时广轶
博士 副教授
集成电路与智能系统系
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个人简介


博士，副教授，北京大学微米纳米加工技术国家重点实验室博士后。论文30余篇（全部EI/SCI检索），其中一篇获2007年国际机器人与仿生学大会最佳学生论文奖。
教育背景


北京大学 电子科学与技术 博士后
香港中文大学 自动化与计算机辅助工程 博士
北京理工大学 机械电子工程 硕士
北京理工大学 机械电子工程 学士

个人简历


2007-2009基于微惯导传感网络的人体运动捕捉系统研究，国家博士后基金和深圳市科技计划（非共识创新项目），项目负责人 设计和实现了用于人体运动姿态实时检测的微惯导传感系统，研究具有多通道模数转换功能（包含三维加速度和三维角速度测量ADC）、数据采集功能、数据存储功能、数据无线传输功能的微控制系统电路设计实现
人体运动姿态数据库的建立，人体运动姿态特征提取算法研究，研究人体各种基本运动姿态的时域、频域特征，找到有效的人体运动姿态表征参数，选择合适的变换减少或去除信息冗余
研究人体运动姿态分类识别算法，探索人体运动识别离线学习模式
基于多源信息融合的交通事件自动检测技术，国家863计划项目，团队组长 具有交叉路口多向道路交通实时全方位监测、交通数据存储、传输和显示、自动交通事件检测等功能的交通事件自动监测系统的设计与实现
开展多源信息特征融合策略研究：基于音视频多源交通信息融合，以信息的层次、互联相关、信息组合等信息融合为依据，形成有效的交通事件特征向量
研究交通事件分类技术，设计多级或多层结构、线性或非线性分类器结构的交通事件自动检测器
跟踪学习了德州仪器（TI）达芬奇DSP平台，对系统框架、工作环境、软件运行、编解码驱动进行了研究学习，旨在开发独立的混合音视频交通事件自动检测系统
2004-2007基于微机电系统的人体移动安全气囊系统，香港创新科技署项目，团队组长
基于微惯导传感网络的人体运动捕捉系统研究，国家博士后基金和深圳市科技计划（非共识创新项目），项目设计实现了基于MEMS传感器的三维微惯导传感单元： 主要考虑传感器的体积、灵敏度、准确度、数据读出功能等指标，研究uIMU单元专用电路，消除因电路特性引起的噪声
利用PROTEL DXP 设计微惯导传感单元电路，布板及调试
基于GCC（GUN Compiler Collection）的数据采集和传送的软件实现
基于单片机的微机电信号采集功能的实现： 研究微控制器的结构和应用框架，选定ATMEL MEGA系列作为uIMU主芯片
研究USB串口通讯，用于传感数据与计算机的接口
实现了基于蓝牙技术（Bluetooth）的传感数据无线通信功能
基于模式识别的人体运动分类技术： 人体运动模型分析，人体运动微惯导数据的采集
人体运动微惯导数据库的建立，包括人体日常动作和摔倒情况
微机电信号处理及基于PCA（Principle Component Analysis）的特征选择
基于模式识别方法的人体运动分类技术研究：SVM支持向量机（Support Vector Machine）， CNN神经网络（Cascading Neural Network）和 HMM隐式马尔科夫模型（Hidden Markov Model）
基于微惯导信息的实时人体运动识别研究： 实时SVM滤波器的设计与实现
基于TI数字信号处理器的实时算法的设计与实现
系统测试实验，验证人体摔倒检测的实时性，测试安全气囊的工作状况
2002-2004低成本微纳流体芯片实验室的自动装配系统的研究，国家863计划项目，团队组长
高深宽比三维微管道激光刻蚀技术：基于高功率二氧化碳激光器的三维微管道刻蚀技术
研制开发基于掩膜牺牲层的微管道刻蚀技术以提高微管道的平整度
基于光学汇聚装置的三维微管道加工系统
基于二氧化碳的激光汇聚系统将原始激光束汇聚成为高能量密度（105J/cm2）
微米级尺寸的激光束，以刻蚀可生物兼容的PMMA材料
配合三维微管道加工的三维精密移动平台的开发
基于二氧化碳激光汇聚系统及三维移动平台的生物维纳流体芯片自动装配系统的设计与集成2001-2002仿人机器人柔性误差校准技术，国家863计划项目，主研人员
设计并实现了基于力反馈的机器人柔性误差补偿系统：基于力反馈的机器人上臂扭矩柔性误差补偿算法研究
基于伺服电机和轴角编码器的机器人上臂控制系统的实现

主讲课程


《微纳机电系统应用技术》

研究方向


MEMS惯性器件以及碳纳米管传感器设计与应用技术。主要研究微机电信号处理以及高精度惯导系统实现技术，包括运动捕捉系统以及手势交互界面等。
主要科研项目


国家重大专项2009-2012 1050万（RMB）
高密度三维系统级封装的关键技术研究，主研人员
深圳市基础研究计划 2009-2011 10万（RMB）
面向运动保护的人体姿态检测与分析集成微系统研究，项目负责人
中国高技术研究发展计划（863计划） 2007-2009 86万（RMB）
基于多源信息融合的交通事件自动检测技术，团队组长
中国博士后科学基金（）2008-2009 3万（RMB）
基于微惯导传感器的人体运动姿态分类识别技术研究，项目负责人
深圳市科技计划非共识创新项目（FG8） 2008-2009 5万（RMB）
基于微惯导传感节点的人体运动捕捉技术研究，项目负责人
香港创新科技署项目（ITF-UIM-151） 2005-2007 200万（HKD）
基于微机电传感技术的人体移动安全气囊系统，团队组长

发表论文


Guangyi Shi, Cheung Shing Chan, Wen Jung Li, Kwok-Sui Leung, Yuexian Zou and Yufeng Jin, “Mobile Human Airbag System for Fall Protection using MEMS Sensors and Embedded SVM Classifier,” IEEE Sensors Journal, VOL. 9, NO.5, May 2009.
Yuexian Zou, Guangyi Shi, Hang Shi, and He Zhao, “Traffic Incident Classification at Intersections Based on Image Sequences by HMM/SVM Classifiers,” Springer, Multimedia and Applications Journal, to appear in December 2009. (As contact author)
Guangyi Shi, Yuexian Zou, Wen Jung Li, Yufeng Jin, and Pei Guan, “Towards Multi-classification of Human Motions Using Micro IMU and SVM Training Process,” Advanced Materials Research, Section Micro and Nano Technology, Vols. 60-61 (2009) pp 289-193 2009.
Winnie W. Y. Chow, Kin Fong Lei, Guangyi Shi, Wen J. Li, and Qiang Huang, “Micro Fluidic Channel Fabrication by PDMS-Interface Bonding,” Nanotechnology, August 2004.
Guangyi Shi, Wen J. Li, “Human Motion Recognition based on MEMS Sensing Unit using Artificial Intelligence: Classification and Comparison of SVM CNN and HMM,” under preparation for IEEE Transaction on Biomedical Engineering.
Guangyi Shi, Yuexian Zou, Yufeng Jin, “An Intelligent Transportation System based on Information Fusion of Multi Cameras and Microphone Array,” under preparation for IEEE Transactions on Intelligent Transportation Systems.
Guangyi Shi, Yuexian Zou, Yiyan Wang, and Hang Shi, “Image Sequences Based Traffic Incident Detection for Signaled Intersections Using HMM,” IEEE International Conference on Hybrid Intelligent Systems (HIS 2009), August 12-14th 2009, ShenhangLiaoning, China.
Guangyi Shi, Yuexian Zou, Yiyan Wang, Hang Shi, and Qiang Peng, “Development of Image Sequences Based Traffic Incident Detection System for Urban Intersection,” IEEE Internationla Conference on Image and Signal Processing (CISP 2009), Oct. 17-19th 2009, Tianjin, China.
Hang Shi, Yuexian Zou, Yiyan Wang, Guangyi Shi, and He Zhao, “A Robust Traffic Parameter Extraction Approach for Surveillance System at Urban Intersection,” IEEE Internationla Conference on Image and Signal Processing (CISP 2009), Oct. 17-19th 2009, Tianjin, China.
Hang Shi, Yuexian Zou, Yiyan Wang, and Guangyi Shi, “A Robust Traffic Parameter Extraction Method using Texture and Entropy,” in the Proceedings of IEEE Intelligent Vehicles Symposium (IEEE/IV 2009), June 3-5, 2009, Xi'an, Shanxi, China, pp: 237-241.
Weidong Wang, Yuexian Zou, Guangyi Shi, Yuesheng Zhu, “A Web Service based Gateway Architecture for Wireless Sensor Networks,” The 11th International Conference On Advanced Communication Technology (ICACT 2009), Phoenix Park, Gangwon-Do, Republic of Korea, February 15-18, 2009, Vol.02, pp:1160-1163.
Guangyi Shi, Yuexian Zou, Yufeng Jin,Yali Zheng, and Wen Jung Li, “Multi-Category Human Motion Recognition based on MEMS Inertial Sensing Data,” IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS 2009), Shenzhen, Guangdong, China, January 5-8, 2009.
Yuexian Zou, Yali Zheng, Yufeng Jin, and Guangyi Shi, “Signal Modulation Schemes Comparison in the Telemetry Unit for Retinal Prosthesis System,” The 4th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS 2009), Shenzhen, Guangdong, China, January 5-8, 2009.
Yuexian Zou, Guangyi Shi, Yufeng Jin, Yali Zheng, Yili Chen, “Extraocular Image Processing for Retinal Prosthesis based on DSP,” The 4th Annual IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS 2009), Shenzhen, Guangdong, China, January 5-8, 2009.
Guangyi Shi, Yuexian Zou, Yufeng Jin, and Wen Jung Li, “PCA/ICA-Based SVM for Fall Recognition using MEMS Motion,” 2008 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS 2008), Macao, Dec. 2008.
Guangyi Shi, Yuexian Zou, Yufeng Jin, and Wen Jung Li, “Towards HMM based Human Motion Recognition using MEMS Inertial Sensors,” 2008 IEEE International Conference on Robotics and Biomimetics, Bangkok, Thailand, December 14-17, 2008.
Guangyi Shi, Cheung Shing Chan, Guanglie Zhang, Wen J. Li, Philip H.W. Leong, and Kwok Sui Leung, “Towards a Mobile Airbag System Using MEMS Sensors and Embedded Intelligence,” IEEE International Conference on Robotics and Biomimetics (IEEE ROBIO) 2007, Sanya, China.
Guangyi Shi, Cheung Shing Chan, Yilun Luo, Guanglie Zhang, Wen J. Li, Philip H. W. Leong, and Kwok-Sui Leung, “Development of a Human Airbag System for Falling Protection Using MEMS Motion Sensing Technology,” IEEE International Conference on Intelligence Robots and Systems (IEEE IROS) 2006, Beijing, China.
Cheung Shing Chan, Guangyi Shi, Yilun Luo, Guanglie Zhang, Wen J. Li, Philip H. W. Leong, and Kwok-Sui Leung, “A Human-Airbag System for Hip Protection Using MEMS Motion Sensors: Experimental Feasibility Results,” IEEE International Conference on Mechatronics and Automation (IEEE ICMA) 2006, Luoyang, China.
Guangyi Shi, Yilun Luo, Josh Lam, Guanglie Zhang, Wen J. Li, Philip H. W. Leong, Pauline P.Y. Lui, and Kwok-Sui Leung, “Towards a Human Airbag System Using μIMU with SVM Training for Falling-Motion Recognition,” IEEE International Conference on Robotics and Biomimetics (IEEE ROBIO) 2005, Hong Kong.
Guangyi Shi, Qiang Huang, Wen J. Li, Wenqian Huang, and Yanyun Ren, “Micromachining of Micro Channels in PMMA Substrates Using CO2 Laser and Sacrificial Mask Process,” 5th World Congress on Intelligent Control and Automation, June, 2004, Hangzhou, China.
Guangyi Shi, Qiang Huang, Wen J. Li, Wenqian Huang, Yanyun Ren, Jun Li, and Kejie Li, “Fabrication of Micro Channels in PMMA using CO2 Laser and Sacrificial Mask Process,” IEEE International Conference on Information and Acquisition (IEEE IAC) 2003, Hong Kong.
Guangyi Shi, Qiang Huang, Wen J. Li, Wenqian Huang, Gengchen Shi, and Kejie Li, “Towards Automated Micromachining of PMMA Micro Channels Using CO2 Laser and Sacrificial Mask Process,” IEEE International Conference on Robotics and Automation (IEEE ICRA) 2004, New Orleans, America.
Guanglie Zhang, Guangyi Shi, Yilun Luo, Wong, H., Wen J. Li, Leong P.H.W., and Ming Yiu Wong, “Towards an Ubiquitous Wireless Digital Writing Instrument Using MEMS Motion Sensing Technology,” IEEE/ASME International Conference on Advanced Intelligent Mechatroincs (IEEE AIM)2005, Monterey, America.
Zhuxin Dong, Guanglie Zhang, Yilun Luo, Chi Chiu Tsang, Guangyi Shi, Sze Yin Kwok, and Wen J. Li, “A Calibration Method for MEMS Inertial Sensors Based on Optical Tracking,” IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE NEMS) 2007, Bangkok, Thailand.
Weiwei Wan, Hong Liu, Guangyi Shi, and Wen J. Li, “Real-time Recognition of Multi-category Human Motion Using Micro IMU Data,” IEEE International Conference on Mechatronics and Automation (IEEE ICMA) 2007, Harbin, China.
Weiwei Wan, Hong Liu, Lianzhi Wang, Guangyi Shi, and Wen J. Li, “A Hybrid HMM/SVM Classifier for Motion Recognition Using μIMU Data,” IEEE International Conference on Robotics and Biomimetics (IEEE ROBIO) 2007, Sanya, China.
Tsang Chi Chiu, Chow Gary Chun Tak, Leong Philip H. W., Zhang Guanglie, Luo Yilun, Dong Zhuxin, Shi Guangyi, Kwok Sze Yin, Wong Heidi Y. Y., and Li Wen J., Wong Ming Yiu, “A Novel Real-Time Error Compensation Methodology for Micro IMU-based Digital Writing Instrument,” IEEE International Conference on Robotics and Biomimetics (IEEE ROBIO) 2006, Kunming, China.
Luo Yilun, Tsang Chi Chiu, Zhang Guanglie, Dong Zhuxin, Shi Guangyi, Kwok Sze Yin, Li Wen J., Leong Philip H. W., and Wong Ming Yiu, “An Attitude Compensation Technique for a MEMS Motion Sensor Based Digital Writing Instrument,” IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE NEMS) 2006, Zhuhai, China.
Winnie W. Y. Chow, Kin Fong Lei, Guanyi Shi, Wen J. Li, and Qiang Huang, “Low Temperature Polymer-Based Substrates Bonding Using PDMS for Micro Fluidic Applications,” Asia-Pacific Conference of Transducers and Micro-Nano Technology (APCOT MNT 2004), July 2004, Japan.

发明专利


美国专利（授权号：）“Writing System with Camera,” Guanglie Zhang, Guangyi Shi, Yilunluo, Heidi Yee Yan Wong, Wen Jung Li, Philip Heng Wai Leong, and Ming Yiu Wong. Under reviewing 2009
中国专利（授权号：CN**）“一种基于CO2激光器的三维微管道加工设备”，黄强，时广轶，石庚辰，李文荣，李科杰，伟民 2005年5月
中国专利（授权号：CN**）“用于微米级管道刻蚀的二氧化碳激光汇聚装置” 黄强，张志远，时广轶，黄文倩，2004年10月

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