Arun Mathamkode

Last seen: Today | Active since 2017

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Answered
PX4 SITL with Simulink based Plant Model
Depends on when the plant and controller start running there can be an offset between controller and plant. And as per the curre...

2 months ago | 0

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Answered
Monitor and Tune PX4 Host Target Flight Controller with Simulink-Based Plant Model: Mismatched TCP Node
As per the documentation you need to run the Plant model first and then run the Controller model in another instance of MATLAB (...

2 months ago | 0

Answered
User-defined PX4 uORB messages
Custom uORB messages are not supported with Connected I/O currently. You can consider using the Monitor and Tune Simulation inst...

3 months ago | 0

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Answered
UAV Toolbox support package for PX4 Autopilots- Host target simulation
The controller and plant are in lock step simulation by default. What this means is that PX4 controller and the plant wait on e...

3 months ago | 0

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Answered
rror copying generated code into Pixhawk firmware directory. Delete the files in the folder C:\PX4\home\Firmware\src\modules\px4_simulink_app manually and try building again.
As the error messages says, Delete the files in the folder C:\PX4\home\Firmware\src\modules\px4_simulink_app manually and try b...

3 months ago | 0

Answered
px4 RAM and flash overflow occur
Yeah for the flash issue, you can consider removing modules. For example, if you are working with a multi-copter, you can consid...

4 months ago | 1

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Answered
Pushing a custom simulink UAV model to px4.
As per your initial question, I understand that you want to deploy the custom controller on a PX4 autopilot for a real flight te...

5 months ago | 1

Answered
How to performe simulation SITL with Gazebo using PX4 Autopilots Support from UAV Toolbox? ERROR displayed
Can you verify that the SITL and jMAVSim are launched without any errors on your machine? We have seen Java dependency issues wi...

5 months ago | 0

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Answered
PX4 Supported package - Why Simulink SITL use uORB ground truth?
You should be able to use vehicle_local_position instead of vehicle_local_position_groundtruth as well. I would recommend you tr...

5 months ago | 0

Answered
Position Tracking for X-Configuration Quadcopter error in accel and gyro sensors
The error you are getting looks like an issue of connectivity between the plant (jMAVSim) and the PX4 Host Target. The plant sho...

6 months ago | 0

Answered
PX4 building on MATLAB on Windows
Pixhawk 3DR flight controller has been discontinued and is no longer commercially available. You can use the mRo Pixhawk instead...

7 months ago | 0

Answered
Simulink Pixhawk 1 Build Error: "MW_target_hardware_resources.h": No such file or directory
I would encourage you to use MATLAB R2022b version instead of the below workaround. From MATLAB R2022b PX4 v1.12.3 is supported...

7 months ago | 1

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Answered
Pixhawk 6X / 5X / 6C support by Simulink
Flash overflow issues are seen with Pixhawk 6x during deployment, to resolve this you can consider manually removing unused modu...

7 months ago | 2

Answered
Is it possible to use the pixhawk 6x with the "UAV toolbox support package for PX4 autopilot"?
You can choose the 'PX4 Pixhawk Series' as the hardware board. Please ensure that you have completed the Hardware Setup screens ...

7 months ago | 0

Answered
PX4 Autopilot in Hardware-in-the-Loop (HITL) Simulation with UAV Dynamics in Simulink
Micro SD card is required for mission upload. Please insert a supported micro SD card to the Pixhawk 4 board. I can see that the...

8 months ago | 0

Answered
Simulink-PX4: Difference between R2022a R2022b (same simulink model does not work in R2022b)
Connected I/O Simulation is not ideally designed for running controller kind of models where the model needs to run at a much hi...

8 months ago | 1

Answered
UAV Toolbox Support Package for PX4 Autopilots - px4_simulink_app module
The modules you are adding to the rc.txt will be started after the board bootup, irrespective of whether you have connected QGro...

8 months ago | 0

Answered
How to upload MATLAB PX4 Autopilot HITL example in real quadrotor UAV?
Deploying for actual flight and HITL is not much different with respect to the Simulink Workflow. For actual flight you might ne...

9 months ago | 0

Answered
UAV Toolbox Support Package for PX4 Autopilots - Pixhawk 4 Flight Experiment
Only controller is replaced from Simulink and MAVLink module is untouched. I am not convinced from this description that the No ...

9 months ago | 0

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Answered
Understand EKF with SITL/HITL simulation with PX4
The SITL and HITL example you have mentioned is based on replacing the PX4 controller with the controller designed in Simulink. ...

9 months ago | 0

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Answered
Why do I get XCP internal error: timeout expired?
TELEM1 serial port are fundamentally designed for MAVLink communication and by default MAVLink is enabled in this port. You can ...

9 months ago | 0

Answered
UAV Toolbox Support Package for PX4 Autopilots - Pixhawk 4 Flight preparation
As per my understanding there are no specific steps other than what you did to deploy code for an actual flight. I can provide ...

9 months ago | 1

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Answered
Deployment of Simulink designed controller to Pixhawk Cube Orange
Even for the HITL Simulation the Simulink based cotroller will be deployed to the Pixhawk/Cube Orange Hardware. There are not mu...

10 months ago | 0

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Answered
PX4 log strange value, ~1.MAT
This might be because of MS Windows shortening the file name. You can consider giving it a try with shorter model names or manua...

10 months ago | 1

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Answered
Having Issues Flashing PX4 on Bitcraze Crazyflie 2.1 with Custom rc File
I just went through the Bitcraze Crazyflie 2.1 PX4 documentation. Since you are facing the issue with flashing firmware, I doubt...

11 months ago | 0

Answered
UAV Toolbox Support Package for PX4 Autopilots-finish upload firmware
You can refer to the PX4 documentation to understand these status LED's and their meaning.

11 months ago | 0

Answered
Unable to run example PX4 in Hardware-in-the-Loop (HITL) Simulation with jMAVSim Simulator
MAVLink is enabled by default over TELEM1 (I am assuming /dev/tty/S1 is TELEM1 in your case) for QGC connectivity. This can caus...

12 months ago | 0

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Answered
Implement simple HITL simulation PX4
Specifying simple setpoints from Simulink is implemented in HITL with Simulink plant example. In the model 'Quadcopter_Control...

12 months ago | 1

Answered
Pixhawk 6X / 5X / 6C support by Simulink
Even though some of the Pixhawk standard boards are not among the officially supported boards from PX4 support package, There ar...

1 year ago | 0

Answered
A HITL example of UAVtoolbox support package for PX4 autopilots has problem
Ensure that you are running the Simulink plant and visualization model on separate MATLAB instances. Simulink plant running clos...

1 year ago | 0

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