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inkyusa avatar inkyusa commented on August 13, 2024

Hello wqwanghanzhang,
Sorry for delayed response.
For the first question,

1.about "Dynamic System Identification (via VirtualRC)". I found some information from issues that it has been Deprecated since last year and I won't use the Logitec Gamepad F710 to control the M100 any more, because you use attitude thrust to replace z velocity.(#21).
so my first question is:should I use the DJI's remote control to control the M100 or others like keyboard?

In case your drone keeps the similar configuration what we used (intel nuc and vi-sensor center mounted), you can test with the same parameters. Could you tell more about your drone configuration?

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wqwanghanzhang avatar wqwanghanzhang commented on August 13, 2024

Hi,@inkyusa
I'm very happy for your reply!
yes,I'll tell you all about my configuration.
And,this fly drift problem has troubled me so long time ,and I can't handle it by myself.
first, about hardware,I use the GIGABYTE BRIXs series mini pc as the
NUC(Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz),
and the memory is 8G,
the harddisk information is like this: [2:0:0:0] disk ATA LITEON V5G+ 128 304 /dev/sda ,
the vi sensor is realsense zr300,
DJI Matrice 100(Firmware version:V1.3.1.00),
and the FTDI converter is the same as you.
as for the software,I added the catkin_simple,cuckoo_time_translator,eigen_catkin,
eigen_checks,ethzasl_msf,geodetic_utils,gflags_catkin,glog_catkin,kindr,maplab_realsense,mav_common,mav_control_rw,mav_dji_ros_interface,mav_trajectory_generation,nlopt,realsense,rovio,waypoint_navigator (total: 18 packages) to the catkin.and I made the same configuration in the parameters of DJI assistant2 as you.but It's wired that each time when I finished the simulation test on assistant2,the parameters will be reset to another thing. I think it has connection with the parameters in dji_interface_params.yaml,because I tried to change some parameters in this yams,and after simulation, it will be reset to the parameters as I changed.but I don't know if it has connection with the second question above.
And I will check this issue page every day .when you reply me,I would reply you in time.
thank you so much!

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inkyusa avatar inkyusa commented on August 13, 2024

Hello wqwanghanzhang,
Sorry for delayed reply.
Yes, we configure the DJI autopilot setting as we want (please have a look

private_nh_.param<int>("imu_update_rate", imu_update_rate, DJI::onboardSDK::BROADCAST_FREQ_100HZ);
and https://github.com/ethz-asl/mav_dji_ros_interface/blob/951df2853cffc438726ea6be2c4308f3dbf9b099/dji_interface/cfg/params.yaml).
We found that there is some RS232 bandwidth issue in communicating between N1 (M100 autopilot) and NUC (a computer) so that these parameter setup were tuned for working properly.
Hope this help, best

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