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2015 9th International Conference on Sensing Technology (ICST)最新文献

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Investigation on interdigitated electrode design for impedance spectroscopy technique targeting lard detection application 针对猪油检测应用的阻抗谱技术交叉电极设计研究
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438494
Farhana Mohamad, M. A. Sairin, Nina Naquiah Ahmad Nizar, S. A. Aziz, D. Hashim, Syahiduddin Misbahulmunir, F. Rokhani
This paper investigates the interdigitated electrode design for impedance spectroscopy technique targeting lard detection purposes. Two types of interdigitated electrode were designed and evaluated on high precision impedance converter board subjected to frequency range of 5kHz to 100 kHz. Samples of lard and beef tallow were extracted and mixed with hexane solvent for different concentration levels. Analysis of variance (ANOVA) was applied to the experimental data for statistical data analysis. Experimental results indicate that the impedance value is not a strong function of concentration levels but a function of frequencies. ANOVA results have confirmed that IDE Type-B that has larger electrode area has higher sensing sensitivity over Type-A. Principal Component Analysis (PCA) was used as a statistical multivariate modeling. PCA analysis results showed that the IDE Type B could group animal fats into two distinct groups using both parameters of frequencies and concentrations.
本文研究了以猪油检测为目的的阻抗谱技术中交叉电极的设计。在5kHz ~ 100khz的高精度阻抗转换板上设计了两种交叉指向电极,并对其进行了测试。提取猪油和牛脂样品,用不同浓度的己烷溶剂混合。采用方差分析(ANOVA)对实验数据进行统计分析。实验结果表明,阻抗值不是浓度水平的强函数,而是频率的函数。方差分析结果证实,电极面积较大的IDE b型比a型具有更高的传感灵敏度。采用主成分分析(PCA)作为多元统计模型。PCA分析结果表明,IDE Type B可以利用频率和浓度参数将动物脂肪分为两类。
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引用次数: 14
Novel application of microphone array sensor for children's language learning support — Intelligent Interactive Design using voice separation and recognition system — 麦克风阵列传感器在儿童语言学习支持中的新应用——基于语音分离和识别系统的智能交互设计
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438437
T. Nakadai, Motohiko Hano, H. Mizoguchi, Ryohei Egusa, Etsuji Yamaguchi, S. Inagaki, Yoshiaki Takeda, M. Namatame, Masanori Sugimoto, F. Kusunoki
Development of a robust and precise voice interface could accelerate the realization of a learning support system that utilizes voice. In our research, this objective is called Intelligent Interactive Design of learning support. In order to realize Intelligent Interactive Design, we propose a “voice separation and recognition system” that aims at clear voice separation for robust voice recognition by voice recognition systems. The results of experiments conducted indicate that our Intelligent Interactive Design has a correct voice recognition rate above 70%. The results are highly satisfactory and indicate that Intelligent Interactive Design can be realized via our proposed system in the near future.
开发鲁棒、精确的语音接口可以加速语音学习支持系统的实现。在我们的研究中,这个目标被称为学习支持的智能交互设计。为了实现智能交互设计,我们提出了一种“语音分离与识别系统”,旨在通过语音识别系统实现清晰的语音分离,实现鲁棒的语音识别。实验结果表明,我们的智能交互设计正确的语音识别率在70%以上。实验结果令人满意,表明该系统在不久的将来可以实现智能交互设计。
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引用次数: 0
Wi-Fi connected environmental measurement system by small-scale solar cell 小型太阳能电池Wi-Fi连接环境测量系统
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438498
Y. Matsumoto, Y. Ishigaki, Kenji Tanaka
An environmental measurement system was developed using a low-power sensing module, IEEE 802.11 (Wi-Fi) connection module, and a small solar cell and battery. An Arduino-based sensing module was used for many kinds of analog/digital outputs sensors with the Arduino software library. The data from the module were sent via Wi-Fi HTTP(S) clients operation, and collected by MySQL server using PHP (Hypertext Preprocessor) uploading code. The sleep and wakeup strategy controlled by a real-time clock achieved an average system power consumption of 18 mW. The system also checked its own condition by measuring battery voltage and temperature. It operated on a small 0.8 W solar cell and 1500-mAh Lithium iron phosphate battery. Data on the MySQL server were downloaded, and visualized the sensing data on Google Maps. Visualizations and log data help users understand environmental contamination levels in a farm, garden, forest, etc.
利用低功耗传感模块、IEEE 802.11 (Wi-Fi)连接模块、小型太阳能电池和电池,开发了一套环境测量系统。基于Arduino的传感模块,结合Arduino软件库,用于多种模拟/数字输出传感器。模块数据通过Wi-Fi HTTP(S)客户端操作发送,MySQL服务器使用PHP (Hypertext Preprocessor)上传代码进行采集。由实时时钟控制的睡眠和唤醒策略实现了平均18兆瓦的系统功耗。该系统还通过测量电池电压和温度来检测自身状态。它使用一个0.8瓦的小型太阳能电池和1500毫安时的磷酸铁锂电池。下载MySQL服务器上的数据,并将传感数据在Google Maps上可视化。可视化和日志数据帮助用户了解农场、花园、森林等的环境污染水平。
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引用次数: 1
Enhancing mobile device peripheral controls using Visible Light Communication (VLC) 利用可见光通信(VLC)增强移动设备外围控制
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438473
A. Farooq, G. Evreinov, R. Raisamo
Since its emergence, Optical communication systems have always been considered as a significantly attractive alternative to wired data transfer techniques, especially in environment where high data rate is essential in a multi-component system. Unfortunately, optical communication is still not as robust as traditional mechanisms and suffers from various types of distortion, such as jitter in data propagation. These issues can degrade the performance of a transmission system by introducing bit errors and uncontrolled offsets or displacements in the digital signals. However, these issues are more apparent with bidirectional full duplex data transfers in which complex bit streams are multiplexed within slotted intervals in a synchronized clock scheme. Although efforts have been made to improve robustness of the high bitrate data communication, we believe that optical communication may also be useful in environments where unidirectional control signals are passed down in a parallel bit stream in an asynchronous setup removing the need to multiplex data streams and assign timeslots to the transferred data. These low traffic control communication signals can be used to regulate a wide host of components and peripherals which may not be suitable in a traditional wired setup. For this purpose, our research focuses on utilizing a section of the conventional display to generate unidirectional control signals for attached modular peripherals. Using various display technologies, we proved that this type of control communication can robustly interact with external systems without the need for complex signal encoding, which is essential in traditional serial communication protocols. We believe that this technique can reduce signal encoding delays by relying on parallel processes for data transfer within a limited segment of the video frame in communicating with common peripheral devices.
自出现以来,光通信系统一直被认为是有线数据传输技术的一个非常有吸引力的替代方案,特别是在多组件系统中需要高数据速率的环境中。不幸的是,光通信仍然不像传统机制那样健壮,并且遭受各种类型的失真,例如数据传播中的抖动。这些问题会通过在数字信号中引入比特错误和不受控制的偏移或位移而降低传输系统的性能。然而,这些问题在双向全双工数据传输中更为明显,其中复杂的比特流在同步时钟方案的槽间隔内进行多路复用。虽然已经努力提高高比特率数据通信的鲁棒性,但我们认为光通信在单向控制信号在异步设置中以并行比特流向下传递的环境中也可能有用,从而消除了多路数据流和为传输数据分配时隙的需要。这些低流量控制通信信号可用于调节各种组件和外设,这些组件和外设可能不适合传统的有线设置。为此,我们的研究重点是利用传统显示器的一部分为附加的模块化外设生成单向控制信号。利用各种显示技术,我们证明了这种类型的控制通信可以与外部系统进行鲁棒交互,而不需要复杂的信号编码,而传统串行通信协议是必不可少的。我们相信,这种技术可以减少信号编码延迟,依靠并行进程的数据传输在视频帧的有限段内与公共外围设备通信。
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引用次数: 1
A low-cost, rapid-deployment and energy-autonomous wireless sensor network for air quality monitoring 一种用于空气质量监测的低成本、快速部署和能源自主的无线传感器网络
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438376
C. M. David, Quispe T. River, Rojas M. Jorge, Jacoby K. Andres, Garayar L. Guillermo
Air quality is an essential factor to assess the health and life quality of people. However, air pollution has become an acute problem in major cities of developing countries due to the rapid industrialization and poor handling of air pollutants. In this scenario, air quality monitoring practices have been scarcely implemented largely because of the relatively high cost and technical complexity of Continuous Air Quality Monitoring Stations (CAQMS). This paper proposes a low-cost, rapid-deployment and energy-autonomous solution based on wireless sensor networks (WSN) to improve the assessment and the understanding of air quality in developing countries urban areas, thus helping policy makers and scientists to better handle air pollution. The proposal incorporates the use of a website to display collected data and processed information in order to empower citizens with knowledge about the air they breathe.
空气质量是评价人们健康和生活质量的重要因素。然而,由于工业化的快速发展和对空气污染物处理不力,空气污染已成为发展中国家主要城市的一个严重问题。在这种情况下,空气质量监测实践几乎没有实施,主要是因为连续空气质量监测站(CAQMS)的成本相对较高,技术复杂。本文提出了一种基于无线传感器网络(WSN)的低成本、快速部署和能源自主的解决方案,以改进对发展中国家城市地区空气质量的评估和理解,从而帮助决策者和科学家更好地处理空气污染。该提案包括使用一个网站来显示收集到的数据和处理过的信息,以便让公民了解他们呼吸的空气。
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引用次数: 9
Ultrasonic transmission and reflection measurements of a rat skull 大鼠颅骨的超声波透射和反射测量
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438510
P. Harris, R. Petherick
An ultrasonic pulse-echo and transmission system was developed to enable measurements on rat skulls for the frequency range 0.5MHz to 10MHz. Experimental results showed that for frequencies below 2MHz transmission through the skull was high whilst above 5MHz the transmission is low and falling with increasing frequency; the reflected signal magnitude was comparatively constant. MicroCT imaging shows that the pores within the skull are of a size that in this frequency range would cause scattering of the propagating wave and the ultrasonic data does show the onset of an acoustic loss mechanism in the frequency range between 2MHz and 5MHz.
研制了一种超声脉冲回波和传输系统,可在0.5MHz至10MHz的频率范围内对大鼠颅骨进行测量。实验结果表明,在低于2MHz的频率下,通过颅骨的传输速率很高,而在高于5MHz的频率下,传输速率很低,并且随着频率的增加而下降;反射信号的幅度相对恒定。微ct成像显示颅骨内的孔隙在该频率范围内的大小会导致传播波的散射,超声数据确实显示在2MHz和5MHz之间的频率范围内声损失机制的开始。
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引用次数: 0
Preparation and characterization of nickel oxide-based EGFET pH sensors 氧化镍基EGFET pH传感器的制备与表征
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438430
F. Lin, Hsi-Yen Chang, S. Hsiao, Huey-Ing Chen, Wen-Chau Liu
NiO films based extended gate field-effect transistor (EGFET) pH sensors were fabricated and investigated in this work. Experimentally, nickel oxide (NiO) nanoparticles were first prepared via precipitation method. Subsequently, the NiO film was deposited on the FTO glass substrate by spin-coating. In the precipitation of NiO, two precipitants, NaOH and NH4OH solutions, were used. The influences of preparation conditions including precipitant, coating number, and calcination temperature on the properties of NiO films and pH sensing performances of devices were investigated. From experimental results, it was found that the NaOH-derived NiO devices exhibited superior sensing performances than the NH4OH-derived ones, due to their smaller grain size and denser packing of NiO film. It also revealed that, a highest sensitivity of 53.40 mV/pH was achieved in the pH range from 2 to 12 with a good linearity of 0.9989, which was fabricated with a precipitant of NaOH solution, a coating number of 10, and a calcination temperature of 400°C. Moreover, the device showed a negligible hysteresis effect.
本文制作并研究了基于NiO薄膜的扩展栅场效应晶体管(EGFET) pH传感器。实验上首次采用沉淀法制备了氧化镍纳米颗粒。随后,通过旋转镀膜将NiO薄膜沉积在FTO玻璃基板上。在NiO的沉淀中,使用了NaOH和NH4OH两种沉淀剂。考察了沉淀剂、镀层数量、煅烧温度等制备条件对NiO薄膜性能和器件pH传感性能的影响。实验结果表明,naoh衍生NiO器件的晶粒尺寸更小,NiO薄膜的堆积密度更大,传感性能优于nh4oh衍生NiO器件。结果表明,在pH为2 ~ 12的范围内,以NaOH溶液为沉淀剂,包覆数为10,煅烧温度为400℃,在0.9989的良好线性关系下,该材料的灵敏度最高,为53.40 mV/pH。此外,该装置的迟滞效应可以忽略不计。
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引用次数: 8
Microbial fuel cell as a biosensor to monitor various toxic metal substances in water 微生物燃料电池作为监测水中各种有毒金属物质的生物传感器
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438433
Jae Sun Lee, D. Kim, H. Jeon, B. S. Park, Hee Jin Yang, M. Hyun, Mia Kim
Toxicities of twelve kinds of metals were evaluated by using a microbial fuel cell as a monitoring sensor. Tested metals were barium(Ba), beryllium(Be), cobalt(Co), copper(Cu), iron(Fe), manganese(Mn), mercury(Hg), lead(Pb), selenium(Se), thallium(Tl), vanadium(V), and zinc(Zn). Most of the tested metals are not allowed to be present above a certain concentration in drinking water system in South Korea. To evaluate the toxicities of the metals in water, HATOX-2000, a bio-monitoring system, was utilized. Minimum concentration of response of each metal and toxicity values in certain concentration range were determined through the test. The minimum concentrations of response were less than 1.0 mg/L for all the tested metals. The lowest value was observed as 0.1 mg/L for thallium. HATOX-2000 was able to detect the tested metal substances in water system with high sensitivity.
以微生物燃料电池为监测传感器,对12种金属的毒性进行了评价。测试的金属有钡(Ba)、铍(Be)、钴(Co)、铜(Cu)、铁(Fe)、锰(Mn)、汞(Hg)、铅(Pb)、硒(Se)、铊(Tl)、钒(V)和锌(Zn)。大多数被检测的金属在韩国的饮用水系统中不允许超过一定的浓度。为了评价水中金属的毒性,采用了生物监测系统HATOX-2000。通过试验确定了各种金属的最小反应浓度和一定浓度范围内的毒性值。所有检测金属的最小响应浓度均小于1.0 mg/L。铊的最低值为0.1 mg/L。HATOX-2000能够对水系统中被测金属物质进行高灵敏度检测。
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引用次数: 5
Influence of rail wear on output voltage of eddy-current rail displacement sensor 导轨磨损对涡流导轨位移传感器输出电压的影响
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438429
Y. Shimojima, Y. Bu, T. Mizuno, Takafumi Asahi, Makoto Ito, S. Enoki
This paper describes the structure and output voltage characteristics of a rail displacement sensor comprising triangular coils. The calculation was demonstrated under a few assumptions. The maximum output voltage error between the measured and the calculated values was 2.4%. The influence of rail wear on output voltage leads to a displacement error of 12 mm.
本文介绍了一种由三角形线圈构成的轨道位移传感器的结构和输出电压特性。该计算是在几个假设条件下进行的。测量值与计算值之间的最大输出电压误差为2.4%。导轨磨损对输出电压的影响导致位移误差为12 mm。
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引用次数: 1
A novel embedded system-based backbone communication network for smart grid 一种基于嵌入式系统的智能电网骨干通信网络
Pub Date : 2015-12-01 DOI: 10.1109/ICSENST.2015.7438445
Cheng-Yue Liu, Xiang-Yao Zheng, Chien-Hao Wang, Chih-Hao Syue, Ching-Ya Tseng, Yeun-Chung Lee, Joe-Air Jiang, Fang-Cheng Chou
A smart grid is a modernized power grid. Many novel technologies have been used to smart grids. One of the technologies is the wireless sensor network. In this study, a novel backbone communication network is proposed, which combines two different wireless technologies (the ZigBee and Wi-Fi protocol), to form a communication network between the transmission towers in a power grid. The gateway in the network consists of an embedded system and an AP with long-range communication capability. The embedded system is used as a computing platform to deal with sensor readings transmitted through the ZigBee protocol and routing data transmitted between towers via long-range Wi-Fi. Finally, the gateways relay the readings to a back-end server in a monitoring center (e.g. substation, ADCC, and CDCC) through the backbone communication network. Furthermore, to manage all the gateways, a routing algorithm for the backbone communication network is designed to ensure the reliability of data transmission in this study. Simulation is done to test the effectiveness and reliability of the routing algorithm. Although other papers have shown architectures and algorithms for smart grid, they are not proper for power grid in Taiwan due to the distribution of transmission lines. This study proposes an embedded system-based backbone communication network for power grid in Taiwan.
智能电网是现代化的电网。许多新技术已被应用于智能电网。其中一项技术是无线传感器网络。本文提出了一种新型的骨干通信网络,该网络结合了两种不同的无线技术(ZigBee和Wi-Fi协议),形成了电网中输电塔之间的通信网络。网络中的网关由嵌入式系统和具有远程通信能力的AP组成。嵌入式系统用作计算平台,处理通过ZigBee协议传输的传感器读数和通过远程Wi-Fi在塔之间传输的路由数据。最后,网关通过骨干通信网络将读数中继到监控中心(例如变电站、ADCC和CDCC)的后端服务器。此外,为了对所有网关进行管理,本研究设计了一种骨干通信网络的路由算法,以保证数据传输的可靠性。通过仿真验证了该路由算法的有效性和可靠性。虽然已有文献提出了智能电网的架构和算法,但由于输电线路分布的原因,这些架构和算法并不适合台湾电网。本研究提出一种基于嵌入式系统的台湾电网骨干通信网络。
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引用次数: 2
期刊
2015 9th International Conference on Sensing Technology (ICST)
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