Spatially Resolved Lighting Control via Motion Detection
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Solution Overview
Problem
Current lighting control systems lack the ability to provide spatially resolved lighting control based on detected movement information, failing to effectively activate or deactivate lighting in specific areas or along the path of a moving object.
Innovation Solution
A lighting system incorporating motion detectors that emit and receive electromagnetic or sound waves to determine spatial positions and changes, controlling light sources to activate or deactivate lamps in correlation with the detected movement, allowing for adaptive lighting adjustments in intensity, color, and direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If motion detectors are used to activate light sources based on detected movement, then lighting control is improved, but spatially resolved lighting control is not achieved
Solution Approach 1:
The lighting system is divided into multiple independently controllable light sources distributed throughout the monitored area. Each light source can be individually activated or deactivated based on the spatial location of detected movement, enabling zone-specific lighting control rather than uniform area-wide control.
Solution Approach 2:
Different spatial zones are assigned different lighting characteristics (activation/deactivation states) based on local movement detection. The system provides tailored lighting control to specific locations where movement is detected, rather than applying uniform control across the entire area.
2Reliability
If all light sources are activated to ensure adequate lighting coverage, then lighting reliability is improved, but energy consumption increases
Solution Approach 1:
Instead of continuous activation of all light sources, the system periodically monitors for movement and activates only the specific light sources needed at particular times and locations. This intermittent, demand-based activation maintains lighting reliability when needed while minimizing energy consumption during periods of no activity.
Solution Approach 2:
The system activates only the minimum necessary portion of the lighting system (specific light sources in specific zones) rather than all light sources. This partial action approach provides sufficient lighting coverage for detected movement while avoiding the energy waste of activating unnecessary lights in unmonitored or empty areas.
3Measurement precision
If multiple motion detectors are deployed to improve spatial resolution, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The spatial monitoring area is divided into multiple zones, each monitored by individual motion detectors. This segmentation allows precise determination of which zone contains movement, enabling targeted lighting control without requiring a single complex detector system. Each detector focuses on a specific spatial segment.
Solution Approach 2:
Multiple motion detectors use the same detection technology and control logic, making them interchangeable and simplifying system design. Each detector performs the same function (detecting movement in its zone) and can control its associated light sources using identical control rules, reducing overall system complexity despite the number of components.
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
Enables targeted lighting adjustments in specific areas or along the path of a moving object, enhancing safety and guidance by ensuring only necessary areas are illuminated, with the potential to highlight danger zones through color changes.
Implementation Method 1
at least one sensor that is set up to receive electromagnetic waves and/or sound waves and to evaluate them with regard to a parameter that reflects a spatial position or change in position
Implementation Method 2
at least one sensor that is set up to receive electromagnetic waves and/or sound waves and to evaluate them with regard to a parameter that reflects a spatial position or change in position
Implementation Method 3
The light source can be configured to emit light of different intensity, color, temperature and/or with different spatial direction, depending on the parameter
Data Source
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AI summary
The invention provides a lighting system with at least one motion detector and at least one light source, wherein the motion detector has at least one sensor which is configured to receive electromagnetic waves and/or sound waves and to evaluate them with respect to a parameter representing a spatial position or change in position and to control the at least one light source depending on the parameter.