Results 11 to 20 of about 1,957 (147)
Research on key technologies of safety monitoring data sharing for railway engineering construction based on blockchain [PDF]
, 2021 In order to solve the problems that the monitoring data was easy to be tampered with in the process of railway engineering construction safety monitoring, and the authenticity of the data might be questioned during the accountability of accidents, a ...
Chunhui PIAO +3 more
core +1 more source
BFV-Blockchainvoting: blockchain-based electronic voting systems with BFV full homomorphic encryption [PDF]
, 2022 Current electronic voting systems mostly relied on central server and the trusted third party, this kind system architecture increases the security risks of voting, and even makes voting fail.In order to solve this issue, an electronic voting system BFV ...
Deli LIU +4 more
core +1 more source
全球能源互联网, 2022 质子交换膜燃料电池堆的电效率约为50%，电化学反应剩余的能量要以热量的形式散失，造成巨大能量浪费，开发基于燃料电池的热电联产系统可以高效地产生电力和热水，并显著提高系统的能量效率。在MATLAB/Simulink平台上搭建了70 kW级燃料电池热电联产系统，包括燃料电池电模型、热管理模型和热电联产系统综合动态模型，并开发了一种智能控制算法进行水热管理，将电堆运行温度控制在70 ℃左右，在保证电堆正常运行的前提下，提升热能回收效率并降低系统寄生功率。结果表明该系统可以有效地回收燃料电池反应所产生的废热 ...
符昊宇 +6 more
doaj +1 more source
Public key searchable encryption scheme in blockchain-enabled multi-user environment [PDF]
, 2021 In order to meet the needs of data security sharing in multi-user environment, a public key searchable encryption scheme supporting one-to-many mode was proposed.Specifically, the data owner could specify multiple users to retrieve the ciphertext by ...
Dong ZHENG, Rui GUO, Tianze ZHU
core +1 more source
Developmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019 目的 本国际临床指南由欧洲残疾儿童学会（the European Academy of Childhood Disability，EACD）牵头制定，旨在解决发育性协调障碍（developmental coordination disorder，DCD）的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题，通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础，以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类，最终转化为指南建议。并由国际 ...
Jing Hua +6 more
wiley +1 more source
Public key searchable encryption scheme based on blockchain [PDF]
, 2020 Aiming at the trapdoor security problem of the public key encryption scheme,a random number constructing trapdoor and index was introduced to defend against keyword guessing attacks from the server and avoid data leakage caused by server curious behavior.
Ailun TAN, Junfeng TIAN, Ruizhong DU
core +1 more source
, 2023 区块链技术凭借其开放、共享、协同的技术形态与构建能源互联网和建设新型电力系统的战略目标高度契合，成为能源电力转型的重要技术基础，能源电力区块链领域标准的缺失，使得区块链技术的应用和推广缺乏有效的规范和指导，严重制约了能源电力区块链的发展。首先，全面梳理国内外区块链技术及其在能源电力领域应用的标准化现状，指出现状不足。其次，分析区块链技术与碳交易、绿电交易、分布式交易等低碳化典型应用场景的匹配性，然后，按照GB/T 12366—2009《综合标准化工作指南 ...
李达 +4 more
core +1 more source
Verifiable attribute-based searchable encryption scheme based on blockchain [PDF]
, 2020 For the problem that the shared decryption key lacks of fine-grained access control and the search results lacks of correctness verification under one-to-many search model,a verifiable attribute-based searchable encryption scheme based on blockchain was ...
Xiaohan YUAN +3 more
core +1 more source
智能科学与技术学报, 2022 路径规划算法被广泛地应用于各种运动规划任务，如机器人运动、自动驾驶等。迄今为止，许多优秀的路径规划算法被提出并被应用于不同领域。对于一个特定的任务环境，选择合适的路径规划算法能更高效地规划出满足约束条件的较优路径。基于群体智能成果，以遗传编程算法为框架，研究快速扩展随机树（RRT）路径规划算法及其变种RRT-Star路径规划算法、RRT-Star-Smart路径规划算法在不同任务环境下的适应度及路径规划效率，设计出一个路径规划程序自动生成系统。该系统能自主分析当前环境地图特征，并结合 RRT ...
王雨倩, 丁嵘
doaj +1 more source
Endogenous trusted network architecture for intelligent sharing [PDF]
, 2020 To address the needs of intelligent sharing of network resources,blockchain and artificial intelligence were integrated with the network,and an endogenous trusted resource intelligent sharing network architecture was proposed to make network asset ...
Feng QI +5 more
core +1 more source