View Full Version : 610 Electronics Board Teaser
Matthew Lang
31-01-2014, 22:57
Hi CD,
We've been working hard over the past few days to get this ready for public consumption, so here it is! It's not entirely done yet, but we wanted to get a picture out before anything goes on top :) Feel free to comment and ask questions, I'm not sure how much I will respond though :rolleyes:
http://s29.postimg.org/9846gtkxz/2014_Electronics.jpg (http://postimg.org/image/go3g2m8n7/full/)
So where do the Jaguars go? :rolleyes:
I think you might need a few more compressors.
s_forbes
31-01-2014, 23:04
I'd post R79, but I think you know that already.
Something I find interesting: you probably inspired a lot of teams to use 6 CIM drivetrains with your robot from last year, and with all of the new ones popping up in 2014 you only have 4.
donkehote
31-01-2014, 23:16
I'd post R79, but I think you know that already.
Something I find interesting: you probably inspired a lot of teams to use 6 CIM drivetrains with your robot from last year, and with all of the new ones popping up in 2014 you only have 4.
I see 4 cims 2 minis, they are hiding :D
Looking really good though. Cant wait to see it in action
s_forbes
31-01-2014, 23:20
I see 4 cims 2 minis, they are hiding :D
Looking really good though. Cant wait to see it in action
oooh, I missed that... you win!
http://www.walterwick.com/books_pics/ispy_pics/ISPY_silhouettes_spread.jpg
Needs more compressors.
No, 4 is enough. Now they just need a WINpump.
So where do the Jaguars go? :rolleyes:
I think you might need a few more compressors.
I keep forgetting just how easy it is to mix up jaguars and compressors. Happens all the time.
Just like that time we miscounted how many motors were on our drivetrain? Remember that?
dtengineering
31-01-2014, 23:24
Needs more compressors.
Actually, it needs more pressure relief valves.
(Says the tech inspector in me...)
Jason
Jonathan Norris
31-01-2014, 23:38
610 building a West-Coast drive! Blasphemy!
It must be because Mikey and I are in San Francisco for build this year :ahh:
I keep forgetting just how easy it is to mix up jaguars and compressors. Happens all the time.
I hate it when that happens!
Answer42
01-02-2014, 02:32
I like the rectangular tube gearboxes. God only knows what the crazy mechanism is going to go where those compressors are.
Caleb Sykes
01-02-2014, 18:53
First off, this is an absolutely spectacular electronics board. If my team makes one that is 1/3 as good, I will be proud of them. I do have a few questions though:
1. I have always been concerned about having anything in contact the drive motors since they can get very hot. Obviously, since you have wires attached to the top of the CIMs, this is not a concern for you. Do your CIMs not get very hot because of the gearing and/or the load sharing over 3 motors? Or have you tested these motors under high loads for extended periods without seeing any problems with the contacting material.
2. What are those red connectors between the motors and their respective speed controllers? Also, why do you use them instead of cutting the motor wire to length and connecting it right onto the speed controller?
3. Where do you intend to place the remaining pneumatic components? Will there be space directly above the compressor for them?
4. Why did you opt to use the old digital module to sidecar cable instead of the ribbon cable? Is it because of the placement of the sidecar and cRIO right next to each other?
5. Did you cut to length and crimp all of the PWM cables yourself?
6. What is that thing at the top of the PD Board? And why does it have a PWM cable coming out of it?
7. Why are your two non-drive speed controllers attached to 30 amp breakers instead of 40 amp breakers? Are you concerned about the total current draw of 8 40 amp motors?
7. Will there eventually be a mechanism in the space of the 4 compressors? If so, did you design the board specifically to save this space? Or are you just so efficient in your wiring that you have 4 compressors worth of excess space just to show off? :p
Matthew Lang
01-02-2014, 19:45
First off, this is an absolutely spectacular electronics board. If my team makes one that is 1/3 as good, I will be proud of them.Thanks for the kind words :)
1. Do your CIMs not get very hot because of the gearing and/or the load sharing over 3 motors? Or have you tested these motors under high loads for extended periods without seeing any problems with the contacting material. We ran a similar system with our drivetrain last year (pig-tailing the motor leads on to the motors) and although the motors do get warm, we never ran into issues with melting the insulation or anything like that.
2. What are those red connectors between the motors and their respective speed controllers? Also, why do you use them instead of cutting the motor wire to length and connecting it right onto the speed controller?The red (and black) connectors are Anderson Power Poles (http://www.powerwerx.com/anderson-powerpoles/?gclid=CPDY6pKVrLwCFatcMgodewIAMA). We find them to be better versions of quick disconnect crimps. In terms of swapping out a broken component, it means all we will ever have to do is change the motor or speed controller without re-doing any wires. It also means that we can cut all of our motor leads to the same length (off of the robot), and then make the appropriate length run (also off of the robot) with ordinary spool wire instead of worrying about affecting the CIMs.
3. Where do you intend to place the remaining pneumatic components? Will there be space directly above the compressor for them? They will go where the sideways large compressor appears in the picture, and where the furthest right vertical compressor appears.
4. Why did you opt to use the old digital module to sidecar cable instead of the ribbon cable? Is it because of the placement of the sidecar and cRIO right next to each other? It has a lot to do with the placement of the cRIO, and ribbon cables are a pain to make. Unless vertical space above the cRIO becomes an issue, we figured why not use something that was already assembled for us.
5. Did you cut to length and crimp all of the PWM cables yourself? Yes.
6. What is that thing at the top of the PD Board? And why does it have a PWM cable coming out of it? It's a gyro sitting on top of a custom 3-D printed mount attached with double-sided tape.
7. Why are your two non-drive speed controllers attached to 30 amp breakers instead of 40 amp breakers? Are you concerned about the total current draw of 8 40 amp motors? We just figured that the application of those motors shouldn't draw more than 30 amps and that we could preserve the other 40 amp slots for spares/other applications.
7. Will there eventually be a mechanism in the space of the 4 compressors? If so, did you design the board specifically to save this space? Or are you just so efficient in your wiring that you have 4 compressors worth of excess space just to show off? :p As I mentioned we will be putting the rest of the pneumatic components there, and likely a few more Talons. We also knew that there would be a bit of a mechanism dropping down into the electronic board space so we tried to preserve as much as possible. As it turns out the mechanism will be centered against the frame opposite the battery.
Mike Starke
01-02-2014, 19:48
No, 4 is enough. Now they just need a WINpump.
4?? I see 5! Haha.
Lightfoot26
01-02-2014, 19:53
No, 4 is enough. Now they just need a WINpump.
That sir..... is patented technology!
That sir..... is patented technology!
You guys have given the technology to other teams in the past...lol.
And Mike, I noticed the real one a little bit after I did that post.
may want to look into the rules, i'm pretty sure teams are allowed ONE 1.05 CFM compressor, but i could be wrong. just wanted to let you know so you don,t get disqualified.
may want to look into the rules, i'm pretty sure teams are allowed ONE 1.05 CFM compressor, but i could be wrong. just wanted to let you know so you don,t get disqualified.
.....
Tem1514 Mentor
01-02-2014, 21:43
No no they need all those compressors to blow their own horn:rolleyes:
Okay enough kidding, but I really like where you put the drive train encoders. It gives me an idea, thanks.
Maple syrup is much more viscous than air so more compressors are required to get the job done.
Tem1514 Mentor
01-02-2014, 22:11
Maple syrup is much more viscous than air so more compressors are required to get the job done.
And, ah so sweet it is. I feel for you guys so far south not knowing what really good maple syrup tastes like. :D
may want to look into the rules, i'm pretty sure teams are allowed ONE 1.05 CFM compressor, but i could be wrong. just wanted to let you know so you don,t get disqualified.
I'm not 100% sure so don't quote me on this but I thought I heard from someone that more than one compressor is ok.
And, ah so sweet it is. I feel for you guys so far south not knowing what really good maple syrup tastes like. :D
I only moved to the US 11 years ago. I worked for 5 years in Ottawa and 12 years in TO. Last December, my wife went to visit her relatives in TO and brought back several gallons of "the good stuff". She also brought back a box of Timbits because she loves me :D
DampRobot
01-02-2014, 22:36
I'm not 100% sure so don't quote me on this but I thought I heard from someone that more than one compressor is ok.
Dude plz res the Manuel it's ok only if they're all wired off the same jaguar or digital side car I can't remember
Andrew Lawrence
01-02-2014, 22:43
Dude plz res the Manuel it's ok only if they're all wired off the same jaguar or digital side car I can't remember
Wait there's a manual? :eek: :eek: :ahh: :ahh: :D
No, 4 is enough. Now they just need a WINpump.
Would you settle for a WINtake?
:D
ice.berg
02-02-2014, 02:01
Dude plz res the Manuel it's ok only if they're all wired off the same jaguar or digital side car I can't remember
If you hear it on CD then I guess it must be true! Official ruling right there..... :p
The rules state one and only one compressor. The other bigger grey mechanisms are sometimes miss labeled as compressors but are actually self restoring air tanks and as the rule states there is no limit on air tanks. As an LRI I make sure that our team does not break the rules. :rolleyes:
Wait, is 5 compressors legal...? Oh.
And now for a serious question.
What did you use to label all your wiring? Are the labels from a label maker, are they heat-shrink tubing or are they self adhesive labels?
Once again, you have done wiring that is nicer than what the "professionals" at work do.
Matthew Lang
05-02-2014, 23:04
And now for a serious question.
What did you use to label all your wiring? Are the labels from a label maker, are they heat-shrink tubing or are they self adhesive labels?
Once again, you have done wiring that is nicer than what the "professionals" at work do.
Thanks for the compliment, it's great hearing that our extra effort gets noticed; and what do you know, the labels have proven their worth a few times already!
We use self-adhesive labels. Products 4 & 5 (http://www.sayal.com/zinc/zinc_search.asp?txtSEARCH=58WIRE&title=WIRE) are very similar to what we use, and that is all we use.
Thanks for the compliment, it's great hearing that our extra effort gets noticed; and what do you know, the labels have proven their worth a few times already!
We use self-adhesive labels. Products 4 & 5 (http://www.sayal.com/zinc/zinc_search.asp?txtSEARCH=58WIRE&title=WIRE) are very similar to what we use, and that is all we use.
Thanks for the tip, Matthew. I was able to find something similar at the local Home Depot so I will pick some up in the morning.
At work, we are required to label both ends of all wires. The Field Service people would kill us if we didn't do it. The labels are printed on pieces of heat shrink tubing using special printers so it is hard to use the same method for our robot.
Forget tanks with that much compressing power! Oh yeah, and the wiring job looks pretty nice also. The only thing I don't like is it looks like there is limited service loops on some of the connections to the PD board, may make a fix a little difficult. :rolleyes:
cmrnpizzo14
06-02-2014, 13:38
As I mentioned we will be putting the rest of the pneumatic components there, and likely a few more Talons. We also knew that there would be a bit of a mechanism dropping down into the electronic board space so we tried to preserve as much as possible. As it turns out the mechanism will be centered against the frame opposite the battery.
How many talons do you expect to need? I counted 8 on there already. That is enough for your drive train and then 4 motors for shooter, intake, something else. Are you just moving some of the ones that are already there or are you actually adding more?
Caleb Sykes
06-02-2014, 15:09
How many talons do you expect to need? I counted 8 on there already. That is enough for your drive train and then 4 motors for shooter, intake, something else. Are you just moving some of the ones that are already there or are you actually adding more?
I believe that they have 6 drive train motors. 1 on each side is hiding.
cmrnpizzo14
06-02-2014, 16:48
I believe that they have 6 drive train motors. 1 on each side is hiding.
Aaah, sneaky Canadians ;) I see now, that seems more reasonable, I couldn't really picture a team this year needing 6 non-drive train motors (although I'm sure someone will have it)
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