Abstract
This paper concerned with the development and implementation of smart street lighting control system based using Led lamp and Lora Wireless communication. Smart street lamps have been developed for over several years. These technologies have played an important role in urban safety, energy conservation. Currently, a traditional street lights are automatically turn on or off based on timer or day/night sensor. LEDs are now the standard replacement for legacy lighting in most cities around the world. At the same time, smart controls are becoming more mainstream and are increasingly installed alongside LED deployments. Recently, the conventional light sources are replaced by Led, which have so many advantages such as: energy savings, long lifetime, high reliability, pure light color, fast response, and friendliness to the environment. Furthermore, the intensity of the LED can be controlled easily. In this paper, the smart lighting system is designed to control and monitor devices via wireless transmission frequencies below 1 GHz. The system will include many types of devices connected to each other by a gateway. The transmit distance is about 2km in the urban area and up to 5km in rural area. The proposed smart street public lighting provides some advantages features such as: Automatic mode, Remote control mode, Connection disconnection mode, Manual direct operation mode. The smart lighting system has been built at Ho Chi Minh City University of Technology to meet the standards for data transmission. And some experimental resutls are provided to show the effectiveness of the porposed system.
Highlights
The intelligent street lighting system integrates smart technology and control capabilities is used wide to move to smart city
When the user controls the Led, the command comes down from the Web application - from the Web service from there to Gateway - Gateway sends the command down to the LoRaWan Module - and the module sends the command to the LED control set to execute the command
Data from the LED control will switch to LoRaWan Module and Gateway to send to Cloud, network protocol is TCP
Summary
The intelligent street lighting system integrates smart technology and control capabilities is used wide to move to smart city. Some studies such as PowerEco of Global Electrical Technology Joint Stock Company offer solutions to control HPS/LED lighting systems through GPRS connections in point-to-point form Other integrated solutions such as Rang Dong’s intelligent control lighting system use PLC technology for buildings. Most smart public lighting systems use technologies (PLC), ZigBee, SigFox and LoRa and NB-IoT. There are some commercial solutions for street smart lighting such as: the CityTouch software of Philips, Owlet IoT City Management System of Schréder or Street Light Control (SLC) of Osram 11–13. Locate luminaire coordinates quickly: due to the built-in GPS module in the Owlet IoT lamp controller, luminaire coordinates are automatically determined quickly, accurately, saving costs, effort in drawing map These companies’ sale the smart lamps which are compatible with the software. The price of these solutions is very high and it is difficult to apply in Ho Chi Minh city due to security reason
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