Implement simple HITL simulation PX4

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Paolo on 10 Oct 2022
Hello, I'm trying to understand how to implement a simple HITL simulation using PX4 and UAV Toolbox Support Package for PX4 Autopilots. In particular I want to run the example Position Tracking for X-Configuration Quadcopter - MATLAB & Simulink Example - MathWorks Italia but instead of having a PX4 Host Target as hardware board I have a Pixracer R15. Is this possible?
If this isn't possible how can I implement a HITL simulation by specify with Simulink the reference trajectories for my quadcopter instead of usign QGroundControl and specify a simple trajectory to follow?
Thanks in advance.

Answers (1)

Arun Mathamkode
Arun Mathamkode on 11 Oct 2022
Specifying simple setpoints from Simulink is implemented in HITL with Simulink plant example. In the model 'Quadcopter_ControllerWithNavigation' open the Navigation subsystem. Different navigation logics are implemented here including the one with specifying setpoints from Simulink using variant subsystem.
Enable the 'Manual Waypoints from Simulink Dashboard' subsystem by assigning guidanceType = 2. Now the controller will read setpoints from Simulink instead of QGC.
MathWorks Embedded Coder Team
Is HITL selected in HardwareSettings > Hardware Implementation > Target Hardware Resources > HITL? Are you using Model references?

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