With the advancement of technology, LEDs have become more widely used in the field of lighting, and even future lighting lamps do not require switching control.
Researchers at the MIT Responsive Environments Group are currently developing an intelligent LED lighting system that automatically and continuously adjusts room brightness to 90% energy savings based on the user's lighting environment.
The core of this lighting system is a small business card-sized controller with built-in sensors that monitor the actual lighting environment of the user's work area. The controller adjusts the light density and color balance to achieve the brightness of the environment. The research is currently being conducted at the MIT Media Lab, based on a control system consisting of LED lights, which are easier to control than conventional fluorescent lamps.
The microcontroller not only monitors the light density emitted by the LED illuminator, it also calculates ambient light that is infiltrated from outside the window or adjacent to the work area. If the sunlight from the window is sufficient to meet the user's light needs, the light above the work area will be dimmed or turned off directly; if the sunlight outside the window is darkened by the clouds, the light above the work area will be immediately Is enabled.
MIT Media Lab: Test System consisting of four LED lighting fixtures
The researchers found that this LED intelligent lighting control system can save 65%-90% of electricity (highest energy efficiency) compared to incandescent or fluorescent lamps. According to a survey released by the US Department of Energy in 2009, 22% of electricity in the United States is used in lighting systems. Considering this situation, the prospect of this control technology is still very optimistic, and in the future the control system can also use other light sources including incandescent lamps and fluorescent lamps.
In addition to energy savings, the researchers also introduced the control system to meet the needs of users, the latter can adjust the lighting environment that suits you best.
As the research is still in its infancy, some designs have yet to be improved. For example, when the lighting control system moves, the sensors in the controller need to be recalibrated, and it is easy to produce a relatively scattered and bright and light light effect. To this end, researcher Aldrich is designing an intelligent system based on infrared LED lights and built-in infrared sensor controllers, which makes it easier to adjust the light density and calibrate the system. The team is also measuring the reflected light in the illuminated area, looking for ways to control the light using gestures.
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