Results 211 to 220 of about 2,390,361 (275)

Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems

Advanced Electronic Materials, EarlyView.
Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang, Weipeng Wang, Xuan Cong, Shiyu Wang, Gao Li, Sen Gong, Lin Huang, Hongxin Zeng, Yaxin Zhang, Ziqiang Yang   +9 more
wiley   +1 more source

Emerging Memory and Device Technologies for Hardware‐Accelerated Model Training and Inference

Advanced Electronic Materials, EarlyView.
This review investigates the suitability of various emerging memory technologies as compute‐in‐memory hardware for artificial intelligence (AI) applications. Distinct requirements for training‐ and inference‐centric computing are discussed, spanning device physics, materials, and system integration.
Yoonho Cho, Dae‐won Kim, Yujin Kim, Jung‐Heum Na, Yuwon Jeong, Dong‐Yeop Lee, Shinhyun Choi   +6 more
wiley   +1 more source

Temperature‐Graded Deposition of HfZrOx for Ferroelectric Capacitors With Enhanced Polarization, Reliability, and Switching

Advanced Electronic Materials, EarlyView.
Temperature‐graded ALD of HfZrOx (HZO) enables strain‐enhanced stabilization of the ferroelectric o‐phase, achieving simultaneously high polarization, fast switching, and robust endurance in BEOL‐compatible FeCAPs. ABSTRACT Ferroelectric Hf0.5Zr0.5O2 (HZO) capacitors hold great promise for next‐generation nonvolatile memory and logic applications ...
Sheng‐Yen Zheng, Yin‐Chen Sun, Yu‐Cheng Kao, Hsin‐Yu Hsu, Pin‐Jiun Wu, Yung‐Hsien Wu   +5 more
wiley   +1 more source

Intrinsic Mechanical Parameters and their Characterization in Solid‐State Lithium Batteries

Advanced Energy Materials, Volume 15, Issue 11, March 18, 2025.
This review focuses on the intrinsic mechanical parameters and their associated characterization in solid‐state batteries. The physical significance of mechanics parameters is introduced with exhaustive classifications by elastic, plastic deformations and fracture in bulk, adhesion, friction at interfaces, and mechanical fatigue in cells ...
Shuai Hao, Qianyi Zhang, Xiangkang Kong, Zhaoxiang Wang, Xue‐Ping Gao, Paul R. Shearing   +5 more
wiley   +1 more source

Safety of Sodium‐Ion Batteries: Evaluation and Perspective from Component Materials to Cells, Modules, and Packs

Advanced Energy Materials, EarlyView.
This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim, Seoa Kim, Erik A. Wu, Darren H. S. Tan, Shawn Peng, Xiaolin Li   +5 more
wiley   +1 more source

Velocity Occupancy Space: Autonomous Navigation and Dynamic Obstacle Avoidance with Sensor and Actuation Error.

, 2012
Rachael Bis
openalex   +1 more source

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Avoidance of High-Speed Obstacles Based on Velocity Obstacles

2018 IEEE International Conference on Robotics and Automation (ICRA), 2018
For obstacles moving with high speeds, existing motion planning methods can rarely guarantee collision avoidance. This paper proposes a viable two-period velocity obstacle algorithm where one period predicts potential collisions within a limited time horizon, and the second period foresees collisions beyond that horizon.
Zhongchang Liu, Zeyu Jiang, Tianye Xu
exaly   +3 more sources

A velocity obstacles approach for autonomous landing and teleoperated robots

Autonomous Robots, 2019
Velocity obstacles (VO) are one of the most successful methods to compute collision-free trajectory for multi-agent systems. VO provide for each autonomous robot the set of velocities that avoids collisions with other robots (sharing or not the same motion policy) and with moving or static obstacles in the environment.
Riccardo Muradore, Muradore Riccardo
exaly   +3 more sources

Motion Planning in Dynamic Environments Using Velocity Obstacles

The International Journal of Robotics Research, 1998
This paper presents a method for robot motion planning in dynamic environments. It consists of selecting avoidance maneuvers to avoid static and moving obstacles in the velocity space, based on the cur rent positions and velocities of the robot and obstacles.
FIORINI, Paolo, Shiller Z.
openaire   +3 more sources

Prioritized group navigation with Formation Velocity Obstacles

2015 IEEE International Conference on Robotics and Automation (ICRA), 2015
We introduce the problem of navigating a group of robots having prioritized formations amidst static and dynamic obstacles. Our formulation allows users to define a number of template formations, each with a specified priority value. At each planning cycle, we compute a new formation which accounts for both these priority values and the safe progress ...
Ioannis Karamouzas, Stephen J. Guy
openaire   +2 more sources