| Author | Soujanya, Ch. Naga Sai |
| Note | A thesis submitted in partial fulfillment of the requirements for the
degree of Master of Engineering in
Microelectronics and Embedded Systems
|
| Publisher | Asian Institute of Technology |
| Abstract | Nowadays, we observe that most of the street lights tend to ON during evenings or nights and they continue to be in the ON position for the whole night. This leads to lot of energy wastage because lights keep glowing even when there is absolutely no necessary of it. Here which means street lights tend to be ON continuously even when there are no vehicles/ pedestrians present on the road. So as a result of this, there is lot of energy wastage which is not at all a positive sign. In this study, I aim to make a smart street light system which glows only when it is necessary and goes to OFF position when it is not. So this stride helps in reduction of power usage comparatively. The major objective is to build automatic system of street lighting using best SOC(system on chip) processor which is ‘Raspberry pi’. Here the main aim is to ON the light when the vehicle or pedestrian enters the certain point of the road and make the light be in OFF position when it is not required. For this particular purpose, a transmitter and a receiver are made to setup. The communication is made between the transmitter and the receiver is through “Lora” wireless module. Signal gets transmitted from transmitter to receiver through antenna of Lora module. For the lighting purpose, LED light is used as it is most efficient and compatible light module of all. The system is controlled according to specific techniques/modes, SPI and I2C communication is used. This mode/technique is controlled by two sensors which are used for detection purpose, they are Ultrasonic sensor on the transmitter side and Lidar Lite V3 sensor on the receiver side. The power supply for this system is direct AC power supply, here a relay is used for controlling a high current circuit with a low current circuit. In simple words, a relay can be called as a switch. This system can turn ON and OFF the lights as per the requirement (whether there are car/pedestrian present). This system majorly works during night time and focuses on one way road. So here the street light will ON only when there are road users are present over there. Compared to conventional street light system which is completely ON for the whole night, this street light can save electricity or energy consumption comparatively. Through this process, mainly the lifespan of the system can be increased and the maintenance cost can be reduced comparatively |
| Year | 2018 |
| Type | Thesis |
| School | School of Engineering and Technology (SET) |
| Department | Department of Industrial Systems Engineering (DISE) |
| Academic Program/FoS | Microelectronics (ME) |
| Chairperson(s) | Mongkol Ekpanyapong; |
| Examination Committee(s) | Bohez, Erik L. J.;Abeykoon, A.M. Harsha S. ; |
| Scholarship Donor(s) | AIT Fellowship; |
| Degree | Thesis (M. Eng.) -- Asian Institute of Technology, 2018 |