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: 李彪,丁泉富,徐奴文,戴峰,许媛,曲宏略 (School of Geoscience and Technology,Southwest Petroleum University;State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology;State Key Laboratory of Hydraulics and Mountain River Engineering,College of Water Resource and Hydropower,Sichuan University;Department of Engineering Science,University of Oxford)
出处: Journal of Central South University 2022 第29卷 第2期 P693-711
关键词: 地下厂房洞室群;围岩大变形;应力水平;微震监测;b值
摘要: 地下厂房洞室群围岩大变形已成为中国西南地区水电工程的严重灾害,围岩大变形孕育过程中将产生一系列的岩石破裂,运用微震监测技术可监测到这些破裂信息。在地应力水平不同的两个典型地下厂房洞室群构建精度微震监测系统,分析了围岩大变形微震b值及其时间变化特征。结果表明,高地应力地下厂房洞室群围岩大变形过程微震b ...
作者: Xiangyong, Zhang1;Haipeng, Liu2;Tingrui, Peng1;Bin, Su1;Huiyuan, Guan1; (1School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China;2State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, China)
出处: Lecture Notes in Electrical Engineering 2022 Vol.799 P668-681
关键词: Halbach array;Low frequency;Magnetoelectric conversion
摘要: The magnetic focusing effect of Halbach array has a wide range of applications in many areas. In this paper, based on the general theory of static mag ...
作者: SHUAILONG ZHANG,MOHAMED ELSAYED,RAN PENG,YUJIE CHEN,YANFENG ZHANG,STEVEN L.NEALE,AARON R.WHEELER (School of Mechatronical Engineering,Beijing Institute of Technology;Beijing Advanced Innovation Center for Intelligent Robots and Systems,Beijing Institute of Technology;Department of Chemistry,University of Toronto;Institute of Biomedical Engineering,University of Toronto;Donnelly Centre for Cellular and Biomolecular Research,University of Toronto;Department of Marine Engineering,Dalian Maritime University;State Key Laboratory of Optoelectronic Materials and Technologies,School of Electronics and Information Technology,Sun Yat-sen University;James Watt School of Engineering,University of Glasgow)
出处: Photonics Research 2022 第10卷 第2期 P550-556
摘要: Optoelectronic tweezer(OET) is a useful optical micromanipulation technology that has been demonstrated for various applications in electrical enginee ...
作者: Yuan-Yuan Tan,Zhong-Jun Chen,Ming-Yao Su,Gan Ding,Min-Qiang Jiang,Zhou-Can Xie,Yu Gong,Tao Wu,Zhong-Hua Wu,Hai-Ying Wang,Lan-Hong Dai (State Key Laboratory of Nonlinear Mechanics,Institute of Mechanics,Chinese Academy of Sciences;Institute of High Energy Physics,Chinese Academy of Sciences & Graduate,University of Chinese Academy of Sciences;School of Engineering Science,University of Chinese Academy of Sciences;Zhejiang Institute of Mechanical & Electrical Engineering;State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology)
出处: Journal of Materials Science & Technology 2022 第104卷 第9期 P236-243
摘要: Deformation mechanisms and magnetic properties of medium and high entropy alloys(MEA/HEAs)closely relate to lattice distortion and are strongly temper ...
作者: 张红莉,李月琴,韩磊,齐英杰,张维 (北京联合大学智慧城市学院;北京理工大学机电学院)
出处: 探测与控制学报 2022 第2期
关键词: 高分辨距离像;目标识别;特征提取;深度神经网络;轻量级梯度提升机
摘要: 针对传统的HRRP目标识别方法识别率低、模型泛化能力不足等问题,提出基于轻量级梯度提升机(LGBM)和深度神经网络的HRRP目标识别方法。该方法采用LGBM特征选择算法对提取的HRRP具有明确物理意义、统计特性和平移不变性的特征分量进行二次特征选择,以减少特征冗余和样本维度,有利于目标识别速度的提升 ...
作者: 刘澜,薛琨,史晓亮,李建平 (北京理工大学机电学院)
出处: 气体物理 2022 第7卷 第2期 P40-48
关键词: 冲击波加载;准二维;爆轰管;Hele-Shaw;Cell;波形可调
摘要: 基于竖直爆轰管和径向Hele-Shaw Cell, 设计并搭建了一套准二维柱面爆炸波加载装置, 可以实现对Hele-Shaw Cell内部材料界面的径向冲击加载. 竖直爆轰管内部的预混气体在底部点燃后, 形成向上传播的冲击波, 冲击波冲破爆轰管开口与Hele-Shaw Cell底板开孔之间的隔膜后, ...
作者: 边有钢,杨依琳,胡满江,杜长坤,徐彪,秦兆博 (湖南大学机械与运载工程学院;湖南大学无锡智能控制研究院;北京理工大学机电学院)
出处: 中国公路学报 2022 第35卷 第3期 P66-77
关键词: 汽车工程;混合车辆队列协同控制;闭环稳定性;队列稳定性;队列规模;通信拓扑
摘要: 车辆队列控制在提高驾驶安全性、提升交通流量、改善燃油经济性方面具有巨大潜力。现有车辆队列控制研究多针对完全由网联自动驾驶车辆组成的队列,难以应用于实际混合交通环境,而现有混合队列控制研究通常仅考虑网联自动驾驶车辆跟驰控制目标,而忽略了其对后方交通流与队列稳定性的影响。为此,研究了混合人工驾驶车辆与网 ...
作者: 刘瑞峰,王昕捷,黄风雷,黄亨建 (北京理工大学爆炸科学与技术国家重点实验室;中国工程物理研究院化工材料研究所)
出处: 兵工学报 2022 第43卷 第2期 P287-296
关键词: 熔铸炸药;2,4-二硝基苯甲醚;烤燃;点火响应;细观计算
摘要: 2,4-二硝基苯甲醚(DNAN)/奥克托今(HMX)熔铸炸药在烤燃过程中会发生DNAN熔化、HMX晶型转变等特征现象。为研究其烤燃响应特性,发展了DNAN熔化-化学反应动力学模型,结合HMX四步化学反应动力学模型,从宏观和细观尺度研究了DNAN基熔铸炸药的熔化、晶型转变及点火响应。宏观计算结果表明: ...
作者: Xiang Chen;Cong Zhang;Wenli Cao;Zhaoqi Guo;Jianguo Zhang;Haixia Ma (School of Chemical Engineering / Xi\'an Key Laboratory of Special Energy Materials, Northwest University, Xi\'an 710069, Shaanxi, PR China School of Chemical Engineering / Xi\'an Key Laboratory of Special Energy Materials, Northwest University, Xi\'an 710069, Shaanxi, PR China State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, PR China School of Chemical Engineering / Xi\'an Key Laboratory of Special Energy Materials, Northwest University, Xi\'an 710069, Shaanxi, PR China;. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, PR China School of Chemical Engineering / Xi\'an Key Laboratory of Special Energy Materials, Northwest University, Xi\'an 710069, Shaanxi, PR China;.)
出处: Arabian Journal of Chemistry 2022 Vol.15 No.7 P103880
关键词: Energetic materials;Tetrazine;Asymmetric substitution;Detonation performances
摘要: Tetrazine compounds are promising candidates of high performance energetic materials (EMs). For the purpose of exploring high performance asymmetrical ...
作者: 沈忱,闫石,姚杰,焦清介,廖明义,常云飞 (北京理工大学爆炸科学与技术国家重点实验室;大连海事大学交通运输工程学院材料科学与工程系)
出处: 兵工学报 2022 第4期
关键词: 端羟基共聚醚;液态氟橡胶;铝粉;热稳定性;氧化能力
摘要: 利用氟化物促进铝粉的燃烧是近年来含能材料领域的热点。选用含氟量较高的端羟基液态氟橡胶作为氟源,将其引入端羟基嵌段共聚醚(HTPE)粘合剂体系中,制备不同氟橡胶含量的改性HTPE胶片,并对改性胶片的微观形貌、力学特性、热稳定性和氧化能力进行测试分析。结果表明:随着液态氟橡胶含量的增加,胶片的力学性能先 ...