Light Fixture Optical Burst Identification for Lighting Contribution Measurement
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Modern indoor lighting systems face challenges in determining the contribution of various light sources, both artificial and natural, to the overall lighting environment, leading to inefficient energy usage and inconsistent lighting levels.
Innovation Solution
A system utilizing burst patterns encoded in the optical output of light fixtures, comprising a light sensor and controller, to determine the lighting contribution of each fixture, allowing for efficient adjustment of optical output to achieve target light levels, thereby optimizing energy usage and lighting consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If multiple light fixtures are used to provide artificial lighting, then the lighting coverage and comfort are improved, but the difficulty of determining individual fixture contributions increases
Solution Approach 1:
The patent segments the lighting measurement problem by having each light fixture transmit its unique identifier through optical bursts. This allows the sensor to distinguish and measure contributions from individual fixtures rather than measuring total ambient light, resolving the difficulty of determining individual fixture contributions in multi-fixture environments.
Solution Approach 2:
The system implements feedback by having light fixtures transmit identification information through optical bursts, which the sensor detects and uses to determine individual fixture contributions. This feedback mechanism enables the controller to identify which fixtures are contributing to the lighting environment and adjust their operation accordingly.
2Stability of the object's composition
If light fixtures operate continuously to maintain adequate lighting, then lighting consistency is improved, but energy consumption increases
Solution Approach 1:
The patent applies dynamics by enabling the controller to dynamically adjust light fixture operation based on real-time environmental lighting conditions and individual fixture contribution measurements. The system can vary fixture operation between continuous, periodic, or on-demand modes, optimizing the balance between lighting consistency and energy consumption.
Solution Approach 2:
The system changes operational parameters by adjusting when and how light fixtures operate based on measured contributions. The controller can modify duty cycles, intensity levels, and activation timing of individual fixtures based on their measured impact on the lighting environment, thereby reducing energy consumption while maintaining adequate lighting consistency.
3Measurement precision
If light fixtures are adjusted to reach target light levels, then lighting precision is improved, but the complexity of control increases
Solution Approach 1:
The patent applies self-service by having light fixtures automatically transmit their identification information through optical bursts, enabling the sensor and controller to automatically identify and measure individual fixture contributions. This self-identification mechanism reduces control complexity compared to systems requiring manual configuration or complex addressing schemes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables precise control of lighting levels, reducing energy consumption by identifying the contribution of each light source and adjusting their output accordingly, ensuring a consistent and efficient lighting environment.
Implementation Method 1
a light sensor and a controller. The light sensor generates light level data based on measured light levels
Data Source
AI summary
Methods and systems herein provide for determining lighting contributions of light fixtures to an environment. In one embodiment, a system includes a light sensor and a controller. The light sensor generates light level data based on measured light levels. The controller determines a nominal light level based on the light level data, and identifies an optical burst pattern in the light level data generated by a light fixture. The controller then determines a lighting contribution of the light fixture based on the optical burst pattern and the nominal light level.