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Jianxin Sun

Last seen: 1 giorno ago |  Active since 2020

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  • Knowledgeable Level 3
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  • 6 Month Streak
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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...

23 giorni 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...

circa 2 mesi 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-...

3 mesi 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 ...

3 mesi 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...

4 mesi 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.

4 mesi 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) >=...

7 mesi 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...

7 mesi 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 ...

7 mesi 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...

7 mesi 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 ...

8 mesi 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...

8 mesi 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...

8 mesi 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...

8 mesi 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...

8 mesi 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...

10 mesi 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...

12 mesi 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...

circa un anno 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...

oltre un anno 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...

oltre un anno ago | 0

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

oltre un anno 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...

oltre un anno 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 ...

oltre un anno 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...

oltre un anno 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

oltre un anno ago | 0

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Answered
How to change waypoints while running the simulation model when using UAV toolbox(Path Manager)?
Hi Shichen, Mission data is loaded in "uavPackageDelivery/Ground Control Station/Get Flight Mission/noQGC" subsystem when model...

oltre un anno ago | 1

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Answered
Usage of INS, GPS sensors and trajectories in 3D Unreal Engine Scenario (UAV Toolbox)
Hi Felix, For GPS sensor in Simulink, currently there is no out of box blocks for it. But you can create a MATLAB function bloc...

oltre un anno ago | 0

Answered
UAV Toolbox Guidance Model block has mask callback that modifies model at compile time, which prohibits multi-instance model reference
Hi Zhang, Thanks for bringing up this issue. You can try a few workarounds: You can change the model reference block's simulat...

oltre un anno ago | 0

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Answered
Feature Request: UAV Animation block, https://www.mathworks.com/help/uav/ref/uavanimation.html
Hi Yingao, Thank you for your interest in this feature. This is something our development team is aware of and is considering. ...

oltre un anno ago | 0

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Answered
Customize Simulation 3D UAV Vehicle
Hi Benjamin, Thank you for your interest in this UAV Vehicle customization feature. This is something our development team is a...

oltre un anno ago | 0

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