New Crowdin translations - zh-CN (#26248)

Co-authored-by: Crowdin Bot <support+bot@crowdin.com>
2026-10-03 12:38:54 +08:00 · 2026-01-28 16:43:18 +11:00
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+# Asset Tracking
+
+<Badge type="tip" text="main (planned for: PX4 v1.18)" />
+
+PX4 can track and log detailed information about external hardware devices connected to the flight controller.
+This enables unique identification of vehicle parts throughout their operational lifetime using device IDs, serial numbers, and version information.
+
+:::info
+Asset tracking is currently implemented for [DroneCAN](../dronecan/index.md) devices only.
+:::
+
+## 综述
+
+Asset tracking allows you to determine exactly which hardware is installed on a vehicle, providing serial number, version, and other information.
+This makes it easier to track and maintain specific vehicle parts across multiple vehicles, to quickly see what versions you're running when debugging, and log component information for regulatory audits.
+
+Asset tracking automatically collects and logs the following metadata from external devices:
+
+- **Device identification**: Vendor name, model name, device type
+- **Version information**: Firmware version, hardware version
+- **Unique identifiers**: Serial number, device ID
+- **Device capabilities**: ESC, GPS, magnetometer, barometer, etc.
+
+This information is published via the [`device_information`](../msg_docs/DeviceInformation.md) uORB topic and logged to flight logs.
+This enables fleet management, maintenance tracking, and troubleshooting.
+
+## Viewing Device Information
+
+### Real-Time Monitoring
+
+You can view device information in real-time using the [MAVLink Shell](../debug/mavlink_shell.md) or console:
+
+```sh
+listener device_information
+```
+
+Example output for a CAN GPS module:
+
+```plain
+TOPIC: device_information
+ device_information
+    timestamp: 16258961403 (0.216525 seconds ago)
+    device_id: 8944643 (Type: 0x88, UAVCAN:0 (0x7C))
+    device_type: 5
+    vendor_name: "cubepilot"
+    model_name: "here4"
+    firmware_version: "1.14.3006590"
+    hardware_version: "4.19"
+    serial_number: "1c00410018513331"
+```
+
+Device information is published in a round-robin fashion for each detected device, at a rate of approximately 1 Hz.
+
+### Multi-Capability Devices
+
+Devices with multiple sensors (e.g., a CAN GPS/magnetometer combo module like the HERE4) register separate device information entries for each capability.
+Each entry shares the same serial number and base metadata but has a different `device_id` corresponding to the specific sensor capability.
+
+## 飞行日志分析
+
+Device information is automatically logged to flight logs.
+You can extract it using [pyulog](../log/flight_log_analysis.md#pyulog), though note that fields like vendor name, model name, and serial number are stored as `char` arrays and require additional parsing.
+
+## 另见
+
+- [CAN (DroneCAN & Cyphal)](../can/index.md) — CAN bus configuration and setup
+- [DroneCAN](../dronecan/index.md) — DroneCAN-specific documentation
+- [Flight Log Analysis](../log/flight_log_analysis.md) — Flight log analysis