

Data‐Driven and Physics‐Informed Modeling Perspectives for Soft Manipulators: From SINDy to Hybrid Intelligence

open access: yesAdvanced Science, EarlyView.
This Perspective charts the modeling landscape for soft manipulators, spanning sparse system identification, neural dynamics, physics‐informed models and hybrid intelligence. We examine how physics, data, sensing, adaptation and control can assume complementary roles within this landscape, and provide a framework for selecting modeling approaches ...
Wenbo Hui   +4 more
wiley   +1 more source

Three-Vector-Based Model Predictive Direct Speed Control Strategy for Enhanced Target Tracking in Risley Prism Systems

open access: yesActuators
When the Risley prism pair is used for target tracking, the nonlinear relationship between beam deflection and prism rotation makes tracking performance highly dependent on precise and stable motor control over a wide speed range.
Hao Lu   +10 more
doaj   +1 more source

Are joint torque models limited by an assumption of monoarticularity? [PDF]

open access: yes, 2012
This study determines whether maximal voluntary ankle plantar flexor torque could be more accurately represented using a torque generator that is a function of both knee and ankle kinematics.
Yeadon, MR   +3 more
core  

Magnetoelectric Multiferroics for the Next‐Generation Ultralow‐Power Electronics

open access: yesAdvanced Science, EarlyView.
Magnetoelectric coupling provides a unifying route from electric‐field control of magnetic order to non‐volatile MeRAM, MESO logic, and emerging antiferromagnetic and magnonic devices. By connecting switching physics with device benchmarks, material platforms, and integration strategies, distinctive technological opportunities are identified alongside ...
Yang Liu   +13 more
wiley   +1 more source

Minimization of torque ripple in switched reluctance motor drives using direct instantaneous torque control

open access: yes, 2012
Torque ripple is an inherent characteristic of switched reluctance motor drives due to its double salient geometry and it is a serious drawback in applications that require smooth torque and high dynamic performances. This paper presents some contributions to the minimization of torque ripple in SRM using direct instantaneous torque control (DITC ...
Castro Soriano, Javier   +2 more
openaire   +1 more source

MagGami: An Electromagnetic Origami Actuator With High Stiffness‐Switching Density for Lightweight Joint‐Space Wearable Haptics

open access: yesAdvanced Science, EarlyView.
Concept of the MagGami‐based joint‐space haptic glove. a) Comparison between Cartesian‐space fingertip force feedback and distributed joint‐space torque feedback, highlighting the limitations of representative motor‐driven, pneumatic, and smart material‐based haptic actuators.
Tianhao Jin   +9 more
wiley   +1 more source

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