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Message From The Editor
A brief overview to start the year
Like the year that has just ended, there are many issues and challenges ahead. We cover various aspects of our industry that touch on your everyday reality, or almost. We'll be talking about codes and standards and best practices because they are the essence of working life. As well, we'll talk about human resources and marketing because many of our readers have businesses and people to manage. Also over the coming months you'll read extensively on new technologies because it's important to stay informed. In this first issue of the year, here is a roundup of articles published on these various topics during the past year. On behalf of our team, I wish you all an excellent and prosperous new year. Good reading!
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- Smart Home Consumer Study Finds Strong Endorsement of Lighting
Consumer sentiment about the smart home is on fire, reports Crimson Hexagon, an AI-powered consumer insights company. Categories like smart lighting are enjoying between 85 and 93% positive sentiment from consumers…
- IES Offers 5-Part Webinar Series
In collaboration with Pacific Northwest National Laboratory, IES is offering a special 5-part webinar series, "Metrics in Motion…"
- NAILD Innovation 2019: Interested in Speaking?
Help shape the agenda for NAILD Innovation 2019, taking place April 15-18 in Reno, Nevada. NAILD is now accepting submissions for new ideas and speakers to present thought-leading and inspiring sessions…
- Military Lighting Market: Global Forecast to 2023
A market study projects the military lighting market will grow from US$484.5 million in 2018 to US$615.2 million by 2023, at a CAGR of 4.89% from 2018 to 2023…
- Speakers Sought for September Street and Area Lighting Conference
Know of a great project in your area, or of someone with a great topic that should be shared with the industry? Submissions for presentation at the 2019 IES Street and Area Lighting Conference, taking place September 22-25 in San Diego, CA, are now being accepted…
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Lighting Controls
Luminaire-Integrated Lighting Controls
By Steve Mesh
A relatively recent trend in the industry is to embed "luminaire-integrated" (embedded) controls into each fixture. This can be done in different ways, with different types of components, and with different types of control systems. The most basic version of luminaire-integrated controls consists of on-board sensors that tell the fixture what to do — without getting into the complexity of a networked lighting control system. While this approach may seem like the most logical choice from the viewpoint of ease of specification and installation, and the lowest cost option, there are limitations that should be considered.
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Lighting Systems
A Business Case for Future-proofing Building Lighting Systems, Part 1
This business case lays out a rationale for future-proofing buildings and provides tools that will enable building owners to think more strategically about how they are looking at their building management systems and make initial investments upfront for long-term benefit. Here in Part 1: four arguments to make in your business case, starting with why do it now.
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LED Technology
Human-Centric Lighting Takes LED Technology to the Next Level
HCL design aims to implement systems using a science-based approach, considering both visual and non-visual effects of light from a physiological and psychological perspective. HCL extends the scope of lighting beyond the traditional architectural design approach, which focuses on aesthetics, visibility and safety, and considers additional lighting attributes in order to improve occupant productivity, health and wellness. With HCL, lights are adjusted for brightness, colour temperature, and/or colour to improve mood and concentration. HCL is being embraced by various industry segments where building occupants often have access to little or no daylight, such as healthcare, commercial real estate and education.
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Case Study: Montreal IoT
Montreal Undertakes One of North America's Largest Smart Lighting Projects
Montreal plans to initially convert more than 132,000 fixtures from HPS to LEDS distributed through 19 boroughs. Among this number, 85,000 streetlights are cobra head and the remaining 47,000 are decorative light. In 2016, 70% of these fixtures reached their end-of-life expectancy and needed to be replaced. Consequently, the city decided to convert the HPS fixtures that it had been using for several years to LED fixtures, which require less energy and have higher life expectancy. Besides this modernization need, the lighting system at the time did not allow remote computerized management. Streetlights were equipped with a simple controller that used a photocell or an astronomical clock to turn them on or off.
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LED Technology
The Lumen Maintenance Gap
Test results of lumen maintenance in conventional and LED light sources differ considerably. This is known as the lumen maintenance gap. These tests are performed to determine the useful life of a light source. But how do we compare lighting technologies satisfactorily if test results of a same designation do not mean the same thing? These lumen maintenance measurement distinctions are those we will examine in this article, as a clear understanding of this gap will have a significant impact on the installation, maintenance and replacement cost calculations of lighting products.
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Looking Back: Lighthouses
Safe at Sea — The History of Lighthouses
Dotted along rugged coastlines and harbor entrances around the world, lighthouses have long prevented disasters and saved lives at sea. They have also captured our imagination. Often seen as an archetypal public good — lighthouses provide "free" light to ships — light has in fact long been used to ensure safety at sea. The iconic structures as we know them today first appeared in the 18th century.
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Codes & Standards: Li-Fi
IEEE Task Force Works on Standard for Light Communications
By Kathy Pretz
Soon enough, experts say, we'll be getting secure, high-speed Internet access from our LED bulbs: in desk lamps, ceiling fixtures, streetlights, and vehicle taillights. The light-communications systems, relying on nanometer waves in the infrared and visible-light portions of the electromagnetic spectrum, are expected to transmit data generated by a microchip fitted into each LED bulb. Li-Fi technology needs no licensing, as it uses the unregulated light spectrum. However, a few issues must be resolved.
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Science
Dynamic Lighting Enhances Health and Wellbeing
At the end of 2017, the Nobel Prize for medicine went to three American researchers: Jeffrey C. Hall, Michael Rosbash and Michael W. Young. By isolating and investigating the "period" gene of the fruit fly, they were able to prove the existence of the "inner clock," which controls the circadian rhythm of humans, animals and plants. The lighting industry, architects and planners are interested in this too, and are developing lighting solutions and concepts for a wide range of applications.
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New Products and Solutions
Lightheaded Lighting's Contortionist Downlights Now at 2300 Lumens
Only Contortionist lets you bend light to your will, says Lightheaded Lighting. Contortionist, the company's series of adjustable architectural recessed downlights, is now available in high-lumen packages up to 2300 lumens. These dual axis downlights can tilt 40° and rotate 360° with zero light cutoff, which means that you can aim even more light precisely where you need it.
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Eureka Introduces Contemporary Interior LED Pendant
Eureka's Verner pendant combines high light output with a geometric aesthetic to enhance interior spaces while providing useable light. With no visible hardware, the pendant is intended for use in high ceiling applications, open areas, or spaces where diminished focus on the ceiling is the aim. Available in 3000K, 3500K or 4000K, Verner can be cable or stem mounted. The exterior finish can be black or white as standard.
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Lumenpulse Expands Inground Offering with New Lumenbeam
Lumenpulse's Lumenbeam Inground is a round-aperture luminaire designed to simplify ground-recessed lighting applications while providing versatility and unmatched performance. The Lumenbeam Inground is also made to last with its sealed, corrosion-resistant optical chamber, structural blockout, a 5000 kg drive-over rating with IEC60598-13 compliance, IK10-rated glass lens, IP68-rated optical chamber, plug-and-play connectors and power and control box, as well as an optional harsh environment housing.
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In The Next Issue
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