Notification Lighting Control Unit Contrast Algorithm
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Solution Overview
Problem
Existing lighting systems fail to effectively enhance the contrast between notification light settings and background light settings, leading to missed visual notifications due to insufficient differences in brightness or color, which can be overlooked by users.
Innovation Solution
A control unit that adjusts both notification and background light settings based on comparisons of their respective parameters, such as brightness and color, to enhance contrast and improve the detectability of visual notifications, using a smart algorithm that modifies settings to ensure sufficient difference and adapt to the lighting ambiance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If notification light settings are applied regardless of background light settings, then the notification system is simple to implement, but the visual notification may be missed by the user due to insufficient contrast
Solution Approach 1:
The control module compares the notification light settings with the current background light settings and uses this feedback to determine whether modification is needed. The system continuously monitors the contrast level and adjusts settings accordingly, creating a closed-loop control system that ensures reliable notification detection while maintaining appropriate complexity levels.
Solution Approach 2:
The system dynamically adjusts notification light settings based on the current background lighting conditions. Rather than using fixed settings, the control module modifies brightness, color, or other parameters in real-time to ensure sufficient contrast, making the notification system adaptable to varying environmental conditions.
2Reliability
If the notification light settings are modified to enhance contrast, then the visual notification becomes more noticeable, but the overall lighting ambiance may be affected
Solution Approach 1:
The system applies different light settings to different groups of light sources: notification light sources receive modified settings to ensure visibility, while background light sources maintain their original ambiance settings. This localized approach allows contrast enhancement without compromising overall lighting atmosphere.
Solution Approach 2:
The control module modifies only the necessary parameters of notification light settings to achieve sufficient contrast, rather than completely overriding background settings. It applies minimal necessary changes to brightness or color parameters, preserving the ambient lighting while ensuring notification detectability.
3Reliability
If the system compares and modifies both notification and background light settings, then the contrast is enhanced for better detection, but the processing complexity increases
Solution Approach 1:
The system divides light sources into two distinct groups: notification light sources and background light sources. The control module processes settings for each group separately, comparing notification settings against background settings only when needed. This segmentation simplifies the control algorithm by avoiding unnecessary processing of all light sources.
Data Source
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AI summary
A control unit for a lighting system comprising a plurality of light sources, the control unit comprising: an interface for communication with a notification service; a control module configured to: control the plurality of light sources to emit light in accordance with light settings; receive notification light settings that are to be supplied to one or more of the light sources assigned as notification light sources by the notification light settings to provide a visual event notification that are transmitted from the notification service; compare the light settings with the notification light settings; and determine based on said comparison that the light settings and/or the notification light settings are to be modified; and control the one or more notification light sources in accordance with modified notification light settings, and/or control light sources of the plurality of light sources other than notification light sources in accordance with modified light settings.