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An Improved Generalized Hierarchical Estimation Framework with Geostatistics for Mapping Forest Parameters and Its Uncertainty: A Case Study of Forest Canopy Height
forest up-scaling regression kriging uncertainty LiDAR
2023/12/1
Forest canopy height is an essential parameter in estimating forest aboveground biomass (AGB), growing stock volume (GSV), and carbon storage, and it can provide necessary information in forest manage...
Hierarchical magnesium oxide microspheres for removal of heavy ions from water and efficient bacterial inactivation
magnesium oxide heavy ions bacterial inactivation
2023/6/21
Hierarchical magnesium oxide (MgO) microspheres with high adsorption capacity of heavy metal ions and potent antibacterial activity were synthesized by an aerosol-assisted method. It is a facile, effi...
Fabrication of hierarchical core-shell AlPO4@Al(OH)(3) with high flame-retardant performance
AlPO4@Al(OH)(3) Flower-like shell In-situ growth Flame retardant Ceramic char residues
2023/6/21
A high-efficient composite of flame retardant (CFR) composed of an aluminum hydroxide (ATH) core and an aluminum phosphate (AP) flower-like shell was synthesized by an in-situ growth method, which is ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：HT-Net: Hierarchical Transformer based Operator Learning Model for Multiscale PDEs
HT-Net 分层变压器 多尺度 偏微分方程 算子学习模型
2023/5/6
Complex nonlinear interplays of multiple scales give rise to many interesting physical phenomena and pose major difficulties for the computer simulation of multiscale PDE models in areas such as reser...
Nature may abhor a vacuum, but it sure loves structure. Complex, self-organized assemblies are found throughout the natural world, from double-helix DNA molecules to the photonic crystals that make bu...
中国地质大学科学技术发展院徐景喆，葛明峰等，机电学院，IEEE Transactions on Industrial Electronics (2021)，Force-reflecting hierarchical approach for human-aided teleoperation of NRS with event-triggered local communication（图）
新型；半自主；网络化；机器人；遥操作；控制系统
2021/10/14
近日，中国地质大学机电学院葛明峰副教授团队硕士研究生徐景喆以第一作者在工业电子领域顶尖期刊《IEEE Transactions on Industrial Electronics》（IF= 7.515）上刊发研究成果。该文首先构建了一种新型半自主网络化从机器人的遥操作控制系统，并提出了力反馈分层控制框架解决了该系统的同步及编队跟踪问题。
中国地质大学科学技术发展院吴奕德，葛明峰*等，机电学院，Nonlinear Dynamics（2020），Task-space bipartite tracking of networked robotic systems via hierarchical finite-time control
非线性；动力学领域
2021/10/15
近日，机电学院葛明峰副教授团队硕士研究生吴奕德以第一作者在非线性动力学领域《Nonlinear Dynamics》期刊上刊发研究成果。该文设计了几种新的有限时间控制算法，成功解决了多机器人系统在多种情况下的竞争一致跟踪问题。
中国地质大学科学技术发展院梁昌铎，葛明峰*等，机电学院，IEEE Transactions on Cybernetics (2020)，Output Multiformation Tracking of Networked Heterogeneous Robotic Systems Via Finite-time Hierarchical Control
有限时间；分层控制；算法
2021/10/15
近日，机电学院葛明峰副教授团队硕士研究生梁昌铎以第一作者在控制领域《IEEE Transactions on Cybernetics》（IF=10.387）期刊上刊发研究成果。该文设计了几种新型的有限时间分层控制算法成功地解决了多机器人系统的多编队跟踪问题。此外，该文还提出的一套系统的稳定性分析方法，能为相关的多群集行为问题分析提供理论指导。
Super light 3D hierarchical nanocellulose aerogel foam with superior oil adsorption
3D Hierarchical structure Nanocellulose Aerogel foam Oil adsorption
2024/2/28
In this work, the concentration effect of both nanocellulose and sodium dodecylsulfate (SDS) on the fabrication of a super light 3D hierarchical framework adsorbent nanocellulose aerogel foam (NAF) is...
Simplified Revocable Hierarchical Identity-Based Encryption from Lattices
Lattices Identity-based encryption Revocation
2019/8/14
As an extension of identity-based encryption (IBE), revocable hierarchical IBE (RHIBE) supports both key revocation and key delegation simultaneously, which are two important functionalities for crypt...
Arcula: A Secure Hierarchical Deterministic Wallet for Multi-asset Blockchains
Hierarchical Deterministic Wallet Hierarchical Key Assignment Bitcoin Blockchain
2019/6/19
This work presents Arcula, a new design for hierarchical deterministic wallets that significantly improves the state of the art. Arcula is built on top of provably secure cryptographic primitives. It ...
Hierarchical Attribute-based Signatures: Short Keys and Optimal Signature Length
Attribute-based Signatures delegation hierarchy path anonymity
2019/4/16
With Attribute-based Signatures (ABS) users can simultaneously sign messages and prove compliance of their attributes, issued by designated attribute authorities, with some verification policy. Neithe...
Tightly secure hierarchical identity-based encryption
hierarchical identity-based encryption tight security affine message authentication codes
2019/1/26
We construct the first tightly secure hierarchical identity-based encryption (HIBE) scheme based on standard assumptions, which solves an open problem from Blazy, Kiltz, and Pan (CRYPTO 2014). At the ...
A fully distributed revocable ciphertext-policy hierarchical attribute-based encryption without pairing
Cloud computing Hierarchical attribute-based encryption Access control
2018/11/20
Several appealing features of cloud computing such as cost-effectiveness and user-friendliness have made many users and enterprises interested to outsource their sensitive data for sharing via cloud. ...
HIERARCHICAL PATH PLANNING FOR WALKING (ALMOST) ANYWHERE
Path planning Clustering algorithms LiDAR Terrain mapping Graph theory Cost function, Walking Open data
2018/11/8
Computerized path planning, not constrained to transportation networks, may be useful in a range of settings, from search and rescue to archaeology. This paper develops a method for general path plann...