Industrial Instrumentation and Control Systems II

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Authors: Jian Hua Li, Pin Rong Lin, Fu Sheng Shi, Cai Jun Zheng
Abstract: In order to solve the difficult-ground areas of electromagnetic prospecting, we study magnetic induced polarization technology and instruments. Adopting the techniques such as GPS synchronization, CPLD(Complex Programmable Logic Device), digital PWM(Pulse-Width Modulation) constant current, VHDL(Very high speed integrated circuit Hardware Description Language) programming, a magnetic induced polarization instruments have been developed, which include transmitter, receiver, and three components magnetic field compensator. Instruments have functions such as high-power constant-current supplying, frequency-selective anti-interference receiving, GPS high-precision synchronizing, and amplitude-frequency response of magnetic sensor is flat. Using gradient configuration to obser the original data include magnetic field strength, magnetic polarization rate, phase, and get the magnetometric resistivity, the percent frequency efficiency by the further processing. For magnetic induced polarization instruments, we develop performance testing and the field experiments.
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Authors: Shuan Ji Zhang, Min Zhe Zhang, Xu Li
Abstract: This paper firstly introduces the development of the electric energy meter and the future trend, the overall design scheme of intelligent electric meter is given, a software development platform built. Then the design of voltage and current detection circuit, TCP/IP communication circuit, network interface driver and embedded WEB page. System uses LPC2290 as the main control chip, using the United States ADI company's ADE7755 chip energy metering, can not only realize the measurement of electric energy, but also can accomplish the communication with the host computer, easy to build energy management platform for energy management and control etc..
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Authors: Xian Jiao Xie, Li Ming Liu, Jia Jun Xiang
Abstract: We introduced the basic knowledge about sensor technology and its application in sports. We pointed out the development trend and the problems in the sports field in application by means of examples. We used the displacement and velocity sensor to test the athletes of weight-lifting, at the same time, we wish that the sensor technology could be applied better and wider in sports.
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Authors: Yan Li, Hao Hao Yao, Xiao Chao Dang, Zhan Jun Hao
Abstract: This paper proposes an energy management model of wireless sensor networks based on multiple mobile Agents. It constructs the MMAEM (Multiple Mobile Agent Energy Model) energy model and introduces in the model an algorithm called MMASDTPA (Multiple Mobile Agent Synergetic Distributed Task Processing Algorithms) in order to reduce the delay, save energy and prolong the network life. The simulation experiment shows that it has less energy consumption and shorter network delay than LEACH and single mobile Agent energy management model.
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Authors: Heng Kui Wu, Ya Ping Hu, Si Yun Bao
Abstract: Currently applications in wireless sensor network are just designed in the laboratory networks, while in real networks the resource is not unlimited because of network bandwidth, delay, jitter, packet loss and so on. In this paper, we propose a simulator and emulator for network delay and jitter in wireless sensor network, which is designed with FPGA and DDR3 to achieve the wire-speed delay/jitter simulation. The experiment results show that the simulator/emulator is efficient.
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Authors: Chun Tong Liu, Zhen Xin He, Yang Zhang, Hong Cai Li
Abstract: On the basis of FBG (Fiber Bragg Grating) sensor principle analysis, a differential pressure flow sensor using FBG has been designed. The static pressure characteristics of the sensor were experimental studied by the hydraulic pressure calibrator and Q8384 spectrometer, and the experimental result errors were analyzed. Experimental results show that, the sensitivity coefficient of FBG is 3 pm/KPa in the differential pressure range of 0~0.35 MPa. The changes of Bragg wavelength with the pressure changes showing a good linear relationship and repetitive, and the hysteresis phenomenon is minor, which can be used for flow measurement of hydraulic system in special areas.
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Authors: Song Liu, Liang Fei Xie, Xin Ran Wei
Abstract: According to the distinguishing feature and requirement of vehicle environmental safety monitoring, the application of vehicle operating conditions monitoring with WSN technology is researched. In this paper, we propose a solution of vehicle driving environmental monitoring based on wireless communication network. Also, we will discuss the data acquisition, transmission technology, and the testing and analysis of applications with the WSN monitoring system we build.
139
Authors: Xiao Jiao Xie, Jia Jun Xiang, Li Ming Liu
Abstract: We introduced the basic knowledge about sensor technology and its application in physical training. We pointed out the development trend and the problems in the physical training in application by means of examples. We used the three-way acceleration sensor in the springboard diving run-up approach, at the same time, we wish that the sensor technology could be applied better and wider in physical training.
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Authors: Yue Tao Ge, Xiao Tong Yin, Chao Bang Guo, Bo Yang
Abstract: In order to detect whether there are nucleic acid components interested in the testing samples, this study manuscript presents a method and a process based on MEMS technology and biosensor technology. Although MEMS micro cantilever is very sensitive for stress mass, we must aggravate the cantilever for the reason of microscopic DNA mass is very weak. In order to achieve the purpose of their molecules detection level, gold nanoparticles (GNPs) which are combined with hybridization information is taken to aggravate MEMS cantilever, and we employ Au - S chemical bond of GNPs and dithiol HS(CH2)6SH to combine and fix DNA probe, and then employ target DNA which is marked with biotin to combine GNPs by Biotin - Streptavidin combining. We use the method of layer by layer to amplify the signal again until meet the hypersensitized requirements. Last we apply multi-channel microfluidic technology to achieve high-throughput detection.
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Authors: Ying Ying Wang, Chang Wang, Xiao Hui Liu, Qing Chao Zhao
Abstract: A kind of optical fiber sensor testing the temperature and pressure under well is present. The temperature is measured by a FBG and the pressure is detected by the F-P cavity. The oxy-hydrogen is used to meld the fiber and glass capillary. The experiment results such as the cavity length changing in a long time under the condition of high temperature and pressure and the pressure calibration results are also given.
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