Dedicated to the exchange of useful information between members using the Arduino or other families of processors for autonomous rovers.
Hi All,
Before posting an issue or a problem in the ArduRover Discussion Forum, please check the wiki table of contents, review the firmware release notes in the subforum, and search that subforum for existing answers to your question. Help avoid duplicate threads by finding other members with the same issue and their solution.
When formulating your post, use a descriptive title such as "rover will not navigate to waypoints in the Auto mode" (not "HELP!" or "Problem").
Please include the following information to help diagnose your query:
TCIII
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Hi, i am looking to build a new rover, but i need some advice on the chassis. I like the 4wd chassis/tank look and prefer it over the crawler/rc look.are those any good though? most people recommend crawlers.I am looking to get something from banggood, any advice will be highly appreciated. thanks
Read more…Hi all, I have a skid steer robot using a pixhawk cube, one 1x15 roboclaw motor controller and a dagu wild thumper 4 wheel chassis. I have skid steering working so far, testing motor c and motor d tests works as described and the vehicle can be controlled in manual mode. However, upon using any mode other than manual mode the rover wants to shake and pivot on the spot, and it seems the steering PID controller oscillates and these oscillations get larger. i have tried everything but it is still…
Read more…Hi,I have converted a Traxxas X-Maxx into a rover using the Pixhawk Cube 2 controller kit with a Here GNSS.I swapped out the original X-Maxx remote controller for an X6R receiver and Taranis QX7 radio.latest version of ArduRover firmware installed as of 8/11/18. The rover has an EZRun Max6 ESC. The problem now is the ESC control over the transition into reverse. The ESC is currently set to it's Running Mode Option 2: "Forward/Reverse with Break", AKA the "Double Click Method".What this mode…
Read more…Hi all.I know this is an Adurover group, but Thought I would reach out and try my odds for some help as I'm perplexed by this problem. I have a Traxxas X-Maxx set up with a Pixhawk Cube 2.1 and the Here GPS. I'm using a Tarranis X7 remote controller and a X8R Sbus Receiver. I'm using QGroundControl with the latest, Pixhawk 1.8.0 Firmware with the Generic Rover airframe profile installed. As instructed, I have Steering servo wired into Main 2 and Throttle ESC wired into Main 4. Sensors are…
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Comments
@Mike,
Where did you move to in Texas. I just retired to Florida from Melissa, Texas which is about 40 miles north of Dallas off the 75.
Regards,
TCIII
Boy, am I glad to see that this is really taking off!!!
Regards,
TCIII
@Flavio,
I agree with you that we do need a step by step setup of the rovers in relation to the MP and the present code. Beta testing is a must as v 2.30 is really alpha code that has only been tested on Tridges simulator.
Comments?
Regards,
TCIII
Coincidentally, I just sent a request to TCIII and Chris to consider giving me wiki privs so I could begin adding more content. New users to a project can sometimes contribute helpfully in this way. I would like to help where I can. I like your plan better.
@Mike
Happy to read this.
@All
Once the new FW will be released and tested we can share some documentation work to build a step by step Wiki on settings and troublkeshooting, I think will be one of the important part of the new release, actually informations about JLN FW are poor and fractionated in 70 pages of posts. I suggest a beta testing group that make test and keep updated the wiki.
cheers,
Flavio
@Flavio, TCIII: Thank you for pointing me in the right direction. I'm up and running auto missions with Rover. I used Flavio's suggestion for throttle, 30%, reversed in planner, works like a charm.
Here are some KMLs from auto missions, more to come.
@TCIII
Probably this negative settings appears because on my boat the connection between ESC and Motor are not factory made, I did not investigate a lot because everything work well. Maybe if I swap 2 wire from Brushless phase and I dont reverse the channel in MP the value for FW throttle will be >50 for FW.
I hope that this problem will be fixed with the new FW revision with a parameter of 0-100% only FW even if the FW/REV is enabled. Actually for me the setup of the parameters "CRUISE THROTTLE" "MIN THROTTLE" "MAX THROTTLE" are reversed in math terms, I mean that MAX is less than MIN in numbers and this is not very human friendly :-)
Anyway the procedure to check the correct channel reversing is still usable.
Regards,
Flavio
@Flavio,
Thanks for the instructions. Much apperciated. Your information should be incorporated into the ArduRove Wiki. One question: why is your throttle range the reverse of most ESCs? Usually <50% is braking, 50% is neutral, and >50% is forward. Can you explain?
Regards,
TCIII
@Mike
I Follow this steps to find the right setup for steering/throttle with JLN FW 2.20
1) in MP perform Radio calibration even if you notice something reversed.
2)In manual mode, check if rudder and throttle are right, if rudder is wrong reverse it with TX settings (not MP ). If throttle is reversed check if is possible to swap 2 Brushless lines or reverse it with TX settings.
3) Open MP and wait for GPS FIX, check that magnetometer is reading correct heading. place a WP away from home and at LEFT side of the heading. Write WP in APM.
3) Set Cruise speed to 30 ( 0 is 100% FW , 50 is 0% , 100 is 100% REV ).
4)Hold the Rover without changing heading and switch to AUTO.
5) check if steering system is pointing LEFT and if Throttle is 35% FW.
6) If something is reversed in AUTO then open MP and select reversing check box on radio calibration.
7) repeat from point 4
Hope this help
Flavio
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