Lighting System Database Update via Sensor Signal Correlation
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Solution Overview
Problem
Commissioning and maintaining lighting systems in large buildings is complex and time-consuming due to the need for manual tasks to identify and update light source positions, especially in systems with adjustable features, leading to increased costs and inefficiencies.
Innovation Solution
A method and system that automatically updates a lighting system's database by correlating light source IDs with their locations using sensor signals to determine the position of new or replaced light sources, allowing for automatic maintenance and reduced energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual tasks are used to identify and update light source positions, then the database can be maintained, but the commissioning and maintenance process becomes time-consuming and complex
Solution Approach 1:
The light source performs self-identification by automatically announcing its own ID to the control unit. The control unit then automatically determines the light source's position by analyzing sensor signals from light sensors, eliminating the need for manual identification and database updates. This self-service mechanism resolves the contradiction by maintaining database accuracy while eliminating time-consuming manual tasks.
Solution Approach 2:
The patent replaces manual mechanical identification processes with an automated optical-electrical system. Light sources transmit their IDs electronically, and the control unit uses light sensor signals (optical measurements) to automatically determine positions and update the database, substituting manual labor with automated sensing and processing.
2Reliability
If manual tasks are used to update light source positions, then the database can be maintained, but the maintenance cost increases
Solution Approach 1:
The system enables automatic maintenance where the control unit autonomously monitors light source IDs and positions through sensor signals, automatically updating the database without requiring manual intervention. This reduces maintenance complexity while ensuring database accuracy is maintained.
Solution Approach 2:
The control unit continuously receives feedback from light sensors about light source positions and compares this with the database information. When discrepancies are detected or when light sources are replaced, the system automatically updates the database based on this feedback, maintaining accuracy without complex manual maintenance procedures.
3Extent of automation
If light sources continuously transmit their ID, then the database can be updated automatically, but the energy consumption increases
Solution Approach 1:
Instead of continuous transmission, the light source transmits its ID periodically or only when triggered by specific events such as being switched on or when a replacement is detected. This periodic action maintains automatic database update capability while significantly reducing energy consumption compared to continuous transmission.
Solution Approach 2:
The control unit acts as an intermediary that actively requests light source IDs rather than relying on continuous transmission. The control unit can request IDs from specific light sources as needed, reducing the energy burden on individual light sources while maintaining the ability to automatically update the database when changes occur.
Data Source
AI summary
The present inventive concept relates to a lighting system and a method for updating a database of light sources of a lighting system, each entry of the database correlating a light source ID of a light source of the lighting system with an associated location of the light source. The method comprising: receiving a light source ID from a light source communicatively connected to the lighting system; comparing the received light source ID with entries of the database; upon the database lacking an entry corresponding to the received light source ID: requesting the light source associated with the received light source ID to initiate a change of state, monitoring for a sensor signal indicative of an occurrence of the change of state among sensor signals of light sensors distributed in locations served by the lighting system, thereby determining a location of the light source associated with the received light source ID, and adding an entry to the database, the added entry correlating the received light source ID with the determined location of the light source.