Abstract:A method for identifying manhole cover diseases based on multi-scale feature fusion and attention mechanism is proposed to address the issues of damage,settlement,and displacement of urban lighting manhole covers.This method constructs a multi-level feature perception and fusion system through three key technological innovations:Design a hybrid sliding Transformer module in the feature extraction stage to enhance feature perception in complex backgrounds;Build a generalized feature pyramid network to enhance the representation ability of multi-scale features through cross layer and cross scale connections;Design a dynamic detection head to achieve multi-dimensional attention regulation.At the same time,a well cover image dataset with wide coverage was constructed,and the effective ness and generalization ability of the proposed method were verified by comparing it with other methods in multiple scenarios.

Abstract:Addressing the inapplicability of existing lighting systems and the challenge of multi-objective optimization and balance,a solution for an AI-based smart lighting control system is proposed against the backdrop of achieving the"dual carbon"goals and smart buildings.The four-layer cyclic control model,encompassing"perception-decision-execution-feedback",utilizes algorithms such as deep reinforcement learning for multi-objective optimization and balance design.Through experiments conducted under three different working conditions,this paper demonstrates that the system's energy consumption per unit area is reduced by 29％-41％compared to traditional PID control,with a dynamic response lag time of 1.5-3.2 seconds and a user satisfaction rate of over 88％.Its performance surpasses that of traditional control systems and holds promising application prospects.

Abstract:With the development of smart home technology,speech recognition has become an important human-computer interaction method.To improve the accuracy of speech recognition in noisy environments,this paper designs a voice lighting control system based on Raspberry Pi.The system collects audio signals through a speech recognition module,combines MFCC(Mel Frequency Cepstral Coefficient)feature extraction technology to analyze instructions,and controls relays to achieve intelligent switch combination of lighting.In addition,the system can serve as a practical case for embedded system courses,helping students to deepen their understanding of key technologies such as voice command processing,communication protocols,noise suppression algorithms,and system integration,cultivating their scientific literacy,innovative thinking,and environmental awareness,while stimulating their interest in exploring the field of smart homes.

Abstract:The handling of raw materials and the sintering process in steel production generate a large amount of dust.Its high concentration and fine nature not only affect on-site visibility but also lead to energy consumption.Traditional lighting systems are prone to reduced luminous efficiency and poor heat dissipation in high-dust environments,requiring sintering plants to continuously optimize the protection and performance of their lighting systems to create a better working environment.This article explains the impact of high-dust environments on lighting in sintering plants and proposes practical strategies for protecting lighting systems and improving luminous efficiency.

Abstract:Urban road lighting is a necessary public service facility for vehicle drivers and pedestrians to provide safe and efficient traffic and visual inspection,which plays an important role in ensuring traffic safety,improving transportation efficiency,facilitating residents'lives and maintaining urban order.With the development of information technology,big data has shown unique advantages in processing massive,multi-source,and dynamic change information,providing new technical means for fine perception of lighting needs and dynamic optimization of control.By analyzing factors such as traffic flow,ambient light,and equipment status,intelligent lighting systems can achieve on-demand,zoning,and time-sharing accurate light supply.Therefore,this paper discusses how to effectively use big data to intelligently use existing urban road lighting to meet the needs of safe,energy-saving and intelligent modern urban construction.

Abstract:This paper explores the construction technology of the intelligent control system for highway tunnel lighting.In the process of laying the low-voltage lines,we adopted pipelines and trays to prevent the interference between strong and weak voltage lines and implemented grounding measures and lightning protection.We have a detailed analysis of the construction process of the low-lines to promote the development of the intelligent control system for highway tunnel lighting.

Abstract:To enhance the design quality of children's desk lamps in terms of health,safety,and human-device compatibility,this study aims to systematically identify the core design needs of"Generation Alpha"users.First,a design demand evaluation framework was developed through literature review,296 valid questionnaires,and semi-structured interviews,resulting in four primary criteria and sixteen sub-criteria.Then,the Analytic Hierarchy Process(AHP)was applied,engaging 10 groups of child user families and 10 experts from relevant fields to evaluate indicator weights and determine the relative importance of each criterion.Blue light protection,engaging form,brightness adjustment,and intuitive operation were identified as top-priority design needs.The proposed evaluation system and methodological approach provide a theoretical foundation and empirical support for the innovative and user-centered design of children's desk lamps.

Abstract:To address the energy efficiency losses caused by multi-stage"DC-AC-DC"conversion in traditional photovoltaic(PV)power generation and LED lighting systems,this paper proposes an energy efficiency optimization strategy for coordinated operation based on DC characteristics.Firstly,a PV-LED DC microgrid architecture is constructed to analyze the energy-saving potential of reducing conversion stages.Secondly,a direct drive strategy based on source-load impedance matching and a source-load linkage control mechanism based on DC Bus Signaling(DBS)are proposed to achieve millisecond-level power balance and flexible consumption under PV fluctuations.Finally,a hierarchical control architecture incorporating intelligent sensing and edge computing,along with a cross-domain interface standardization scheme,is designed.The results indicate that this strategy effectively eliminates redundant AC/DC conversion links,resolves the spatiotemporal mismatch between source and load,and significantly enhances the overall energy utilization rate and operational stability of the system.

Abstract:This article briefly expounds the rules of competence verification in the electrical field in terms of materials,electricity,structure,performance and analysis tests of harmful substances.By analyzing the competence verification of creepage distance and electrical clearance as a practical case,it clarifies the selection of measuring equipment and the shortest creepage distance and electrical clearance paths,provides a outcome assessment of Z-score to confirm the accuracy of the selected path,and provides details to be noted during the measurement process.It offers reference suggestions for third-party testing institutions and enterprise laboratories participating in this competence Verification.

Abstract:Under the"dual-carbon"strategic context,photovoltaic-LED integrated lighting projects have attracted attention due to their advantages of clean energy and high efficiency.However,energy efficiency losses and weak management still exist during design,construction,and operation stages.From the perspective of project supervision,this study proposes a comprehensive energy efficiency management pathway covering design,construction,commissioning,and operation.Verification through a municipal road case shows a photovoltaic self-sufficiency rate of 76％,energy storage efficiency of 91％,LED energy-saving rate of 55％,and annual carbon reduction of approximately 160 tons,all exceeding the design targets.The results indicate that comprehensive supervision can effectively enhance energy efficiency,achieve energy-saving and low-carbon objectives,and provide reference experience for the implementation of green lighting projects.

Abstract:The indoor and outdoor environment and equipment implementation of intelligent buildings have achieved intelligent,information-based and networked monitoring and management,which can reduce the energy consumption of buildings and save energy consumption.As an important component of building energy consumption,the efficient control of HVAC and lighting systems plays a significant role in achieving energy conservation and emission reduction.This article mainly focuses on the analysis of control measures for HVAC and lighting systems in intelligent buildings,with the aim of providing theoretical support for the efficient operation of energy management systems in intelligent buildings.

Abstract:With the deep integration of intelligent lighting and Internet of Things technology in buildings,the lighting system has evolved from a single functional unit to a complex electronic information system,which is more sensitive to electromagnetic interference(EMI)such as lightning electromagnetic pulse(LEMP)and switching overvoltage.In this paper,the electromagnetic compatibility(EMC)of lighting device is taken as the core,and its design and optimization method under the framework of lightning protection safety is studied.The main interference sources and coupling paths are analyzed,and the mechanism of lightning induced overvoltage and grid conduction interference is discussed.A systematic EMC design strategy is proposed from the aspects of circuit design,filtering,shielding,grounding and software anti-interference.Combined with the case of an international airport terminal,the overall solution from driver selection,protection circuit design,cable laying to system grounding is introduced in detail.The measured results show that the surge immunity of the optimized system is increased from±1 kV to±4 kV,and the EMI related failure rate is reduced by 92%.

Abstract:This study addresses the challenges of an accelerating aging population in China,where the proportion of solo-living seniors is rising and care needs are diversifying.Current elderly-oriented monitoring technologies often overemphasize hardware and standardization,leading to low user compliance and privacy concerns.To tackle these issues,we propose a"behavior-parameter-service"tripartite framework,developing a smart monitoring system embedded in household lighting fixtures.This system perceives daily behaviors,analyzes data through dynamic modeling,and activates tailored services.By integrating products,communities,and institutions,it shifts elderly care monitoring from"explicit monitoring"to"implicit guardianship",providing support for the realization of an aging-friendly ecosystem that combines functionality with humanistic care.

Abstract:Addressing the efficiency bottlenecks of traditional urban road lighting inspections,which rely heavily on manual labor,incur high maintenance costs,and have delayed responses,this paper focuses on the core of improving inspection efficiency through IoT empowerment.It analyzes the pain points of traditional inspections,elaborates on the technical support system including sensor deployment at the perception layer,communication adaptation at the network layer,and data processing at the platform layer,and outlines key approaches such as real-time monitoring to replace manual checks,intelligent early warning to shorten response cycles,data-driven optimization of inspection plans,and remote maintenance to reduce on-site operations.The results indicate that IoT can restructure inspection processes,overcome the limitations of traditional models,and significantly enhance inspection accuracy and operational efficiency,providing a practical reference for the intelligent transformation of urban road lighting maintenance.

Abstract:This paper analyzes the energy consumption characteristics and interaction mechanisms of building mechanical and electrical systems and lighting systems,and establishes a multi-objective optimization-based collaborative control model.The research results show that this approach can enhance the overall building performance and promote the coordinated optimization of mechanical and electrical equipment and lighting systems.

Abstract:The traditional lighting electrical experiment devices have single functions and low levels of intelligence,which are difficult to adapt to the development of new light source technologies and cannot meet the energy-saving requirements of new light source technologies and the diverse demands of teaching and research scenarios.Based on new light source technologies,intelligent control theories,and energy-saving and sustainable development concepts,this paper conducts innovative designs from two aspects:one is the modular planning of hardware and the optimization of key component selection,and the other is the construction of the intelligent control system architecture and the expansion of algorithm functions.The innovative design of the lighting electrical experiment device system aims to enhance the practical value and technical matching degree of the device,with the expectation of providing a more efficient operation platform for teaching and research in the lighting field.

Abstract:The article focuses on'energy-saving technology and electrical circuit compatibility'in the retrofit of existing building lighting,analyzing the energy-saving retrofit requirements for existing building lighting systems,and summarizing the characteristics and application logic of four major energy-saving technologies:LED technology,smart energy-saving technologies such as on-demand dimming,refined lighting layout and optical distribution technology,and lighting metering and energy consumption monitoring technology.It also addresses the adaptation conflicts,such as LED low power causing circuit imbalance,and proposes countermeasures.

Abstract:The application of artificial intelligence and Internet of Things technologies has effectively enhanced the intelligence level of modern lighting systems,which is of great significance for improving lighting quality and reducing energy consumption.This article briefly expounds the application of artificial intelligence and the Internet of Things in intelligent lighting systems,deeply analyzes the energy-saving and safety optimization strategies of intelligent lighting systems,and verifies their optimization effects through experimental analysis.

Abstract:Public lighting,as an important component of urban infrastructure,consumes a considerable proportion of the total energy consumption in cities.With the continuous increase of urbanization rate in China,the coverage area of public lighting facilities is expanding,and the energy consumption of lighting is steadily increasing,which brings pressure to the urban energy supply and environmental sustainability.Demand-side management is an effective energy management approach that can adjust users'electricity consumption behavior and improve energy utilization efficiency.Reducing energy consumption while ensuring lighting quality is an important way to save energy in public lighting.Based on this,this paper starts with the integration value of public lighting energy-saving services and power marketing,and deeply analyzes the innovation of public lighting energy-saving service models and the marketing mechanism of public lighting energy-saving services under demand-side management,in order to provide a reference for further in-depth research in this field.

Abstract:Offshore wind farms are located in a special environment with high humidity,heavy salt fog and strong wind and rain.As a core device to ensure the stable operation of the lighting system in the wind farm,the lighting distribution box is prone to internal short circuits and component damage due to moisture intrusion,which directly affects the operation and maintenance safety and lighting function of the wind farm.This article mainly analyzes the sealing and moisture-proof treatment measures for short circuits caused by moisture in the lighting distribution box of offshore wind farms for reference.