Indoor lighting controller design and implementation

OData support
Dr. Kiss Bálint
Department of Control Engineering and Information Technology

To improve the lighting device’s energy efficiency, we can distinguish at least two ways.

1. Although use less energy than before, the lighting devices provides the same brightness feeling for the user.

2. We adjust the brightness of light sources to ambient light level (in other words, we never generate more additional light than it is needed).

We aim to design an efficient lighting system to use less energy consumption by satisfying both options. Before taking up the main idea, we would divide and explain the related hardware and software solutions.

For the first option, concerning the hardware, using the LED (Lighting Emitting Diode) that can be operated under low power, dimming-switches that can adjust the reference luminance easily, and sensors that measure the brightness in the space, we can make the adjustment of brightness efficiently and use low power consumption under various operating modes managed by a software in the enlighten zone. Using this system that would satisfy the user’s need and maximize the energy efficiency at the same time.

For the second point of view for software, we will control of the above device in function of sensor feedback. The related software is developed in Eclipse IDE using Yargarto ARM Toolchain for ARM microcontroller and an interface with NI LabVIEW to check the status of the device.

Based on this technology, we can connect into a network multiple lighting devices and automate the lighting system in the user-oriented space for making a service that can contribute to create “smart” buildings. Furthermore, if this system combined with the smart window, and Internet of Things (IoT), this lighting system may be a cornerstone for the next generation of building.

The developed solution can be tested on a HIL simulator, which is the topic of another BSc thesis work.


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