Older blog entries for mikegotis (starting at number 27)

The Quad Servo Core is built. Now the task at hand is programming it. The dual bearing design and prototype on the Upper Body Torso Mobility Core was a great success. An assembly is now working and in progress. Several movies were made showing the primary unit walking. A static mount was invented to sustain the upper torso assembly during code development.

Humanoido Extensions: Worked progressed on the Upper Body Torso Mobility Core. It's now apparent that the omega plane will need bearings. I believe it's possible to fabricate a three dimensional cylindrical bearing to provide increased support and reduce upper body flexure. The rotation results in an eccentric, therefore cylinder placement requires attention. Tests show that certain plastics have very little friction when placed in plane to plane contact, not unlike a teflon surface bearing. This approach will be incorporated into initial designs.

You are politely requested to GOTO HERE and take a look at message #62. You'll see exactly what happens with a good robot and a very bad case of the ROBOTIC Dr. Jekyl - Mr. Hyde syndrome...

Sept. 1 - Sept. 7

Worked on designing a small operating system, called SMALL-WALK OS 1.0, which includes derivative code to achieve a series of fundamental walking motions. Introduced SMALL-WALK OS 1.0 as a new project.

Worked on the Exoskeleton Project. Completed two legs, and installed a head on Humanoido. Currently building arms. Moving placement of shoulders to compensate for head to shoulder displacements.

Worked on the Quad Servo Project and completed the design. Design/utilize brass mechanics mountings. Project moves to the assembly and testing phases.

Picture Mystery Humanoid Post of the Day!

At Message #20 you'll see a remarkable humanoid robot. Can anyone identify the owner? Contact mikegotis@yahoo.com

2 Sep 2002 (updated 2 Sep 2002 at 10:43 UTC) »

There are some very interesting robot photos published at Message #33

If you go down into the dark damp hot basement of the Time Differential Regeneration Plant where there are big leaky pipes, coils and converters, you'll find a lot of these robots, either regenerating or doing work like welding on craft propulsion frames. :-)

Enjoy!

re: New Toddler Walking Robot eGroup

Be sure to join the new Yahoo eGroup about the new Parallax Toddler Walking Robot, and all other cool walking robot creations! I'm the moderator and founder. We're posting a lot of information about walking robotics, motion control programming, hardware and photos. Be sure to stop by and join in - everyone is welcome. Take a look at those cool robot photos!!!

Homepage: http://groups.yahoo.com/group/toddler_robot/

27 Aug 2002 (updated 3 Sep 2002 at 06:08 UTC) »

Note: BIPEDAL WALKING Humanoid Project re: REDUCING OVERALL WEIGHT Today, replaced a lot of metal hardware, i.e. bolts, nuts, spacers, washers, with their nylon and phenolic equivalents. Nylon and phenolic materials are readily available at a local parts surplus store. The amount of weight saved is equal to one complete computer! This is good news, especially since the plan calls for another onboard computer, networked to the first. There are still some metal hardware pieces that could be replaced for more weight savings. This will allow mounting more of the exoskeleton, and reducing wear on the motion control servos for walking.</em>

26 Aug 2002 (updated 27 Aug 2002 at 19:02 UTC) »

Posted a new project called the EXOSKELETON PROJECT FOR HUMANOIDO APPLICATION. This skin EXOSKELETON covering is designed to protect the Humanoid from electrical shorts, prevent damage from falls, and serve as new mounting positions for additional sensors and parts. The overall Humanoid design is accomplished in metal, primarily lightweight aluminum, and thus, the skin will also contain the same material.

25 Aug 2002 (updated 26 Aug 2002 at 08:03 UTC) »

Project completed today: a USB to IEEE-1284 Bridge under Windows Virtual PC running Windows 98 within a Macintosh iBook. A USB device driver was installed (also under Windows 98) and configured for a cable, compatible with a parallel port device. The USB port is a Macintosh shared resource. Although originally designed for driving a printer (for computers lacking parallel ports), this device will serve as a parallel EEPROM interface for burning code into PIC processors.

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