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Pricey Groups:
We’ve been invited to share some ideas, observations, and proposals as your Chief Robotic Inspectors. We’re excited to share with you, and plan to take action in two elements. That is Half 1, and we’ll observe up with Half 2 shortly. Half 1 is usually tactical; we needed to share issues to search for as you begin to transition from “construct” to “compete.”
Whereas all of the robotic development guidelines (Part 9) of the Guide are necessary, right here’s an inventory of some objects Inspectors generally discover and infrequently trigger probably the most headache for groups as a result of they’ll take important time to repair on the competitors. The Inspectors are there to assist the groups and need to get them prepared for the sector as quick as potential. That can assist you put together, the robotic inspection guidelines is printed right here. It’s the precise guidelines the Inspectors use. Please “pre-inspect” your robotic by reviewing this guidelines earlier than you go to competitors so you possibly can appropriate any points you discover whilst you have the time and assets to higher deal with them earlier than the stresses of competitors.
Chubby (R103) and over dimension (R104 & R105) robots. These could be tough and time consuming to treatment at competitors, so be certain to get a agency deal with in your robotic’s dimension and weight (should you can) earlier than you get to your occasion(s).
Robots that overhang their FRAME PERIMETER within the STARTING CONFIGURATION (R102). Be sure your robotic can match throughout the vertical projections of your FRAME PERIMETER whereas in its STARTING CONFIGURATION.
BUMPERS (Part 9.4) are a frequent sources of inspection points. The commonest points are:
ready to construct BUMPERS till the occasion – rules-compliant bumpers take time to make and securely connect to your FRAME PERIMETER. Embrace bumpers within the robotic design early on. Take note how bumpers have an effect on robotic interplay with recreation items.
BUMPERS are too brief (<6”) from every nook of the robotic. Examine R401 and the figures rigorously. These diagrams present illustrations of “OK” and “NOT OK”. Understand that a BUMPER contains the wooden, pool noodles, and the material protecting so there should be no less than 6” of all three extending from every nook of your robotic (until a aspect of your robotic is lower than 12” after which your complete aspect should be protected by a BUMPER).
BUMPERS should keep within the BUMPER ZONE (<7.5” from the ground) (R402).
BUMPERS should be securely connected (R408-G) and could be modified rapidly (R404).
BUMPER have a weight restrict, too! (15 lbs) (R407)
BUMPERS should be made with 5 in. +/-0.5 in. tall plywood, Oriented Strand Board (OSB), or strong wooden (besides balsa) (R408). Particle Board and Medium Density Fiber Board (MDF) will not be prone to stand as much as the trials of recreation play and will not be appropriate. R408 defines the BUMPER development necessities together with an illustrative cross-sectional diagram (Determine 9-7).
BUMPERS should be supported by the construction of your robotic (R410). The intent is to supply structural backing for the wooden to restrict failures and preserve the protecting integrity of the BUMPERS. Please research Determine 9-9 rigorously and ensure your robotic complies with the ¼ in. hole limitations and the 8 in. open span limitations.
Motors (Part 9.5) – Be sure all of the motors you’re utilizing in your robotic are included in R501 – Desk 9-1. Take into consideration any motors that could be part of a COTS machine you bought (similar to a linear actuator or winch). These motors must be on the allowed motor listing in Desk 9-1. Some motors should be on their very own motor controller, different motor controllers might have two motors (Desk 9-2).
Batteries (R601 – R607) – Just one important battery is allowed, and it should be of a selected dimension. Lithium or different chemistry important batteries will not be allowed, solely sealed lead acid (SLA) (R601). Be sure all of your battery chargers have Anderson SB connectors put in (R603). You’ll possible have to put in these your self. Jamming alligator clips into the Anderson SB connectors on the batteries may be very unsafe and never allowed. Be sure your batteries are securely connected to the robotic (R606) and the terminals are insulated with electrical tape or warmth shrink (R607). Batteries are thought of safe if the robotic may very well be turned over or positioned in any orientation and the battery stays firmly in its supposed mounting location. Fake you’re going to flip your robotic the wrong way up and shake it. Will the battery keep put or come unfastened and probably fall out?
Electrical wiring – Pay shut consideration to {the electrical} guidelines in part 9.6. Give your important breaker placement cautious consideration. It should be “rapidly and safely accessible from the outside of the robotic” (R612). You shouldn’t have to stay your hand via mechanisms in your robotic to achieve the primary breaker buried deep inside your robotic or need to open entry panels and so forth. to get to it. You additionally need to defend it from by accident being turned off throughout interactions with different robots or recreation items.
Wire gauge and breaker dimension is essential and inspectors will look intently at this (R621 – R622). Be sure your robotic complies with these guidelines in addition to the wire colour guidelines (R624). Be sure your intermediate connectors are appropriately sized as nicely (R623).
In case you are utilizing pneumatics, all of the parts must be used of their unique, out of the packaging, unmodified state with only a few allowed exceptions (R803). Solely use pneumatic parts which can be listed in R804. Ensure you have the pneumatics parts proven in R805 at a minimal. In case you haven’t used pneumatics in a number of years, please observe that the air compressor should now be “on board” (R806). “Off board” compressors are not allowed. In case you are utilizing a stress aid valve that may be adjusted, you should regulate it to vent round 125 psi per R811. Directions for the way to do this are on web page 15 of the Pneumatics Guide.
Thanks for taking the time to assessment this listing, and we hope it offers you some perception into what we see at occasions.
See you quickly for Half 2 of Inspection Reflection.
Have an ideal weekend.
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