Vehicle Display Program ID Verification for Writing Error Alerts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle control systems face issues with writing errors in programs for in-vehicle displays, leading to potential errors in display control due to mismatched program identification information, which are not easily detected.
Innovation Solution
An information processing device that includes an acquisition unit to acquire programs with unique identification information and a control unit to perform predetermined controls, such as false displays or alerts, when identification information does not match, allowing early detection of writing errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple programs are written into the ECU at different timings, then the flexibility of program updates is improved, but the risk of writing errors increases
Solution Approach 1:
The patent applies preliminary action by verifying program integrity through identification information comparison before the ECU executes the programs. The writing device stores identification information for each program, and before execution, the ECU retrieves and compares this stored identification information with the program's embedded identification information, detecting any writing errors in advance.
Solution Approach 2:
The patent implements feedback by creating a verification loop where the ECU reads back the written programs, compares their identification information against stored reference information, and reports any discrepancies. This feedback mechanism enables detection of writing errors and prevents execution of corrupted programs.
2Measurement precision
If program writing verification is performed, then writing error detection is improved, but the complexity of the system increases
Solution Approach 1:
The patent extracts the verification function into a separate, dedicated process within the ECU. Rather than complicating the program writing mechanism itself, the system isolates the verification logic as a distinct routine that reads programs, compares identification information, and reports errors, keeping the core writing mechanism simple while adding verification capability.
Solution Approach 2:
The patent uses identification information as an intermediary element that bridges the program writing process and verification process. This intermediary data structure enables error detection without requiring complex direct comparison mechanisms, as the identification information serves as a simple, verifiable marker for each program.
Data Source
AI summary
An information processing device includes: an acquisition unit configured to acquire a first program for causing a display unit to display specific information specific to a target vehicle, and a second program for causing the display unit to display common information common to the target vehicle and another vehicle; and a control unit configured to, when first identification information assigned to the first program acquired by the acquisition unit and second identification information assigned to the second program acquired by the acquisition unit do not agree with each other, perform predetermined control for alerting that the first identification information and the second identification information do not agree with each other.