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: 王淮斌1,2,3;李阳1;王钦正1,3;杜志明3;冯旭宁2; (1中国人民警察大学;2清华大学汽车安全与节能国家重点实验室;3北京理工大学爆炸科学与技术国家重点实验室)
出处: 工程科学学报 2021 第43卷 第5期 P663-675
关键词: 锂离子电池;热失控;热失控蔓延;储能;安全性
摘要: 以电动汽车车用额定容量为42 A·h的三元方壳锂离子电池单体和模组为研究对象,研究其在加热条件下单体的绝热热失控特性及成组后侧向加热热失控蔓延特性.结果表明,锂离子电池在发生热失控时,内部最高温度可达920℃,电池表面和内部最大温差达403℃;热失控首先在迎向热流的面触发,随后蔓延至整个电池;满电状 ...
作者: 王雨晴1;童欣1;袁磊2; (1北京理工大学机电动态控制重点实验室;2北京特种车辆研究所)
出处: 中国电机工程学报 2021 第41卷 第9期 P3273-3283
关键词: 固体氧化物燃料电池;便携系统;动态特性;控制策略;控制算法
摘要: 固体氧化物燃料电池(solid oxide fuel cell,SOFC)因其高能量密度、高效率、清洁环保的特点,在远程电源、辅助动力、单兵电源等移动便携电源领域具有广阔的应用前景。便携式SOFC系统控制策略的研究对其实物搭建及产品化运行具有重要意义。该文首先介绍了便携式SOFC系统的结构及工作原理 ...
作者: 何博,殷志臣,娄文忠,冯恒振 (北京理工大学机电学院;陆军研究院通用装备研究所)
出处: 探测与控制学报 2021 第43卷 第6期 P38-42
关键词: 单兵巡飞弹;微弱弹道环境;信息感知
摘要: 针对单兵巡飞弹具有弱弹道环境的特点,无法根据剧烈环境变化实现各级保险有效解除的问题,设计了用于单兵巡飞弹微弱弹道环境感知系统。系统采用两支MEMS加速度传感器实现弱弹道环境的实时可靠感知,并使用高可靠非易失性存储芯片对信息可靠存储。通过离心试验和高动态冲击-离心试验进行了无信息交互下地面功能模拟,再 ...
作者: Xiang Ma,Keren Dai,Qingyu Li,Hang Yu,Xiaofeng Wang,He Zhang (ZNDY of National Defense Key Laboratory,School of Mechanical Engineering,Nanjing University of Science and Technology;North Information Control Research Academy Group Company.,Ltd.;School of Mechatronical Engineering,Beijing Institute of Technology)
出处: 第40届中国控制会议 中国上海 2021
会议录: 第40届中国控制会议
关键词: Multiagent;system;fixed-time;consensus;bi-limit;homogeneity;input;saturation;disturbance;estimation;output;feedpack
摘要: This paper investigates the anti-saturation fixed-time output feedback consensus problem for second-order multiagent with uncertainty disturbance. Fir ...
作者: Suwei Liu,Xiaopeng Chen,Yan Zhao,Peiyuan Zhao,Qihang Wang (School of Mechatronical Engineering,Key Laboratory of Biomimetic Robots and Systems,Beijing Institute of Technology;National Key Laboratory of Human Factors Engineering,China Astronaut Research and Training Center)
出处: 第33届中国控制与决策会议 中国云南昆明 2021
会议录: 第33届中国控制与决策会议
关键词: Plane;Extraction;Plane;Constraints;Pose;Estimation
摘要: Plane,as a common indoor geometric feature,is widely used in robot positioning or navigation.At present,traditional algorithms used to extract planes ...
作者: Hou Longfei,Li Yuanzhi,Qian Xinming,Shu Chimin,Yuan Mengqi,Duanmu Weike (Beijing Institute of Technology,State Key Laboratory State Key Laboratory of Explosion Science and Technology;Anhui Theone Safety Technology Co,Ltd;Hefei institute for Public Safety Research,Tsinghua University;Center for Process Safety and Industrial Disaster Prevention,National Yunlin University of Science and Technology)
出处: Journal of Safety Science and Resilience 2021 第2卷 第2期 P90-99
关键词: Damage;mechanism;Overpressure;curve;Underdrain;explosion;Explosion;venting;Precursor;wave
摘要: This study involved the construction and explosion of a large-scale (80-meter-long)underdrain and detailed investigations of the damaging impacts of a ...
作者: Yan, Jianzhuoa,b;Li, Jinnana,b;Xu, Hongxiaa,b;Yu, Yongchuana,b;Pan, Lexin3;Cheng, Xuerui4;Tan, Shaofenge,f; (1Beijing University of Technology, Beijing, China;2Engineering Research Center of Digital Community, Ministry of Education, Beijing, China;3School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China;4Mount Pisgah Christian School, Johns Creek, United States;5Join Lab of Digital Health, Beijing University of Technology and Beijing Pinggu Hospital, Beijing, China;6Information Center of Beijing Pinggu Hospital, Beijing, China)
出处: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2021 Vol.12960 P463-473
关键词: Convolutional neural network;EEG;Empirical Mode Decomposition;Epilepsy
摘要: Epilepsy is a common neurological disease characterized by recurrent seizures. Electroencephalography (EEG), which records neural activity, is commonl ...
作者: Dongnan Jin1;Yali Liu1;Xunju Ma1;Qiuzhi Song1; (1School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China.)
出处: Journal of Physics: Conference Series 2021 Vol.1865 P042099
摘要: System delay caused by mechanical transmission, control calculation and data communication are the main factor affecting the man-machine collaborative ...
作者: Quanpan Liu1;Zhengjie Wang1;Huan Wang1; (1School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China)
出处: Journal of Physics: Conference Series 2021 Vol.1828 P012163
摘要: Kanade-Lucas-Tomasi (KLT) optical flow algorithm based on the brightness constancy assumption is widely used in visual simultaneous localization and m ...
作者: 袁小雅,马天宝 (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 2021 第42卷 第1期 P179-184
关键词: 蜂窝夹层板;超高速碰撞;SPH-FE;最优拉丁超立方;AMGA
摘要: 为掌握航天器常用的结构材料蜂窝夹层板的超高速碰撞特性与进行结构优化设计,采用光滑质点流体动力学和有限元耦合算法进行数值模拟研究。基于最优拉丁超立方法进行试验设计获得了样本空间,通过仿真结果构建Kriging近似模型并进行验证,利用AMGA算法进行迭代计算得到Pareto解集的4个优解。结果表明:优化 ...