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Arun Mathamkode

Last seen: 2 days ago Active since 2017

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  • 3 Month Streak
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Answered
Hardware in Loop Simulation with Pixhawk
PX4 Autopilot in Hardware-in-the-Loop (HITL) Simulation with UAV Dynamics in Simulink is supported from R2022a. Please refer thi...

2 months ago | 0

Answered
Enable MAVLINK on a port other than /dev/ttyACM0 in px4 support package
PX4 HITL support is available from R2021b (Example Link), and I would highly recommend using R2021b for trying HITL. If you are ...

2 months ago | 0

Answered
Termination error when using Mavlink blocks for PX4
Based on my understanding, using MAVlink blocks in Pixhawk is not a logical usecase. PX4 already have 'mavlink' module which can...

2 months ago | 0

Answered
Is there any other drone like the Parrot mini drone to try and test using MATLAB?
You can have a look at the MATLAB support for Ryze Tello drones. With this support package you can send commands to the drone co...

5 months ago | 0

Answered
Is the Flight Controller Pixhawk 3 Pro is supported in "Embedded Coder Support Package for PX4 Autopilots" ?
Although, Pixhawk 3 Pro is not supported officially, you can always use 'Pixhawk Series' as the target hardware to deploy code i...

5 months ago | 0

Answered
read mavlink from Pixhawk in simulink UAV toolbox
I assume you are using the Serial recieve block from ICT toolbox. Probably the trick is in choosing the right baudrate, sameplet...

6 months ago | 0

Answered
I can't solve errors from output error status of creating PWM signal(example of Embedded coder support package for PX4 autopilot)
As per your discription the issue is resolved after caliberating the RC transmitter. I am just reposting it as an answer so that...

6 months ago | 0

Answered
PX4 PIL error: configured for external mode which is not supported
I think this might be due to a wrong active configuration set in the model. Navigate to the 'Model Explorer' and see what is the...

6 months ago | 0

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Answered
Adding header and terminator to PX4 serial receive block
PX4 Serial read and write blocks enables basic data write and read through Pixhwak serial interface. Although, the header and te...

6 months ago | 0

Answered
UAV toolbox support package for PX4: Calibration slow due to custom flight algorithm
To confirm whether the custom app from Simulink (px4_simulink_app) is causing the slowness in calibration, you can try stopping ...

6 months ago | 0

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Answered
My pixhawk hardware(pixhawk1) does not connect when rc.txt is in SD card.
Enabling MAVLink over Pixhawk USB will ensure the connectivity with QGC. Refer to this documentation.

7 months ago | 0

Answered
Can we decode MAVlink protocol on matlab?
You can consider using mavlinkio.

7 months ago | 0

Answered
Hardware board PX4 Pixhawk 4
Make sure that you chosse Pixhawk 4 in Simulink model configuration settings as well ( Model Settings -> Hardware Implementation...

7 months ago | 0

Answered
Connecting jetson nano with Pixhawk
As per the error message it look like there is problem with UDP socket creation itself. Makesure that the IP Address entered are...

7 months ago | 0

Answered
PX4 Toolbox "how to start" - Log in SD Card.
I found this video very helpful in setting up and getting started with the supportpackage.

7 months ago | 0

Answered
Possibility to connect an external sensor instead of an internal sensor and getting access to that sensor in the model for "Embedded Coder Support Package for PX4 Autopilot" ]
I found this documentation page very helpful in setting up the Pixhawk in HITL mode. You can consider looking at the ' Follow Mi...

7 months ago | 0

Answered
How can I block internal sensor access in a PX4 Autopilot inside Pixhawk since dedicated support package ?
I found this documentation page very helpful in setting up the Pixhawk in HITL mode. You can consider looking at the ' Follow Mi...

7 months ago | 0

Answered
Erro in PX4 Autopilots Examples
Makesure that you have selected the required hardware during the Hardware setup screens. If you are using 'Pixhawk 1', you can ...

7 months ago | 0

Answered
drone simulation using pixhawk flight controller
If you are looking for designing flight controllers in Simulink and deploying it into Pixhawk targets, UAV Support Package for P...

7 months ago | 0

Answered
Hardware in Loop Simulation with pixhawk board using Embedded Coder for Px4 toolboxes : The base rate of the Simulink model 0 millisecond is less than 1 millisecond
I agree with Purav's suggestion. Please makesure that the base sampletime of your model is greater or equal to 1 millisecond.

7 months ago | 0

Answered
rtk gps support in pixhawk-simulink toolbox
As per the block description, PX4 GPS Simulink block uses the ''vehicle_gps_position' uORB topic to read GPS value. So if the '...

7 months ago | 0

Answered
Difficulty foor running a class
As Walter Roberson pointed out, please make sure that you store the classdef in a separate file with the same name as the class ...

3 years ago | 0

Answered
how to get the gradient of fucntion from vectors to scalars by matlab?
I assume you are referring to the gradient of L2 norm squared. You can directly apply the closed form expression of the gradient...

3 years ago | 0

Answered
How to resample continuous random variables based on a 2D probability density function
I believe the <http://www.mathworks.com/help/stats/randsample.html randsample> function will be helpful to you. You can use the ...

3 years ago | 0

Answered
Tire model with dynamic rolling radius
What do you mean by dynamic rolling radius? Do you want to change it during simulation runtime? As per the documentation, the d...

4 years ago | 0

Answered
How to resize a 3D image into a 4D image to use in montage?
There are different ways to pass a set of images as input to <https://www.mathworks.com/help/images/ref/montage.html montage> fu...

4 years ago | 0

Answered
How to plot multiple values of a variable in one graph?
I believe you want to plot the maximum value for each graph against the index file. You can simply store maximum values in |l| a...

4 years ago | 0

Answered
How can I register a series of images stored in an array with imregister?
You need not loop through individual pixels for image registration. Since image registration is a global transform, you can dire...

4 years ago | 0

Answered
How do I find pixel intensity in ROI and color based on intensity?
If you want the community to understand your code and help you, you may need to provide bit more details about your code and you...

4 years ago | 0

Answered
How to create exe file and use with MATLAB installed?
You need to launch MATLAB for running .m files. You can use <https://www.mathworks.com/help/compiler/index.html MATLAB compiler>...

4 years ago | 1

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