Go to Post FIRST should never come before school and anyone who thinks otherwise is irresponsible and should not be mentoring the kids - Koko Ed [more]
Home
Go Back   Chief Delphi > Search Forums
CD-Media   CD-Spy  
portal register members calendar search Today's Posts Mark Forums Read FAQ rules

Showing results 1 to 25 of 500
Search took 0.02 seconds.
search: Posts Made By: ozrien
Forum: Programming 16-12-2016, 12:54
Replies: 6
Views: 742
Posted By ozrien
Re: Feed-forward coefficient for motion-constrained system

When the range is limited, I like to manual throttle the mechanism (arm) up and down while plotting both throttle(motor-output) and sensor velocity. The first guess for fgain is then just me ball...
Forum: Programming 11-12-2016, 16:26
Replies: 1
Views: 379
Posted By ozrien
Re: List CAN devices from software?

This sounds like what you are asking for...
https://www.chiefdelphi.com/forums/showpost.php?p=1529415&postcount=10
... although it's not clear what your goal is. It's not typical to have a robot...
Forum: FRC Control System 03-12-2016, 19:12
Replies: 40
Views: 1,310
Posted By ozrien
Re: Talon SRX Motor Controller Problem

These symptoms sound like simple wiring issues. Students will make mistakes whether you use PWM or CAN bus, (and hopefully will learn from them).

However with PWM you must [1] Wire the devices,...
Forum: Control System 25-11-2016, 16:44
Replies: 11
Views: 522
Posted By ozrien
Re: Alternatives to RoboRIO or Robot Controllers

Sorry forgot to answer....

As far as IMU, we're supporting our CAN based Pigeon IMU for HERO/roboRIO in the same fashion we support the other CAN devices. So think class object for PigeonImu, just...
Forum: FRC Control System 24-11-2016, 16:26
Replies: 40
Views: 1,310
Posted By ozrien
Re: Talon SRX Motor Controller Problem

Hi FTC Team CC,
This is all explained in our documentation. Please read section 1.3.2 of the Talon SRX User's Guide. I think you will find answers much faster this way instead of posting a question...
Forum: FRC Control System 22-11-2016, 22:51
Replies: 40
Views: 1,310
Posted By ozrien
Re: Talon SRX Motor Controller Problem

That section explains that PWM CAL Mode and Limit Switches require the upgrade. General PWM drive does not require the update, however it is required to be FRC legal if the firmware is <0.28.

Your...
Forum: Programming 17-11-2016, 17:01
Replies: 22
Views: 2,546
Posted By ozrien
Re: Velocity PID(F) Best Practices - To Integrate, or Not To Integrate?

I think that's fair. In FRC it is generally acceptable that the velocity servo is oscillating (underdamped) by a few RPM above and below your target-velocity, and in exchange you get a fast response...
Forum: Programming 31-10-2016, 20:19
Replies: 8
Views: 781
Posted By ozrien
Re: Ports changed independently?

Mismatched device icons is explained in section 21.19 in the Talon SRX Software reference manual. Rebooting the RIO, or RIO-resets, requires manual refresh of the browser (duplicate tab,...
Forum: Programming 29-10-2016, 15:52
Replies: 6
Views: 783
Posted By ozrien
Re: How is velocity control supposed to work on the Talon SRX?

The general goal is calculate or tune a FeedForward gain so that the sensor velocity is near the target velocity. P (and potentially D/I) are then tuned to respond when the velocity error is...
Forum: Control System 17-10-2016, 14:49
Replies: 11
Views: 522
Posted By ozrien
Re: Alternatives to RoboRIO or Robot Controllers

ATM it's standalone, meaning you deploy your app onto the HERO and it runs your code (with debugger if you have Visual Studio attached).

I have a few customers who have taken a USB-to-TTL-serial...
Forum: General Forum 03-10-2016, 16:00
Replies: 29
Views: 2,347
Posted By ozrien
Re: What is this????

Kluge? I was kinda proud of the USB-Chicklet...

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=kluge
Forum: Programming 14-09-2016, 17:30
Replies: 5
Views: 713
Posted By ozrien
Re: Controller help with the HERO?

Hey Alex, ATM the HERO supports basic HID USB gamepads (like the F310 or F710 USB Logitech gamepads). The ps4 controller seems to require a special driver. If I have time I'll take a look to see if...
Forum: Technical Discussion 08-08-2016, 13:16
Replies: 15
Views: 1,406
Posted By ozrien
Re: LED RGB Lighting

Not sure if it helps, but you can use a typical SPI to control the data line for neoPixels.

We did it for the HERO robot...
Forum: General Forum 03-08-2016, 14:05
Replies: 11
Views: 1,683
Posted By ozrien
Re: Marines build Stronghold Robot

Great engineers think alike?...
https://www.youtube.com/watch?v=uA5Ol1NMEeQ
Forum: General Forum 03-08-2016, 11:30
Replies: 13
Views: 1,047
Posted By ozrien
Forum: Technical Discussion 26-07-2016, 19:18
Replies: 20
Views: 2,937
Posted By ozrien
Re: Low-cost Talon SRX computer?

Closing out my last comment on this old thread....

PWM Speed Controller class is now available in HERO SDK Beta Installer 4.4.0.25...
Forum: Sensors 23-07-2016, 23:46
Replies: 5
Views: 1,695
Posted By ozrien
Re: Our Hex Bore Encoder Hack

Hey all, Cable kit is now available...
http://www.ctr-electronics.com/talon-srx-data-cable-kit.html#product_tabs_description_tabbed
Forum: General Forum 10-05-2016, 15:12
Replies: 116
Views: 16,098
Posted By ozrien
Re: Your favorite robot of all time?

One of my favs was WildStang's bot in 2004. First robot I had seen that used a GUI (called StangPS) to pre-program where your robot would go in Auton. As a student, I was really impressed and...
Forum: Programming 09-05-2016, 16:41
Replies: 6
Views: 886
Posted By ozrien
Re: Continuous Feedback Sensor on CANTalon

So assuming 1024 units per rotation (analog sensor), if you want to go "backwards" set the target to -23. This will move backwards by -223 (since your current position is 200), instead of moving...
Forum: Programming 08-05-2016, 21:41
Replies: 6
Views: 886
Posted By ozrien
Re: Continuous Feedback Sensor on CANTalon

Hey Tim
Actually the sensor feedback is continuous by default.

AnalogEncoder is continuous (over and under wraps are tracked so 3.3V=>0V equates to sensor pos 1023=>1024).

Same is true for...
Forum: Technical Discussion 25-04-2016, 14:45
Replies: 20
Views: 2,937
Posted By ozrien
Re: Low-cost Talon SRX computer?

There is a 'P' Gadgeteer port that is PWM-hardware capable so anything is possible, but it is not supported in software yet. The priority for HERO is to better support Talon SRX, but in future I'm...
Forum: Technical Discussion 25-04-2016, 14:04
Replies: 20
Views: 2,937
Posted By ozrien
Re: Low-cost Talon SRX computer?

Hey All, Some answers below...


We get this question a lot through our support email. This is one of the main reasons why we made the HERO development...
Forum: Programming 17-04-2016, 17:10
Replies: 7
Views: 1,210
Posted By ozrien
Re: Issues with Motion Profile Generator

Looks like the problem is T1 is bigger than T4, and the generator isn't meant to know how to handle reducing the peak of the velocity curve.

To confirm this, first set T2 to '1' to remove the...
Forum: Programming 17-04-2016, 15:46
Replies: 7
Views: 1,210
Posted By ozrien
Re: Issues with Motion Profile Generator

Hi Ryan,
The spreadsheet in our example also uses the Copioli Method [I basically took Paul's example and added the source generator tabs :) ], so it follows that you get the same generated...
Forum: Technical Discussion 11-04-2016, 21:52
Replies: 6
Views: 984
Posted By ozrien
Re: Talon SRX - 3 Dead

Hey Jon,
Go ahead and email support@crosstheroadelectronics.com, if you haven't already.

@ahartnet
I don't see your email anywhere, are you certain you contacted us? Resend when you get a chance.
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -5. The time now is 23:59.

The Chief Delphi Forums are sponsored by Innovation First International, Inc.


Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Copyright © Chief Delphi