Driving Skill Evaluation Segmentation for Lower Processing Load
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Solution Overview
Problem
Existing travel-data-processing devices require powerful hardware resources due to the processing of large amounts of data for evaluating driving skills, leading to low design flexibility.
Innovation Solution
A travel-data-processing device that evaluates driving skills during straight-line and turning travel by segmenting data and selectively outputting evaluation information based on predetermined conditions, reducing the amount of data processed and hardware resource requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the device processes large amounts of data for evaluating multiple driving skill items, then the evaluation comprehensiveness is improved, but the hardware resource requirements increase and design flexibility decreases
Solution Approach 1:
The patent segments the evaluation items into two categories: simple evaluation items (first plurality) and detailed evaluation items (second plurality). This segmentation allows the system to process different amounts of data selectively - basic evaluations use minimal data while comprehensive evaluations can access detailed metrics, thereby maintaining design flexibility while enabling comprehensive assessment when needed.
Solution Approach 2:
The patent changes the parameter of data processing volume based on evaluation type. For simple evaluation items, only essential travel data is processed, while for detailed evaluation items, additional detailed data is processed. This dynamic parameter adjustment reduces average processing load while preserving the capability for comprehensive evaluation when required.
2Ease of operation
If the device outputs comments for numerous evaluation items, then the guidance effectiveness is improved, but the data processing load increases
Solution Approach 1:
The patent implements partial action by selectively processing and outputting evaluation comments based on what is necessary for effective guidance. Not all evaluation items are processed to the same depth - simple items receive basic evaluation while detailed items receive comprehensive analysis only when needed. This partial processing approach maintains guidance effectiveness while reducing overall data processing load.
Solution Approach 2:
Different evaluation items receive different levels of processing quality and detail. Simple evaluation items are processed with basic data while detailed evaluation items can access comprehensive data when needed. This local quality differentiation ensures that guidance is effective for each item's purpose without uniformly processing all items at maximum detail, thereby reducing total processing load.
Data Source
AI summary
A travel-data-processing device, including a memory storing a plurality of pieces of straight-line-travel-detailed-evaluation-related information and turning-travel-detailed-evaluation-related information, and a travel data processor outputting at least one of the plurality of pieces of straight-line-travel-detailed-evaluation-related information or turning-travel-detailed-evaluation-related information, based on an output of a detection device. The memory stores a plurality of pieces of straight-line-travel-simple-evaluation-related information and a plurality of pieces of turning-travel-simple-evaluation-related information. The travel data processor is configured to: acquire and segment travel data into straight-line-travel data and turning-travel data, evaluate a predetermined straight-line-travel-simple-evaluation item and a predetermined turning-travel-simple-evaluation item based on the straight-line-travel data and the turning travel data, respectively, evaluate a plurality of the straight-line-travel-detailed-evaluation items and a plurality of turning-travel-detailed-evaluation items based on the straight-line-travel data and the turning travel data, respectively, and select a detailed evaluation item and output a piece of detailed-evaluation-related information based on an evaluation result of the selected detailed evaluation item.


