Adaptive Roadway Lighting Control via Dynamic Zone Segmentation
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Solution Overview
Problem
Outdoor lighting fixtures have limited functionality in dynamically adjusting light levels and distribution, often operating at full intensity unnecessarily, which can affect road visibility and resource efficiency.
Innovation Solution
An outdoor lighting assembly with a controller that independently adjusts the optical output of LED arrays in pre-defined zones based on scenic, environmental, and telemetric factors, using wireless communication and sensors to dynamically change intensity and distribution patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If outdoor lighting fixtures operate at full light distribution, then road visibility is improved, but energy resources are wasted unnecessarily
Solution Approach 1:
The lighting fixture dynamically adjusts light intensity and distribution patterns in real-time based on detected conditions such as weather, occupancy, and road usage. The system transitions from static full-intensity operation to dynamic adaptive lighting, reducing energy consumption while maintaining adequate visibility only when and where needed.
Solution Approach 2:
The system changes operational parameters including light intensity, distribution pattern, and zone activation based on environmental and contextual factors. By modifying these parameters dynamically, the system optimizes the balance between maintaining road visibility and conserving energy resources.
2Reliability
If outdoor lighting fixtures provide sufficient light for road visibility, then safety is improved, but the system lacks adaptability to different conditions
Solution Approach 1:
The lighting system incorporates dynamic adjustment capabilities that allow real-time modification of light output based on detected conditions. Sensors detect weather, occupancy, and environmental factors, triggering adaptive responses that optimize visibility for specific scenarios while maintaining system reliability.
Solution Approach 2:
The system uses sensor feedback from weather conditions, occupancy detection, and environmental monitoring to continuously adjust lighting parameters. This closed-loop feedback mechanism ensures the lighting remains adapted to current conditions while maintaining adequate road visibility and safety.
3Ease of operation
If outdoor lighting fixtures use static light distribution, then the system is simple to operate, but the optical distribution cannot be altered after initial setup
Solution Approach 1:
The system transitions from static to dynamic optical distribution, enabling post-installation adjustment of light patterns and intensity zones. This dynamic capability is achieved through automated sensor-based control and wireless communication interfaces that allow users to modify distribution without complex manual intervention.
Solution Approach 2:
The lighting system performs self-adjustment based on sensor inputs and pre-programmed response protocols. The system automatically detects conditions and modifies its own optical distribution without requiring user intervention, maintaining ease of operation while enabling adaptability.
4Device complexity
If outdoor lighting fixtures distribute light equally across all zones, then the system is simple to control, but valuable lighting resources are wasted in unneeded zones
Solution Approach 1:
The lighting fixture divides its output into multiple independently controllable zones or segments. Each zone can be activated or deactivated based on detected conditions such as occupancy, weather, or road usage patterns. This segmentation enables selective lighting that prevents resource waste in unneeded zones while maintaining control simplicity through automated zone management.
Solution Approach 2:
The system applies different lighting characteristics to different zones based on local conditions and requirements. Each zone can have customized intensity and distribution settings optimized for its specific purpose, allowing the system to provide adequate lighting where needed while conserving resources in zones that do not require full illumination.
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 allows for optimized light distribution and intensity adjustment in real-time, improving road visibility and resource efficiency by tailoring lighting to specific conditions, such as weather or vehicle data.
Implementation Method 1
at least one lighting arrays having a plurality of light sources
Implementation Method 2
photo sensor data etc. For example the photo sensors can measure, then dim, light directed from the surface towards the driver
Data Source
AI summary
Provided is an outdoor lighting assembly including at least one lighting arrays having one or more light sources configured for lighting a plurality of zones. At least one controller is operatively coupled to the at least one lighting array. The controller is configured to independently change optical outputs of the one or more light sources in each of the zones.