Measuring, Logging, and Visualizing Pulsed Electromagnetic Fields Combined with GPS Location Information

Isrie, Shiwam; Moonen, Niek; Schipper, Hans; Bergsma, Hans; Lefcrink, Frank

doi:10.1109/emceurope.2018.8485116

Cited by 5 publications

(2 citation statements)

References 5 publications

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“…In the same year, Isrie et al. [10] demonstrated a data acquisition system that displays readings from a situated power sensor using the current GPS location in a heads up display. Their approach allows users to move along great distances and still have access to the data.…”

Section: Related Workmentioning

confidence: 99%

Augmented situated visualization methods towards electromagnetic compatibility testing

Guarese

Andreasson

Nilsson

et al. 2021

Computers & Graphics

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Highlights Development and user assessment of an Augmented Situated Visualization of EMC data. Significant effect of the interaction methods on the time taken for data extraction. Significant effect of the interaction methods used on walking steps. Significant effect of the interaction and visualization methods on task correctness. Results suggest that specific techniques may be used depending on the task requisites.

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Section: Related Workmentioning

confidence: 99%

Augmented situated visualization methods towards electromagnetic compatibility testing

Guarese

Andreasson

Nilsson

et al. 2021

Computers & Graphics

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show abstract

“…All home appliances must meet the basic criteria for electromagnetic compatibility (EMC) regulations. In-site measurements are extremely difficult and risky, particularly for big stationary equipment, because these items cannot be turned off to place the measuring instruments [1]. In that situation, the fundamental testing for the appliances must be completed prior to their release to the market.…”

Section: Introductionmentioning

confidence: 99%

Assessment of EMI and Power Quality in Mains Power Distribution Using a Low-Cost Breakout Box for EMC Education

Feloups

Moonen

Leferink

2022

2022 International Symposium on Electromagnetic Compatibility – EMC Europe

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Ensuring measuring safety during electromagnetic compatibility (EMC) and power quality (PQ) measurements is crucial, especially when students are involved. To enable utilization of low-cost digitizers, a measurement breakout box was designed to measure the mains voltage via a 1:1000 resistive divider, and via a high pass filtered output (from 2 kHz to 1 MHz). Also, a current measuring Hall-Element was added to reduce the cost of performing electromagnetic interference (EMI) and PQ measurements. This paper describes measurements that students can do in the laboratory using simple, low-cost, and safe measurement devices. As an assignment, students can for instance calculate total harmonic distortion (THD), apparent, reactive, and real powers. Additionally, using Fourier, the EMI present in the mains voltage can be observed via the high pass filter outputs. The breakout box was designed to enable EMC education by means of experiments and demonstrations at a low cost.

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A systematic evaluation of an RTK-GPS device for wearable augmented reality

De Pace,

Kaufmann

2023

Virtual Reality

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Global Positioning Satellite (GPS) systems sample points on the Earth’s surface with meter accuracy. Real-Time Kinematic (RTK) devices improve GPS performances by providing real-time correction data from ground stations, achieving centimeter accuracy. Reliable tracking approaches are essential for Augmented Reality (AR) applications, especially for outdoor scenarios, which still present unsolved challenges. AR handheld tracking capabilities have been greatly improved by integrating visual tracking approaches with RTK devices, whereas little is known about combining wearable AR interfaces with RTK systems. Although wearable AR devices are intrinsically designed for AR applications, their performance dramatically reduces in large outdoor areas, comprising the user experience. Hence, this paper provides a rigorous evaluation of a small-size RTK device that does not need any additional software integration to collect positional data. The main goal of the assessment is to verify whether its integration with a wearable AR device is advantageous or not. The evaluation has been performed considering both static and dynamic scenarios in open-sky and urban areas. The results show that the RTK device can achieve 1 cm accuracy when used in open-sky areas. In contrast, its accuracy dramatically reduces in the proximity of buildings and obstacles, showing average errors ranging from 76 to 2561%. Since wearable AR devices have an average accuracy of 2 cm, the outcomes indicate that RTK devices should be combined with wearable AR devices only when the RTK device is far from obstacles. On the contrary, the positional data should be completely avoided when barriers surround the RTK device.

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Measuring, Logging, and Visualizing Pulsed Electromagnetic Fields Combined with GPS Location Information

Cited by 5 publications

References 5 publications

Augmented situated visualization methods towards electromagnetic compatibility testing

Augmented situated visualization methods towards electromagnetic compatibility testing

Assessment of EMI and Power Quality in Mains Power Distribution Using a Low-Cost Breakout Box for EMC Education

A systematic evaluation of an RTK-GPS device for wearable augmented reality

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