Results 61 to 70 of about 49,153 (291)

Real-Time Planning with Multi-Fidelity Models for Agile Flights in Unknown Environments

open access: yes, 2019
Autonomous navigation through unknown environments is a challenging task that entails real-time localization, perception, planning, and control. UAVs with this capability have begun to emerge in the literature with advances in lightweight sensing and ...
Carter, John   +4 more
core   +1 more source

Biohybrid Actuators in Compact Arrangement with Embedded X Electrode

open access: yesAdvanced Robotics Research, EarlyView.
Selective control of multimuscle biohybrid actuators is crucial for achieving complex movements of biohybrid robots. In this study, embedded X electrodes are fabricated to selectively control multiple muscles, realizing the robotic finger's bidirectional movements.
Tingyu Li, Minghao Nie, Shoji Takeuchi
wiley   +1 more source

Should We Forget the Jerk in Trajectory Generation?

open access: yesVibration
This article explores whether jerk, the derivative of acceleration, should be limited in trajectory planning for position-controlled mechanical systems or in the controller.
Robbert van der Kruk
doaj   +1 more source

On the Possibility of the Jerk Derivative in Electrical Circuits

open access: yesAdvances in Mathematical Physics, 2016
A subclass of dynamical systems with a time rate of change of acceleration are called Newtonian jerky dynamics. Some mechanical and acoustic systems can be interpreted as jerky dynamics. In this paper we show that the jerk dynamics are naturally obtained
J. F. Gómez-Aguilar   +5 more
doaj   +1 more source

Adaptive, Observer-Based Synchronization of Different Chaotic Systems

open access: yesApplied Sciences, 2022
In this study, the problem of master–slave synchronization of two different chaotic systems is considered and solved under a novel set of assumptions. The mathematical model of each of them contains unknown, constant parameters.
Jacek Kabziński, Przemysław Mosiołek
doaj   +1 more source

Nanomaterial‐Based Muscle Cell/Neural Tissue Biohybrid Robots: From Actuation to Biomedical Applications

open access: yesAdvanced Robotics Research, EarlyView.
Muscle cell‐based biohybrid robot using nanomaterials for function enhancement and neural function for biomedical applications. Biohybrid robotics, an emerging field combining biological tissues with artificial systems, has made significant progress in developing various biohybrid constructs, including muscle‐cell‐driven biorobots and microbots.
Minkyu Shin   +4 more
wiley   +1 more source

On least-cost path for realistic simulation of human motion [PDF]

open access: yes, 2011
We are interested in "human-like" automatic motion simulation with applications in ergonomics. The apparent redundancy of the humanoid wrt its explicit tasks leads to the problem of choosing a plausible movement in the framework of redundant kinematics.
Chiron, Pascale   +2 more
core  

Feedrate planning for machining with industrial six-axis robots [PDF]

open access: yes, 2010
The authors want to thank Stäubli for providing the necessary information of the controller, Dynalog for its contribution to the experimental validations and X.
BEAREE, Richard   +3 more
core   +6 more sources

Brain‐Adhesive Bioelectronics With Shape‐Morphable and Biodegradable Properties for Stable Brain Signal Monitoring

open access: yesAdvanced Science, EarlyView.
A brain‐adhesive sensor (B‐Sensor) was developed by integrating a self‐healing biodegradable elastomer, a tissue‐adhesive hydrogel, and molybdenum electrodes. The B‐Sensor adheres to brain tissue, conforms to cortical curvatures, and maintains stable electrical performance over the intended period for reliable recording of spatiotemporal brain activity
Heewon Choi   +8 more
wiley   +1 more source

Characteristics of Jerk Response Spectra for Elastic and Inelastic Systems

open access: yesShock and Vibration, 2015
Jerk is the time rate of acceleration and mainly represents the nonstationary component in high frequency band of the earthquake wave. The study on jerk and its response spectra can enhance the recognition of the nonstationary ground motion.
Haoxiang He, Ruifeng Li, Kui Chen
doaj   +1 more source

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