- MEMS传感器随机误差Allan方差分析被引量:61收藏
- 作者:高宗余 方建军 于丽杰
- 机构:北京联合大学自动化学院
- 来源:《仪器仪表学报》 2011
- 关键词:MEMS Allan方差 随机噪声 功率谱密度 数学模型
- 摘要:MEMS传感器中随机误差较大,有时会覆盖传感器中有用信号,提出采用Allan方差(Allan variance)方法对MEMS传感器实测数据进行分析,系统地分析了引起MEMS传感器误差的随机噪声种类及其来源和特性,确定其...
- 图书馆图书自动存取机器人的研究与应用被引量:35收藏
- 作者:方建军 张晔
- 机构:北京联合大学自动化学院;北方工业大学机电工程学院
- 来源:《图书馆建设》 2012
- 关键词:图书馆 图书自动存取 机器人
- 摘要:使用图书自动存取机器人是实现图书馆信息化与自动化的重要手段。其关键技术是图书自动识别技术、机器人自动导航技术、图书存取机械手设计及机器人移动装置设计。图书自动存取机器人可以在无人干预的情况下对图书进行识别、搬运和上下架,...
- Control of urban rail transit equipped with ground-based supercapacitor for energy saving and reduction of power peak demand被引量:28收藏
- 作者:Gao, ZongYu Fang, JianJun Zhang, YiNong Jiang, Lan Sun, Di Guo, Wenrong
- 机构:Beijing Union Univ;Beijing Jiaotong Univ
- 来源:INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS 2015
- 关键词:Control strategy Supercapacitor Energy storage system Metro trains Regenerative braking
- Adaptive residual vibration suppression of a rigid-flexible coupled system through a hybrid shaping design被引量:20收藏
- 作者:Tong, Shiwen Yan, Xiaoyu Fang, Jianjun
- 机构: College of Robotics; Graduate School; College of Urban Rail Transit and Logistics
- 来源:Adaptive Control: Methods, Applications and Research 2018
- 关键词:Computer control systems - Fuzzy clustering - Genetic algorithms - Navigation - Numerical methods
- Research on Automatic Segmentation Algorithm of Tunnel Cracks Based on Generative Adversarial Network被引量:19收藏
- 作者:Li, Ziyi Rao, Zhiqiang Chang, Hui Li, Yichen Ding, Lu Fang, Jianjun
- 机构: College of Urban Rail Transit and Logistics; Institute of Automation
- 来源:Tiedao Xuebao/Journal of the China Railway Society 2023
- 关键词:Crack detection - Discriminators - Image segmentation - Railroad tunnels - Statistical tests
- A traffic sign recognition model with only 140 kb被引量:17收藏
- 作者:Dawei, Luo Jianjun, Fang Dengfeng, Yao
- 机构: Beijing Key Laboratory of Information Service Engineering; College of Urban Rail Transit and Logistics
- 来源:ACM International Conference Proceeding Series 2019
- 关键词:Feature extraction - Image classification - Pattern recognition - Robotics - Traffic signs
- 基于小波分析和概率Hough变换的书脊视觉识别被引量:17收藏
- 作者:方建军 杜明芳 庞睿
- 机构:北京联合大学自动化学院;北京理工大学自动化学院
- 来源:《计算机工程与科学》 2014
- 关键词:书脊识别 图书馆机器人 Canny算子 概率Hough变换
- 摘要:针对无人图书馆中机器人利用视觉进行书脊识别问题展开研究。根据书脊图像本身较复杂、单本书轮廓难以提取的特点,提出了运用小波分析做书脊轮廓增强的图像预处理方案;通过实验比较了运用Sobel算子和Canny算子做书脊轮廓检测的...
- Control strategy for wayside supercapacitor energy storage system in railway transit network被引量:17收藏
- 作者:Gao, Zongyu Fang, Jianjun Zhang, Yinong Sun, Di
- 机构:Beijing Union Univ;Beijing Jiaotong Univ
- 来源:JOURNAL OF MODERN POWER SYSTEMS AND CLEAN ENERGY 2014
- 关键词:Supercapacitor (SC) Energy storage system (ESS) Regeneration failure Control strategy Railway transit network
- 基于椭球假设的三轴加速度计误差标定与补偿被引量:16收藏
- 作者:刘艳霞 方建军 杨清梅
- 机构:北京联合大学自动化学院电气与控制工程系
- 来源:《传感器与微系统》 2014
- 关键词:加速度计 椭球假设 三自由度转台 最小二乘法
- 摘要:为提高三轴加速度计测量精度,根据其误差来源和产生机理,建立了误差模型;通过对误差模型分析,指出三轴加速度计输出轨迹符合椭球假设,提出一种椭球拟合法确定误差模型,实现对加速度计误差补偿。三轴加速度计捷联安装到三自由度转台进...
- 四足仿生机器人仿生足端轨迹规划研究被引量:16收藏
- 作者:马慧姝 刘艳霞 方建军 罗大为
- 机构:北京联合大学;北京联合大学城市轨道交通与物流学院
- 来源:《东北师大学报:自然科学版》 2019
- 关键词:四足机器人 仿生 足端轨迹规划 曲线拟合 三次B样条
- 摘要:基于自主设计的电驱四足仿生机器人实物本体,借鉴仿生学思想,提出一种基于哺乳动物运动轨迹的仿生步态策略来规划四足机器人足端轨迹.该方法首先利用视频分析技术提取四足哺乳动物大型犬在平坦地面以Trot步态行走时的骨骼三维数据,...
- A machine vision system for chinese chess-playing robot被引量:14收藏
- 作者:Fang, Jianjun
- 机构: School of Automation
- 来源:Advances in Intelligent and Soft Computing 2012
- 关键词:Feature extraction - Robot vision - Hough transforms - Neural networks
- Online Violent Behavior Recognition Based on Lightweight Temporal Shift Convolutional Neural Network被引量:14收藏
- 作者:Zhang, Lujia Le, Haifeng Fang, Jianjun Liu, Yanxia
- 机构: Beijing Union University; College of Urban Rail Transit and Logistics
- 来源:2023 7th International Conference on Electrical, Mechanical and Computer Engineering, ICEMCE 2023 2023
- 关键词:Behavioral research - Convolutional neural networks - Deep learning - Edge computing - Image enhancement - Inference engines - Security systems - Semantics
- 图书馆机器人机械手参数自整定模糊PID控制器设计被引量:14收藏
- 作者:杜明芳 方建军 梁岚珍
- 机构:北京联合大学自动化学院;北京理工大学自动化学院
- 来源:《智能系统学报》 2012
- 关键词:模糊PID PC/104 气动机械手 图书馆机器人 控制器
- 摘要:采用PC/104系列板卡设计了一款嵌入式图书馆机器人气动机械手控制器,对机械手的参数自整定模糊PID控制算法进行了重点探讨,根据模糊子集的隶属度赋值表和模糊逻辑规则,查模糊矩阵表得出修正参数,完成对PID参数的在线自校正...
- Ultrafast-convert laser high-frequency pulse composite heat source welding process and joints properties research on 2219 aluminum alloy被引量:13收藏
- 作者:Gao, Zongyu Fang, Jianjun Zhang, Yinong Guo, Wenrong Du, Mingfang Ran, Guowei
- 机构: College of Automation; School of Electrical Engineering; Chinese Academy of Agricultural Engineering
- 来源:ICIC Express Letters 2014
- 关键词:Aluminum alloys - Corrosion resistance - Crystal structure - Electric welding - Fracture - Inert gases - Stress corrosion cracking
- Energy management of a battery/ultracapacitor hybrid power system using an adaptive optimal-control method被引量:13收藏
- 作者:Gao, Zongyu Fang, Jianjun Zhang, Yinong Gao, Zonghua Sun, Di
- 机构: College of Automation; Department of Mechanical Engineering; School of Electrical Engineering
- 来源:ICIC Express Letters 2015
- 关键词:Adaptive systems - Electric batteries - Energy storage - Energy utilization - Multiobjective optimization - Optimization - Quadratic programming - Rail motor cars - Secondary batteries
- Design of networked control systems using the fuzzy inverse model被引量:12收藏
- 作者:Shiwen, Tong Dianwei, Qian Xiaoyu, Yan Guang, Cheng Jianjun, Fang
- 机构: College of Robotics; School of Computer and Control Engineering; Graduate School; College of Urban Rail Transit and Logistics
- 来源:Chinese Control Conference, CCC 2018
- 关键词:Cluster analysis - Delay control systems - Fuzzy clustering - Inverse problems - Iterative methods - Model predictive control - Time delay
- JOINT ESTIMATION OF PARAMETERS, STATES AND TIME DELAY BASED ON SINGULAR PENCIL MODEL被引量:12收藏
- 作者:Tong, Shiwen Qian, Dianwei Fang, Jianjun
- 机构:Beijing Union Univ;North China Elect Power Univ
- 来源:INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING INFORMATION AND CONTROL 2016
- 关键词:Singular pencil (SP) Joint estimation Observable canonical form Time delay
- Integrated Modeling and Variable Universe Fuzzy Control of a Hydrogen-Air Fuel Cell System被引量:11收藏
- 作者:Tong, S. W. Qian, D. W. Fang, J. J. Li, H. X.
- 机构:Beijing Union Univ;North China Elect Power Univ
- 来源:INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE 2013
- 关键词:Fuel cell Modeling Fuzzy control Variable universe DC/DC buck converter
- Research on the Application of YOLO v3 in Railway Intruding Objects Recognition被引量:11收藏
- 作者:Ma, Yongtian Fang, Jianjun Zhao, Jiaxiang Zhang, Qiushi
- 机构: Beijing Union University
- 来源:2022 IEEE International Conference on Artificial Intelligence and Computer Applications, ICAICA 2022 2022
- 关键词:Intrusion detection - Object detection - Railroad accidents - Railroad transportation - Railroads
- Test the generalization ability of instant delivery model and optimize the algorithm被引量:11收藏
- 作者:Shi, Daineng Fang, Jianjun
- 机构: Beijing Union University; College of Urban Rail Transit and Logistics
- 来源:Proceedings of 2025 International Conference on Artificial Intelligence and Smart Manufacturing, ICAISM 2025 2025
- 关键词:Data accuracy - Data handling - Deep learning - Forecasting - Optimization
- Control strategy research of wayside supercapcitor energy storage system for urban rail transit被引量:11收藏
- 作者:Gao, Zongyu Fang, Jianjun Zhang, Yinong Sun, Di Jiang, Lan Yang, Xiaoling
- 机构: College of Automation; School of Electrical Engineering
- 来源:26th Chinese Control and Decision Conference, CCDC 2014 2014
- 关键词:Electric power systems - Energy conservation - Energy storage - Metropolitan area networks - Regenerative braking - Subways - Virtual storage
- 面向“应用型”人才培养的物联网工程教学体系探索被引量:11收藏
- 作者:李媛 方建军 龙浩
- 机构:北京联合大学自动化学院
- 来源:《物联网技术》 2014
- 关键词:课程体系 教学模式 平台建设 分层 分类培养
- 摘要:物联网专业是国家新设置的学科专业方向,由于物联网涉及检测、计算机、网络通信、操作系统、电子技术、控制等多领域的知识,而且每个学校对物联网的切入点也不一样,都处于探索阶段。文章以培养应用型人才为目的,结合物联网应用的广泛性...
- Robot Robust Object Recognition based on Fast SURF Feature Matching被引量:9收藏
- 作者:Du, Mingfang Wang, Junzheng Li, Jing Cao, Haiqing Cui, Guangtao Fang, Jianjun Lv, Ji Chen, Xusheng
- 机构:Beijing Inst Technol;Beijing Union Univ
- 来源:2013 CHINESE AUTOMATION CONGRESS (CAC) 2013
- 关键词:SURF Local invariant features Feature matching Object recognition
- 基于局域预测的动载天线伺服控制策略研究被引量:9收藏
- 作者:曹海青 王渝 杜明芳 方建军
- 机构:北京理工大学自动化学院;北京联合大学自动化学院
- 来源:《电波科学学报》 2014
- 关键词:伺服控制 动载天线 局域预测 跟踪
- 摘要:针对中小涌浪的扰动,研究了一种基于少量数据的局域预测方法,应用于海面小型漂浮式动载天线跟踪卫星的方位和俯仰伺服控制中.以天线系统的少量位置数据为基础,采用局域预测算法预测天线的位置,计算天线指向将偏离卫星的偏差值,进行天...
- 一种基于线性模型预测的网络化预测模糊控制方法被引量:9收藏
- 作者:佟世文 方建军 李红星 李媛
- 机构:北京联合大学自动化学院
- 来源:《中南大学学报:自然科学版》 2015
- 关键词:网络化控制 模糊控制 模型预测 时延补偿
- 摘要:从方法论出发,通过对比、类比、条件转化、逆向法、整体和局部的关系、定性分析与定量分析相结合的方法,提出网络化预测模糊控制概念,将预测的思想和模糊控制相结合补偿网络中的时延,形成基于线性模型预测的网络化预测模糊控制方法。将...
- Control Strategy Research of Wayside Supercapcitor Energy Storage System for Urban Rail Transit被引量:9收藏
- 作者:Gao, ZongYu Fang, Jianjun Zhang, YiNong Sun, Di Jiang, Lan Yang, Xiaoling
- 机构:Beijing Union Univ
- 来源:26TH CHINESE CONTROL AND DECISION CONFERENCE (2014 CCDC) 2014
- 关键词:regeneration failure control strategy Regenerative braking
- Control research of supercapcitor energy storage system for urban rail transit network被引量:9收藏
- 作者:Gao, Zongyu Fang, Jianjun Zhang, Yinong Sun, Di Jiang, Lan Yang, Xiaoling
- 机构: College of Automation; School of Electrical Engineering
- 来源:Proceedings - 2014 International Conference on Information Science, Electronics and Electrical Engineering, ISEEE 2014 2014
- 关键词:Acceleration measurement - Braking performance - Data storage equipment - Energy conservation - Energy management - Energy storage - Estimation - Industrial management - Light rail transit - Safety engineering - Scandium - Traction motors
- A fuzzy-based design of networked control systems considering random time delays and packet dropouts in the forward communication channel被引量:9收藏
- 作者:Tong, Shiwen Yan, Xiaoyu Fang, Jianjun
- 机构: College of Robotics; Graduate School; College of Urban Rail Transit and Logistics
- 来源:Adaptive Control: Methods, Applications and Research 2018
- 关键词:Backpropagation - Control theory - Controllers - Delay control systems - Electric control equipment - Learning systems - Networked control systems - Neural networks - Packet loss - Proportional control systems - Sliding mode control - System stability - Tanks (containers) - Three term control systems - Time delay - Water levels
- A security mechanism based on authenticated Diffie-Hellman for WSN被引量:8收藏
- 作者:Yu, Xin Fang, JianJun Zhang, ZhaoLi
- 机构: College of Automation
- 来源:Telkomnika - Indonesian Journal of Electrical Engineering 2013
- 关键词:Authentication - Bluetooth
- 小型漂浮式卫星天线自抗扰控制器的研究被引量:8收藏
- 作者:曹海青 王渝 杜明芳 方建军
- 机构:北京理工大学自动化学院;北京联合大学自动化学院
- 来源:《电波科学学报》 2014
- 关键词:小型漂浮式天线 自抗扰控制器 扩张状态观测器 中小涌浪
- 摘要:研究了一种适用于军事隐蔽式侦察的小型漂浮式卫星天线双环自抗扰控制器,实现了在中小涌浪扰动下天线自动跟踪目标卫星的俯仰伺服控制.以自抗扰理论为基础,结合小型天线俯仰控制的特点分别设计了位置环和速度环自抗扰控制器;比较了双环...


