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SICE-ICASE International Joint Conference

作者： Jung, Young-Yoon Lim, Dae-Young Ryoo, Young-Jae Chang, Young-Hak Lee, Jin Mokpo Natl Univ Dept Control Syst Engn Jeonnam South Korea

ISBN: (纸本)9788995003848

In this paper, a position sensing system for magnet based autonomous vehicle and robot using 1-diemnsional magnetic field sensor array was described, In advanced vehicle and robot control, position sensing is an important task for the identification of their locations, such as the lateral position within a trajectory. The magnet based autonomous vehicle and robot was identified position using magnetic materials. In the magnetic sensing system, the Earth field is a disturbance. It should be estimated a real-time. And, the memory space should be reduced in implementation. To solve the above problems, this paper proposes the magnetic field sensor array system included a vertical component of magnetic field, a linear region of the sensor output, method of position determination using a simple equation with a microcontroller. The proposal is verified practicability for magnetic position sensing system by the experimental results.

关键词： position sensing vertical component of magnetic field sensors array autonomous vehicle and robot

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Polymer Based Sensor array for Phytochemical Detection

Polymer Based Sensor Array for Phytochemical Detection

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Conference on Sensing for Agriculture and Food Quality and Safety IV

作者： Weerakoon, Kanchana A. Hiremath, Nitilaksha Chin, Bryan A. Auburn Univ Mat Res & Educ Ctr Auburn AL 36849 USA

ISBN: (纸本)9780819490476

Monitoring for the appearance of volatile organic compounds emitted by plants which correspond to time of first insect attack can be used to detect the early stages of insect infestation. This paper reports a chemical sensor array consisting of polymer based chemiresistor sensors that could detect insect infestation effectively. The sensor array consists of sensors with micro electronically fabricated interdigitated electrodes, and twelve different types of electro active polymer layers. The sensor array was cheap, easy to fabricate, and could be used easily in agricultural fields. The polymer array was found to be sensitive to a variety of volatile organic compounds emitted by plants including gamma-terpinene alpha-pinene, p-cymene, farnesene, limonene and cis-hexenyl acetate. The sensor array was not only able to detect but also distinguish between these compounds. The twelve sensors produced a resistance change for each of the analytes detected, and each of these responses together produced a unique fingerprint, enabling to distinguish among these chemicals.

关键词： sensors array Volatile organic compounds phytochemicals Insect infestation detection

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A novel FBG sensors network for smart structure vibration test

A novel FBG sensors network for smart structure vibration te...

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IEEE International Conference on Robotics and Biomimetics (ROBIO 2007)

作者： Fan, Hongchao Qian, Jinwu Zhang, Yanan Shen, Linyong Shanghai Univ Sch Mechatron Engn & Automat Shanghai 200072 Peoples R China

ISBN: (纸本)9781424417612

This communication reports on a novel intensity based FBG (Fibre Bragg Grating) sensors array. The FBG sensors were packaged on SMA (Shape Memory Alloy) to build a sensor array. The arrays could be embedded into the flexible surface with the technology of the smart materials and structures. Those could test the surface shape and vibration and apple to the health monitoring and damage recognition.

关键词： FBG sensors array sensor network smart structure flexible surface

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A case-study of microsensors for landfill air-pollution monitoring applications

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URBAN CLIMATE 2015年第Part3期14卷 351-369页

作者： Penza, Michele Suriano, Domenico Cassano, Gennaro Pfister, Valerio Amodio, Martino Trizio, Livia Brattoli, Magda De Gennaro, Gianluigi ENEA Italian Natl Agcy New Technol Energy & Sustainabl Tech Unit Brindisi Technol Mat POB 51 Br4 I-72100 Brindisi Italy Univ Bari LEnviroS Srl Sspin Off I-70126 Bari Italy Univ Bari Dept Chem I-70126 Bari Italy

The purpose of this paper is to present a research study on application of low-cost solid-state gas microsensors for odour control and air-pollution monitoring in a landfill. The method introduces microsensors based on commercial devices of n-type metal oxides for cost-effective and real-time monitoring. This research provides a comparative study and assessment of the sensor response for odour detection and potential continuous monitoring of methane (CH4) and Non-Methanic Hydro-Carbons (NMHC) in a landfill. This leads to an insight into low-cost gas sensing capability for practical applications. The environmental measurements have been performed by a sensor-array with multiple sensing elements for high sensitivity and broad selectivity detection. This sensor technology may be useful for the development of a portable, compact, wireless and cost-effective system for gas monitoring applications and industrial process control. The results are discussed as the outcome of an experimental work carried in field at a landfill and demonstrate the efficiency of the low-cost chemo-resistors array for odour sensing and environmental monitoring. Additional long-term investigations need to address some drawbacks on sensors stability and cross-sensitivity. (C) 2014 Elsevier B.V. All rights reserved.

关键词： Gas sensors Odour monitoring Air-pollutants control Landfill gas sensors array

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Design and Experimentation of an Epidermal RFID-based Thermal Monitoring Sheet (R-TMS) for Microwave Hyperthermia 12

Design and Experimentation of an Epidermal RFID-based Therma...

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IEEE 12th International Conference on RFID Technology and Applications (RFID-TA)

作者： Lestini, Francesco Panunzio, Nicoletta Marrocco, Gaetano Occhiuzzi, Cecilia Univ Roma Tor Vergata Pervas Electromagnet Lab Rome Italy

ISBN: (数字)9781665465946

ISBN: (纸本)9781665465946

Hyperthermia is a widely used anti-cancer treatment that exploits the interactions between high-power electromagnetic fields and the human tissues to locally release a great amount of power in the underlying tissue regions. Dangerous hotspots may occur within the skin, and hence continuous monitoring of the superficial temperature distribution is required throughout the treatment. Current Thermal Monitoring Sheets (TMSs), that are grids of many wired temperature sensors, have some limitations in terms of poor spatial resolution and high thermal conduction errors. Passive Ultra High Frequency (UHF) Radio Frequency IDentification (RFID) devices could offer an attractive alternative thanks to their wireless nature and low invasiveness. The preliminary design and experimentation of an RFID-based Thermal Monitoring Sheet (R-TMS) are presented in this paper as a Frequency Selective Surface (FSS). It comprises a planar array of circular loop antennas with temperature-sensing-oriented RFID microchips, that are capable to guarantee a stable link and to outperform the temperature spatial resolution of the state-of-the-art wired TMS.

关键词： RFID Frequency Selective Surface skin temperature hyperthermia sensors array

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Indoor Environment Gas Monitoring System Based on the Digital Signal Processor

Indoor Environment Gas Monitoring System Based on the Digita...

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International Conference on Multimedia, Signal Processing and Communication Technologies

作者： Kumar, Anuj Singh, I. P. Sud, S. K. Indian Inst Technol Delhi Instrumentat Design Dev Ctr New Delhi 16 India

ISBN: (纸本)9781424436033

Environment monitoring has become a necessity because of global warming and climate change. All across the globe researchers are trying to monitor the environmental parameters of temperature, humidity and pollutants gases mere precisely in real time. Sensing system using sensor arrays has been developed to monitor indoor environment, however, these systems are costly and have not gained wide acceptance. Precise monitoring of building environment has a huge potential in terms of energy savings. In this paper we are trying to look into the problem of real time processing of carbon monoxide and carbon dioxide gases measurement using a DSP board (TNS320C6455) and then implementing to the proposed gas monitoring system.

关键词： Environment monitoring sensors array DSP (Digital Signal Processor) Semiconductor gas sensor

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Electronic Nose System and Principal Component Analysis Technique for Gases Identification

Electronic Nose System and Principal Component Analysis Tech...

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10th International Multi-Conference on Systems, Signals and Devices (SSD)

作者： Bedoui, Souhir Faleh, Rabeb Samet, Hekmet Kachouri, Abdennaceur Univ Sfax Natl Sch Engineer Sfax LETI Lab Dept Elect Engn Sfax Tunisia

ISBN: (纸本)9781467364577;9781467364591

An electronic nose is an intelligent system consists of a sensor network and a pattern recognition system able to know simple and complex odors. As the human nose, the artificial nose must learn to recognize different odors: the learning phase. There are several types of sensors such as fiber optic sensors, piezoelectric sensors, sensor type MOSFET. The performance of the sensor network is discussed by using pattern recognition methods. In this article, we tested Principal Component Analysis (PCA) to evaluate the ability of our sensor array to distinguish between different groups of target gases according to their nature: only in binary mixture and ternary mixture.

关键词： electronic nose sensors array gases PCA

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Gas Concentration Prediction in Continuous Monitoring Based on Echo State Network 33

Gas Concentration Prediction in Continuous Monitoring Based ...

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33rd Chinese Control and Decision Conference (CCDC)

作者： Wang, Qingfeng Luo, Zhaojiang Jilin Univ Coll Elect Sci & Engn Changchun 130012 Peoples R China

ISBN: (纸本)9781665440899

In this paper, we introduce an echo state network (ESN) model approach for gas concentration estimation using Metal Oxide (MOX) sensors in Open Sampling System (OSS). Our approach focuses on the compensation of the slow response of MOX sensors, while concurrently solving the problem of estimating the gas concentration in OSS. By comparing with SVR algorithm model commonly used in the prediction system, it fully reflects high accuracy of the gas prediction model based on ESN algorithm and the well tracking performance with rapidly changing gases. A prediction model based on ESN can overcome these limitations because of its nonlinear and implicit storage characteristics. In this paper, the concentration and variation of gas mixture are predicted successfully.

关键词： sensors array Gas concentration prediction Echo state network Open sampling system

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Design and Implementation of a Plantar Pressure Distribution Measuring System 8

Design and Implementation of a Plantar Pressure Distribution...

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8th International Conference on Intelligent Human-Machine Systems and Cybernetics (IHMSC)

作者： Li, Jing Wang, Mo Wang, Xin'an Xie, Zheng Huang, Wulong He, Xiang Wu, Xikai Peking Univ Shenzhen Grad Sch Key Lab Integrated Microsyst Shenzhen Peoples R China Harbin Inst Technol Shenzhen Grad Sch Sch Elect & Informat Engn Shenzhen Peoples R China

ISBN: (纸本)9781509007684

In this study, we developed a plantar pressure distribution measuring system with 6720 piezoresistive pressure sensors array. The system consists of a pressure sensors array for sensing plantar pressure, a signal conditioning and data transmission circuit, a microcontroller with the ARM kernel for controlling the operation of the hardware circuit, a master computer for receiving the plantar pressure data, and a visual data processing program for displaying the graphics data of plantar pressure. This system is designed to measure the static and dynamic plantar pressure, and demonstrates plantar pressure distribution with contour maps. This paper describes the design method and the working principle of the system, and the good agreement between practical measurements and plantar pressure distribution of normal Chinese proves that the design method is reliable.

关键词： Plantar-pressure Piezoresistive pressure sensor Cascade multiplexers sensors array Contour map

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Modified signal processing method for spot welding monitor system

Modified signal processing method for spot welding monitor s...

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4th International Seminar on Modern Cutting and Measurement Engineering

作者： Wang, Rui Luo, Zhen Li, Yang Xuan, Wenbo Fan, Naifeng Tianjin Univ Sch Mat Sci & Engn Tianjin 300072 Peoples R China

ISBN: (纸本)9780819485700

The method for resistance spot welding quality detection is becoming a serious problem recently. Aluminum alloy has high-conductivity and good thermal conductivity, which affects the stability of welding quality. In this paper, a spot welding monitor system based on magnetic sensor array technique is designed for welding quality detection. And a new signal processing method called the "W-ICA" algorithm is proposed to separate the object signals. The results show that the spot welding monitor system works well. And the modified W-ICA algorithm can extract the mixing signal validly and provide us the original signal information. The extract results of the magnetic sensor array help us to analysis whether the spot quality is good or bad.

关键词： spot welding magnetic field sensors array Independent Component Analysis

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