Stijn Debecker
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Stijn Debecker's Discussions

Alt drop loiter_turns

Started this discussion. Last reply by Stijn Debecker Apr 8, 2016. 4 Replies

While flying several circles with different radius (in Auto_mode with the command loiter_turns) my vehicle starts losing altitude when it has a speed of 10 m/s. The first idea was that this was…Continue

I2C splitter problem

Started this discussion. Last reply by Kyomo Jung Feb 8, 2016. 3 Replies

I'm using an I2C splitter to connect more sensors on my pixhawk. When I only connect my external compass to the I2C splitter Mission Planner gives no error. When I connect my optical flow sensor,…Continue

 

Stijn Debecker's Page

Latest Activity

Stijn Debecker commented on Bart Theys's blog post Meet CargoCopter: our latest generation of high-speed, long-range drones
"@Hugues, We are only using Septentrio RTK for the moment but we are also working on a visual sensor. @Darrell, If it fits in our schedule we are definitely joining the Outback Challenge :-). "
May 31
Alexey Dobrovolskiy commented on Stijn Debecker's blog post RTK GPS based landing: test results
"As I remember all parameters were default. We used RTK GPS instead of standard receiver."
Jan 20
Stijn Debecker commented on Stijn Debecker's blog post RTK GPS based landing: test results
"@Alexey: Did you changed the EKF default parameter values while you were testing with the RTK GPS? "
Jan 20
Alexey Dobrovolskiy commented on Stijn Debecker's blog post RTK GPS based landing: test results
"Some time ago we published here our results of similar tests - http://diydrones.com/profiles/blogs/group-flights-of-drones-with-rtk-gps-and-real-life-precision-of Precision in RTK mode was almost the same."
Jan 20
Ben Yahr commented on Stijn Debecker's blog post RTK GPS based landing: test results
"Thanks for posting.  I'd definitely be interested in a comparison to the cheaper L1 only options."
Jan 17
Stijn Debecker commented on Stijn Debecker's blog post RTK GPS based landing: test results
"Indeed, the gps device from Septentrio. It's linked to the pixhawk by a serial connection. Configuration in Missionplanner: - gps driver : SBF - correction data is send to the TCP port by datalink (software provided by Septentrio) and linked to…"
Jan 17

MR60
Hugues commented on Stijn Debecker's blog post RTK GPS based landing: test results
"Ah I found it, septentrio device, of course (stupid question of me). Also Stijn, can we test your septentrio device on a fixed wing ? Please PM me if interested."
Jan 17

MR60
Hugues commented on Stijn Debecker's blog post RTK GPS based landing: test results
"Nice experiment. Can you share technically what is the RTK GPS you used and how it is linked to Pixhawk and configured ?"
Jan 17
Stijn Debecker posted a blog post

RTK GPS based landing: test results

Lately, a lot of companies have commercialized their own RTK GPS receiver. On this blog I will provide information about accurate landings based on an AsteRX-m UAS receiver which works on L1 and L2 frequency.I’ve tested landings with an f450 DJI frame with the following setup:11 inch props5000 mAh batteryTotal weight:…See More
Jan 17
Stijn Debecker commented on Stijn Debecker's blog post Autonomous mission and package delivery with RTK GPS AsteRx-m UAS
"Hi Olivier, It's plug and play, of course you have to select the correct driver (SBF) for the GPS and to land accurate you will have to tune your vehicle. You also have to.configure the Kalmanfilter because the measurements from the GPS are…"
Oct 25, 2016
Olivier commented on Stijn Debecker's blog post Autonomous mission and package delivery with RTK GPS AsteRx-m UAS
"Awesome! How was your integration experience on AC 3.4 with the AsteRX-m UAS? Septentrio announces it as plug and play with Pixhawk and Ardupilot, any issues? Cheers!"
Oct 24, 2016
Stijn Debecker posted a blog post

Autonomous mission and package delivery with RTK GPS AsteRx-m UAS

Hi all,We are testing the RTK GPS receiver from Septentrio, the AsteRX-m UAS with ArduCopter 3.4. The GPS can be used to land accurate as shown in the first part of our video. The land location was logged and loaded into the waypoint file in Mission Planner. In the second part we show an autonomous transportation of a package as possible application. …See More
Oct 24, 2016
Stijn Debecker replied to Stijn Debecker's discussion Alt drop loiter_turns
"What was the speed and turn rate you were flying with? We are flying against the speed limit, if you set an unrealistic high turn rate (for example 20 deg/s), wp_speed at 2000 cm/s, wp acceleration at 500cm/s² the copter will try to go as fast…"
Apr 8, 2016
Michael Burmeister replied to Stijn Debecker's discussion Alt drop loiter_turns
"I just programmed your mission and did 7 turns from 5m to 35m and did not lose any altitude on each turn nor through the entre mission. Also there was a strong wind about 15mph which also did not effect the mission."
Apr 7, 2016
Stijn Debecker replied to Stijn Debecker's discussion Alt drop loiter_turns
"That's possible, but I think if the copter can't reach the rate you set as parameter, the arducopter code uses the rate that is calculated from the actual velocity of the vehicle and the radius of the circle. "
Apr 6, 2016
Michael Burmeister replied to Stijn Debecker's discussion Alt drop loiter_turns
"From the logs it looks like the copter can not turn at the rate you set.  We can see from the logs that as it turns it starts to loose altitude.  When it get to the end of the circle in this case clockwise it sees that it is too low to…"
Apr 6, 2016

Profile Information

About Me:
Robotics engineer
Please tell us a bit about your UAV interest
I'm doing research for package delivery with UAV. UAV are my work and my hobby.
Hometown:
Leuven

Stijn Debecker's Blog

RTK GPS based landing: test results

Posted on January 17, 2017 at 3:00am 7 Comments

Lately, a lot of companies have commercialized their own RTK GPS receiver. On this blog I will provide information about accurate landings based on an AsteRX-m UAS receiver which works on L1 and L2 frequency.

I’ve tested landings with an f450 DJI frame with the following…

Continue

Autonomous mission and package delivery with RTK GPS AsteRx-m UAS

Posted on October 24, 2016 at 7:37am 4 Comments

Hi all,

We are testing the RTK GPS receiver from Septentrio, the AsteRX-m UAS with ArduCopter 3.4. The GPS can be used to land accurate as shown in the first part of our video. The land location was logged and loaded into the waypoint file in Mission Planner. In the second part we show an autonomous transportation of a…

Continue

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