Self-Powered Electronic Skin for Remote Human–Machine Synchronization

Abstract

Human–machine interaction (HMI) allows the transfer of human intent to the robot and the collection of feedback from the robot. Human perception of the outside world is a direct response to human brain training, but low-level perception movements of robots are more complex than advanced reason. In the study, we designed a self-powered electronic skin (SPES) based on a piezoelectric nanogenerator (PENG). SPES shows a good piezoelectric effect and certain mechanical flexibility and can realize gesture recognition and tracking by sensing external pressure stimulation in HMI. Through the feedback control of the closed-loop system, the equivalent behavior trigger of the real intelligent robotic capacitive touch sensors (CATS) and SPES can be realized. SPES and Robot Hall Rotary Position Sensor (HRPS) have small perceptual errors, and remote signal feedback and behavior control of intelligent robots are realized by wireless transmission equipment, which is a greater advantage in a flexible environment. The proposed SPES tracking application in the HMI has great potential in the future artificial intelligence environment, the auxiliary equipment for people with disabilities, and the human–machine cooperation in a flexible environment.

Electrospun Cellulose Nanofiber Membranes as Multifunctional Separators for High Energy and Stable Lithium-Sulfur Batteries

“…Therefore, we believe that the electrospun cellulose separators reported herein are highly promising alternatives to synthetic polymer separators for applications in lithium-based batteries. And then, recently, technologies that can prevent failures and fires that may occur during the operation of battery-based devices have been actively researched by combining AI and ICT technologies [84][85][86]. If the various benefits and disadvantages of the electrospinning-based cellulose separator for lithium-sulfur batteries are analyzed in more detail through the above technologies, it is expected that the future of cellulose-based separators for lithium-sulfur batteries can be further advanced.…”

The Progress of Hard Carbon as an Anode Material in Sodium-Ion Batteries

“…The lithium-ion batteries are the most mature energy storage devices at present, but their high cost and poor safety stagnate their commercial application [ 3 , 4 , 5 ]. Researchers are committed to finding products with a capacity and service life comparable to lithium-ion batteries, with lower costs and better safety performance, to satisfy the energy storage requirements of large-scale power grids in the country [ 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 ]. After long-term efforts, scientists finally found that sodium-ion batteries are the most promising alternatives to lithium-ion batteries [ 17 , 18 , 19 , 20 , 21 , 22 , 23 ].…”

Manipulating mechanical properties of CaTiO3:Eu3+ flexible fiber membrane by fiber design

“…This multileveled structure allows for the formation of functional primitive structures, such as ordered, gradient, and disordered structures 19–23 . These functional primitive structure will bring excellent macro properties to the material, such as mechanical, electrical, optical, and thermal properties, including high piezoelectric coefficient, catalytic efficiency, electrochemical performance, and efficient photothermal conversion 24–31 . The effect of functional element structure on the mechanical properties of fiber materials is mainly related to the control ability of electrospinning.…”