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51 lines
2.4 KiB
Markdown
51 lines
2.4 KiB
Markdown
# Flight Reporting
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PX4 logs detailed aircraft state and sensor data, which can be used to analyze performance issues.
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This topic explains how you can download and analyse logs, and share them with the development team for review.
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:::tip
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Keeping flight logs is a legal requirement in some jurisdictions.
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:::
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## Downloading Logs from the Flight Controller
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Logs can be downloaded using [QGroundControl](http://qgroundcontrol.com/): **[Analyze View > Log Download](https://docs.qgroundcontrol.com/master/en/qgc-user-guide/analyze_view/log_download.html)**.
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## Analyzing the Logs
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Upload the log file to the online [Flight Review](http://logs.px4.io) tool.
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After upload you'll be emailed a link to the analysis page for the log.
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[Log Analysis using Flight Review](../log/flight_review.md) explains how to interpret the plots, and can help you to verify/reject the causes of common problems: excessive vibration, poor PID tuning, saturated controllers, imbalanced vehicles, GPS noise, etc.
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::: info
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There are many other great tools for visualising and analysing PX4 Logs.
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For more information see: [Flight Analysis](../dev_log/flight_log_analysis.md).
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:::
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:::tip
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If you have a constant high-rate MAVLink connection to the vehicle (not just a telemetry link) then you can use *QGroundControl* to automatically upload logs directly to *Flight Review*.
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For more information see [Settings > MAVLink Settings > MAVLink 2 Logging (PX4 only)](https://docs.qgroundcontrol.com/master/en/qgc-user-guide/settings_view/mavlink.html#logging).
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:::
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## Sharing the Log Files for Review by PX4 Developers
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The [Flight Review](http://logs.px4.io) log file link can be shared for discussion in the [support forums](../contribute/support.md#forums-and-chat) or a [Github issue](../index.md#reporting-bugs-issues).
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## Log Configuration
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The logging system is configured by default to collect sensible logs for use with [Flight Review](http://logs.px4.io).
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Logging may further be configured using the [SD Logging](../advanced_config/parameter_reference.md#sd-logging) parameters or with a file on the SD card.
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Details on configuration can be found in the [logging configuration documentation](../dev_log/logging.md#configuration).
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## Key Links
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- [Flight Review](http://logs.px4.io)
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- [Log Analysis using Flight Review](../log/flight_review.md)
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- [Flight Log Analysis](../dev_log/flight_log_analysis.md)
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