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2018 International Conference on Computational Approach in Smart Systems Design and Applications, ICASSDA 2018

作者： Lip, Chai Joon Yeon, Ahmad Shakaff Ali Kamarudin, Latifah Munirah Kamarudin, Kamarulzaman Visvanathan, Retnam Zaidi, Ahmad Firdaus Ahmad Mamduh, Syed Muhammad Zakaria, Ammar Nooriman, Wan Mohd Universiti Malaysia Perlis School of Mechatronic Engineering Center of Excellence for Advanced Sensor Technology M-Arau Malaysia

ISBN: (纸本)9781538683699

3D model of human body has been widely used in many applications including medical, health and security, since it is able to provide information on human body shape. This paper proposes a method to identify human based on the 3D model of the body and the depth data form the Kinect. The system firstly utilizes the coordinate points from the 3D model to calculate the selected anthropometry features of human body. Then, the features are compared with real time Kinect's depth acquisition to perform pose recognition and human identification. Eight candidates were involved in the reliability test of the system with each of them performed 6 trials, making a total of 48 trials. The overall reliability of the system in identifying the correct candidate was found to be 79.167%. © 2018 IEEE.

关键词： Image reconstruction

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Design and experiment of test system for simulating aero-engine burn fragments fault 2

Design and experiment of test system for simulating aero-eng...

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2nd International Conference on Frontiers of sensors Technologies, ICFST 2017

作者： Manguo, Huang Wei, Liu Defeng, Liu Yanshan, Wang Xin, Li Advanced Sensor Technology Center AVIC Beijing Changcheng Aeronautic Measurement and Control Technology Research Institute Beijing China Aviation Key Laboratory of Science and Technology On Special Condition Monitoring Sensor Technology Beijing China

ISBN: (纸本)9781509048601

The aero-engine gas path fault is the important aero-engine fault and has high frequency. This fault must be found timely and solved as early as possible to make sure the normal work of aero-engine and the safe flight of the airplane. The burn fragments fault is a common fault aero-engine gas path fault. The special aero-engine gas path fault simulation test system is necessary if we want to study the burn fragments fault efficiently and deeply. Based on the electrostatic monitoring technology, a kind of test system of aero-engine gas path fault was designed in this paper, and the burn fragments fault was simulated by the test system. Finally, the experiments for aero-engine gas path faults simulations were performed, and the effectiveness of simulation test system of aero-engine gas path fault was verified. © 2017 IEEE.

关键词： Electrostatics

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An electromagnetic-triboelectric hybrid generator (ETHG) for harvesting broadband and multi-directional vibration energy from transmission lines

Next Energy

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Next Energy 2025年 7卷

作者： Liu, Huicong Wang, Zizhao Shang, Yurui Li, Zhenming Tang, Wei Li, Zhen Liu, Wei Liu, Mingyang Sun, Yuyang Lu, Yongling School of Mechanical and Electric Engineering Jiangsu Provincial Key Laboratory of Advanced Robotics Soochow University Suzhou 215006 China CAS Center for Excellence in Nanoscience Beijing Key Laboratory of Micro-Nano Energy and Sensor Beijing Institute of Nanoenergy and Nanosystems Chinese Academy of Sciences Beijing 101400 China Energy Storage and Electrotechnics Department China Electric Power Research Institute Beijing 100192 China College of Engineering Center for Agricultural Flexible Electronics Technology China Agricultural University Beijing 100083 China State Grid Jiangsu Electric Power Company Research Institute State Grid Nanjing 211100 China

Given the ubiquity of wind-induced vibrations on transmission lines, harvesting this energy to power wireless sensors is crucial for developing smart grids toward the electric Internet of Things (eIoT). This paper introduces a high-power electromagnetic-triboelectric hybrid generator (ETHG) as a self-powered solution for smart grid monitoring, addressing limitations of existing generators, including single-direction operation, narrow working bandwidth, and low output power. The ETHG utilizes an innovative pick-up unit featuring a multi-spring mass structure to harvest vibration energy from arbitrary directions and multiple frequencies ranging from 14 to 24 Hz. The electromagnetic generator (EMG) component adopts a multiple magnet-coil arrangement to generate high current and output power. The origami-inspired triboelectric nanogenerator (origami-TENG) component, made of folded conductive fabrics and conductive fabric/fluorinated ethylene propylene (FEP) elastic strips, offers advantages of ultralight and high voltage output. By seamlessly integrating a pickup unit with a hybrid power generation module featuring complementary signals, ETHG performance is enhanced in an aeolian vibration environment characterized by random, low-level excitations. Under a 1 g sweep excitation along the Z-axis with a 5-fold origami configuration, the EMG and TENG components achieve maximum voltage outputs of 3.28 and 523.8 V, with corresponding power outputs reaching 46.9 and 8.2 mW, respectively. Compared to relevant reported generators from transmission line vibrations, the normalized power density of 0.88 mW/cm³·g² is improved by one order of magnitude. A power management circuit (PMC) is proposed to efficiently manage the electromagnetic-triboelectric hybrid signals, increasing the EMG and TENG charging speeds by 172 and 333%, respectively, compared to a rectifier bridge scheme. A vibration energy harvesting system (VEHS) comprising multiple ETHGs and a PMC sup

关键词： Hybrid generator Multidirectional Self-powered sensing Transmission line vibration Wide bandwidth

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ATLAS multlspectral sensor calibration and right test results

ATLAS multlspectral sensor calibration and right test result...

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Recent Advances in sensors, Radiometric Calibration, and Processing of Remotely Sensed Data 1993

作者： DaMommio, T. Kuo, S. Advanced Sensor Development Laboratory Sverdrup Technology Inc. Stennis Space Center MS39529 United States

The ATLAS (Airborne Terrestrial Applications sensor) is a 15-channel multispectral scanning imager, currently under development for NASA's Commercial Remote Sensing Program (CRSP) Office. The sensor package utilizes a rotating linescan mirror, and a modified Dall-Kirkham telescope with a 7.5-inch clear aperture and 2.0 mrad ifov. Scan rates are adjustable from 6-50 rev/sec, with a total field of view of ∼ 73°. Three spectrometers with grating dispersive elements are used to provide wide spectral coverage, shown below: o VIS/NIR, 6 channels: 0.45-0.90 μm o SW/MWIR, 3 channels: 1.55-4.20 μm o TIR, 6 channels: 8.2-12.2 μm. Blackbody sources (hi/o) and a modified integrating sphere source, built into the scanhead, are employed to provide in-flight radiometric calibration data for quantitative inference of ground scene temperatures and radiance values. In this paper, the overall design of the ATLAS scanner system is reviewed. Results of spectral response, NETD, NER and MTF calibration measurements are presented for each channel. Additionally, some initial ATLAS flight test data and analysis are described, including SNR, uniformity of TIR data over water, overall image quality and other results. © 1993 SPIE. All rights reserved.

关键词： NASA

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Selective growth of carbon nanotube on silicon substrates

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中国有色金属学会会刊：英文版 2006年第B01期16卷 377-380页

作者：邹小平 H.ABE T.SHIMIZU A.ANDO H.TOKUMOTO 朱申敏周豪慎 Research Center for Sensor Technology Beijing Information Technology InstituteBeijing 100101China Beijing Key Laboratory for Sensor Beijing 100101China Nanotechnology Research Institute National Institute of Advanced Industrial Science and Technology1-1-1 HigashiTsukubaIbalaki 305-8562Japan Energy Electronics Research Institute National Institute of Advanced Industrial Science and Technology1-1-1 UmezonoTsukubaIbalaki 305-8568Japan Nano-electronics Research Institute National Institute of Advanced Industrial Science and Technology1-1-1 UmezonoTsukubaIbalaki 305-8568Japan Nanotechnology Research Center Research Institute for Electronic ScienceHokkaido UniversitySapporo 001-0021Japan

The carbon nanotube (CNT) growth of iron oxide-deposited trench-patterns and the locally-ordered CNT arrays on silicon substrate were achieved by simple thermal chemical vapor deposition(STCVD) of ethanol vapor. The CNTs were uniformly synthesized with good selectivity on trench-patterned silicon substrates. This fabrication process is compatible with currently used semiconductor-processing technologies, and the carbon-nanotube fabrication process can be widely applied for the development of electronic devices using carbon-nanotube field emitters as cold cathodes and can revolutionize the area of field-emitting electronic devices. The site-selective growth of CNT from an iron oxide nanoparticle catalyst patterned were also achieved by drying-mediated self-assembly technique. The present method offers a simple and cost-effective method to grow carbon nanotubes with self-assembled patterns.

关键词： carbon nanotubes silicon substrate STCVD trench-patterned locally-ordered pattern

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Electronically scanned arrays of dual-polarized, Doubly-Mirrored Balanced Antipodal Vivaldi Antennas (DmBAVA) based on modular elements

Electronically scanned arrays of dual-polarized, Doubly-Mirr...

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IEEE Antennas and Propagation Society International Symposium, APS 2006

作者： Elsallal, M.W. Schaubert, D.H. Center for Advanced Sensor and Communications Antennas Department of Electrical and Computer Engineering University of Massachusetts Amherst MA 01003 Advanced Technology Center Rockwell Collins Inc. Cedar Rapids IA 52489

This work is a continuation to parameter studies of Balanced Antipodal Vivaldi Antenna (BAVA) to achieve broadband, electronically scanned arrays (ESA). Numerical simulations to evaluate the transformation of single polarized (SP) Doubly-Mirrored Balanced Antipodal Vivaldi Antenna (DmBAVA) into a dual-polarized (DP) array are presented. Scan performance shows the widest bandwidth known for DP-DmBAVA antennas while maintaining SP-DmBAVA's superior features;reduced-height (∼ λHighest-Frquency/2), more than octave bandwidth, wide scanangle and modular elements. ©2006 IEEE.

关键词： Antenna arrays

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Semiconductor scintillator based on photon recycling

Semiconductor scintillator based on photon recycling

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作者： Luryi, Serge Subashiev, Arsen V. University at Stony Brook ECE Department and NY State Center for Advanced Sensor Technology Stony Brook NY 11794-2350 United States

Direct-bandgap semiconductor with high quantum radiative efficiency can operate as a scintillator despite being opaque to its own luminescence. An interband absorption does not finish off the luminescence but merely creates a new minority carrier, which in turn recombines in a predominately radiative fashion. To take full advantage of this photon recycling effect, optically-tight integration of photoreceivers on both sides of the semiconductor scintillator wafer is desirable. © 2011 Elsevier B.V.

关键词： Indium phosphide

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Growth of straight carbon nanotubes by simple thermal chemical vapor deposition

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中国有色金属学会会刊（英文版） 2006年第z1期16卷 686-691页

作者： ZOU Xiao-ping H. ABE T. SHIMIZU A. ANDO H. TOKUMOTO ZHU Shen-ming ZHOU Hao-shen Research Center for Sensor Technology Beijing Information Technology Institute Beijing 100101 China Beijing Key Laboratory for Sensor Beijing 100101 China Nanotechnology Research Institute National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibalaki 305-8562 Japan Energy Electronics Research Institute National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Umezono Tsukuba Ibalaki 305-8568 Japan Nanotechnology Research Institute National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibalaki 305-8562 Japan Nano-electronics Research Institute National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Umezono Tsukuba Ibalaki 305-8568 Japan Nanotechnology Research Institute National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Higashi Tsukuba Ibalaki 305-8562 Japan Nanotechnology Research Center Research Institute for Electronic Science Hokkaido University Sapporo 001-0021 Japan Energy Electronics Research Institute National Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Umezono Tsukuba Ibalaki 305-8568 Japan

Straight carbon nanotubes (CNTs) were achieved by simple thermal chemical vapor deposition(STCVD) catalyzed by Mo-Fe alloy catalyst on silica supporting substrate at 700 ℃. High-resolution transmission electron microscopy images show that the straight CNTs are well graphitized with no attached amorphous carbon. Mo-Fe alloy catalyst particles play a very crucial role in the growth of straight CNTs. The straight carbon nanotubes contain much less defects than the curved nanotubes and might have potential applications for nanoelectrical devices in the future. The simple synthesis of straight CNTs may have benefit for large-scale productions.

关键词： straight carbon nanotubes simple thermal chemical vapor deposition Mo-Fe alloy catalyst

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Enhancing the electroactivity of supercapacitors through nitrogen doping on cellulose-derived carbon materials

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Chinese Chemical Letters 2025年

作者： Siling Chen Yang Hu Sijia Zhang Xuesong Liu Zhuqun Shi Chuanxi Xiong Weiwei Wu Ruizhi Ning Quanling Yang Engineering Research Center of Molecular & Neuroimaging Ministry of Education School of Life Science and Technology Xidian University Xi'an 710126 China Interdisciplinary Research Center of Smart Sensor Academy of Advanced Interdisciplinary Research Xidian University Xi’an 710126 China School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China School of Chemistry Chemical Engineering and Life Sciences Wuhan University of Technology Wuhan 430070 China Shenzhen Institute Wuhan University of Technology Shenzhen 518000 China

Nowadays, higher requirements are put forward to the storage and utilization of energy, and supercapacitor is a kind of energy storage electronic devices. The resulting CA-N, with a specific surface area of 320.6 m²/g and a pore volume of 0.28 cm³/g, demonstrated a remarkable supercapacitance of 283.3 F/g. As a mesoporous material, CA-N offers numerous channels for the diffusion and absorption of electrolyte ions. Furthermore, it exhibited an impressive capacity retention rate of 98.48% after 5,000 charge-discharge cycles. These outstanding electrochemical properties highlight the potential of CA-N for applications in energy storage.

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Perovskite light-emitting/detecting bifunctional fibres for wearable LiFi communication

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Light(Science & Applications) 2020年第1期9卷 441-449页

作者： Qingsong Shan Changting Wei Yan Jiang Jizhong Song Yousheng Zou Leimeng Xu Tao Fang Tiantian Wang Yuhui Dong Jiaxin Liu Boning Han Fengjuan Zhang Jiawei Chen Yongjin Wang Haibo Zeng MIIT Key Laboratory of Advanced Display Materials and Devices Institute of Optoelectronics&NanomaterialsSchool of Materials Science and EngineeringNanjing University of Science and TechnologyNanjing 210094China Peter Grünberg Research Center Laboratory of Broadband Wireless Communication and Sensor Network TechnologyMinistry of EducationNanjing University of Posts and TelecommunicationsNanjing 210003China

Light fidelity(LiFi),which is emerging as a compelling technology paradigm shifting the common means of highcapacity wireless communication technologies,requires wearable and full-duplex compact design because of its great significance in smart wearables as well as the‘Internet of Things’.However,the construction of the key component of wearable full-duplex LiFi,light-emitting/detecting bifunctional fibres,is still challenging because of the conflicting process between carrier separation and recombination,as well as the highly dynamic film-forming ***,we demonstrate light-emitting/detecting bifunctional fibres enabled by perovskite QDs with hybrid *** hybrid perovskite inks endow fibres with super-smooth QD ***,combined with the small exciton binding energy and high carrier mobility of perovskite QDs,enables successful integration of electroluminescence and photodetection into *** bifunctional fibres possess the narrowest electroluminescence full width at half maximum of ~19 nm and,more importantly,the capability for simultaneously transmitting and receiving *** successful fabrication of narrow emission full-duplex LiFi fibres paves the way for the fabrication and integration of low crosstalk interoperable smart wearables.

关键词： process perovskite functional

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