Flight Log Analysis
UAV flight logs contain large amounts of data with varying formats. The flight log
analysis objects of UAV Toolbox support different flight log file formats including TLOG, ULOG,
ArduPilot® log, and custom log file types. To extract and map signals from a
telemetry log for generating plots, use the flightLogSignalMapping object. To analyze a log file and create a customized
series of plots, use the Flight Log Analyzer
app.
Apps
| Flight Log Analyzer | Analyze UAV autopilot flight logs (Since R2020b) |
Objects
flightLogSignalMapping | Visualize UAV flight logs (Since R2020b) |
mavlinktlog | Read MAVLink message from TLOG file |
ulogreader | Read messages from ULOG file (Since R2020b) |
ardupilotreader | Read ArduPilot log file (Since R2024a) |
Featured Examples
Visualize and Play Back MAVLink Flight Log
Load a telemetry log (TLOG) containing MAVLink packets into MATLAB®. Details of the messages are extracted for plotting. Then, to simulate the flight again, the messages are republished over the MAVLink communication interface. This publishing mimics an unmanned aerial vehicle (UAV) executing the flight recorded in the tlog.
Visualize Custom Flight Log
Configure the flightLogSignalMapping object to visualize data from a custom flight log.
Flight Instrument Gauge Visualization for Drone
Import and visualize a drone flight log using 3-D animations and flight instrument gauges. This example obtains a high level overview of flight performance in MATLAB® using Flight Instruments functions in Aerospace Toolbox™. Then, to view signals in a custom interface in Simulink® , the example uses the Flight Instruments blocks from Aerospace Blockset™
Analyze UAV Autopilot Flight Log Using Flight Log Analyzer
Import flight log data, create figures and plots, export signals, and use custom signal mapping in the Flight Log Analyzer app.
Aerodynamic Parameter Estimation Using Flight Log Data
Estimate plant dynamics of your UAV from flight log data.
Add Custom Functions in Flight Log Analyzer App to Detect Region of Interest for Analysis
Create and add custom functions in the Flight Log Analyzer app to detect a specific region or point of interest for further analysis. These functions can be useful when analyzing several log files or a single large log file.
Validate Multirotor UAV Model by Playing Back Flight Log in Simulink
Validate a UAV attitude controller and plant model using a flight log collected by the UAV from a test flight. You can use the validated controller and plant model to design higher order navigation controllers, and tune the attitude controller to handle different UAV payload weights. You can also use this model as a baseline to redesign controller architecture. For example, you could use it to replace PID control with model predictive control (MPC).
