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Jianxin Sun

Last seen: en dag ago Active since 2020

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  • 6 Month Streak
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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...

7 dagar 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...

23 dagar 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...

ungefär en månad 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...

ungefär 2 månader 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...

ungefär 2 månader ago | 0

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...

3 månader 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...

4 månader ago | 0

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-...

5 månader 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 ...

5 månader 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...

6 månader 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.

6 månader 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) >=...

9 månader ago | 0

Answered
Is it possible to add occupaied property to mesh in an uavScenario object?
Hi Massimo, The uavScenario currently doesn't support conversion to binary occupancy map. Thus the IsBinaryOccupied input is no...

9 månader ago | 0

Answered
When I used my customize state space to perform navigation,the following errors occurs:
Based on your error message, it seems that at line 109 of your code myCustomUAVStateSpace, you assigned a scalar instead of the ...

9 månader ago | 0

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Answered
I want to custom my statespace like the example"Motion Planning with RRT for Fixed-Wing UAV",but the following error occurs"Abstract classes cannot be instantiated."
Hi Wenjun, The error you received is about missing implmenetation in your state space class. In this example, the UAV state s...

9 månader ago | 0

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Answered
How can replace default controller parts of PX4 with custom algorithms controller?
Hi SeungWoo, You can use the support package to replace the PX4 controller only. Please refer to the "integration with general ...

10 månader ago | 0

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Answered
HITL example of 'UAV Toolbox Support Package for PX4 Autopilots' is disabled
Hi SeungWoo, Have you ran the openExample('px4/FollowSetOfWaypointsQGCHITLSimulationExample') first in the command line? It w...

10 månader ago | 0

Answered
Using Point Cloud from a Lidar Bloc
Hi Gaetan, For your first question, Simulation 3D Lidar block returns two types of information. By default it outputs the point...

10 månader ago | 0

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Answered
How to modify mission in QGC while avoiding obstacles in a photorealistic simulation environment
Hi Robert, Currently the guidance logic in this example is set to track the 2nd waypoint user specified in the mission when per...

10 månader ago | 0

Answered
How to use 6DOF Plant Model while flying obstacle avoidance in a photorealistic simulation environment?
Hi Robert, After you used the "add high fidelity plant" short cut, you can use the following parameters: useQGC = 1 % takes mi...

10 månader ago | 0

Answered
How to modify dubins statespace for 3d Maps?
Hi, The following example https://www.mathworks.com/help/uav/ug/motion-planning-with-rrt-for-fixed-wing-uav.html might help you...

12 månader ago | 1

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Answered
control the Gimbal orientation
Hi, Ulrich, You can use "Simulation 3D Camera" block to achieve this effect. https://www.mathworks.com/help/uav/ref/simulation3...

ungefär ett år ago | 0

Answered
Unable to load .ulg when using Flight Log Analyzer from UAV toolbox
Thank you for bringing this issue to our attention. Our development team is closely reviewing this issue and considering solutio...

mer än ett år ago | 2

Answered
Control UAV in Gazebo With Simulink
Set motor joint velocity will rotate the rotors but that will not generate lift since Gazebo is not simulating aerodynamices. Yo...

mer än ett år ago | 1

Answered
Is there a way to create a Dubins path given a set of waypoints?
The connect method of uavDubinsConnection can accept pairs of start and goal poses. Assume your waypoints are defined as a Nx4 m...

mer än ett år ago | 0

Answered
Mathematical Model used in UAV toolbox
Math behind UAV Guidance Models: multirotor fixedwing

mer än ett år ago | 1

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Answered
Modify Simulation 3D UAV Vehicle block
Hi Victoria, Thank you for your interest in this feature. This is something our development team is aware of and is considering...

mer än ett år ago | 0

Answered
What is Lookahead Distance?
Hi Shubham, The lookahead distance determines how far ahead the target location would be for the UAV along the path defined by ...

mer än ett år ago | 0

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Answered
Get an error when changing the baseMission waypoint in "Example:UAV Package Delivery"
Hi Wenhan, Can you clarify how you changed the waypoints in "noQGC/baseMission" block? You should be able to update the waypoin...

mer än ett år ago | 1

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Answered
Is it possible to simulate State Space model using live inputs coming from Gazebo environment?
Hi, Have you considered using https://www.mathworks.com/help/simulink/slref/statespace.html from Simulink? Thanks, Jianxin

mer än ett år ago | 0

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