作者：Ruichao Lian;Shikai Jing;Yang Chen;Jiangxin Fan （¹Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China;²School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China）

出处：Axioms 2023

关键词：3D printing;Hermite;surface model;high-precision fitting;error

摘要：Three-dimensional printing is a layer-by-layer stacking process. It can realize complex models that cannot be manufactured by traditional manufacturin ...

作者：鲁涛，敬石开，聂靖轩，徐田秋，李昌远，刘长猛 （北京理工大学机械与车辆学院）

出处：稀有金属 2023

关键词：电弧增材制造（wire arc additive manufacturing,WAAM）；钛合金；成形质量；在线监测；过程控制

摘要：电弧增材制造（wire arc additive manufacturing, WAAM）技术被认为是制造大型钛合金构件最具前景的增材制造技术之一。然而，成形过程稳定性差、成形件表面质量及尺寸精度低是制约WAAM钛合金构件推广运用的主要瓶颈，对WAAM成形过程进行实时监测及反馈控制是解决这一难题的重 ...

作者：Shu Wang;Xueqin Zheng;Cunfu Wang;Huageng Luo;Shikai Jing （School of Aerospace Engineering, Xiamen University, Xiamen, Fujian 361005, China School of Aerospace Engineering, Xiamen University, Xiamen, Fujian 361005, China School of Aerospace Engineering, Xiamen University, Xiamen, Fujian 361005, China School of Aerospace Engineering, Xiamen University, Xiamen, Fujian 361005, China School of Mechanical Engineering, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing 100081, China）

出处：Journal of Manufacturing Science and Engineering 2023

关键词：topology optimization;hybrid manufacturing;additive manufacturing;casting;density gradient;design for manufacturing

摘要：This paper presents formulations for hybrid casting and additive manufacturing (AM) in the density-based topology optimization. A location-based Heavi ...

作者：Shu Wang;Xueqin Zheng;Cunfu Wang;Huageng Luo;Shikai Jing （School of Aerospace Engineering, Xiamen University [中国] ; School of Aerospace Engineering, Xiamen University [中国] ; School of Aerospace Engineering, Xiamen University [中国] ; School of Aerospace Engineering, Xiamen University [中国] ; School of Mechanical Engineering, Beijing Institute of Technology [中国]）

出处：Proceedings of the International Symposium on Flexible Automation

摘要：Combining topology optimization and advanced manufacturing techniques can generate and fabricate parts of complex geometry. In this paper, we present ...

发明人：敬石开，赵桐，肖登宝，陈阳，杨锦波，夏磊，张巍

申请日期：2023.11.17

摘要：本发明公开了一种基于残差连接和注意力机制融合的复杂图像分割方法，利用改进的U‑Net模型对图像进行晶界分割，采用Same卷积代替原始的Valid卷积，在每个卷积层后加入一个批归一化层，在卷积单元间引入残差连接，在编码器和解码器的逐层传递中引入ECA注意力机制，在跳层连接结构中引入CBAM注意力机制， ...

作者：廉睿超，敬石开，李营，肖登宝，陈阳 （北京理工大学先进结构技术研究院；北京理工大学机械与车辆学院）

出处：力学学报 2022

关键词：固体各向同性材料惩罚法；移动变形组件法；混合拓扑优化；拓扑描述函数；最小尺寸控制

摘要：拓扑优化作为一种先进设计方法,已被成功用于多个学科领域优化问题求解,但从拓扑优化结果到其工程应用之间仍存在诸多阻碍,如在结构设计中存在难以制造的小孔或边界裂缝和单铰链连接等.在拓扑优化设计阶段考虑结构最小尺寸控制是解决上述问题的一种有效手段.在最小尺寸控制的结构拓扑优化方法中,通用性较强的固体各向同 ...

作者：Jianpeng Chen¹;Haiwei Luo²;Sihan Huang¹³;Meidi Zhang⁴;Guoxin Wang¹³;Yan Yan¹³;Shikai Jing¹; （¹School of Mechanical Engineering, Beijing Institute of Technology, Beijing;100081, China;²Capital Aerospace Machinery Corporation Limited, Beijing 100076, China;³Key Laboratory of Industry Knowledge &Data Fusion Technology and Application, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing 100081, China;⁴China North Artificial Intelligence &Innovation Research Institute, Beijing 100071, China）

出处：Journal of Physics: Conference Series 2024

摘要：Human-robot collaboration (HRC) plays an important role in human-centric manufacturing, which requires cooperative robots to have the ability of colla ...

发明人：肖登宝，王先达，车磊，陈阳，沈弼文，敬石开，杨猛，王宁宁，飞景明，向语嫣，梁春组，马强

申请日期：2024.06.05

摘要：本发明提供一种复杂曲面激光刻蚀加工形位误差控制方法，该方法能够实对激光刻蚀工形位误差进行补充，从而提高激光刻精度，具体过程为：采集待加工曲面工件与机床工作台的三维点云数据；基于所述三维点云数据，计算工作台床身固连坐标系B相对于测头固连坐标系C的误差传递矩阵 基于所述误差传递矩阵 计算实际加工点位的偏 ...