Energy Efficient LED Lighting Research Articles

Enhancing Leafy Greens’ Production: Nutrient Film Technique Systems and Automation in Container-Based Vertical Farming

Urban agriculture has emerged as a crucial strategy to address food security and sustainability challenges, particularly in densely populated areas. This study focused on enhancing leafy greens’ production, specifically lettuce (Lactuca sativa L.) and arugula or rocket (Eruca sativa L.), using Nutrient Film Technique (NFT) systems and automation in container-based vertical farming. The study utilized a 20-foot shipping container retrofitted to create a thermally insulated and automated growth environment equipped with energy-efficient LED lighting and precise climate control systems. The results demonstrated significant improvements in crop yields, with the NFT systems achieving productivity up to 11 times higher than traditional methods in protected horticulture. These systems enabled continuous cultivation cycles, responding to the high market demand for fresh local produce. Moreover, the integration of low-cost sensors and automation technologies, each costing under USD 300, ensured that the environmental conditions were consistently optimal, highlighting this approach’s economic feasibility and scalability. This low-cost framework aligns with industry standards for affordable technology, making it accessible for small- to medium-sized urban agriculture enterprises. This study underscores the potential of vertical farming as a sustainable solution for urban food production. It provides a model that can be replicated and scaled to meet the growing demand for healthy, locally grown vegetables.

The Use of Photovoltaic Cell Systemin Lighting theParking Lots in AL-ZahraCo-operative Society

This research explores the implementation of photovoltaic (PV) cells in the purpose of lightingparking lots within Al-Zahraa co-op’spremises,the aim of this project wasto reduce the environmental impact of carbon emission and to enhance energy sustainability. Traditional lighting methods often rely on fossil fuel-based electricity, contributing to carbon emissions and escalating operational costs. Leveraging PV technology offers a renewable alternative by harnessing solar energy to power lighting fixtures efficiently. Through strategic placement of PV panels and integration with energy-efficient LED lighting, the Al-Zahraa Association can achieve reliable illumination while minimizing energy consumption. Battery storage systems ensure uninterrupted lighting during periods of low sunlight or high demand. This initiative showcases a commitment to environmental stewardship, reducing carbon emissions, and inspiring sustainable practices within the community.

Zigbee Based Energy Efficient LED Lighting System

In recent years high brightness LED lamps are opening up new opportunities of cost and energy saving towards variety of lighting applications. However they also require LED driver and control circuit compare to gas filled lamps when operating at input AC mains. Thus an efficient driving circuit is essential for its optimal performance. In this paper a remote monitoring and controlling system based wireless sensor network is implemented for LED lighting according to the user’s state, which basically controls illumination intensity of a lighting device according to object movement and brightness of surrounding. Then this system can extend communication capability to the existing street lighting system through the ZigBee and this idea will be very useful for subway, industries and household application to effectively reduce the power consumption.

Использование энергосберегающих технологий в сельскохозяйственном производстве

Issues of energy saving in the organization of lighting in poultry industry.
 Researched the features and role of the light on the process of growing poultry,
 in particular broilers. Analyzed of the traditional lighting systems in the poultry
 industry, and energy-efficient LED lighting, their strengths, weaknesses and
 the specific application.

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Visible light communications: the road to standardization and commercialization (Part 1) [Guest Editorial

White illumination LEDs, with their long lifetimes and energy efficiencies at least 10 times greater than incandescent bulbs, are being massively deployed in illumination applications. Visible light communication (VLC) networks modulate white LEDs at high rates to carry information in a way that is imperceptible to humans. Such communication networks solve the spectrum scarcity problem at RF, are inherently immune to RF interference, and are license-free worldwide. In addition, they inherit the energy efficiency of LED technologies. Indeed, current mobile devices already contain a plethora of optical components, which could be simply modified to be VLC receivers. As many of the 14 billion incandescent bulbs in use worldwide are converted to more energy-efficient LED lighting, a unique opportunity exists to augment them with communications and possible other capabilities.

Green Home: Sustainable Energy Management and Home Automation

Abstract While much has been made of sustainable living, green architecture and home design, the vast majority of green home technologies and related environmental innovations have been developed and tested in countries that do not possess the harsh climate found in Qatar. Systems and equipment designed and tested in the UK, for example, would not have been exposed to the heat, humidity and dust commonly found here, and, therefore, their suitability is uncertain. Similarly, there is a data vacuum on the subject of how green home technologies actually do perform in Qatar. Exactly how efficient are some of these technologies and should they be considered as viable alternatives in the support of sustainability planning? The Green Home Automation Project (GHAP) is an environmental research in which data was collected on the electricity and water usage of a faculty member's villa for a one-year period. The same villa was then theoretically analysed for energy savings using green home automation technologies, energy efficient LED lighting and improved HVAC systems. A comparative study was performed between the Old Current System (OCS) and the New Proposed System (NPS). Results of the theoretical comparative study showed significant energy savings when compared to the operation of the test villa. Using the suggested improvements, the NPS used 70% less energy for lighting and 40% less energy for HVAC than the OCS. These savings were calculated and compared for a “typical year” per villa. Phase II of GHAP involved automating the same test villa to determine additional savings that could make the test villa greener. Both the lighting and the air-conditioning was controller via a central controller. Data has been collected over the last six months and indicates a 45% savings in electricity over the previous year. This real world data supports the conclusion that (1) home automation can substantially reduce energy consumption in the State of Qatar and (2) and that further investigations into other green home innovations that can be automated should be undertaken.