Vehicle Bodybuilder Data Logging With Ring Buffer Incident Capture
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Solution Overview
Problem
Existing data logging solutions for bodybuilders are inadequate for capturing the status of equipment and its environment before and after an emergency button is pressed, as they primarily focus on vehicle crashes or shocks, failing to meet the specific needs of bodybuilders.
Innovation Solution
A bodybuilder module with an electronic control unit, ring buffer memory, and recording unit that continuously records sensor signals from both vehicle-integrated and bodywork sensors, logs data before and after an incident, and transfers data to a recording unit upon a triggering event, allowing for detailed investigation of incident causes and consequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If existing data logging solutions focus only on vehicle crashes or shocks, then the logging system remains simple and focused, but it fails to capture the status of bodybuilder equipment and its environment before and after emergency incidents
Solution Approach 1:
The data logging system is enhanced to perform multiple functions: it not only logs vehicle crash data but also continuously monitors and records bodybuilder equipment status, environmental conditions, and operational parameters. The system can trigger logging for various incident types (emergency button presses, equipment failures, environmental anomalies) rather than just vehicle crashes, making it universally applicable to diverse incident scenarios.
Solution Approach 2:
The system continuously pre-logs equipment status and environmental data before incidents occur, so that when an emergency incident happens (such as an emergency button press), the relevant data is already captured and ready for analysis. This preliminary data collection ensures that no critical information is lost during the incident investigation process.
2Loss of information
If the system continuously records all sensor signals indefinitely, then complete data is available for analysis, but storage resources are consumed and system complexity increases
Solution Approach 1:
The system uses a ring buffer memory structure that continuously pre-logs data at a fixed sampling rate before incidents occur. This preliminary action ensures that when an incident is triggered, the most recent relevant data is already captured in the buffer, ready for transfer to permanent storage, eliminating the need to store all historical data indefinitely.
Solution Approach 2:
The ring buffer implementation automatically discards oldest data samples when the buffer is full, keeping only the most recent data. This allows the system to maintain a sliding window of recent equipment and environmental status without consuming unlimited storage resources, while still capturing complete incident data when needed.
3Quantity of substance
If the system logs data only after an incident occurs, then storage space is conserved, but the system cannot investigate the causes and consequences of the incident
Solution Approach 1:
The system continuously collects and buffers equipment status and environmental data before incidents occur, so that when an incident is triggered, the relevant contextual data is already captured and ready for immediate analysis. This eliminates the time delay that would otherwise be required to collect data after an incident happens.
Solution Approach 2:
The system provides immediate feedback by transferring buffered data to permanent storage and making it available for analysis right after an incident occurs. This rapid feedback loop enables quick incident investigation while the data is still fresh and relevant, reducing the loss of time for cause and consequence analysis.
4Loss of information
If the system integrates multiple sensor types (bodywork sensors and vehicle integrated sensors), then comprehensive data coverage is achieved, but device complexity increases
Solution Approach 1:
The data logging system is designed to handle multiple sensor types through a unified interface and common data processing pipeline. Both bodywork sensors (equipment status, environmental conditions) and vehicle integrated sensors (GPS, engine parameters) are processed using the same logging mechanism, reducing the complexity that would arise from separate handling of each sensor type.
Solution Approach 2:
The system segments data collection into distinct sensor groups (bodywork sensors and vehicle integrated sensors) with different sampling rates and data formats, but processes them through a unified logging framework. This segmentation allows flexible configuration of each sensor type while maintaining overall system simplicity through standardized data handling procedures.
Data Source
AI summary
A bodybuilder module for data logging, the bodybuilder module comprising an electronic control unit controlling a ring buffer memory unit and a recording unit, the bodybuilder module being operationally connected to a plurality of sensors installed on a bodywork of a vehicle, and to a plurality of vehicle integrated sensors installed on the vehicle, the electronic control unit being further configured to set a first time duration; select at least one sensor signal, and continuously record the sensor signal in the ring buffer memory unit during the first time duration; select at least one vehicle integrated sensor signal and continuously record samples in the ring buffer memory unit during the first time duration; receive as input a triggering signal related to an incident occurrence, so that a moment of triggering is defined; and at the moment of triggering, transfer a content of the ring buffer memory into the recording unit.