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Sensors, Volume 19, Issue 3

February-1 2019 - 312 articles

Cover Story: Printable electronics (PE) allow for the low-cost and high-volume production of customized electronics devices, which makes PE appealing to a wide range of industries. However, for the fabrication of PE devices at an industrial scale, an in-line quality control tool has to be developed. Following the idea of a color control bar for traditional graphic art printing, we developed a quality control bar made from a terahertz vortex phase plate (VPP) that is able to follow the printed ink condition during production. We experimentally demonstrated by terahertz time-domain spectroscopy that the transmission response of VPP as a function of ink conductivity is consistent and more repeatable than conventional conductivity measurements, e.g., four-point probe. Our results open the door for a simple, non-destructive evaluation strategy for PE devices manufacturing in real-time and in a contactless fashion. View this paper.
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Articles (312)

  • Article
  • Open Access
49 Citations
6,480 Views
14 Pages

Enhanced Hydrogen Detection in ppb-Level by Electrospun SnO2-Loaded ZnO Nanofibers

  • Jae-Hyoung Lee,
  • Jin-Young Kim,
  • Jae-Hun Kim and
  • Sang Sub Kim

11 February 2019

High-performance hydrogen sensors are important in many industries to effectively address safety concerns related to the production, delivering, storage and use of H2 gas. Herein, we present a highly sensitive hydrogen gas sensor based on SnO2-loaded...

  • Article
  • Open Access
61 Citations
9,232 Views
16 Pages

Improving IoT Botnet Investigation Using an Adaptive Network Layer

  • João Marcelo Ceron,
  • Klaus Steding-Jessen,
  • Cristine Hoepers,
  • Lisandro Zambenedetti Granville and
  • Cíntia Borges Margi

11 February 2019

IoT botnets have been used to launch Distributed Denial-of-Service (DDoS) attacks affecting the Internet infrastructure. To protect the Internet from such threats and improve security mechanisms, it is critical to understand the botnets’ intent...

  • Article
  • Open Access
11 Citations
4,510 Views
14 Pages

11 February 2019

In this paper, a new model of cutting grinding force for disc wheels is presented. Initially, it was proposed that the grinding cutting force was formed by the grinding force and cutting force in combination. Considering the single-grit morphology, t...

  • Article
  • Open Access
23 Citations
6,045 Views
9 Pages

11 February 2019

In this paper, the far-field energy harvesting system for self-sustainable wireless autonomous sensor application is presented. The proposed autonomous sensor system consists of a wireless power supplier (active antenna) and far-field energy harvesti...

  • Article
  • Open Access
15 Citations
5,466 Views
18 Pages

A High-Computational Efficiency Human Detection and Flow Estimation Method Based on TOF Measurements

  • Weihang Wang,
  • Peilin Liu,
  • Rendong Ying,
  • Jun Wang,
  • Jiuchao Qian,
  • Jialu Jia and
  • Jiefeng Gao

11 February 2019

State-of-the-art human detection methods focus on deep network architectures to achieve higher recognition performance, at the expense of huge computation. However, computational efficiency and real-time performance are also important evaluation indi...

  • Article
  • Open Access
6 Citations
5,183 Views
20 Pages

Design of a 1-bit MEMS Gyroscope using the Model Predictive Control Approach

  • Xiaofeng Wu,
  • Zhicheng Xie,
  • Xueliang Bai and
  • Trevor Kwan

11 February 2019

In this paper, a bi-level Delta-Sigma modulator-based MEMS gyroscope design is presented based on a Model Predictive Control (MPC) approach. The MPC is popular because of its capability of handling hard constraints. In this work, we propose to combin...

  • Article
  • Open Access
16 Citations
8,329 Views
21 Pages

11 February 2019

Real-time tracking of pipeline inspection gauges (PIGs) is an important aspect of ensuring the safety of oil and gas pipeline inline inspections (ILIs). Transmitting and receiving extremely low frequency (ELF) magnetic signals is one of the preferred...

  • Review
  • Open Access
196 Citations
18,062 Views
14 Pages

11 February 2019

Whereas modern digital cameras use a pixelated detector array to capture images, single-pixel imaging reconstructs images by sampling a scene with a series of masks and associating the knowledge of these masks with the corresponding intensity measure...

  • Article
  • Open Access
57 Citations
5,531 Views
19 Pages

Fast Radio Map Construction by using Adaptive Path Loss Model Interpolation in Large-Scale Building

  • Jingxue Bi,
  • Yunjia Wang,
  • Zengke Li,
  • Shenglei Xu,
  • Jiapeng Zhou,
  • Meng Sun and
  • Minghao Si

10 February 2019

The radio map construction is usually time-consuming and labor-sensitive in indoor fingerprinting localization. We propose a fast construction method by using an adaptive path loss model interpolation. Received signal strength (RSS) fingerprints are...

  • Article
  • Open Access
4 Citations
4,524 Views
15 Pages

Picking Towels in Point Clouds

  • Xiaoman Wang,
  • Xin Jiang,
  • Jie Zhao,
  • Shengfan Wang,
  • Tao Yang and
  • Yunhui Liu

10 February 2019

Picking clothing has always been a great challenge in laundry or textile industry automation, especially when some clothes are of the same colors, material and entangled with each other. In order to solve the problem, we present a grasp pose determin...

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Sensors - ISSN 1424-8220