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9 Results Found

  • Article
  • Open Access
5 Citations
4,331 Views
29 Pages

Bluetooth Load-Cell-Based Support-Monitoring System for Safety Management at a Construction Site

  • Haksun Kim,
  • Sehwan Park,
  • Minkyo Yeom,
  • Hakbo Shim and ,
  • Soonjeon Park and
  • Junkyeong Kim
  • + 1 author+ 0 author

23 May 2022

At construction sites, temporary facilities have caused continuous collapse accidents, causing damage to human life. If the concrete placing height is high and the worker is pushed into one place at the time of placing, the working load may be exceed...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
25 Citations
11,427 Views
19 Pages

A New Crank Arm-Based Load Cell for the 3D Analysis of the Force Applied by a Cyclist

  • Alexandre Balbinot,
  • Cleiton Milani and
  • Jussan Da Silva Bahia Nascimento

3 December 2014

This report describes a new crank arm-based force platform designed to evaluate the three-dimensional force applied to the pedals by cyclists in real conditions. The force platform was designed to be fitted on a conventional competition bicycle crank...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
1 Citations
7,304 Views
19 Pages

Real-Time Automatic Calculation of Euro Coins and Banknotes in a Cash Drawer

  • Manuel Cereijido,
  • Fernando Nuño,
  • Alberto M. Pernía,
  • Miguel J. Prieto and
  • Pedro J. Villegas

9 June 2019

A very interesting and useful complement to classical cash-registers is presented in this paper, coming up with a real-time auto-counting solution for the money inside a cash drawer. The system allows knowing not only the total amount of money but al...

(This article belongs to the Special Issue Advances in Intelligent Single/Multiple Sensing Systems and Applications)
  • Article
  • Open Access
8 Citations
6,112 Views
16 Pages

Monitoring Walker Assistive Devices: A Novel Approach Based on Load Cells and Optical Distance Measurements

  • Vítor Viegas,
  • J. M. Dias Pereira,
  • Octavian Postolache and
  • Pedro Silva Girão

10 February 2018

This paper presents a measurement system intended to monitor the usage of walker assistive devices. The goal is to guide the user in the correct use of the device in order to prevent risky situations and maximize comfort. Two risk indicators are defi...

(This article belongs to the Special Issue Force and Pressure Based Sensing Medical Application)
  • Article
  • Open Access
48 Citations
9,354 Views
19 Pages

Electrically Compact SRR-Loaded Metamaterial Inspired Quad Band Antenna for Bluetooth/WiFi/WLAN/WiMAX System

  • Md. Mehedi Hasan,
  • Maskia Rahman,
  • Mohammad Rashed Iqbal Faruque,
  • Mohammad Tariqul Islam and
  • Mayeen Uddin Khandaker

In this paper, we reveal a concept of low-profile Split Ring Resonator loaded metamaterial inspired antenna for Bluetooth/WiFi/WLAN/WiMAX communication systems. The antenna’s overall dimensions are 30 × 31 mm2 where two metamaterial unit cells are pl...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
3 Citations
3,789 Views
17 Pages

Functional Design Employing Miniaturized Electronics with Wireless Signal Provision to a Smartphone for a Strain-Based Measuring System for Ski Poles

  • Uwe Hentschel,
  • Philip Johannes Steinbild,
  • Martin Dannemann,
  • Andree Schwaar and ,
  • Niels Modler and
  • Axel Schürer
  • + 1 author+ 0 author

The individual monitoring of cross-country skiers’ technique-related parameters is crucial to identifying possible athlete-individual deficits that need to be corrected in order to optimize the athlete’s performance in competition. To be able to reco...

  • Article
  • Open Access
3 Citations
3,236 Views
14 Pages

Bluetooth Low Energy Beacon Powered by the Temperature Difference

  • Patryk Pyt,
  • Piotr Jankowski-Mihułowicz and
  • Mariusz Węglarski

Bluetooth low energy beacons are active transmitters that send a radio signal at set intervals. Most beacons are powered by small batteries. The problem with systems based on such devices is the need to periodically replace the chemical cells. This i...

(This article belongs to the Special Issue Smart Antenna Optimization Techniques for Wireless Applications)
  • Article
  • Open Access
10 Citations
7,765 Views
33 Pages

Energy Autonomous Wireless Sensing Node Working at 5 Lux from a 4 cm2 Solar Cell

  • Marcel Louis Meli,
  • Sebastien Favre,
  • Benjamin Maij,
  • Stefan Stajic and ,
  • Manuel Boebel,
  • Philip John Poole,
  • Martin Schellenberg and
  • Charalampos S. Kouzinopoulos
  • + 3 authors+ 0 author

Harvesting energy for IoT nodes in places that are permanently poorly lit is important, as many such places exist in buildings and other locations. The need for energy-autonomous devices working in such environments has so far received little attenti...

(This article belongs to the Special Issue Energy-Harvesting and Self-Powered Devices)
  • Article
  • Open Access
3 Citations
3,609 Views
21 Pages

24 September 2025

This paper introduces a new quadruped spider robot platform specializing in environmental reconnaissance and mapping. The robot measures 180 mm × 180 mm × 95 mm and weighs 385 g, including the battery, providing a compact yet capable plat...

(This article belongs to the Section Robotics and Autonomous Systems)