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Sensors, Volume 20, Issue 11

June-1 2020 - 328 articles

Cover Story: The detection of ultrafine particulates produced by combustion engines and other sources is of significant interest to assessing ambient air quality and supporting related epidemiological studies. In this paper, weakly-coupled piezoelectric MEMS resonators are configured as high-resolution gravimetric sensors for the detection of ultrafine particulates. As a proof-of-principle, this paper experimentally demonstrates the application of these MEMS devices to the detection of diesel soot particles of approximately 100 nm diameter. The MEMS sensors employed in this work operate on the principle of vibration mode-localization, employing an amplitude ratio readout metric. Notably, gains in parametric sensitivity and output stability are obtained based on this approach, demonstrating suitability for long-term measurements. View this paper.
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Articles (328)

  • Article
  • Open Access
12 Citations
3,559 Views
15 Pages

11 June 2020

In tactical ad-hoc networks, the importance of various tactical sensors and mission-critical data is increasing owing to their role in determining a tactical situation and ensuring the viability of soldiers. In particular, the reliability of mission-...

  • Article
  • Open Access
14 Citations
4,067 Views
12 Pages

Photon Counting LIDAR Based on True Random Coding

  • Yang Yu,
  • Bo Liu,
  • Zhen Chen and
  • Kangjian Hua

11 June 2020

In this paper, a true random coding photon counting LIDAR is described, in which a Gm-APD (Geiger mode avalanche photodiode) acts as the true random sequence signal generator. The true random coding method not only improves the anti-crosstalk capabil...

  • Letter
  • Open Access
4 Citations
2,935 Views
8 Pages

11 June 2020

Magnetoelectric (ME) power efficiency is a more important property than the ME voltage or the current coefficients for power conversion applications. This paper introduces an analytical model that describes the relation between the external magnetic...

  • Article
  • Open Access
29 Citations
8,792 Views
16 Pages

Multi-Camera Vehicle Tracking Using Edge Computing and Low-Power Communication

  • Maciej Nikodem,
  • Mariusz Słabicki,
  • Tomasz Surmacz,
  • Paweł Mrówka and
  • Cezary Dołęga

11 June 2020

Typical approaches to visual vehicle tracking across large area require several cameras and complex algorithms to detect, identify and track the vehicle route. Due to memory requirements, computational complexity and hardware constrains, the video im...

  • Article
  • Open Access
24 Citations
5,914 Views
17 Pages

11 June 2020

l-Lysine is produced by a complex non-linear fermentation process. A non-linear model predictive control (NMPC) scheme is proposed to control product concentration in real time for enhancing production. However, product concentration cannot be direct...

  • Article
  • Open Access
23 Citations
6,855 Views
16 Pages

11 June 2020

This paper presents the development of a flexible piezoelectric micromachined ultrasonic transducer (PMUT) that can conform to flat, concave, and convex surfaces and work in air. The PMUT consists of an Ag-coated polyvinylidene fluoride (PVDF) film m...

  • Article
  • Open Access
16 Citations
13,525 Views
26 Pages

Floating-Gate MOS Transistor with Dynamic Biasing as a Radiation Sensor

  • Stefan Ilić,
  • Aleksandar Jevtić,
  • Srboljub Stanković and
  • Goran Ristić

11 June 2020

This paper describes the possibility of using an Electrically Programmable Analog Device (EPAD) as a gamma radiation sensor. Zero-biased EPAD has the lowest fading and the highest sensitivity in the 300 Gy dose range. Dynamic bias of the control gate...

  • Article
  • Open Access
28 Citations
6,834 Views
15 Pages

10 June 2020

New sensor and sensor manufacturing technologies are identified as a key factor for a successful digitalisation and are therefore economically important for manufacturers and industry. To address various requirements, a new sputter coating system has...

  • Article
  • Open Access
20 Citations
4,622 Views
10 Pages

10 June 2020

It is generally difficult to characterize inert gases through chemical reactions due to their inert chemical properties. The phase interference-sensing system based on high-resolution surface plasmon resonance (SPR) has an excellent refractive index...

  • Article
  • Open Access
26 Citations
7,016 Views
19 Pages

Integrating IoT and Blockchain for Ensuring Road Safety: An Unconventional Approach

  • Deepak Prashar,
  • Nishant Jha,
  • Sudan Jha,
  • Gyanendra Prasad Joshi and
  • Changho Seo

10 June 2020

The Internet of things (IoT), the Internet of vehicles, and blockchain technology have become very popular these days because of their versatility. Road traffic, which is increasing day by day, is causing more and more deaths worldwide. The world nee...

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Sensors - ISSN 1424-8220