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Robot arm on mobile robot

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megaman935:
  :POk, so my little brother has muscular dystrophy- but hes not in a wheelchair- and he has problems bending over. So, I'd like to build a robot that can pick somethin up and possibly give it to him. I saw the tutorial for the robot that climbs walls, is there a way 2 do that by raisng or turning the robot arm more freely?

Admin:
ok so no one has answered this yet, so ill give a crack at it . . .

first question, how would your brother control such a robot?

second question, pick up what? size/shape/weight are really important to consider


--- Quote ---I saw the tutorial for the robot that climbs walls, is there a way 2 do that by raisng or turning the robot arm more freely?
--- End quote ---

do you mean something like this?
http://www.societyofrobots.com/images/robot_arm_mobipulator.jpg

megaman935:
I'd like it to be remote controlled.. Pick up anything from a gameboy to a pencil... and yeah something like that. thanks for replying admin.
 ;D

Admin:
yeap, definitely sounds doable.

i think the hardest part would be programming the arm kinematics to work with your remote.

this might be a little overwhelming at first look:
http://www.societyofrobots.com/robot_arm_tutorial.shtml#forward_kinematics

if you build a 2 DOF arm, you can just copy my equations.

basically attach the remote control reciever to a microcontroller, then the microcontroller does some processing and outputs the robot arm commands.

there is also a lot of research going on with robot arms that feed handicapped people, might be worth looking in to. (cant think of links to suggest at the moment . . .)

ed1380:
<---noob

I think something like this would make controling it easier than having buttons and joysticks on a remote. but after some practice i but those would work good too.

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