Indirect Vision Component Life Assessment for Targeted Maintenance
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Solution Overview
Problem
Existing indirect vision systems in vehicles, such as camera-monitor systems, are often replaced entirely when a component fails, despite only a single component being defective, leading to waste and inefficiency, and there's a lack of reliable methods to determine the remaining service life of individual components.
Innovation Solution
A maintenance system that includes an optical sensor unit, processing unit, display unit, and evaluation unit to generate a maintenance signal indicating the usability of individual components based on vehicle and environmental data, allowing for targeted replacement or reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire indirect vision system is replaced when a component fails, then reliability is ensured, but resource waste increases and sustainability deteriorates
Solution Approach 1:
The patent segments the indirect vision system into individual replaceable components (optical sensor unit, processing unit, display unit) with separate service life counters. This allows replacement of only the defective or expired component rather than the entire system, reducing waste while maintaining reliability.
Solution Approach 2:
The patent implements a component recovery and reuse system where non-defective components are identified, removed from service, and made available for installation in other systems. This recovers valuable components and prevents unnecessary waste while ensuring system reliability through controlled replacement.
2Productivity
If individual component service life is monitored, then sustainability improves and resource utilization optimizes, but system complexity increases
Solution Approach 1:
Each component unit is equipped with an integrated service life counter that automatically tracks its own operational status and generates replacement signals. This self-monitoring capability eliminates the need for complex external monitoring systems while improving maintenance efficiency through automated component management.
3Loss of substance
If components are reused in other systems, then resource utilization improves and waste reduces, but reliability risk increases if wear is not accurately determined
Solution Approach 1:
The patent implements a feedback mechanism where service life counter data from removed components is transmitted to a receiving unit. This feedback enables accurate assessment of component wear and remaining service life, ensuring that only components within safe operational limits are reused, thereby maintaining reliability while promoting resource utilization.
Data Source
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AI summary
A maintenance system for an indirect vision system (2) of a vehicle (1), comprising: the indirect vision system (2) comprising at least one optical sensor unit (3) for capturing image data of the vehicle's environment, at least one processing unit (9) for processing the image data captured by the optical sensor unit (3), and at least one display unit (4) on which the image data processed by the processing unit (9) is displayed, wherein at least one of the at least one optical sensor unit (3), the at least one processing unit (9) and the at least one display unit (4) comprises at least one subcomponent (16, 17, 18, 19, 23, 24, 26).The maintenance system further includes a receiving unit (6) for receiving data; and an evaluation unit (10) which, based on the data received by the receiving unit (6), generates a maintenance signal indicating how long and/or whether the at least one subcomponent (16, 17, 18, 19, 23, 24, 26), which consists of at least one optical sensor unit (3), at least one processing unit (9) and at least one playback unit (4), and/or the entire indirect vision system is still usable.