Lighting Arrangements Research Articles

Neuro-Architecture in Service of the Autism Spectrum: Designing a School Complex Adapted to Autistic Children in Northern Cameroon

This research explores the application of neuro-architecture in the design of a school complex adapted for autistic children in the northern region of Cameroon. The literature review highlights the specific characteristics of autism spectrum disorders (ASD) and the particular sensory needs of children with this condition in an educational setting. It analyzes how architecture, through the management of light, colors, materials, and spatial arrangement, can positively influence the well-being and learning of these children. By integrating the principles of neuro-architecture, the design of optimized school spaces can help reduce sensory overload and improve the social and educational inclusion of autistic children. This review also examines international case studies and potential adaptations to the geographic and cultural context of northern Cameroon, which is characterized by a lack of suitable educational infrastructure. The objective of this research is to propose architectural design solutions that meet the specific needs of autistic children while considering local constraints.

Analisis Kompensasi dan Lingkungan Kerja dalam Meningkatkan Loyalitas di PT. Citra Nusantara Catering

This research aims to analyze the role of compensation and work environment in increasing employee loyalty at PT. Citra Nusantara Catering. Qualitative descriptive methods with triangulation interviews and observation techniques were used to explore compensation conditions, work environment, and employee loyalty levels. The results of the research showed that the compensation provided by the company was below standard, with employee salary data indicating the need for adjustments to achieve higher compensation levels. adequate. The work environment also requires improvement, as indicated by workplace layout data. It is recommended to improve lighting, air circulation and layout arrangements to improve employee welfare and productivity. Employee attendance data is an additional factor that needs to be taken into account when analyzing loyalty levels. Research shows a correlation between compensation conditions, work environment, and employee absenteeism levels. With the results of this research, recommendations for reviewing compensation policies include salary adjustments, increasing incentives, and providing more comprehensive benefits. On the work environment side, improvements to lighting, air circulation and workplace layout are proposed to improve employee welfare and productivity. By implementing these steps, it is hoped that the company can increase employee loyalty, having a positive impact on overall company performance.

Penerapan Bentuk Dinamis Dalam Membangun Suasana Pada Ruang Tunggu RSUD Pandega Pangandaran

The interior design of hospital waiting rooms plays a crucial role in providing comfort and reducing stress for patients and visitors. In a medical environment, the psychological and physical factors of waiting room design can significantly impact the overall user experience. This study aims to explore and implement dynamic design forms in the waiting room of RSUD Pandega Pangandaran to enhance user experience quality. The methodology employed in this research includes field observations to understand the existing conditions, in-depth interviews with users to identify their needs and preferences, and a comprehensive literature review on dynamic interior design, ergonomic principles, and environmental psychology theories. The findings of the study indicate that the use of dynamic forms, combined with soothing color elements, optimal natural and artificial lighting, and ergonomic and flexible furniture arrangements, can significantly improve the comfort and satisfaction of waiting room users. This study emphasizes the importance of a holistic approach in designing hospital waiting rooms that not only focuses on aesthetics but also on functional and psychological aspects to create a more humane environment that supports the healing process

A New Approach to Interior Design: Generating Creative Interior Design Videos of Various Design Styles from Indoor Texture-Free 3D Models

Interior design requires designer creativity and significant workforce investments. Meanwhile, Artificial Intelligence (AI) is crucial for enhancing the creativity and efficiency of interior design. Therefore, this study proposes an innovative method to generate multistyle interior design and videos with AI. First, this study created a new indoor dataset to train an AI that can generate a specified design style. Subsequently, video generation and super-resolution modules are integrated to establish an end-to-end workflow that generates interior design videos from texture-free 3D models. The proposed method utilizes AI to produce diverse interior design videos directly, thus replacing the tedious tasks of texture selection, lighting arrangement, and video rendering in traditional design processes. The research results indicate that the proposed method can effectively provide diverse interior design videos, thereby enriching design presentation and improving design efficiency. Additionally, the proposed workflow is versatile and scalable, thus holding significant reference value for transforming traditional design toward intelligence.

Plants-occurring Anthraquinones as Photosensitive Compounds for Photodynamic Method: A Critical Overview.

The review focuses on the recent knowledge on natural anthraquinones (AQs) of plant origin and their potential for application in an exclusive medicinal curative and palliative method named photodynamic therapy (PDT). Green approach to PDT is associated with photosensitizers (PS) from plants or other natural sources and excitation light in visible spectrum. The investigations of plants are of high research interests due to their unique health supportive properties as herbs and the high percentage availability to obtain compounds with medical value. Up-to-date many naturally occurring compounds with therapeutic properties are known and are still under investigations. Some natural quinones have already been evaluated and clinically approved as anti-tumor agents. Recent scientific interests are beyond their common medical applications but also in directions to their photo-properties as natural PSs. The study presents a systematic searches on the latest knowledge on AQ derivatives that are isolated from the higher plants as photosensitizers for PDT applications. The natural quinones have been recognized with functions of natural dyes since the ancient times. Lately, AQs have been explored due to their biological activity including the photosensitive properties useful for PDT especially towards medical problems with no other alternatives. The existing literature' overview suggests that natural AQs possess characteristics of valuable PSs for PDT. This method is based on an application of a photoactive compound and light arrangement in oxygen media, such that the harmful general cytotoxicity could be avoided. Moreover, the common anticancer and antimicrobial drug resistance has been evaluated with very low occurrence after PDT. Natural AQs have been focused the scientific efforts to further developments because of the high range of natural sources, desirable biocompatibility, low toxicity, minimal side effects and low accident of drug resistance, together with their good photosensitivity and therapeutic capacity. Among the known AQs, only hypericin has been studied in anticancer clinical PDT. Currently, the natural PSs are under intensive research for the future PDT applications for diseases without alternative effective treatments.

In Vitro Antimicrobial Photodynamic Therapy for Pseudomonas aeruginosa (P. aeruginosa) and methicillin-resistant Staphylococcus aureus (MRSA) Inhibition Using a Green Light Source.

Photodynamic therapy (PDT) has been based on using photosensitizers (PS) and applying light of a specific wavelength. When this technique is used for treating infections, it is known as antimicrobial photodynamic therapy (aPDT). Currently, the use of lighting sources for in vitro studies using aPDT is generally applied in multiwell cell culture plates; however, depending on the lighting arrangement, there are usually errors in the application of the technique because the light from a well can affect the neighboring wells or it may be that not all the wells are used in the same experiment. In addition, one must be awarded high irradiance values, which can cause unwanted photothermal problems in the studies. Thus, this manuscript presents an in vitro antimicrobial photodynamic therapy for a Pseudomonas aeruginosa (P. aeruginosa) and methicillin-resistant Staphylococcus aureus (MRSA) inhibition study using an arrangement of thermally isolated and independently illuminated green light source systems for eight tubes in vitro aPDT, determining the effect of the following factors: (i) irradiance level, (ii) exposure time, and (iii) Rose Bengal (RB) concentration (used as a PS), registering the Pseudomonas aeruginosa (P. aeruginosa) and methicillin-resistant Staphylococcus aureus (MRSA) inhibition rates. The results show that in the dark, RB had a poor antimicrobial rate for P. aeruginosa, finding the maximum inhibition (2.7%) at 30 min with an RB concentration of 3 µg/mL. However, by applying light in a correct dosage (time × irradiance) and the adequate RB concentration, the inhibition rate increased by over 37%. In the case of MRSA, there was no significant inhibition with RB in complete darkness and, in contrast, the rate was 100% for those experiments that were irradiated.

Research on Dynamic Monitoring and Optimization of Lighting Environment in Clothing Workshop Based on Visual Comfort

T8 LED tubes with adjustable brightness and color temperature are installed in the workshop for workers to adjust their lighting independently. The illuminance of the workers’ working surface is dynamically monitored for one year, and the collected illuminance data are quantitatively analyzed to explore the suitable illuminance threshold and color temperature preference for workers in real scenes. The illuminance value is divided according to time period and season, which provides reference for the development of intelligent buildings. For the three workflows in the post-finishing workshop, the lighting environment was optimized based on the uniformity of illumination, and the optimal height of the lighting arrangement was determined. The optimal luminaire placement height for the bar tacking machine was found to be 1.28 m, for the auxiliary workbench it was 1.02 m, and for the ironing table it was 1.2 m.

Analysis of Lighting Arrangement in the Film "Buried" (2010) by Director Rodrigo Cortez

This study examines the use of innovative lighting in Rodrigo Cortez's film "Buried," focusing on its impact on narrative storytelling within a single-location setting. The limited lighting arrangement is key to the film's uniqueness, effectively portraying narrative tension and the protagonist's psychological journey in a creative and technical manner. Using a qualitative approach, the research analyzes each shot to identify key lighting transitions and thematic motifs. It dissects the film's visual strategies, particularly how Cortez manipulates light to convey the protagonist's psychological state and the passage of time in a confined space. The study aims to understand the effects of lighting arrangement on the film's visual mood and its implications for contemporary cinematography, as well as the psychological effects of lighting in film on viewers' perception and emotions. It also seeks to enhance the experience of claustrophobia using lighting as a narrative device to complement the tense atmosphere in the film's scenes. The results contribute to a broader discourse on cinematography's role in shaping film narrative structures, especially in creating deep visual narratives without relying on extensive settings or special effects. This analysis provides insights into the effectiveness of minimalist lighting in low-budget film making with high constraints.

Lighting in the Performance "Kapai-Kapai" by Arifin C Noer

This article focuses on lighting using GrandMA2 equipment, the work steps of a lighting designer, and the simulation of lighting arrangement work in the performance "Kapai-Kapai" by Arifin C Noer. This study aims to make lighting designs in theater performances with the script "Kapai-Kapai" by Arifin C Noer. This research is a type of action research that uses a qualitative approach, with library research methods to collect information, theories, and concepts related to lighting in the performing arts, especially theater. Research data sources include books related to performing arts, journal articles, and documents related to the performance "Kapai-Kapai." Meanwhile, data collection was obtained from observation and interviews. Data analysis is carried out qualitatively. Observational and interview data were analyzed to identify patterns, trends, and findings related to the application of lighting in the performance of "Kapai-Kapai." Modern equipment such as color-adjustable LED lights, special effects with projection, and automatic control allow performances to become even more dynamic and creative. Some lighting designers use computer simulations to plan light effects before the show begins. This allows them to test various scenarios and ensure that the lighting matches the artistic vision.

The use of phosphorescence micromaterials for commercial textile products


 
 
 
 Fluorescent textile products are manifold used. Compared to fluorescent textiles, phosphorescent textile products exhibit an afterglow effect even after the illumination is stopped. Phosphorescent textiles are less present as commercial products on the market. With this background the aim of the actual presentation is to investigate the properties of commercially available phosphorescent textile materials. Investigations are performed by illumination under different light arrangement. Microscopy is performed by scanning electronic microscopy (SEM) and advanced light microscopy using UV light. Light emission of the samples is recorded by fluorescence spectroscopy. The chemical composition is determined by using electron dispersive spectroscopy (EDS). Depending on the type of sample, an afterglow effect can be determined up to 5 to 30 minutes after stopping the illumination with UV light. By SEM and EDS methods it is observed that the phosphorescent effects are realized by application of phosphorescent pigments, which can be best described as phosphorescent micromaterials. Depending on the product category, two different types of phosphorescent materials are used – doped strontium aluminates (SrAl2O4) and zinc sulfide (ZnS). Products based on doped strontium aluminates exhibit longer afterglow effects compared to products with ZnS pigments. However, the use of doped strontium aluminate is quite surprising for a commercial textile product, because of cost reasons. Finally, it can be stated that phosphorescent micromaterials are established materials for realization of functional textile products. These micromaterials can be found in every day products and are examples for innovative particle technology used in commercial consumer products.
 
 
 

Importance of lighting color and period for CO2 fixation and C-phycocyanin production during Thermosynechococcus sp. CL-1 growth

Lighting arrangement is a critical factor in cultivation of photosynthetic microorganisms such as a cyanobacterium, Thermosynechococcus sp. CL-1 (TCL-1). This study observed the impact of various light intensities, light colors, and lighting periods on TCL-1 CO2 fixation rate and C-phycocyanin production. TCL-1 growth and CO2 fixation rate were not affected by the light color during continuous illumination. The best CO2 fixation rate of 2.29 ± 0.54 and 2.26 ± 0.14 g-CO2/L/d were achieved under white and red lighting, respectively. However, application of 12/12 h light-dark illumination diminished TCL-1 performance especially under red light and it might be caused by the reduction of accumulated chlorophyll-a. Furthermore, extended studies were also conducted for the efficient C-phycocyanin extraction and purification strategies, along with accumulated cyanotoxins analysis. Purification using ion-exchange chromatography elevated C-phycocyanin purity index to 3.34. Besides, treatment using distilled water and freeze dryer could remove the accumulated cylindrospermopsin and saxitoxin from TCL-1.

Penerapan Teknik Penataan Cahaya pada Produksi Drama Televisi "Analog"

Television drama is often known as sinetron (Indonesian soap opera), since the plot story is short but it conveys message that describe social life or daily life. Television drama requires proper lighting. Inappropriate lighting arrangement could make the information is not conveyed clearly to the audience. The author found that there are several shortcomings in terms of technical lighting in several television dramas such as in the first series of Ada Apa Dengan Cinta, Dua Garis Biru, and Before Sunrise. The shortcomings appeared in those dramas regarding light intensity that was over exposed, ineffective lighting arrangements and others. To overcome this problem, television drama "Analog" applied the three point of light technique as a basic lighting set-up and applies the artificial light technique as artificial light to convey time background information. In implementing this technique the author uses Godox SL200W and GVM 560AS lighting which are equipped with lighting support equipment such as diffuser filters, CTB filters and CTO filters. The application of the three point of light technique and artificial light technique makes the television drama "Analog" have the right lighting quality. As the result, the drama has an artistic impression and background information that can be conveyed clearly to the audience.

Measuring wavelength of laser beam using single slit diffraction: a simple but precise experiment using webcam and ImageJ software

We explore a precise method for determining the wavelength of light using a single-slit diffraction experiment. Normally, within a college level physics lab, an optical bench and a light detector arrangement is used in this experiment and the position of the maxima and minima are manually determined. This method is inaccurate, lengthy, and time consuming. We replace the light-detector by a paper-screen and webcam arrangement to record the image of the diffraction pattern with a computer. Then the recorded images are analysed with a software called ImageJ to determine the span of central maxima which is finally used to determine the wavelength of the incident light.

Application of Compatible Graph and Webster Methods for Traffic Light Arrangement in Jepara

The problem of congestion has become a common problem that is often found on the highways, especially at the crossroads, without exception in Jepara Regency. The Mayong-Jepara Highway intersection is classified as a busy intersection that is full of vehicles during every departure and return hours, which are dominated by factory employees. Congestion often occurs at these intersections even though there are traffic lights that regulate the movement of vehicles. So, This study aims to find the solutions to congestion problems at Mayong-Jepara Highway intersection through compatible graph modeling and optimizing traffic light cycle time using the Webster method. Compatible graphs are used to determine traffic flows that are worked to move simultaneously without causing collisions, and that are used to carry out the graph weighting to determine the number of phases. The variables used in this applied research are the data on the number of vehicles, road width, and traffic light duration that taken directly in the field. Because the traffic density in the morning and afternoon is different for each intersection arm. Thus, the cycle time is determined in 2 sessions namely the morning and the afternoon. From the modeling of the compatible graph that has been weighted, it is obtained that the morning and afternoon sessions have 3 phases as the total which are then used to determine the traffic light cycle time. As a result, the cycle times for the morning session are 98 seconds, and the afternoon session is 155 seconds. The results were then simulated with PTV Vissim software and assessed to be quite effective in dealing with congestion and heavy traffic at the Mayong-Jepara Highway intersection especially in the afternoon session.

Functioning of community sanitary complexes in rural India: Insights into selected states

Abstract An important component of the Swachh Bharat Mission is the construction of community sanitary complexes (CSCs) to address the unmet need for sanitation for households. The success, however, critically hinges on the operational management of CSCs. We examine the functioning status of CSCs in rural areas of five Indian states. Furthermore, we study the association between alternative management arrangements with the functioning and maintenance status of the CSCs. A principal component analysis-based CSC functioning index is created based on the maintenance indicators and sanitary items to identify better-performing CSCs. The mixed-effects logistic regression analysis was applied to examine the association between management arrangement for maintenance and CSC functioning index. Four in every five CSCs were directly managed by the Gram Panchayat. Over 90% of the CSCs have running water supply but electricity connection and lighting arrangement were available in 66.1 and 55.1% CSCs, respectively. The econometric analysis finds that CSCs managed by worship area groups or those managed by village CSC user-groups have better CSC maintenance status. The cleaning frequency of the CSC has a significant association with CSC functioning status. The operational management of CSCs is an area for further policy attention for sustained community sanitation efforts.

Reduction of lighting power consumption through lighting control using the KNX/digital addressable lighting interface protocol in liquefied natural gas carrier accommodation mock-up

Lighting in ships is the main energy consumer in the overall power system and is closely associated with the creation of visual comfort and a safe work environment for the crew. A convergence point between the energy efficiency of ship lighting and a safe work environment for the crew can be achieved in various ways. This study applied the KNX and Digital Addressable Lighting Interface (DALI) systems to a mega-ship. A mock-up identical to an accommodation unit in an actual Liquefied Natural Gas Carrier in construction was developed, where the lighting for ships was installed and the KNX/DALI protocol, and occupancy sensors were applied as the lighting control system. The measurement of the 24 h power consumption with a conventional lighting arrangement design and the KNX/DALI system indicated that the lighting power consumption decreased from 12,935.2 to 2830.3 W h, implying a ≥80% reduction. This lighting solution involves control based on the traffic line of the crew at work, which plays a key role in enhancing the energy efficiency of the ship, promoting a safe work environment and visual comfort for the crew, and maximizing integration with other digital systems of the ship.

PENERAPAN VIRTUAL LIGHTING EFFECT PADA PROGRAM MUSIK “HYPERTUNE”

Virtual lighting effect is an imitation or digital replica of the lighting effect fixture that can be manipulated. In implementing the virtual lighting effect, there are several things that need to be considered, including the basic lighting arrangement, the virtual lighting effect arrangement, the lighting effect movement game and the color selection according to the song being sung. If this is not applied optimally it will result in an untidy compositing process so that it can interfere with the visuals displayed such as a spill effect or there is a white line on the object. The purpose of this creation is to apply a virtual lighting effect to a 10-minute "hypertune" music program containing 2 songs. This study uses a qualitative descriptive method, the research process goes through three stages, namely pre-production, production and post-production. The method used in the application of the lighting effect is the compositing method by applying the three point of light technique, the position virtual lighting effect technique, and the color selection of the lighting effect. The result of the creation of this work is the three point of light technique is applied with basic lighting arrangements to simplify the cromakey process which results in objects looking dimensional. the position virtual lighting effect technique produces precise lighting effect positions and can create a combination of dynamic lighting effect movements. The lighting effect color selection technique succeeded in building the mood of the song being sung and adding a visual interest to the image Keywords : three point of light, Virtual lighting effect, Compositing

The Recovery of Still Life: On a Gesture in Paul Fry’s Poetic Criticism

Reading Paul Fry and reading with Paul Fry involves responding to an invitation to see and to think about seeing. Proceeding from Wordsworth and the Poetry of What We Are (2008), this essay follows Fry as docent who guides the reader through a gallery of passages in Wordsworth to perceive the layeredness of visual genres informing Wordsworth’s compositions. In his engagement with Wordsworth’s pictorial imaginary and compositional logic, Fry strikingly repeats a gesture of critical ekphrasis that may be termed the “recovery of still life.” He brings to light arrangements of things human and inhuman and shows how they serve both to condition and uncondition the representational claims of history, landscape, and genre painting. While focusing on Fry’s Wordsworth criticism, I situate the recovery of still life within the wider context of his development of a poetics of ostension in A Defense of Poetry: Reflections on the Occasion of Writing (1995) and other essays on Romantic and post-Romantic poetry and poetics. I aim to spell out how Fry’s recovery of still life is a distinctive part of his phenomenological approach to poetry and signature aspect of his gift of gentle illumination.

Commercial Lighting Design in Human-Centered Lighting Concept

In this study, the lighting design of a building in the Organized Industrial Zone, which was converted from a warehouse to a commercial kitchen, was designed according to the Human-Centered Lighting concept. Point lighting calculations were made for commercial kitchen environments with artificial lighting. In order to reduce the negative effects of lighting on human health, lighting that will not disrupt the circadian rhythm should be provided. By using direct lighting, without changing the architectural design, it has been tried to provide optimum lighting suitable for human biology with low-cost artificial lighting arrangements. According to WELL standards, an average of at least 500 lux conditions should be provided in the relevant work area on counters and other food preparation or production areas in Commercial Kitchen Lighting. This area, which was designed as a warehouse for this purpose, was designed as a commercial kitchen in terms of lighting. As a result of the design, a lighting design was made in accordance with the WELL standards according to the Human-Centered Lighting concept. In this way, the visual comfort of the working personnel is improved and optimum circadian effects are provided.

Density Based Traffic Light Control Using IR Sensors and Arduino

Abstract: In now day’s traffic congestion consider as a serious issue in all over the world and for the public it become a daily life challenge because they have to face a problem of traffic congestion in their daily life at the time of travelling. In ordinary arrangement traffic problem is solved by traffic police or by the use of automatic traffic light but this arrangements are static and having a fixed time allocation at every side of junction and because of this arrangement they are not capable to perform according to need. And at traffic junction now days we need a dynamic arrangement of traffic lights at the place of static so it can be quickly resolve the problem of traffic if any emergency vehicle is waiting in the queue or as per the need. In this paper we introduced the concept of density based traffic light arrangement which change the colour of traffic light according to density of traffic which is present at a particular side of traffic junction. To know the density of traffic we have to use sensors and IOT technology. In this paper the proposed model is design using IR Sensors and Arduino. IR sensors are used as sensors to detect the density of traffic and Arduino is used as microcontroller. At traffic junction IR sensors are fitted at every side of the junction and sense the number of passing vehicle to each side of junction and interfaced to the arduino. After receiving the input from sensors we know the density of traffic at each side of junction change the traffic light as per the need. So, in this paper we are going to discuss about the density based arrangement of traffic light and the limitation related to it and throw some light related to future work.