What the data for this category looks like
The core data for this category is generated around the vehicle unique identifier VIN. Daily documents include production orders, VIN lists, assembly work instructions, tightening data, offline inspection reports, rework records, and consistency release documents. Data sources cover ERP/MES systems, VIN and configuration systems, supplier batches, tightening tools, EOL inspection lines, and quality traceability systems. Updates are generated in real time per vehicle, with station data aggregated per shift. Data fields include unique VIN codes, torque parameters (unit: newton meters), part numbers, inspection results, and more. The structure centers on individual vehicles, linking hundreds of configuration and process information items.
What constraints these characteristics impose on the "HTTP Interfaces and External Systems" link
The VIN-centric structure for individual vehicles requires interfaces to use VIN as the core query parameter, to avoid mismatches and missed installations caused by fuzzy matching. Real-time generated tightening data and offline inspection reports require interfaces to have low-latency response capabilities, otherwise final assembly processes will be delayed. The feature that individual vehicles are linked to hundreds of configurations requires interface returned data to support field filtering, to avoid invalid data occupying transmission bandwidth and processing resources. Heterogeneous interface formats from multiple data sources require unified request and parsing rules to adapt to return structures of different systems. The high beat rate of final assembly lines requires interface request frequency to match station rhythm, to avoid overloading external systems and causing system congestion.
How to set the configurations
The following configurations are based on FastGPT v4.17.0.
| Configuration Item | Recommended Approach | Rationale |
|---|---|---|
Request header Authorization | Carry internal factory Bearer tokens with a 1-hour validity period | Comply with the identity verification requirements of vehicle manufacturer internal APIs, to prevent unauthorized access |
Request variables | Bind VIN codes and station IDs as dynamic parameters | Adapt to dedicated document matching requirements for individual vehicles, enabling precise vehicle-specific queries |
responseData parsing rules | Extract tightening torque and configuration list fields, filter redundant data | Focus on core document fields required for cross-review, reducing invalid data processing |
| Interface timeout period | 30–60 seconds | Adapt to the return latency of real-time tightening data and offline inspection reports, avoiding timeout interruptions of the review process |
| Retry count | 2 times | Address scenarios of temporary network fluctuations or brief unavailability of external systems |
| Request frequency limit | No more than 2 times per station per second | Match the beat rhythm of vehicle final assembly lines, avoiding overloading external systems |
Three common errors
- Phenomenon: After the
Authorizationtoken expires, the interface returns a 401 status code, and team data is not synchronized and updated; Cause: No token automatic refresh logic is configured, and no storage trigger rules for team data are bound. - Phenomenon: The request
variablesdo not correctly bind the current station’s VIN code, and the returned configuration list does not match the actual assembled vehicle; Cause: Dynamic parameters are not associated with real-time VIN scan data from the final assembly line, and static preset parameters are used instead. - Phenomenon: No filtering rules are configured for
responseData, loading full content returned by external systems causes context overflow, and the review result is empty; Cause: No focus is placed on core review fields, and redundant data is loaded blindly.
How to confirm the configurations are set correctly
- Initiate a test request carrying a real VIN code, verify that the configuration list returned by
responseDatamatches the work instruction content of the corresponding vehicle. - Simulate the scenario where the
Authorizationtoken expires, verify whether the system automatically triggers token refresh and resends the request, and the interface returns normally. - Simulate the scenario where external systems return abnormal data, check whether the system processes according to the configured retry rules.
- View real-time request logs of final assembly line stations, confirm that the request frequency meets the preset limit requirements.
The values provided are common starting points and should be measured against the reader's own samples.