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Jianxin Sun

Last seen: 4 days ago |  Active since 2020

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i am recieving an error when changing from multirotor to fixed wing for uav guidance block in uavpackage delivery example
You can refer to https://www.mathworks.com/help/uav/ug/tuning-waypoint-follower-for-fixed-wing.html for more details on how to c...

8 months ago | 1

Answered
The variables meanning of thrust model in "UAVFidelityExample'
You can refer to the engine model described in AUTONOMOUS LANDING SYSTEM FOR A UAV by Mariano I. Lizarraga

8 months ago | 0

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Answered
what method to use for hexacopter simulation?
Hi Eymen, The following blocks might be helpful if you would like to model a hexacopter: https://www.mathworks.com/help/aerobl...

8 months ago | 0

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Simulation 3D Camera gimbal in UAV Toolbox
Hi Arnau, You can refer to the Simulation 3D Camera documentation https://www.mathworks.com/help/uav/ref/simulation3dcamera.htm...

10 months ago | 0

Answered
How to change the altitude in UAV Package Delivery Example?
The buildings in US City Block has finite height. You can increase your flight altitude in simulation to 150, which should put y...

12 months ago | 0

Answered
How to add building from OSM file into UAV scenario designer
Hi, can you check what is the reference location of your scenario? It should be set to within the latitude longitude ranges show...

1 year ago | 1

Answered
Spiral motion simulation in Simulink
Hi Josh, To generate a circular motion, you can try the following: In the initial state of 6 DOF block, set it so that it has ...

1 year ago | 0

Answered
How to change UAV model to one selfmade
Hi, For Unreal Based Simulation, you can follow the custom actor workflow detailed in https://www.mathworks.com/help/uav/ug/pre...

1 year ago | 0

Answered
Is there a way to simulate multiple uav in same unreal engine environment with different mission plan?
Hi Abhishek, you can use multiple Simulation 3D UAV blocks to add multiple UAVs into Unreal environment. You can use multiple UA...

1 year ago | 0

Answered
code for UAV communication simulation
Hi, You can start with MAVLink protocol https://www.mathworks.com/help/uav/mavlink-support.html. It is a protocol used by PX4 a...

1 year ago | 0

Answered
Cannot add 'custom' model with addMesh() as the only two options are 'polygon' and 'cylinder'
Starting from R2021a, user can use stlread to import stl files into MATLAB and use addMesh custom option to add the model into u...

1 year ago | 0

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Answered
How to perform Obstacle Avoidance simulation with multiple waypoints using UAV Package Delivery and QGroundControl?
A similar question is answered in https://www.mathworks.com/matlabcentral/answers/1905201-uavpathmanagerbus-issue-in-the-3d-obst...

1 year ago | 0

Answered
LiDAR integration in UAV simulation in Simscape Multibody
Hi Hoang, There is no direct way to transfer models from Simscape into Unreal editor. But if you already have CAD models, you c...

1 year ago | 0

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Answered
UAVPathManagerBus issue in the 3D Obstacle Avoidance UAV Package delivery
Hi Tudor, I gave it a try to combine uavPackageDelivery/Multirotor (MultirotorModel)/Guidance Logic/Full Guidance Logic and th...

2 years ago | 0

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Answered
Comparison between different graphical simulation methods in Simulink
Hi Hoang, The following documentation should help you get started with customizing the Unreal scene and UAV: Scene customizati...

2 years ago | 0

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Answered
Scenario for UE4 UAV toolbox
There are two options: https://www.mathworks.com/help/uav/ug/customize-3d-scenes-for-automated-driving.html shows how to connec...

2 years ago | 1

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Answered
UAV Package Delivery Obstacle Avoidance issue
Hi Tudor, Here are a couple examples that might help you: https://www.mathworks.com/help/uav/ug/uav-obstacle-avoidance-in-simu...

2 years ago | 0

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Answered
How can I receive a Mavlink message through a UDP connection and read it separately and perform convert on it?
You'll need to create a function to process the payload: subscriber = mavlinksub(receiver,'GIMBAL_DEVICE_ATTITUDE_STATUS',... ...

2 years ago | 1

Answered
How can I detect in UAV scenario not only static meshes?
Hi Julian, The UAV Scenario Lidar works on platform as well. It might be the mounting location and mounting angle configuration...

2 years ago | 1

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Answered
How to change the parameters in the Quadrotor Plant for a different UAV mass?
Hi, Instead of changing the PD gains on the block, you should increase the commanded thrust to drive a heavier UAV. For example...

2 years ago | 0

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Answered
Why do i get this error STD exception 'class std::runtime_error': 'Failed to load bundle #876: C:\Program Files\MATLAB\R2022b\bin\win64\libmwgstreamerbuiltins.dll' was caught.
Hi Rahul, For the libmwgstreamerbuiltins.dll error, you can reach out to MATLAB tech support for further help (https://www.math...

2 years ago | 0

Answered
Send MAVLink command with MATLAB
Hi Paolo, First the mavlink message needs to be refined: For arm UAV: cmd = dialect.createcmd("LONG", "MAV_CMD_CO...

2 years ago | 0

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Answered
Develop PX4 custom controller without QGroundControl
Hi Paolo, There are two HITL examples related to your application: https://www.mathworks.com/help/supportpkg/px4/ref/hitl-simu...

2 years ago | 1

Answered
How can I simulate a swarm of drones based on sensor input other that lidar
Hi William, Can the uavPlatform object be used to simulate a variable number of drones? A: You can put any number of drone...

2 years ago | 0

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Answered
UAV Toolbox Support Package for PX4 Autopilots : Simulink FlightController Build Failed
Hi, I assume you are trying out the following example: https://www.mathworks.com/help/supportpkg/px4/ref/simulator-plant-model...

2 years ago | 0

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Answered
visual navigation of a satellite during landing on the moon , creation of the lunar scenario and visualization via unreal engine
Hi Simone, You can create and use Unreal scene for Simulink following steps in https://www.mathworks.com/help/uav/ug/customize-...

2 years ago | 1

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Answered
How do I 'connect' to a COM port when using mavlinkio 'connect' , only UDP port is documented
Hi Philip, Serial port connection is not supported out of box. You could use serialport object to exchange binary data and use ...

2 years ago | 0

Answered
i am planning a rrt path using fixed wing uav state space, i want a smooth path can anyone tell what values of parameters to tweek?
The kinematic model used by Dubins path determines the turn radius using following equation based on coordinated flight conditio...

2 years ago | 0

Answered
I am getting a 3d path using rrt in Se3 statespace ,i ant to smoothen this path how can i do this?
https://www.mathworks.com/help/uav/ug/motion-planning-with-rrt-for-fixed-wing-uav.html may help you.

2 years ago | 0

Answered
uav package delivery example: question about stateflow chart "Guidance mode selector"
Hi Sander, The Pose(3) is the z value of the UAV pose in NED frame, meaning that Pose(3) is -altitude. The condition Pose(3) >=...

2 years ago | 0

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