Implementing a ZigBee-Based Smart Lighting System

Abstract: All industrial facilities and large warehouses require some sort of lighting solution. They have ongoing activities with workers and trucks moving around at various speed, and to avoid accidents these lighting solutions are often very bright and energy consuming. The most common solution is fluorescent light. These lights are energy consuming and not dimmable. Turning these off by night or when the facilities are empty makes there lifespan short, so they are usually always on. This ends up being very expensive and bad for the environment. By using LED as the main lighting solution it is possible to decrease the energy consumption to save money and help the environment. To decrease the figures even further there are smart LED lighting solutions. These solutions will detect ongoing activities and brightness levels in the facilities and automatically adapt the lighting needed in real time. There are many different solutions to smart lighting. Usually there are motion sensors and/or light sensors. These sensors will recognize any movement in the facility and increase the effect of lamps if more light is needed. The purpose of this master thesis is to add another sensor to give even more accuracy in light to facilities. Facilities mainly use trucks or other moving vehicles. This extra sensor is provided by attaching a ZigBee module to the lamps. The modules communicate with the moving vehicles and estimate their position to supply light wherever is needed. This provides an extra dimension to the smart light solution. Furthermore, using ZigBee one can detect a moving object close to the facility but not yet in the facility. This means that if a vehicle is moving towards a space that is not lit up, the LED will detect it and light up the space before the vehicle has entered, so the vehicle has appropriate amount of light when it arrives.