Optical Sensor Adaptive Correction for Glare Interference
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Solution Overview
Problem
Optical sensors used for surveillance and position detection often experience interference from external sources, leading to incorrect data and object detection errors due to glare events, which can be caused by neighboring sensors or environmental factors.
Innovation Solution
Incorporating an adaptive correction unit within the optical sensor system that detects glare events using adaptive algorithms and AI filters, allowing the transceiver system to modify its operation to reduce the impact of interference, thereby enhancing the sensor's resistance to disruptive influences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple optical sensors are used for complex monitoring tasks, then monitoring capability is improved, but interference between sensors increases leading to false detections
Solution Approach 1:
The evaluation unit continuously monitors received signals and feeds back information about potential interference to the control unit. The control unit then adjusts transmission parameters (timing, power, beam direction) based on this feedback to eliminate or reduce interference effects, creating a closed-loop system that maintains reliable operation despite multiple sensors operating in proximity
Solution Approach 2:
The system dynamically changes transmission parameters including timing offsets, power levels, and beam directions based on detected interference conditions. By modifying these parameters in real-time, the system can coordinate multiple sensors to operate without mutual interference, enabling complex monitoring tasks while maintaining detection accuracy
2Adaptability or versatility
If optical sensors operate in environments with external light sources, then operational flexibility is improved, but glare events increase causing measurement errors
Solution Approach 1:
The system uses the detected glare patterns and interference characteristics to adaptively adjust transmission timing and power levels. By converting the harmful effect of external light sources into information about environmental conditions, the system can optimize its operation to maintain precise position detection even in challenging lighting environments
Solution Approach 2:
The control unit performs preliminary evaluation of received signals to detect potential glare events before they cause measurement errors. By identifying interference patterns in advance, the system can pre-adjust transmission parameters to prevent measurement inaccuracies, ensuring continuous operational flexibility without sacrificing precision
Data Source
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AI summary
The invention comprises a sensor arrangement (1) with an optical sensor (100, 100', 101, 102), wherein the optical sensor includes a data-generating transmit/receive system and an evaluation unit. In the evaluation unit, evaluation data is generated from the measured data, and an output signal (160) is generated based on the evaluation data. The optical sensor (100, 100', 101, 102) includes an adaptive correction unit, which detects glare events based on measured and/or evaluation data. Depending on the detected glare events, the adaptive correction unit modifies the operation of the transmit/receive system in such a way that the probability of the optical sensor (100, 100', 101, 102) being affected by glare events is reduced. The invention also relates to a method for operating a sensor arrangement.