Results 261 to 270 of about 988,651 (350)

A comparative study on trajectory tracking control methods for automated vehicles. [PDF]

open access: yesSci Rep
Zeng D   +8 more
europepmc   +1 more source

A Study on Optimal Data Bandwidth of Recurrent Neural Network–Based Dynamics Model for Robot Manipulators

open access: yesAdvanced Intelligent Systems, EarlyView.
In this article, RNN–based learning method is proposed to achieve overall dynamic model of robot manipulators, which is established by optimal data‐bandwidth. The optimal data‐bandwidth is developed as a key behavior of the proposed method, which is designed on the loss function and its derivative.
Seungcheon Shin   +2 more
wiley   +1 more source

UP3: Unsupervised Predictive Path Planner for Mobile Robots in Unknown Environment

open access: yesAdvanced Intelligent Systems, EarlyView.
In this article, an unsupervised learning‐based predictive path planning framework UP3 for mobile robots is introduced. The framework employs attention‐based path optimization, control barrier functions, and a deep constraint correction module. UP3 allows the robot to use local observation to generate smooth, safe, and collision‐free path points toward
Jianing Luo   +4 more
wiley   +1 more source

Self‐Rhythmic Soft Pneumatic Pressure Regulation System Based on Self‐Excited Oscillation of Jet Hose

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents a soft pneumatic pressure regulation system that uses self‐excited hose oscillations to convert constant pressure (90–150 kPa) into rhythmic output. Simulations and experiments demonstrate tunable oscillation frequencies (5.9–11.1 Hz) through adjustments in pressure, hose length, and jet hole diameter.
Fenglin Han   +6 more
wiley   +1 more source

Design, Modeling, and Control of a Soft Robotic Diaphragm‐Assist Device in a Respiratory Simulator

open access: yesAdvanced Intelligent Systems, EarlyView.
A soft robotic diaphragm‐assist device using fabric‐based pneumatic actuators with a 2‐step control system to optimize synchronization and support is introduced. This system can detect the initiation of breathing to trigger assistance and regulate pressures to provide the correct level of inhalation augmentation. Validation and testing are completed on
Diego Quevedo‐Moreno   +5 more
wiley   +1 more source

Probing the Nonlinear Chiroptical Activity of Multiturn Aromatic Helices Using Linearly Polarized Light

open access: yesAngewandte Chemie, EarlyView.
Chiral aromatic helices of different lengths were prepared, and their nonlinear optical activity was investigated using only linearly polarized incident light. Second‐harmonic scattering studies revealed distinct chiral and achiral contributions to the signal, thereby uncovering an intriguing relationship between the structure of the helices and their ...
Rita Borges‐Anastácio   +6 more
wiley   +2 more sources

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