General Robotics Forum

a (hopefully) simple quaternion question

Say my aircraft is in a current orientation of phi (roll, x-axis) = 0 degrees theta (pitch, y-axis) = 30 degrees psi (y...

0 comments posted 20yrs

posted by weg22

0 comments posted 20yrs posted by weg22

Quaternions to Euler

Hi all, I've posted quaternion questions on here before and I thank you all for your help. However, I am still a bit co...

3 comments posted 20yrs

posted by weg22

3 comments posted 20yrs posted by weg22

Do you recognize this robotic dog?

This is kind of a long shot, but I am sure there are a lot of cultured and intelligent people here... Anyway, I know I'...

1 comments posted 20yrs

posted by root

1 comments posted 20yrs posted by root

Paper about using existing radio sources for beacons

Just came across this interesting paper which proposes using existing radio sources as beacons. http://www.deviceforge....

0 comments posted 20yrs

posted by cadcoke3

0 comments posted 20yrs posted by cadcoke3

Poll: Which processor?

Later in my project, I will have to develop an inertial positioning system (aka dead reckoning). At my disposal, I have...

5 comments posted 20yrs

posted by padu

5 comments posted 20yrs posted by padu

Fun topic - Communicating robot status with music (sound)

Hey all, I have just finished coding the ability to play asynchronous music on my robot, and was considering having it...

5 comments posted 20yrs

posted by robotguy

5 comments posted 20yrs posted by robotguy

DARPA Grand Challenge

Is anybody reading the blogs and NQE results? People are very confident that there will be not only a winner this year...

80 comments posted 20yrs

posted by padu

80 comments posted 20yrs posted by padu

Broken Robosapien Wanted

I am looking for a Robosapien V1 that can be donated (or obtained for a very reasonable price) for testing. I am trying...

0 comments posted 20yrs

posted by james

0 comments posted 20yrs posted by james

Correcting a Rate Gyro Issues?

Hi all, I've recently included a gyro on my robot to enable me to determine direction, as working out from wheel measur...

8 comments posted 20yrs

posted by markwod

8 comments posted 20yrs posted by markwod

Sensors: "Where is the other end of my tether?"

There are several different approaches to determining a robot's position "absolutely" (okay, relative to the Earth) suc...

15 comments posted 20yrs

posted by frnak

15 comments posted 20yrs posted by frnak

Robosapien Serial Communications

I am looking for a PC -> Serial -> Robosapien solution. If anyone has seen this done or has any ideas, please let me kno...

9 comments posted 20yrs

posted by james

9 comments posted 20yrs posted by james

SMA Actuators

Has anyone experimented with any SMA actuators? I don't mean raw nitinol wire, but encapsulated actuators like those ma...

0 comments posted 20yrs

posted by usenet.20.evilspam

0 comments posted 20yrs posted by usenet.20.evilspam

SEMA motors

Can anyone confirm or deny that the Briggs & Statton Etek "pancake" motors: http://robotcombat.com/marketplace_etek.htm...

0 comments posted 20yrs

posted by blumley

0 comments posted 20yrs posted by blumley

Newbie: getting started in robotics. uC and board questions

I have been thinking about playing around with robotics in my spare time and have been searching the net and newsgroups...

27 comments posted 20yrs

posted by nealbrains

27 comments posted 20yrs posted by nealbrains

Power Control Electronics

I'm considering adding power control and regulation electronics to my bot. I'd like this it to be able to turn itself o...

2 comments posted 20yrs

posted by usenet.20.evilspam

2 comments posted 20yrs posted by usenet.20.evilspam