Indirect Vision Subcomponent Life Monitoring for Selective Replacement
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Solution Overview
Problem
Existing indirect vision systems in vehicles, such as camera monitor systems, are often replaced entirely upon failure, even if only a sub-component is defective, leading to unsustainable practices and lack of predictability in component lifespan, thus desiring a method to determine the service life of individual components for sustainable maintenance.
Innovation Solution
A maintenance system and method that includes an optical sensor unit, processing unit, display unit, and evaluation unit to generate a maintenance signal indicating the service life of sub-components and the entire system, using vehicle and environmental data to predict wear and tear, allowing selective replacement or reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire indirect vision system is replaced upon failure of a sub-component, then system reliability is ensured, but resource waste increases and sustainability deteriorates
Solution Approach 1:
The patent segments the indirect vision system into individual sub-components (capturing unit, processing unit, display unit) and implements independent service life monitoring for each segment. This allows selective replacement of only the defective or expired sub-component rather than the entire system, resolving the contradiction between ensuring reliability and reducing resource waste.
Solution Approach 2:
The patent enables recovery and reuse of functional sub-components by accurately determining their service life status. Sub-components that have not reached their service life limit can be recovered, tested, and reinstalled in other systems, thereby reducing resource waste while maintaining system reliability through proper component management.
2Reliability
If the entire indirect vision system is replaced upon failure, then fail-safe operation is maintained, but economic sustainability deteriorates
Solution Approach 1:
The patent implements preliminary monitoring of service life for each sub-component before actual failure occurs. By tracking usage data and predicting service life expiration, the system enables proactive maintenance scheduling, allowing replacement only when necessary while maintaining fail-safe operation and improving economic sustainability through reduced unnecessary replacements.
Solution Approach 2:
The patent establishes a feedback mechanism that continuously monitors sub-component performance and service life status, then uses this information to determine optimal replacement timing. This feedback loop ensures fail-safe operation by identifying components approaching failure while improving economic sustainability by avoiding premature replacement of still-functional components.
3Productivity
If individual sub-components are selectively replaced based on service life determination, then resource efficiency improves, but system complexity increases
Solution Approach 1:
The patent implements self-service functionality within each sub-component, where capturing units, processing units, and display units independently generate and store their own service life data and usage information. This self-service approach simplifies the overall system architecture by eliminating the need for complex external monitoring infrastructure, thereby enabling resource-efficient selective replacement without significantly increasing system complexity.
Data Source
AI summary
A maintenance system for an indirect vision system of a vehicle. The indirect vision system has an optical sensor unit for acquiring image data of the environment of the vehicle, a processing unit for processing the image data acquired by the optical sensor unit, and a display unit, on which the image data processed by the processing unit is displayed. One or more of the optical sensor unit, processing unit and display unit has at least one subcomponent. A receiving unit is provided for receiving data, and an evaluation unit which, based on the data received by the receiving unit, generates a maintenance signal which indicates how long and/or whether the subcomponent, optical sensor unit, processing unit and reproduction unit, and/or the entire indirect vision system is still usable.