Please login or register.

Login with username, password and session length
Advanced search  

News:

Season 13!

Author Topic: New Robot Controller....  (Read 4859 times)

kfellows

  • Team Member
  • New Member
  • ***
  • Posts: 44
New Robot Controller....
« on: April 22, 2008, 09:58:10 AM »

Guys....
In my inbox this morning was an interesting article comparing the power consumption of wireless protocols.
It's a good read and relevant to the whole "why does the new controller take so much power" question. 
Note: These guys like UWB

http://www.mobilehandsetdesignline.com/207200704;jsessionid=BI4TZ1QK5OYEUQSNDLPSKHSCJUNN2JVN?pgno=1

A snippet about WLAN...
A Wireless local Area Network (WLAN), based on the 802.11 standards, utilizes spread-spectrum or OFDM modulation technology based on radio waves to enable communication between devices in a limited area. This gives users the mobility to move around within a broad coverage area and still be connected to the network. The 802.11 family is comprised of various over-the-air modulation techniques that use the same basic protocol (e.g., 802.11a, 802.11b, 802.11g, 802.11n, and 802.11y). The two most popular WLAN standards - 802.11 b and 802.11g - feature a throughput of 4.3 Mbps and a 11-Mbps data rate, and a throughput of 19-Mbits/s and a 54 Mbits/s data rate, respectively. While 802.11 is relatively power efficient, in active mode it consumes more power than UWB


->Karen
Logged

Firefly

  • Team Member
  • Hero Member
  • ***
  • Posts: 517
  • No matter where you go there you are
    • My company website - OS-Cubed, Inc.
Re: New Robot Controller....
« Reply #1 on: April 22, 2008, 10:26:10 AM »

If the new robot controller is 802.11 based I can't TELL you the amount of issues you may run into with hacking and/or jamming.  With just about every smartphone and laptop equiped with 802.11 being a potential radio device in the net they'd sure better have some serious encryption enabled.  All it would take is one unethical person in the stands to totally screw someone's robot - or a whole FIELD of robots.  It wouldn't even have to be something blatant - just introduce a few random packets into the mix, or periodically do a ping of death on a particular robot's IP address.  Tracking them back to the source would be nearly impossible.

Ask Martin how long it would take him to hack an 802.11 channel and be able to filter packets on it :)

I'm not saying that a FIRST person would do this - but it also wouldn't hurt to enquire as to what will be done to PREVENT it from happening....

<-- Does computer security for a living....
Logged
Lee Drake, CEO, OS-Cubed, Inc.

heydowns

  • Administrator
  • Full Member
  • *****
  • Posts: 233
Re: New Robot Controller....
« Reply #2 on: April 22, 2008, 02:33:02 PM »

The guys in the mentor training/Q&A sessions stated that the on-field communications system may not be 802.11-based.  They were looking at more sophisticated technologies for that.  The 802.11 solution would be there for home/off-season use.  The common connection technology would be ethernet.
Logged
Jeff

Firefly

  • Team Member
  • Hero Member
  • ***
  • Posts: 517
  • No matter where you go there you are
    • My company website - OS-Cubed, Inc.
Re: New Robot Controller....
« Reply #3 on: April 22, 2008, 03:20:25 PM »

kewl.  As long as you can't do a POD or some other hack on the robot's ip address you should be good to go :)

Cheers,
Lee
Logged
Lee Drake, CEO, OS-Cubed, Inc.

kfellows

  • Team Member
  • New Member
  • ***
  • Posts: 44
Re: New Robot Controller....
« Reply #4 on: April 23, 2008, 05:19:06 PM »

More info from FIRST....
Greetings Teams:

We have some important information from National Instruments (NI) to share with you:


-------------


Firstly, we would like to extend our congratulations to all FRC Regional and Championship teams for a very successful 2008 FRC season.

As we know you’ll soon begin preparing for the 2009 competition season, we wanted to answer the two questions we’ve heard most frequently asked about the new control system.  We are excited by the energy and enthusiasm you’ve shown for this technology change, and will continue to share information as it becomes available.

When will we receive the new control system?  Is there any benefit to purchasing an NI CompactRIO controller now?

FIRST is continuing to work out the logistics of the exact availability date for the new control system, but it will be no later than Kickoff of the 2009 season.  We are working extremely hard to make the new system available as early as possible.

We know some teams want to begin using the new control system.  However, we advise against purchasing a current NI CompactRIO system from National Instruments.  The prices listed on www.ni.com do not reflect the discounted price FIRST teams will pay for purchasing additional controllers, and more importantly, the software experience for the 2009 FRC controller in the 2009 Kit of Parts will differ significantly from an off-the-shelf NI CompactRIO system.  Additionally, you will not be able to work with the other components of the control system.  Instead of purchasing a NI CompactRIO controller now, we recommend that teams begin learning programming skills in C/C++ or LabVIEW.

What can we do now to learn more?

You can begin reviewing the training material already available online at:

Tutorial:  Getting Started with the New Control System     
http://decibel.ni.com/content/docs/DOC-1663

Slideshare:  Training sessions from the 2008 Championship
http://www.slideshare.net/nifirstrobotics/ni-first-robotics-controller-training/

Tutorial: Program the New Controller with NI LabVIEW
http://decibel.ni.com/content/docs/DOC-1661

Tutorial: C / C++ Programming for the 2009 FRC Control System
http://decibel.ni.com/content/docs/DOC-1665

FIRST, National Instruments, and WPI will continue to develop and distribute training materials to support the set-up and use of the control system in preparation for the 2009 season.  This training will be distributed through the web and live workshops, and there will be training available for the summer months.  We will always post the latest training information on www.usfirst.org/community/frc and on www.ni.com/community/first.

Please send us your questions, comments and feedback via the National Instruments Community blog found at www.ni.com/community/first.  We wish you the best of luck in the off-season, and thank you for helping support the FIRST mission and vision.

Go Teams!
« Last Edit: April 23, 2008, 05:21:27 PM by kfellows »
Logged