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2012 International Conference on Computing, Measurement, control and Sensor Network, CMCSN 2012

作者： Ma, Wenzhe Zhang, Wendong Li, Pengwei Hu, Jie Li, Gang Sang, Shengbo MicroNano System Research Center Information Engineering College Taiyuan University of Technology Taiyuan Shanxi China Key Lab. of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan Shanxi China

ISBN: (纸本)9780769547381

The electrical characteristic test of nanowires is important in nano-materials research. The metal-semiconductor junction that is fabricated with semiconductor nanowire and metal probe in electrical test system has impact on the test result directly, therefore it's necessary to study I-V characteristics of the metal-semiconductor(M-S) junction. Si,ZnO,GaN have been selected from multiple semiconductor materials. When they connected with tungsten probe, all of them formed Schottky barriers, but the relationships between current and voltage of the junctions are distinct. In the thesis, I-V curves of these M-S junctions are compared, and the best electrical performance of M-S junction is selected. © 2012 IEEE.

关键词： Nanowires

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The design of burglar alarm circuit based on the magnetic field sensor

The design of burglar alarm circuit based on the magnetic fi...

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2012 International Conference on Computing, Measurement, control and Sensor Network, CMCSN 2012

作者： Deng, Lili Sang, Shengbo Zhang, Wendong Li, Pengwei Hu, Jie Li, Gang Feng, Hui Tang, Xiaoliang MicroNano System Research Center Information Engineering College Taiyuan University of Technology Taiyuan Shanxi China Key Lab. of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan Shanxi China

ISBN: (纸本)9780769547381

This paper introduces a design method and a hardware circuit of burglar alarm circuit based on the magnetic field sensor, which can be used to achieve the protection of valuables. The circuit design is ingenious, and has the characteristics of simple structure, light weight, small size, timeliness, high sensitivity and low cost. It has been proved to have a stable and reliable performance by experiment. © 2012 IEEE.

关键词： Timing circuits

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Analysis of magnetic memory signal of dynamic stress changes for steel-cord conveyor belt

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Energy education Science and Technology Part A: Energy Science and Research 2012年第SUPPL.2期30卷 207-214页

作者： Qiao, Tiezhu Li, Xiaolu Ma, Fuchang Education Ministry Key Lab of Advanced Transducers and Intelligent Control System Taiyuan University of Technology Taiyuan City 030024 China

Metal magnetic memory technology was an important method for detecting the steel-cord conveyor belt early fault, the use of magnetic memory signal maximum gradient value can quickly judge the stress concentration zone, but the magnetic memory signal is susceptible to the effects of environmental and noise;because of the multi-scale transient analysis of wavelet transform provided a suitable way for detecting the singularity points of magnetic memory signal. For the magnetic memory signal is weak and non-stationary, this paper has combined the metal magnetic memory detecting maximal gradient value with singularity detecting theory based on wavelet transform modulus maximum, the method could exactly judged the stress concentration zone of joints and located the fault points of the steel-cord belt, the characteristic gradient of magnetic memory signal and the Lipschitz exponent were extracted. Result of simulation indicated the technology was effectively for judging stress concentration zone and fault point. © Sila Science.

关键词： Wavelet transforms

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Hybrid brain/muscle-actuated control of an intelligent wheelchair

Hybrid brain/muscle-actuated control of an intelligent wheel...

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IEEE International Conference on Robotics and Biomimetics

作者： Zhijun Li Shuangshuang Lei Chun-Yi Su Guanglin Li Key Lab of Autonomous System and Network Control Ministry of Education and College of Automation Science and Engineering South China University of Technology Guangzhou China Department of Mechanical and Industrial Engineering Concordia University Montreal Canada Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Shenzhen Guangdong China

Brain-computer interface (BCI) controlled wheelchair robots can serve as powerful aids for severely disabled people in their daily life, especially to help them move voluntarily. In order to better understand human “thought”, owing to the development of the hybrid brain/muscle interface technique, in this paper, we present a real-time hybrid brain/muscle interface to control a wheelchair directly to keep the disables recovering several motion capabilities by using noninvasive motor imagery Electroencephalography (EEG) and Electromyography (EMG). The EMG and EEG signals from the users are extracted to control the motion of an intelligent wheelchair. Both signals processing consists of off-line training, online control evaluation, and real-time control. An algorithm called the common spatial patterns (CSP) is used in this human-robot system to extract the most discriminative spatial patterns pairs as features. The extensive experiments were conducted on the developed human-wheelchair systems to verify the proposed approaches.

关键词： Wheelchairs Electroencephalography Electromyography Training Robots Muscles Real-time systems

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The kinetic characteristics of the clamping unit in injection molding machine driven by new pump control system

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Advances in Information Sciences and Service Sciences 2012年第21期4卷 468-475页

作者： Zhang, Hongjuan Quan, Long Key Lab of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan 030024 Shanxi Province China

In the injection molding machine control system, as the toggle clamping unit has the feature of big rigidity and strong overload, it has been widely used. However the equivalent mass of the clamping unit varies in a very wide range and the intensive instantaneous impact force emerges during the mold closing and opening process, which will cause dynamic performance and control accuracy to difficultly meet the system requirements. In light of this, at first the clamping unit driven by new pump control system is designed. The characteristic and mathematic analysis is done by three-dimensional kinetics modeling and simulating. Then the control strategy of dynamic feed forward compensation and integral separation PID with anti-saturation is put forward to achieve the displacement and velocity synchronization control of the clamping cylinder. The research results are verified by co-simulation. The dynamic performance and control accuracy are improved by adopting the new pump control circuit and the control method.

关键词： Injection molding

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A new design of open channel flow meter

A new design of open channel flow meter

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UK-China Symposium of New Energy Materials and Nanotechnology(2012年中英纳米技术和新能源材料研讨会)

作者： Ma Jun Wang Long-shan Ministry of Education Key Lab of Advanced Transducers and Intelligent Control System Taiyuan University Of Technology Taiyuan Shanxi030024China

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Based on the multi-scale feature matching algorithm of the coal level detection method

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Meitan Xuebao/Journal of the China Coal Society 2013年第SUPPL.2期38卷 513-517页

作者： Qiao, Tie-Zhu Chen, Xin Wang, Feng Zheng, Bu-Xiang Ministry of Education Key Laboratory of Advanced Transducers and Intelligent Control System Taiyuan University of Technology Taiyuan 030024 China School of Information Engineering Taiyuan University of Technology Taiyuan 030024 China Xingjiashe Coal Industry Co. Ltd. Xishan Coal Electricity Group Co. Ltd. Taiyuan 030200 China

Using computer vision technique to detect coal level of coal bin, a kind of non-contact depth measurement method of coal bunker was put forward based on binocular vision and W-SIFT image feature matching algorithm. Through the wavelet compression coding and scale invariant feature transform algorithm, remove all kinds of redundancy in image and keep important information. By adaptive regulating based on template of the changing scale factors and dealing with the coal bit image waiting for the binocular view registration, multi-scale spatial could be created for extracting feature points in coal level image. The left and right view is compared, and extraction feature points for in-depth matching based on the bidirectional registration strategy of binocular view so that we can more accurate restore the 3D information. According to the W-SIFT matching algorithm, prior calibration left and right image so that we can get internal and external parameters of visual sensor, then, determine the coal bunker coal bit depth value based on the coordinate transformation formula. Using the new algorithm to detect coal level, The result is satisfy compared with the traditional SIFT algorithm.

关键词： Coal

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Design of intelligent coal mine roof online monitoring system based on CAN bus

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Advances in Information Sciences and Service Sciences 2012年第21期4卷 540-547页

作者： Gao, Yan Jin, Baoquan College of Electrical and Power Engineering Taiyuan University of Technology Taiyuan 030024 China Key Lab of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan 030024 China

The design of intelligent multi-parameter real-time monitoring system for the security of coal mine roof is introduced aiming at the status of monitoring system for mine roadway roof safety and supporting. Using advanced field-bus CAN technology and Ethernet fiber transmission technology can not only display the measurement data on-site and alarm, but also transmit the measured data through the monitor network of mine to the main monitoring station on the ground and the remote monitoring center for analysis and processing, so that the monitor in command center on the ground can real-time and remotely monitoring the security status on the roof. The actual application showed that the system had the capability of high communication speed, long transmission distance, anti-electromagnetic interference, reliable transmission, and high real-time. The system can play an active role in early warning to avoid the occurrence of coal mine roof disasters.

关键词： Coal mines

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The Design of Burglar Alarm Circuit Based on the Magnetic Field Sensor

The Design of Burglar Alarm Circuit Based on the Magnetic Fi...

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International Conference on Computing, Measurement, control and Sensor Network (CMCSN)

作者： Lili Deng Shengbo Sang Wendong Zhang Pengwei Li Jie Hu Gang Li Hui Feng Xiaoliang Tang MicroNano System Research Center Information Engineering College Key Laboratory of Advanced Transducers and Intelligent Control System Ministry of Education Taiyuan University of Technology Taiyuan Shanxi China

关键词： Magnetic fields Magnetic circuits Magnetic field measurement Mobile handsets educational institutions Sensitivity Integrated circuit reliability

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Recent Development of Silicon Nanowire FET Biosensor for DNA Detection

Recent Development of Silicon Nanowire FET Biosensor for DNA...

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International Conference on Computing, Measurement, control and Sensor Network (CMCSN)

作者： Xuge Fan Sengbo Sang Jie Hu Peiwei Li Gang Li Wendong Zhang Key Laboratory of Advanced Transducers and Intelligent Control System Ministry of Education MicroNano System Research Center Information Engineering College Taiyuan University of Technology Taiyuan Shanxi China

Recently biosensors based on silicon nanowire field-effect transistors (SiNW-FETs) have drawn huge amounts of attention, due to their ultra sensitivity, selectivity, label-free and real-time detection abilities. As people know more and more knowledge of the structure and function of nucleic acid molecules, DNA detection has gained importance increasingly. Here, we briefly summarize major fabrication methods in synthesising SiNW-FETs and selectively describe some applications of SiNW-FET biosensors in DNA detection over the past few years. Some key results from each article are summarized, involving the concept and mechanism behind each sensor, with the aim of stimulating more efforts in developing SiNW-FET biosensors for detecting DNA.

关键词： DNA Biosensors Nanobioscience Silicon FETs Fabrication

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