# Roy Brewer's Discussions (96)

Discussions Replied To (93) Replies Latest Activity

### "@bcr Yes - I am one of those people who want to learn by doing and grow technically.…"

Roy Brewer replied Feb 22, 2011 to Arm Cortex-M3 based Quadrotor Board

32 Aug 24, 2011

### "I wasn't trying to discourage Arko from his project (after all, I'm not allowing the…"

Roy Brewer replied Feb 17, 2011 to Arm Cortex-M3 based Quadrotor Board

32 Aug 24, 2011

Roy Brewer replied Feb 16, 2011 to Arm Cortex-M3 based Quadrotor Board

32 Aug 24, 2011

### "Scott,   I am a big fan of pedagogy!  I'm looking forward to reading your notes.   T…"

Roy Brewer replied Feb 9, 2011 to DCM Algorithm vs Direct Integration

22 Mar 1, 2012

### "Scott,   I've seen some papers that discuss "invariant observers" that I believe are…"

Roy Brewer replied Feb 9, 2011 to DCM Algorithm vs Direct Integration

22 Mar 1, 2012

### "In acro mode, the angular rate is proportional to the r/c joystick input. In stable,…"

Roy Brewer replied Feb 8, 2011 to AcroStable mode - is this possible?

5 Feb 11, 2011

### "SCott,   The OP was just assuming that omega = d theta / dt (where theta is pitch, r…"

Roy Brewer replied Feb 8, 2011 to DCM Algorithm vs Direct Integration

22 Mar 1, 2012

### "Jon,   It looks like you already got some answers on the AeroQuad forum, but for the…"

Roy Brewer replied Jan 12, 2011 to Flight Control Algorithm

2 Jan 12, 2011

### "Limiting the feedback output (as Jason indicates) is one solution, but it can also l…"

Roy Brewer replied Jan 7, 2011 to Quadrotor PID control help please

28 Jan 24, 2011

### "Ideally, it should not oscillate +/- 10 degrees at all! If you had a linear issue (e…"

Roy Brewer replied Jan 7, 2011 to Quadrotor PID control help please

28 Jan 24, 2011

1

2

3

4

5

6

7

8

9

10

## Groups

277 members

3163 members

1 member

1123 members

• ### ArduBoat User Group

258 members

Season Two of the Trust Time Trial (T3) Contest
A list of all T3 contests is here. The current round, the Vertical Horizontal one, is here