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
About My EcoRover and due to the fact the solar rover is a specific discussion I think it is better to have a dedicated threads.
My EcoRover
Now my Rover has the solar option.
It is a modular concept and easy to change. So the panel can easily be removed.
The solar panel feeds a 2S LiPo battery with 2 X 6V and 0.940 amp.
More details soon.
Thanks Chris.
I haven't yet added the rover brain to my truck, but I'm wondering if the code could handle a couple of interesting features:
1) front and rear wheel steering, in case extra-tight turns or crab-walking is necessary for manoeuvres,
2) DIG (mostly rear wheel), which is the ability to lock the rear wheels from turning, making turns ultra tight.
Also with DIGs, they sometimes include a half-way setting which disengages the rear drive shafts giving front-wheel-drive instead of 4wd, but I'm not sure that would be beneficial or relevant.
Just curious, thanks for the awesome work!
And you'll probably want two, so your rover can turn the right way away from obstacles
We use the Maxbotix 1240
Just realized that's an IR sensor. Which ones are you using?
Oh, and are you using two at the moment or just one? SparkFun has a sale going on for a few more days so I wanted to pick one or two up while I can.
Quick question. Is this the sonar sensor you guys are using?
https://www.sparkfun.com/products/8958
Hi All,
Tridge and I have made exceptional progress this last weekend with validation of the L1 version of the ArduRover2 code. There are three critical tuning parameters in the L1 code: NAVL1_PERIOD, TURNING_CIRCLE and TURN_MAX_G.
I measured the turning radius of my Slash rover and found it to be 1.3m. We started testing with the NAVL1_PERIOD at 8 and the TURN_MAX_G at 4. With the NAVL1_PERIOD at 8 there was not enough turn authority and I ended up with the value of that parameter at between 3 - 4. At 3 the rover negotiated tight turns (chicanes) very well, but tended to hunt on the straightaways. At 4 there was no straightaway hunting, but the tight turn navigation was not optimal. I also upped the TURN_MAX_G value to 10 and left it there for the remainder of the testing.
I suspect that the L1 code can be modified to be able to negotiate tight turns, but not hunt on the straightaways. I think that we are very close to being able to release a beta version of the code in the next few weeks.
I also liked the fact that the L1 code made nice sweeping turns around corners compared to the Non-L1 code which tended to turn in short segments around a curve.
More to come.
Regards,
TCIII
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