Abstract
Smart phones and sensor technology represent a key part of everyday life and are being used in areas such as safety, training, healthcare and others. Utilizing an array of internal sensors and a metal detector requires an evaluation of the precision of the measurements and performance reviews. Metal detectors are versatile, with uses in healthcare as well as recreational, but a common issue often seen in the proprietary equipment is bad presentation of data. Usually the user interface is just numbers on a display, simplified graphs or sounds. By combining smartphone sensors with a metal detector and a custom mount we model a mapping between the virtual and physical model, a digital twin. In this paper we are utilizing the computing capabilities of a smartphone and employing visualization techniques not possible by partial information. In addition, we present an improved graphical user interface without any proprietary accessories. For this purpose, preliminary case studies are included as a part of a prototype in development.
Highlights
What we see in the recent years is an increased usage of sensors and sensor technology in all parts of life
Searching for foreign metallic objects for Ingestion in pediatric emergency [7] and in advanced robotics using Bluetooth to control a metal detector robot [8] .The most common device is the smart phone, with many applications utilizing the different built in sensors, some of which are used for exercising, gaming, etc
The sound emitted from the metal detector is recorded on the smart phone and analyzed by performing frequency analysis
Summary
What we see in the recent years is an increased usage of sensors and sensor technology in all parts of life. Searching for foreign metallic objects for Ingestion in pediatric emergency [7] and in advanced robotics using Bluetooth to control a metal detector robot [8] .The most common device is the smart phone, with many applications utilizing the different built in sensors, some of which are used for exercising, gaming, etc. Another application area is to use external devices connected to the smart phone. By expanding the magnetic information collected by a search coil, with geometry from sensor information such as compass, gyro and accelerometer, we can generate informative plots that provide insight not gained from search coil sounds and classification alone
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