Results 91 to 100 of about 1,655,438 (284)
Liquid Crystalline Elastomers in Soft Robotics: Assessing Promise and Limitations
Liquid crystalline elastomers (LCEs) are programmable soft materials that undergo large, anisotropic deformation in response to external stimuli. Their molecular alignment encodes directional actuation in a monolithic structure, making them long‐standing candidates for soft robotic systems.
Justin M. Speregen, Timothy J. White
wiley +1 more source
Information metasurfaces and reconfigurable intelligent surfaces
Long Li, Rui Zhang, Tie Jun Cui
doaj +1 more source
An enhanced universal gripper combining rigid mechanics with self‐adaptable fingers is presented for industrial automation. The novel six‐bar linkage with integrated compliant pad eliminates mechanical interference while enabling passive shape adaptation.
Muhammad Usman Khalid +7 more
wiley +1 more source
Passive Transmissive Reconfigurable Intelligent Surface
Reconfigurable intelligent surfaces (RISs) have been extensively studied as a key technology for advanced 6G communications. Although active RIS systems present innovative opportunities for wave manipulation and communication, they are hindered by their ...
Xiangming Wu +4 more
doaj +1 more source
Performance Analysis of STAR-RIS Assisted NOMA Systems With Hardware Impairments
Unlike conventional reconfigurable intelligent surfaces (RIS), simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) have been used to achieve a more flexible degree of freedom in signal propagation.
Huashen Luo +3 more
doaj +1 more source
Reconfigurable Intelligent Surfaces for OTA Testing: Wireless Cable
In our study, we demonstrate in simulations a novel application of Reconfigurable Intelligent Surfaces (RIS) for Over-The-Air (OTA) evaluation of antenna systems and wireless devices that includes the synthesis of a 'wireless cable' environment.
Iupikov, Oleg, +4 more
core +1 more source
Cross‐Scale Hierarchical Targeted Delivery System Based on Small‐Scale Magnetic Robots
This article reviews a cross‐scale hierarchical targeted delivery system that integrates magnetic continuum robots and magnetic microrobots. By combining rapid long‐range navigation with precise microscale targeting, the system overcomes key limitations of single‐scale approaches.
Junjian Zhou +4 more
wiley +1 more source
Space–Time Coded Differential Modulation for Reconfigurable Intelligent Surfaces
Reconfigurable Intelligent Surfaces (RIS) hold the promise of significantly improving coverage, as well as spectral and energy efficiency in wireless communication systems.
Jiawei Qiu, Harry Leib
doaj +1 more source
Reconfigurable Intelligent Computational Surfaces: When Wave Propagation Control Meets Computing [PDF]
The envisioned sixth-generation (6G) of wireless networks will involve an intelligent integration of communications and computing, thereby meeting the urgent demands of diverse applications.
Huang, Chongwen +8 more
core
STAR-RISs: Simultaneous Transmitting and Reflecting Reconfigurable Intelligent Surfaces
In this letter, simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) are studied. Compared with the conventional reflecting-only RISs, the coverage of STAR-RISs is extended to 360 degrees via simultaneous transmission ...
Liu, Yuanwei +3 more
core +1 more source

