Publication

A low-cost inductive proximity sensor for industrial applications

Radivoje Popovic, Pavel Kejik
2002
Conference Papers

Abstract

The paper presents an inductive proximity sensor with fully integrated electronics. The sensor with the compact hybrid configuration is composed of a sensing flat coil and an integrated electronic interface. The sensor exhibits a longitudinal resolution of 120 nm for an aluminum target position up to 500 µm from the sensing coil. The total working range is from 100 µm to 1200 µm. The temperature drift of the sensor is less than 400 ppm/°C. The sensor power consumption is 125 mW and the active sensor dimensions are 1.5mm x 1.5mm x 1.2mm.

Official source

https://infoscience.epfl.ch/entities/publication/b4c9e7fe-e6dd-4bda-a045-85f7f0e4964f

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Radivoje Popovic, Pavel Kejik
2002
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b4c9e7fe-e6dd-4bda-a045-85f7f0e4964f

About this result

Related concepts (26)

Integrated circuit

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, usually silicon. Large numbers of miniaturized transistors and other electronic components are integrated together on the chip. This results in circuits that are orders of magnitude smaller, faster, and less expensive than those constructed of discrete components, allowing a large transistor count.

Image sensor

An image sensor or imager is a sensor that detects and conveys information used to form an . It does so by converting the variable attenuation of light waves (as they pass through or reflect off objects) into signals, small bursts of current that convey the information. The waves can be light or other electromagnetic radiation. Image sensors are used in electronic imaging devices of both analog and digital types, which include digital cameras, camera modules, camera phones, optical mouse devices, medical imaging equipment, night vision equipment such as thermal imaging devices, radar, sonar, and others.

Wireless sensor network

Wireless sensor networks (WSNs) refer to networks of spatially dispersed and dedicated sensors that monitor and record the physical conditions of the environment and forward the collected data to a central location. WSNs can measure environmental conditions such as temperature, sound, pollution levels, humidity and wind. These are similar to wireless ad hoc networks in the sense that they rely on wireless connectivity and spontaneous formation of networks so that sensor data can be transported wirelessly.

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A low-cost inductive proximity sensor for industrial applications

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