机电学院是北京理工大学以军为主、军民融合、具有鲜明军工特色的主要院系之一,其前身是成立于1954年的第二机械系(弹药系),经过半个多世纪的建设与发展,特别是改革开放以来,已形成多学科、多层次的办学实体,学科专业和科学研究国防特色鲜明,办学实力雄厚,规模不断扩大,质量不断提高,各项工作都取得了明显成绩... [详细]
作者: Zhang,Jin12;Shi,Yanjiao1;Yang,Jinyu1;Guo,Qianqian1; (1School of Computer Science and Information Engineering, Shanghai Institute of Technology, Shanghai, China;2School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China)
出处: Neurocomputing 2024 Vol.572
摘要: Most existing salient object detection (SOD) models are difficult to apply due to the complex and huge model structures. Although some lightweight mod ...
作者: Ruitong Du1;Guoqing Wang1;Ning Zhang1;Liang Chen1;Wenchao Liu1; (1National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China)
出处: IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2024 Vol.17 P2448-2460
关键词: Feature extraction;Remote sensing;Adaptation models;Scene classification;Training;Task analysis;Sensors
摘要: Unsupervised domain adaptation (UDA) methods have become a research hotspot in remote sensing scene classification to reduce dependence on labeled sam ...
作者: Ruiheng Zhang1;Zhe Cao1;Shuo Yang2;Lingyu Si3;Haoyang Sun1;Lixin Xu1;Fuchun Sun4; (1School of Mechatronical Engineering, State Key Laboratory of Electromechanical Dynamic Control, Beijing Institute of Technology, Beijing, China 2Faculty of Electronic and Information Technology, University of Technology Sydney, Sydney, NSW, Australia 3Science and Technology on Integrated Information System Laboratory, Institute of Software Chinese Academy of Sciences, Beijing, China 4Department of Computer Science and Technology, State Key Laboratory of Intelligent Technology and Systems, Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing, China)
出处: IEEE Transactions on Neural Networks and Learning Systems 2024 P1-14
关键词: Cognition;Noise measurement;Estimation;Sparse matrices;Sun;Matrix converters;Adversarial machine learning
摘要: The label transition matrix has emerged as a widely accepted method for mitigating label noise in machine learning. In recent years, numerous studies ...
作者: 伍俊英,方汇璇,尚伊平,李钧剑,王健宇,陈朗 (北京理工大学爆炸科学与技术国家重点实验室)
出处: 含能材料 2024 第1期
关键词: 含能共晶;反应力场;分子动力学;冲击波;反应机理
摘要: 共晶技术是降低六硝基六氮杂异伍兹烷(CL-20)感度的有效方法之一,研究冲击作用下CL-20 共晶的化学反应,有助于理解CL-20 共晶的冲击反应机制,对炸药安全评价分析具有重要意义。本研究采用ReaxFF-lg 反应力场的分子动力学方法,同时结合非平衡加载方法,对CL-20/2,5-二硝基甲苯(D ...
作者: Wang Y;Tian Y;Zhu J;She H;Jiang Y;Jiang Z;Yokoi H (School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China. ; School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China. ; School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China. ; School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China. ; Faculty of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan. ; School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China. ; Faculty of Informatics and Engineering, The University of Electro-Communications, Tokyo, Japan. ;)
出处: Cyborg and bionic systems (Washington, D.C.) 2024 Vol.5 P66
摘要: The electromyography(EMG) signal is the biocurrent associated with muscle contraction and can be used as the input signal to a myoelectric intelligent ...
作者:
Feng, Yue1;
出处: Results in Physics 2024 Vol.61
关键词: Image multipole method;Infinite plane assumption;Particle–plane electrostatic interaction model;Point charge assumption;Re-expansion method
摘要: The solutions for the electrostatic interacting force between a particle and a plane typically assume that the plane is infinite and the particle can ...
作者: 张瑞宇,王雨晴,任佳伟 (机电动态控制重点实验室(北京理工大学);中国电科网络通信研究院)
出处: 发电技术 2024 第3期
关键词: 便携式发电设备;固体氧化物燃料电池(SOFC);催化部分氧化(CPOx);丙烷;耦合特性
摘要: 【目的】便携式固体氧化物燃料电池(solid oxide fuel cell,SOFC)系统包含气体供给模块、燃料处理模块、SOFC发电模块、热管理模块、尾气处理模块和控制模块等,其中,燃料处理模块与SOFC发电模块之间存在复杂的耦合匹配关系,明确模块间的耦合特性对提升系统性能以及运行寿命十分关键。 ...
作者: 薛东宇,吴成,安丰江 (北京理工大学爆炸科学与技术国家重点实验室)
出处: 兵器装备工程学报 2024 第45卷 第6期 P58-65,274
关键词: 聚能装药;药型罩;重金属材料;水钢板介质;运动特性;侵彻毁伤
摘要: 针对不同材料密度的聚能侵彻体对水介质的侵彻特性和对后效靶的毁伤效果,提出了一种描述射流侵彻水介质过程中速度衰减和头部直径变化的理论模型。结合数值模拟和实验结果,对比了等壁厚或等重量条件下钽合金、钨铜合金和紫铜药型罩所形成的射流杆在穿过一定厚度水介质后对后效钢板的毁伤威力。结果表明:建立的理论模型能够 ...
作者: 王普毅1;,范天峰1,2;,张太平1;,汪立国1;,周加永1,3;,刘丹1; (1西北机电工程研究所;2西安交通大学航天航空学院;3北京理工大学机电学院)
出处: 兵器装备工程学报 2024 第45卷 第6期 P150-158
关键词: 车载防空武器;结构优化;正向设计;轻量化;多目标优化
摘要: 为满足武器装备轻量化的迫切需求,提升装备结构优化设计水平,提出了一种代理模型辅助多目标优化的结构正向设计方法。按照从概念设计到参数优化设计的流程,通过优化信息交互和代理模型重构来实现结构多目标优化设计。以轻型车载高炮弹箱架优化设计为例,首先,根据拓扑优化获得的最佳传力路径,建立几何模型和有限元分析模 ...
作者: 杨昊伟,龚鹏,张继豪,王卫东,唐飞喜,周子骄,张广为 (北京理工大学机电学院)
出处: 兵工学报 2024 第4期 P1186-1195
关键词: 交互接口;Link16数据链; 虚拟机; QualNet MAC层; 网络仿真
摘要: Link16是美国国防部采用的高速视距战术数据链,广泛应用于美国海军、联合部队和北约部队,针对其开展测试评估具有重要军事意义。通过硬件在环技术将Link16实物设备接入到仿真测试中,可有效提高测试结果的真实性和准确性。然而当测试场景需要进行实物设备组网测试时,仍会带来成本问题。为此,提出一种面向Qu ...