Search found 4 matches

by vpaesmans
Wed Dec 21, 2016 3:28 pm
Forum: Loco Positioning System
Topic: DWM Calibration
Replies: 1
Views: 2827

DWM Calibration

Hello. Do you plan to have pre calibrated deck and nodes? I noticed that the default antenna offset in the code is not correct and seems DWM1000 dependent. If I place one deck close to 1 node, I get a distance of -0.9. The offset in the code does not seems to be in meter when I change it to of a goo...
by vpaesmans
Wed Dec 21, 2016 11:41 am
Forum: Loco Positioning System
Topic: Dancing Crazyflies
Replies: 8
Views: 9077

Re: Dancing Crazyflies

Hello Arnaud. I found the source of the problem as I still have crazyfiles bouncing on the walls. It's radio related. I just check using rostopic echo /crazyflie/log_ranges and when moving the crazyflie by hand in the scene, depending on distance and relative antenna orientation I have measurement n...
by vpaesmans
Tue Dec 20, 2016 2:35 pm
Forum: Loco Positioning System
Topic: Dancing Crazyflies
Replies: 8
Views: 9077

Re: Dancing Crazyflies

Hello Arnaud. Thanks for your help. As you see in the topic change, the drones are dancing now... I used another crazyflie and turned the anchors to the center and I get better stabilization and can now control them. Just have to get used to ROS. I tested with both TDoA and TWR with addressing start...
by vpaesmans
Wed Dec 14, 2016 7:36 pm
Forum: Loco Positioning System
Topic: Dancing Crazyflies
Replies: 8
Views: 9077

Dancing Crazyflies

Hello. I am banging my head on the wall like my crazyflies ;) but I fail to make it run. I use 6 anchors at the following positions ( note the anchors are more than 1m from the walls ). anchor0_pos: [ 0.0, 0.0, 2.25] anchor1_pos: [ 2.5, 0.0, 0.10] anchor2_pos: [ 5.0, 0.0, 2.25] anchor3_pos: [ 5.0, 4...