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|Cin-D LOU House Bot|
|Start Date: 1/1/2012|
Cin-D LOU will be an autonomous robot (at 5'-2" tall) able to self navigate around the HIVE space with some initial (and ever growing) ability for interaction. This project is our version of a home-built C3PO-like protocol droid. It is to be decided whether it will be overtly male/female or androgynous in form. One possible source of inspiration is this art-piece seen at the 2011 Detroit Maker faire at http://wiki.hive13.org/Detroit_Droids. A different inspiration is here http://wiki.hive13.org/AnotherBot.
Our project team is an informal group of like-minded folks. We hold our weekly team project meeting on Tuesdays, before/after the regular business meeting and then make progress each week. Individuals and small groups can take on specific tasks and interested bystanders can follow the progress and contribute as things evolve. The purpose is to learn and have fun!
The project has four initial areas of effort.
(1) Locomotion - Thanks to Jon, we now have a slightly used, model 1122 Jazzy motorized wheelchair from Pride Mobility Products. http://www.pridemobility.com/resourcecenter/Downloads/Product_Owners_Manuals/product_owners_manuals.asp The base came in with years of use and is fairly heavy with batteries and power circuits. Different control schemes to recognize position, do path planning and execution are being determined. The HIVE's MS Xbox Kinect might be one input, plus others that are TBD.
Above are some photos taken while stripping down and cleaning up the motorized wheelchair base. Formula 409, WD-40 and elbow grease do wonders on grime, rust, and nasty hair balls wrapped around axles.
And here is the re-assembled, stripped-down motorized wheelchair base ready for hacking the safety bumpers, line-tracking navigation parts, and everything else.
(2) Arm and Hand - Here we're thinking to use laser cut acrylic for the fingers, hand, wrist, forearm, elbow, upper arm and shoulder joints. Planned actuations come from forearm mounted small DC motors with leadscrews driving tendons. Stepping motor drives with gear reduction are anticipated at the elbow and shoulder. The ability to execute programmed motion sequences like pointing, waving, presenting a drink, making a fist bump or shaking hands without (or with) feedback are TBD using networked Arduinos or such for control.
(3) Head - Here we've got a styrofoam head with a vacu-formed replaceable female face as a possible starting point. There are some initial mechanical designs for eye balls (with blue LED pupils) that track with up/down left/right motion and working eyelids and eyebrows. Mouth and speech capabilities to be determined. Neck functions to turn and nod the head would be included. Again, we anticipate the ability to execute programmed motion sequences (nodding up/down for yes, shaking head left/right for no, and eye and head movements during motion tracking) without (or with) feedback. Here is the start http://wiki.hive13.org/Cin-D_LOU_head
(4) Body - Here we're looking for the HIVE artist types to make a simple light and quick body space frame from exacto-knife cut or laser cut cardboard or other layers using the AutoCAD 123D Make capabilities at http://www.123dapp.com/make. This would get us an egg crate or open grid structure that would have the outer body profile with cavities inside for mounting necessary controls and conduit paths.
Finally, if you have read this far, here are two interesting robot sites on the web: