作者： 孙士青，孙娜，王晓力 （北京理工大学机械与车辆学院）

出处： 润滑与密封 2020

关键词： 表面织构；压力流量因子；剪切流量因子；粗糙表面

摘要： 为研究混合润滑条件下粗糙表面上微织构对流量因子的影响，在不同表面纹理方向的高斯随机粗糙表面的基础上，建立不同织构参数的几何模型，通过数值求解雷诺方程，研究织构的面密度及深宽比对压力流量因子、剪切流量因子的影响。结果表明:压力流量因子和剪切流量因子随着表面织构面密度和深宽比的增大而增大，且随着深宽比的 ...

作者： Xue Luo;Lei Xiao;Xinghua Wang （School of Information and Electronics, Beijing Institute of Technology, Beijing, China School of Information and Electronics, Beijing Institute of Technology, Beijing, China School of Information and Electronics, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Semiconductor Manufacturing 2020

关键词： Through-silicon vias;Silicon;Fabrication;Safety;Substrates;Curing;Stress;Electrical properties;mechanical grinding;microcracks;process optimization;silicon pillar;ultra-low-resistivity-silicon (ULRS) through-silicon-via (TSV)

摘要： Ultra-low-resistivity-silicon (ULRS) coaxial through-silicon-vias (TSVs) employ silicon pillar as the central conductor, which simplifies the fabricat ...

作者： Yun Lu;Luzheng Bi;Hongqi Li （School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Intelligent Transportation Systems 2020

关键词： Vehicles;Electroencephalography;Wheels;Brain modeling;Task analysis;Safety;Control systems;Assistive technology;brain-controlled vehicles (BCVs);predictive control;shared control

摘要： Using brain signals rather than limbs to drive a vehicle can help persons with disabilities to extend their movement range and, thus, to improve their ...

作者： Dongfang Li;Chao Wang;Hongbin Deng;Yiran Wei （Beijing Institute of Technology, Beijing, China China North Industries Corp, Beijing, China Beijing Institute of Technology, Beijing, China Beijing Institute of Technology, Beijing, China）

出处： IEEE Access 2020

关键词： Multi-joint snake-like robot;serpenoid curve;axial bending moment;closed-loop control

摘要： In order to study the winding motion of a multi-joint snake-like robot with multi-degree of redundancy in plane, a motion planning algorithm of a mult ...

作者： Zhihong Deng;Pengyu Wang;Dan Yan;Kejun Shang （School of Automation, Beijing Institute of Technology, Beijing, China School of Automation, Beijing Institute of Technology, Beijing, China School of Automation, Beijing Institute of Technology, Beijing, China School of Automation, Beijing Institute of Technology, Beijing, China）

出处： IEEE Sensors Journal 2020

关键词： Legged locomotion;Navigation;Classification algorithms;Training;Three-dimensional displays;Acceleration;Logic gates;Pedestrian navigation;BLSTM-RNN;step length models;altitude calculation;heading drift reduction

摘要： A foot-mounted pedestrian navigation system (PNS) that uses MEMS inertial measurement units (IMUs) can track the position of a person when walking nor ...

作者： Xu Yang;Guo Chen;Yunchong Qian;Yuhan Wang;Yisong Zhai;Debao Fan;Yang Xu （School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081, China.）

出处： International journal of environmental research and public health 2020

关键词： artificial intelligence;correlation analysis;machine learning;myopia in adolescents

摘要： According to literature, myopia has become the second most common eye disease in China, and the incidence of myopia is increasing year by year, and sh ...

作者： Bing Cui;Yuanqing Xia;Kun Liu;Yujuan Wang;Di-Hua Zhai （School of Automation, Beijing Institute of Technology, Beijing, China School of Automation, Beijing Institute of Technology, Beijing, China School of Automation, Beijing Institute of Technology, Beijing, China School of Automation, Chongqing University, Chongqing, China School of Automation, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Industrial Informatics 2020

关键词： Distributed attitude tracking;directed graph;finite-time observer;finite-time control

摘要： This article addresses the distributed finite-time attitude tracking control problem for a group of uncertain rigid spacecraft in the presence of unav ...

作者： Zilong Zhang;Changming Zhao （School of Optics and Photonics, Beijing Institute of Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China）

出处： IEEE Photonics Technology Letters 2020

关键词： Vortex beam generation;microchip laser;dual-frequency laser

摘要： Linearly distributed and continuously varied optical vortices are experimentally obtained from a dual-polarization microchip laser. The number of the ...

作者： Tao Yang;Xueshan Gao （School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China School of Mechatronical Engineering, Beijing Institute of Technology, Beijing, China）

出处： IEEE Transactions on Neural Systems and Rehabilitation Engineering 2020

关键词： Training;Robot sensing systems;Rehabilitation robotics;Force;Control systems;Torque;Rehabilitation robot;challenge factor;activity recognition;asynchronous deviation;adaptive RBF neural network sliding-mode controller

摘要： Research on control strategies for rehabilitation robots has gradually shifted from providing therapies with fixed, relatively stiff assistance to com ...

作者： Wentao Wang;Yuyao Shen;Yongqing Wang （Beijing Institute of Technology, Beijing, China Academy of Opto-Electronics, Chinese Academy of Sciences, Beijing, China Beijing Institute of Technology, Beijing, China）

出处： IEEE Communications Letters 2020

关键词： Signal to noise ratio;Estimation;Complexity theory;Memory management;Modulation;Distribution functions;Two dimensional displays;Low complexity;multilevel constellation;non-data-aided;SNR estimation

摘要： Empirical-distribution-function (EDF)-based non-data-aided signal-to-noise ratio (SNR) estimation methods are effective for multilevel constellations ...