Imaging Voltage Flag Detection for Vehicle Camera Reliability
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Solution Overview
Problem
Imaging devices face challenges in detecting issues related to power supply voltage fluctuations, which can affect their operation and image quality, particularly in vehicles where precise control is critical.
Innovation Solution
An imaging device configuration that includes an imaging unit, a data generator, and a flag generation section, which compares first power supply voltage data with reference data to generate a flag signal, enabling the detection of voltage-related problems and notifying drivers or restricting vehicle control functions accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If power supply voltage monitoring is implemented, then reliability of vehicle control is improved, but device complexity increases
Solution Approach 1:
The patent combines the power supply voltage monitoring function with the imaging device by integrating a voltage detection unit and flag generation section into the existing imaging device structure. This allows the imaging device to simultaneously perform imaging and voltage monitoring, reducing overall system complexity while improving vehicle control reliability through dual-function integration.
Solution Approach 2:
The imaging device is designed to serve multiple functions: primary imaging operation and secondary power supply voltage monitoring. By making the imaging device universal and capable of performing both functions, the patent avoids adding separate dedicated monitoring equipment, thereby improving reliability without proportionally increasing device complexity.
2Measurement precision
If voltage detection and flag generation are added, then measurement precision of power supply issues is improved, but device complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-setting reference voltage values and comparison thresholds within the imaging device. The flag generation section is pre-configured with reference data, enabling immediate and precise voltage anomaly detection without requiring complex real-time analysis algorithms, thus achieving measurement precision with minimal additional complexity.
3Reliability
If real-time voltage monitoring is implemented, then reliability of vehicle operation is improved, but loss of time for processing increases
Solution Approach 1:
The patent employs a direct comparison method where the voltage detection unit immediately compares detected voltage against pre-stored reference values without intermediate processing steps. This skipping of complex analysis and rapid flag generation minimizes detection time while maintaining reliable real-time monitoring capability, allowing the system to quickly identify and respond to voltage anomalies.
Data Source
AI summary
An imaging device according to the present disclosure includes: an imaging unit configured to perform an imaging operation; a data generator configured to generate first power supply voltage data corresponding to a first power supply voltage; and a flag generation section configured to generate a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.