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Abstract
A smart luminaire able to change the direction of its light beam is installed in an office environment and compared to the available LEDs fixtures. Standard lighting measures are performed and a controlled user experiment is conducted, involving 22 subjects. Qualitative results suggest that very low illuminance levels can be characterized as comfortable. Quantitative results supported by statistical significance reveal (1) wider use range of illuminance levels for the smart luminaires, (2) an interaction decrease during the experiment and (3) different usage of the luminaire depending on the subject’s side. Advantages and drawbacks of digitally actuated luminaires are briefly discussed.
Highlights
The advent of the Internet of Things (IoT) has greatly facilitated the ability to digitally control everyday objects
If much research has been done on the usage of SmartHome devices, such as appropriation through DIY [2] or smart home data display [3], how these objects are used in their intended environment and whether they truly bring added value in terms of comfort or energy savings often remains unclear
Smart luminaire characterization The distribution of measured lux values are presented in Figure 7 for the smart luminaire, and Figure 8 for the standard LEDs
Summary
The advent of the Internet of Things (IoT) has greatly facilitated the ability to digitally control everyday objects. Numerous mundane artifacts are today digitally enhanced to offer additional capabilities such as allowing natural voice control or retrieving Internet data. Among these objects, and prior historically to IoT, the concept of SmartHome encompasses the ones such objects that address the home context [1]. Interface design shortcomings may lead users to disregard the added functionality or even induce their rejection: in the context of lighting, presence sensors in conjunction with simplistic control algorithms have a record of being overridden [4]
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