Questions tagged [attitude-control]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
4
votes
1answer
82 views

Space Shuttle: What are the filters in the attitude error calculation?

Here's a schematic from the space shuttle training manuals showing how the "attitude" error signal used to drive the thrust vector controllers was determined. "Attitude" in quote ...
1
vote
1answer
50 views

PID Control with Error Rotation Matrices?

I'm modeling a rocket with PID controllers for thrust vectoring. The PID controllers take in attitude errors as input, then output engine gimbal actuator commands. The attitude errors are individual ...
6
votes
1answer
270 views

Modeling attitude control: ramping/easing between attitude commands?

Say you switch from your current guidance program to a brand new program that commands your spacecraft to a different attitude. Assume the new attitude is a discontinuous step change from your ...
6
votes
1answer
95 views

RCS jet select algorithms (e.g. in space shuttle)?

I'm looking for a clear description of RCS jet selection logic. The space shuttle, for instance, had tens of RCS thrusters, only three of which would be called to fire at a time given a 3D attitude ...
7
votes
1answer
1k views

Why two engines on stage 2 of New Glenn if it's disposable?

From a controls perspective, two engines is nice, as it's the minimum required for roll control. A single engine would give you just pitch and yaw control, so you'd need a separate system just for ...