An accurate visible light positioning system using regenerated fingerprint database based on calibrated propagation model

F Alam, MT Chew, T Wenge… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper reports the development of a practical visible light positioning (VLP) system using
received signal strength. The indoor localization system is accurate and easy to train and …

A hierarchical smart street lighting system with brute-force energy optimization

M Mahoor, FR Salmasi, TA Najafabadi - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
This paper presents a novel smart street lighting (SmSL) system in which energy
consumption by a group of street lighting poles is minimized based on Brute-Force search …

Harvesting daylight with LED or T5 fluorescent lamps? The role of dimming

LT Doulos, A Tsangrassoulis, PA Kontaxis… - Energy and …, 2017 - Elsevier
While the efficiency of the Lighting Emitting Diodes (LED) is increasing and new installations
are being implemented, their control due to the adoption of daylight harvesting systems …

New framework of sustainable indicators for outdoor LED (light emitting diodes) lighting and SSL (solid state lighting)

AK Jägerbrand - Sustainability, 2015 - mdpi.com
Light emitting diodes (LEDs) and SSL (solid state lighting) are relatively new light sources,
but are already widely applied for outdoor lighting. Despite this, there is little available …

[HTML][HTML] Trade-offs with longer lifetimes? The case of LED lamps considering product development and energy contexts

JL Richter, L Tähkämö, C Dalhammar - Journal of cleaner production, 2019 - Elsevier
Longer product lifetimes are promoted by the EU's Circular Economy Action Plan, but
incentivising longer lifetimes could also result in trade-offs between different environmental …

LED (Light-emitting diode) road lighting in practice: An evaluation of compliance with regulations and improvements for further energy savings

AK Jägerbrand - Energies, 2016 - mdpi.com
Light-emitting diode (LED) road lighting has been widely implemented in recent years, but
few studies have evaluated its performance after installation. This study investigated …

The features of Anglican churches in Malaysia and their maintenance practices

WF Ow, SJL Chua, AS Ali - Journal of Facilities Management, 2023 - emerald.com
Purpose This paper aims to explore the history of Anglican churches in Malaysia and
discusses their typical features and their respective maintenance practices …

Validation of spectral simulation tools for the prediction of indoor electric light exposure

C Pierson, M Gkaintatzi-Masouti, M Aarts… - Proceedings of the …, 2021 - infoscience.epfl.ch
As the interest in design applications related to responses to light beyond vision is growing,
two simulation tools, ALFA and Lark, have been developed to incorporate spectral …

Life cycle assessment of lighting systems and light loss factor: A case study for indoor workplaces in France

K Bertin, L Canale, O Ben Abdellah, MA Méquignon… - Electronics, 2019 - mdpi.com
Life cycle assessment (LCA) methodology has been used to evaluate the performance of the
following lighting systems: compact fluorescent lamps (CFL), light-emitting diode (LED) …

Led luminaires: Many chips—Many photometric and lighting simulation issues to solve

K Skarżyński, W Żagan, K Krajewski - Energies, 2021 - mdpi.com
Currently, built LED luminaires are usually multi-source. This causes a large number of
photometric and simulation problems connected with computer lighting visualization. This …