Vehicle Backup Power Unit Prioritization
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Solution Overview
Problem
Redundant electrical systems in vehicles cannot effectively mitigate power failures that affect both primary and backup systems, and existing backup systems do not prioritize primary systems globally.
Innovation Solution
A vehicle system with a processing device that monitors the operating state and primary subsystems, detects failures, and performs remedial actions based on priority, including powering failed subsystems with a backup power unit and intercepting communications to perform necessary operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If backup systems are dedicated to particular primary systems, then specific system failures are mitigated, but global prioritization of primary systems is not achieved
Solution Approach 1:
The backup power unit is designed with universal functionality to support multiple different primary subsystems rather than being dedicated to a single system. The processing device determines which subsystems require backup power based on global prioritization logic, allowing the same backup power unit to serve different critical subsystems depending on which ones fail and their relative priorities.
Solution Approach 2:
The backup system configuration is dynamic rather than static. The processing device continuously monitors the operating state of multiple primary subsystems and dynamically determines which subsystems require backup power based on current failure conditions and priority levels. This allows the system to adapt to different failure scenarios and reconfigure backup power allocation in real-time.
Data Source
AI summary
A vehicle system includes a processing device programmed to monitor an operating state of a vehicle and the operation of at least one subsystem module. Depending on the operating state of the vehicle, the processing device can detect a subsystem module failure. If a failure is detected, the processing device can perform a remedial action. The remedial action taken may be based on the type of failure detected.