Potentials of radar sensor detecting the presence of an imitated user for optimising short-range presence-sensing lighting in homes - Université de Reims Champagne-Ardenne Access content directly
Conference Papers Year : 2023

Potentials of radar sensor detecting the presence of an imitated user for optimising short-range presence-sensing lighting in homes

Abstract

Abstract Current presence-sensing technologies for energy-efficient lighting control and building optimisation are (i) catered to commercial and institutional environments, and (ii) focused on lamp technology and occupancy detection. They often ignore user behaviour characteristics, which significantly influence energy consumption. Therefore, this study aims to identify alternative sensing techniques as part of a lighting control system that can energy-efficiently support user’s behavioural needs in mixed-function residential spaces. An exploratory study investigated the optimal placement of a non-wearable radar sensor to detect an imitated user’s breathing frequency at varying pre-set horizontal distance positions, and the sensor’s performance was validated with a spirometer. The procedure measured a balloon’s radar-detected distance, radar-detected breathing frequency, and spirometer-registered breathing frequency at each pre-set position. The radar sensor detected all simulated breathing frequencies with almost 100% data accuracy but was not comparable in detecting all distances. The radar offers a less intrusive short-range presence-sensing for homes, accurately detecting breathing frequencies in a contactless way between 0.2m to 0.8m. Further investigations are recommended to develop radar sensing that could predict lighting options based on user’s objective feedback.
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Dates and versions

hal-04492745 , version 1 (06-03-2024)

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Ratnakala Sithravel, Jérôme Landré, Anita Hurtig-Wennlöf, Myriam Aries. Potentials of radar sensor detecting the presence of an imitated user for optimising short-range presence-sensing lighting in homes. CISBAT 2023, École Polytechnique de Lausanne, Sep 2023, Lausanne, Switzerland. pp.132010, ⟨10.1088/1742-6596/2600/13/132010⟩. ⟨hal-04492745⟩

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