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Sensors, Volume 25, Issue 6

March-2 2025 - 316 articles

Cover Story: In response to the accurate positioning issues related to high-speed moving lens groups in rapid zoom optical lenses with voice coil motors (VCMs), we demonstrate a positioning system design based on tunnel magnetoresistance sensors. Based on analytical computation, the optimal air gap between the sensor and the magnetic grating is determined. We quantify the magnetic interference of the VCM using three-dimensional flux leakage mapping, deriving an optimal sensor position. Position error caused by interference remains below 5 μm with maximum deviations at the trajectory endpoints of the moving group. Our study provides a comprehensive framework for the design and optimization of magnetic positioning systems in optical applications with electromagnetic motors. View this paper
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Articles (316)

  • Article
  • Open Access
5 Citations
1,266 Views
30 Pages

20 March 2025

Failure monitoring of industrial systems is imperative in order to ensure their reliability and competitiveness. This paper presents an innovative hybrid modelling approach applied to DC electric motors, specifically the Kollmorgen AKM42 servomotor....

  • Article
  • Open Access
2 Citations
1,526 Views
21 Pages

20 March 2025

Global navigation satellite systems are the best means of navigation for dynamic platforms. However, interference, line-of-sight blockages, and multipath are destructive to receiver operations. Advanced receiver architectures like vector tracking loo...

  • Article
  • Open Access
2 Citations
1,851 Views
17 Pages

20 March 2025

To improve the accuracy and robustness of bearing remaining useful life (RUL) prediction, this paper proposes a bearing RUL prediction method based on PELT state segmentation and time–frequency analysis, incorporating the Informer model for tim...

  • Article
  • Open Access
1 Citations
1,051 Views
25 Pages

20 March 2025

To predict the variation in the displacement position of hydraulic cylinder piston rods, a neural network model is proposed to enhance the displacement control accuracy of hydraulic cylinders. The innovation of this paper is that by calculating the c...

  • Article
  • Open Access
849 Views
18 Pages

Simulation and Modelling of C+L+S Multiband Optical Transmission for the OCATA Time Domain Digital Twin

  • Prasunika Khare,
  • Nelson Costa,
  • Marc Ruiz,
  • Antonio Napoli,
  • Jaume Comellas,
  • Joao Pedro and
  • Luis Velasco

20 March 2025

C+L+S multiband (MB) optical transmission has the potential to increase the capacity of optical transport networks, and thus, it is a possible solution to cope with the traffic increase expected in the years to come. However, the introduction of MB o...

  • Article
  • Open Access
2 Citations
2,730 Views
10 Pages

20 March 2025

With the development of chip technology, the demand for device reliability in various electronic chip industries continues to grow. In recent years, with the advancement of quantum sensors, the solid-state spin (nitrogen-vacancy) NV center temperatur...

  • Article
  • Open Access
1 Citations
710 Views
18 Pages

Research on Yield Prediction Model Driven by Mechanism and Data Fusion

  • Xin Meng,
  • Xingyu Liu,
  • Hancong Duan,
  • Ze Hu and
  • Min Wang

20 March 2025

Existing production forecasting methods often suffer from limited predictive accuracy due to their reliance on single-source data and the insufficient incorporation of physical principles. To address these challenges, this study proposes a mechanism&...

  • Article
  • Open Access
2 Citations
1,610 Views
16 Pages

Combining 24-Hour Continuous Monitoring of Time-Locked Heart Rate, Physical Activity and Gait in Older Adults: Preliminary Findings

  • Eitan E. Asher,
  • Eran Gazit,
  • Nasim Montazeri,
  • Elisa Mejía-Mejía,
  • Rachel Godfrey,
  • David A. Bennett,
  • Veronique G. VanderHorst,
  • Aron S. Buchman,
  • Andrew S. P. Lim and
  • Jeffrey M. Hausdorff

20 March 2025

Hemodynamic homeostasis is essential for adapting the heart rate (HR) to postural and physiological changes during daily activities. Traditional HR monitoring, such as 24 hour (h) Holter monitoring, provides important information on homeostasis durin...

  • Article
  • Open Access
3,529 Views
20 Pages

20 March 2025

In industrial polishing, the sensor on the polishing motor needs to extract accurate signals in real time. Due to the insufficient real-time performance of Variational Mode Decomposition (VMD) for signal extraction, some studies have proposed the Rec...

  • Article
  • Open Access
1,062 Views
23 Pages

20 March 2025

UAVs and reconfigurable intelligent surfaces (RISs) have emerged as promising solutions to enhance communication coverage and performance. However, existing studies primarily focus on optimizing the amplitude and phase shift of a STAR-RIS without con...

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Sensors - ISSN 1424-8220