Street Lamp Control Research Articles

Research and Design of an Intelligent Street Lamp Control System Based on NB-IoT

Research and Design of an Intelligent Street Lamp Control System Based on NB-IoT

Design of Intelligent Street Lamp Control and Fault Alarm System Based on NB-IOT

Design of Intelligent Street Lamp Control and Fault Alarm System Based on NB-IOT

Automatic Control Method for Street Lights in Unideal Lighting Environments Based on Deep Learning

In response to the control problem and power consumption problem of outdoor illumination in imperfect lighting environments, a deep learning based automatic control method for street luminaires in imperfect lighting environments is studied and an automatic control model for street lights in an imperfect lighting environment based on deep learning is constructed. Use sensors to collect temperature, humidity, air pressure, and haze values that are significantly correlated with the brightness of ilumination in the same environment. Based on the collected data, use a deep learning short-term memory network to predict the current street illumination brightness, and use the Whale Optimization Algorithm to optimize network parameters. Using window filtering and one-dimensional Kalman filtering to filter the predicted data of illumination, the predicted street illuminance data after filtering is compared with the expected values. Based on this, a discretized PID controller (proportional–integral–derivative controller) is used to output the dimming value to achieve street lamp control. The experimental results show that this method can accurately predict the current characteristic of street lamps, and has good brightness control results in poor lighting environments, as well as better energy-saving performance.

Centralized Control System for Smart Street Lights Based on STM32 and LoRa

In order to solve the problem of waste of power and human resources in the traditional street lamp control system, this paper designs a smart street lamp centralized control system based on STM32 and LoRa technology. The centralized control system consists of a centralized control device and multiple single lamp control devices. The STM32F103 is the MCU of the centralized control device. The system uses the characteristics of low communication cost and long transmission distance of LoRa technology to realize the communication between the centralized control device and the single lamp control device. The centralized control device uses the Modbus RTU protocol to communicate with the sensor module, and adjusts according to environmental factors. The brightness of the street lamp realizes the "on-demand lighting" of the street lamp, and an adaptive rate algorithm is proposed to optimize the communication of the LoRa network and improve the working efficiency of the system. This centralized control system combines embedded and wireless communication technology and has advantages in cost, reliability, energy saving and intelligent control. It can be applied to street lamp lighting control in various environments. It has a high degree of intelligence and has a strong market potential.

A low-power and low cost smart streetlight system based on Internet of Things technology

Street lighting, as the most essential and universal component of the urban lighting system, accounts for a large portion of public electricity usage. Therefore, improving street lamps working efficiency is vital for energy savings. This paper demonstrates the design of a smart street lighting system supported by the combination of NB-IoT and LoRa communication technology. By adopting an optimized street lamp control algorithm, the system can realize the automatic control of street lights according to the real-time traffic flow information. This system has been installed on Luyang Avenue, Lucheng City, Shanxi Province, China in May 2019. It managed to reduce the electricity consumption in this region significantly in June 2019, which was 18% lower than that in April 2019 and 19.7% lower than that in June 2018. By illustrating the unique advantages of this system in energy savings and cost reduction, this paper displays its potential for further application in the construction of smart cities on a large scale.

Green Electric Energy Technology in the Automatic Monitoring System of Electrical Street Lamp Lighting

Low-carbon economy has become the focus of global development, and the concept of environmental protection has become increasingly popular. As a high-tech industry, LED green lighting not only represents the future development direction of green lighting, but also sets an example in environmental protection and energy saving. The article introduces a wireless monitoring system that Kingsun Optoelectronics uses the latest ZigBee and GPRS technologies for LED street lights. The real-time data in the street lamp controller of the system is transmitted to the cloud server through the data concentrator through the ZigBee node, and the cloud server processes the data and distributes it to the corresponding monitoring terminal. At the same time, the remote control of each wind and solar complementary street lamp can also be realized through each terminal. Experiments have proved that the system realizes the intelligent management and monitoring of street lights based on saving electric energy and ensuring the reliability of lighting. The use of this system can realize the monitoring of all street lights without leaving the house, and finally realize the low-carbon economy and sustainable development of urban lighting.

Discussion on the Application of Computer Network in Intelligent City

Promoting the construction of intelligent city is a recognized viewpoint at home and abroad at present. Speeding up the construction of intelligent city is an effective grasp to further promote the governance of intelligent city in China and enhance the efficiency of government management. It is also an inevitable choice to innovate and optimize social and economic management, improve people’s livelihood public services, optimize modern industrial structure and promote economic structural transformation. A street lamp control system based on computer network is designed to analyze the application prospect of computer network technology in the future development of intelligent city. The system meets the basic requirements of 0.3 S and 80% in data transmission rate and success rate, respectively.

Circuit system based on cloud edge fusion and outdoor intelligent light networking

SummaryWith the continuous improvement of the national design standards of urban road lighting system, the intelligent, automatic, and remote management of urban street lighting system by using modern computer technology and the rapid development of Internet of things technology have become one of the important symbols of modern city. This paper mainly studies the circuit system based on cloud edge fusion outdoor intelligent light networking. Based on the development of wireless networking technology of new light source and sensor and data communication and processing technology of Internet of things, this paper analyzes the development trend and support status of intelligent lighting system, summarizes the overall demand for intelligent lighting system, and proposes a complete set of communication interface software, data‐processing software, operation management software, and street lamp controller group system architecture. The street lamp controller realizes the short distance wireless network through ZigBee technology and realizes the communication interaction of control and state acquisition data by GPRS wireless transmission technology. This paper tests the real‐time performance, packet loss rate, and stability of sensor data service provided by sensor nodes in the system. Finally, the monitoring experiments of the lighting circuit system are carried out, and the status of all street lamps in the centralized controller of street lamps is inquired every 5 min for 20 times. In these 20 times, the success rate of the first return of the switch state of the lamp is 100%, while that of the current and voltage is 98.6%. The experimental results show that the design of the lighting circuit system is feasible and the system runs stable and realizes the intelligent monitoring of the lighting system.

Construction of Urban IOT Infrastructure Platform from the Perspective of Low Carbon Smart City Construction

Under the promotion of technology and people's requirements, the construction of smart city in the new era has become a new trend of urban development. Intelligent means are used to improve the urban environment, enhance the safety factor of the city, meet the needs of urban traffic and other aspects, and realize the efficient, green and sustainable development of the city. This paper mainly introduces the research on the basic platform of urban Internet of things from the perspective of low-carbon smart city construction. Firstly, this paper discusses the role of the basic platform of the Internet of things to promote the low-carbon smart city, introduces the basic theory of the Internet of things, and builds the basic platform of the Internet of things based on the perspective of low-carbon smart city. This paper takes the intelligent gateway of the Internet of things as the communication core to realize the upload of data and the execution of control instructions. This paper proposes a method of automatic gateway configuration information, which can send configuration information from cloud to gateway. Gateway completes automatic configuration, reduces the workload of technical personnel. The terminal equipment connects to the cloud through mqtt protocol and carries out data communication. In this paper, the function and performance of the platform are tested. The experimental results show that the communication success rate of the Internet of things basic platform built in this paper reaches 100% when the communication distance is less than 150 meters, and 90% when the communication distance is 300 meters. The communication protocol used in this paper only takes 1ms to process a single message. In this paper, the street lamp control experiment is carried out, and the joint debugging test is carried out on the basic platform of the Internet of things. The results show that the control efficiency of the three control modes is the lowest of 98%. Through the implementation of this platform, we can reasonably monitor and manage urban energy use, improve the safety of energy use process, and promote the construction of low-carbon smart city.

Research and application of smart streetlamp based on fuzzy control method

Abstract To meet the demand of the construction of smart city and make automatic adaption of streetlamp possible, a streetlamp control method based on fuzzy control theory is proposed. Firstly, the fuzzy control rules are designed to make the brightness of lamp node easy to adjust with the natural light dynamically. Secondly, a smart streetlamp system is designed by combining the wireless sensors network technology based on 6LoWPAN communication and visual program technology based on visual basic. Finally, the software and hardware test are conducted which achieves streetlamp adjust dynamically, remote control and data transmitted. Results shows: the lamps which are controlled by the fuzzy controller could adjust its brightness according to the environment smartly. The mentioned method can realize intelligent regulation and energy saving effect.

Contradiction Analysis and Solution in the R&D of High-Power Solar LED Street Lamp Controller

As being restricted by factors such as cost, efficiency and size, the development of high-power solar LED street light controller is faced with plenty of difficulties. In case that a structure of two independent DC/DC is applied as the main circuit, it has to face problems such as large size and high cost; in case of applying the bidirectional BUCK/BOOST circuit, it requires change-over switches to control the solar panel and LED light. As being restricted by withstanding voltage, on-resistance and cost, a PMOS device cannot be used as the change-over switch of solar panel and LED light. However, when being used as a change-over switch, an NMOS device must apply the low-side mode under which the negative ends of the mentioned three parts are cut off. In the condition of applying the low-side mode, a differential circuit must be used to detect the voltage of the solar panel. Furthermore, in order to make sure batteries can still be regularly charged after wearing out in daylight, the controller must be supplied with power through a dual power supply circuit that can obtain power from both the solar panel and the battery. The demander has a requirement on extremely low standby power consumption of the product, and thus it is necessary to minimize the circuit that is live while working in standby mode. Methods: The bidirectional BUCK/BOOST circuit structure is applied to the main circuit to realize a higher change-over efficiency while giving considerations to both cost and size. The NMOS device, model IRFB4410ZPBF, with a price of about three yuan, is used as the switching device, and the low-side mode is applied, that is the switches inserted in between negative end of the solar panel or LED light and that of the DC/DC circuit. The low-cost rail-to-rail operational amplifier LM358 is used to form a differential amplification circuit for detecting the voltage of the solar panel. A XL1509-12E1 chip that only costs 0.88 yuan/pc is selected as the main change-over chip for the power supply, which has realized the highly-efficient and low-cost change-over of the power supply. A dual power supply circuit and a step-down protective circuit are designed for the XL1509-12E1 change-over chip. By comparing solar panel voltage with battery voltage, the solar panel booting circuit is realized. Only when solar panel voltage is higher than battery voltage, does the system program start to power it up for running, so that the outage of most of the circuits of the system under standby mode does not consume energy. Furthermore, the solar panel voltage detecting circuit, the solar panel booting circuit and several return difference functions are corrected during system debugging. Results: The circuit board of the entire controller features small size, low cost and high efficiency. It measures about 100*62*18mm in size, costs about 60 yuan, and the charge/discharge change-over efficiency reaches up to over 95%. The controller has many functions: it is capable of operating within a large scope, in which, solar panel voltage is subject to 15~50V, LED light voltage is subject to 15~60V, battery voltage is subject to 10~35V and battery-end charge/discharge current is 10A; it is capable of adapting to monocrystalline silicon/multicrystalline silicon/thin-film and many other kinds of solar panels, as well as lithium/lead-acid and many other kinds of batteries; it is capable of detecting the conversion of day and night, automatically controlling charging and discharging and automatically making adaptive adjustment according to seasonal variations; the current to be consumed during standby will be maintained below 3mA, and thus the power consumption is extremely low. Conclusion: By selecting the bidirectional BUCK/BOOST circuit structure, applying low-side mode for switching of solar panel and LED light, using a differential circuit to detect solar panel voltage, using a low-cost DC/DC chip to realize power supply change-over, designing a dual power supply circuit, introducing solar panel booting circuit and other hardware design, as well as MPPT algorithm, state recognition and control, return difference control and other software design, a solar LED street light control product featuring small size, low cost, high efficiency and multiple functions is successfully developed.

Intelligent Lighting System of Urban Road Based on Internet of Things

Aiming to solve the problems of energy waste, management confusion and poor flexibility in urban road lighting control system, an intelligent lighting system of urban road was designed based on the internet of things technology. The intelligent lighting system included hardware system composed of street lamp control terminal, main controller, software platform server, and software system composed of communication interface software, data processing software and operation management software. The lighting energy­saving control strategy and system characteristics were analyzed. The results show that the intelligent lighting system of urban road can realize the functions of remote street lamp switch, power regulation and timing operation, so as to meet the realistic demand of urban road intellectualized lighting control.

Energy saving in the street lighting control system\u2014a new approach based on the EN-15232 standard

The street lighting is one of major components in total energy consumption in cities. The paper is focused on a concept of street lamp control systems and function organization with remote monitoring, to reduce maintenance costs and energy consumption. A new approach to the definition of functional strategy organization for outdoor lighting systems is introduced in the paper. Proposed functional strategies are based on four efficiency classes of building automation and control systems (BACS) defined in the EN 15323 standard. They have been formulated, analysed and eventually implemented and verified in real experiment street lighting installation. This outdoor lighting system, designed by the authors, based on LonWorks (the ISO/IEC EN 14908) platform with a power line communication aimed to control high-pressure sodium lamps. The street lamps are integrated nodes of a building management system (BMS). The results of experimental tests for the proposed functional strategies, implemented with various control scenarios, show that they provide a great potential in reducing energy consumption by street lighting installations. In particular, the energy use can be reduced even by 45 % in comparison to conventional street lighting system, especially without the use of monitoring and control.

하이브리드 태양광 LED 가로등 컨트롤러의 효율 개선

하이브리드 태양광 LED 가로등 컨트롤러의 효율 개선

A Study to Improve the Quality of Street Lighting in Spain

Street lighting has a big impact on the energy consumption of Spanish municipalities. To decrease this consumption, the Spanish government has developed two different regulations to improve energy savings and efficiency, and consequently, reduce greenhouse-effect gas emissions. However, after these efforts, they have not obtained the expected results. To improve the effectiveness of these regulations and therefore to optimize energy consumption, a study has been done to analyze the different devices which influence energy consumption with the intention of better understanding their behavior and performance. The devices analyzed were lamps, ballasts, street lamp globes, control systems and dimmable lighting systems. To improve their performance, they have been analyzed from three points of view: changes in technology, use patterns and standards. Thanks to this study, some aspects have been found that could be taken into account if we really wanted to use energy efficiently.

Solar LED Street Lamp Controller Design Based on SCM

This paper introduces a solar controller based on SCM, system uses STC15F2K61S2 microcontroller as the core device of the control circuit. This design uses PWM (pulse width modulation) control technology and MOSFET tube is opened and closed to control the battery charging and discharging. The experimental results show that, the controller performance is reliable, can monitor the state of implementation of solar battery and storage battery, battery charge and discharge control optimal, to prolong the service life of the battery to.

Research on Communication Circuit Applied in Street Lamp Control System

Taking the power distribution network situation in China into consideration, this paper proposes a communication circuit applied in street lamp control system. It first summarizes the overall design scheme of the control system. And then it demonstrates the high reliability of outbound Two Way Automatic Communication System (TWACS) within one transformer area and the low-cost characteristics of corresponding circuit. Finally, it proposes the design scheme of the communication circuit which can process Power Line Carrier communication (PLC) signals and outbound TWACS signals simultaneously, and it is based on single MCU. This design scheme is conducive to improving the communication efficiency and success rate of the street lamp control system to a great extent.

Distributed Monitoring and Control System for Energy Saving Based on RPC

This paper describes a RPC-based distributed energy-saving monitoring system under network environment. It solves the contradiction between energy saving and security lighting. With the help of intelligent energy-saving street-lamp controller network, real-time statistics and analysis are implemented for each street-lamp node in the surrounding street scene environment. According to the analysis results, demand-controlled lights brightness level is realized and the intelligent control of lights is also realized. So the street lights achieve demand lighting, which can facilitate the life and save energy.

The Design of Active Power Filter Based on Power Line Carrier Communication

The development of street lamp control system has set a higher demand of more energy-saving and more effective which urges us to research the data transmission method based on Power Line Carrier between lamps and control center.By analyzing the influences on power line channel and signals burdened which produced by high harmonics and pulse interference from power supplies,we designed the active power filter fitted our demands.Besides, object oriented design method has been taken,combined software calculation and emulation,having effectively avoided complex computations in analogue filter design.

The Design and Implementation of Intelligent Street Lamp Control System

Aiming at existed problems in traditional lamps and monitoring system, an intelligent street lamp control system based on AT89S52 as the control unit is put forward. It consists of keyboard input, clock testing and display circuit. The system uses constant current source to drive the lamps with dimming capabilities, and makes use of photoresistor to test the brightness of environment. It also alarms by the way of light and sound when the lamp fail to light. In this paper, we design software and hardware of the street lamp control system, and realize the design concept the method and the process of intelligent street lamp control system based on the single chip microcomputer.