Attitude Control & Pointing

Power-Aware Attitude Control

Understand how power constraints affect attitude control decisions and how to balance them.

University intro
Time estimate
30–35 min
Complexity
advanced
Maturity
pilot ready
Simulator readiness
implemented
Software available now
Available now in one-axis simulator — `power_aware_attitude_control`; power/eclipse context is teaching overlay, not full EPS simulation.

Student path

  1. Select a power availability preset and a controller gain.
  2. Read the recommended wheel effort limit and battery risk flag.
  3. Compare full-power vs low-power modes — what changes?
  4. Write one operations rule for when to use power-aware mode.

Learning outcomes

Student can explain how a power-limited scenario changes controller behaviour and mission safety.

  • Explain what power-aware control mode does differently.
  • Connect wheel effort reduction to power savings.
  • State when power-aware control is necessary for mission safety.

Concept primer

Understand how power constraints affect attitude control decisions and how to balance them.

Run power_aware_attitude_control experiment; compare power margin and wheel effort.

Write a short operations rule: when should power-aware mode be used?

Interactive lab

Teaching-grade software activity slot — not a flight simulator or certified propagator.

Power-aware control lab

How does power availability change ADCS behaviour?

Normal mode wheel effort

Medium wheel effort

Moderate settle (10–30 s)

Power-aware mode

Effort reduced by 35%

Overshoot ≈ 5% (vs 8% normal)

Operations rule

When power margin is thin (eclipse, low battery), reduce wheel effort to conserve bus power — accept slightly slower attitude settling. Reserve aggressive control for mission-critical manoeuvres only.

Local self-check

Assessment (practice only)

Use this as a self-check and discussion starter. It is local-only and not a grade.

Optional: attaches a local summary (completed / quick checks / checklist count).

Quick check

Multiple choice self-check

This is a local self-check to support discussion. It is not a grade.

Quick check: Power-aware control mode reduces wheel effort primarily to...

Discussion prompt

Short answer (local only)

Write notes for yourself or your group. Nothing is submitted.

Reflection: Write one operations rule: when should power-aware control be used instead of normal control?

Checklist

Local checklist self-check

Use this to verify you covered key ideas. Nothing is submitted.

Self-check:

0 / 3 checked

Local summary

Assessment summary (practice only)

Completion

0 / 3 sections complete

Quick checks

0 / 1 correct

Shown only to support self-check.

Checklist

0 / 3 items checked

Reminder

Local-only practice summary. Not a grade and not submitted anywhere.

What this preview is / is not

Assessment engine v0 boundary note

  • Student view (local practice): use this as a self-check and discussion starter.
  • Local-only preview/practice: your answers are not submitted.
  • No backend, no accounts, no roster, and no LMS integration.
  • Not a grade. No credential or official scoring is implied.
  • Teacher visibility into student answers is not implemented in MVPF8.
  • Evidence runtime engine arrives in Phase 9 (not in this preview).

Capture

Evidence capture (local-only)

Capture what you did, what changed, what you observed, and how you explain it. This stays in your browser unless you copy/share it manually.

Selected inputs

  • Power preset: Limited power (partial eclipse)
  • Controller gain: Medium gain (balanced)

Generated outputs

  • Normal wheel effort: Medium wheel effort
  • Power-aware overshoot: 5%
  • Wheel effort saved: Yes — effort reduced
  • Battery risk flag: No

Checklist

Evidence checklist

0/3 checked

Evidence artifact (local-only)

Power-Aware Attitude Control

Captured: 2026-05-16T07:38:33.376Z · Level: high_school · Track: attitude_control

Summary

Copyable class summary

Copy a readable summary for class notes, or copy JSON for a structured record. Local-only: nothing is submitted.

Evidence artifact (v1)
Activity: Power-Aware Attitude Control
Track: attitude_control
Learner level: high_school
Captured: 2026-05-16T07:38:33.376Z

Mission brief:
Power: Limited power (partial eclipse). Gain: Medium gain (balanced).

Selected inputs:
- Power preset: Limited power (partial eclipse)
- Controller gain: Medium gain (balanced)

Generated outputs:
- Normal wheel effort: Medium wheel effort
- Power-aware overshoot: 5%
- Wheel effort saved: Yes — effort reduced
- Battery risk flag: No

Checklist:
- [ ] I can explain what power-aware control does differently from normal mode.
- [ ] I observed reduced wheel effort in the lab under power-limited preset.
- [ ] I wrote an operations rule for when to use power-aware mode.

Observations:
(not provided)

Reflection:
Power: Limited power (partial eclipse). Wheel effort reduced: true.

Model boundary note:
Local-only teaching model — not full 3-axis flight ADCS, not a reaction-wheel safety certification, not remote hardware control, not official attitude determination software. Evidence is not submitted anywhere and is not a grade.

Policy reminder:
- Local-only capture. Not submitted anywhere. Not a grade.

Boundary note

Local-only teaching model — not full 3-axis flight ADCS, not a reaction-wheel safety certification, not remote hardware control, not official attitude determination software. Evidence is not submitted anywhere and is not a grade.

Evidence capture

Expected outputs learners should be able to show after the lab (Phase 9 evidence engine preview available).

  • Chart showing reduced wheel effort or longer settle under power-aware rules
  • Mission narrative line in replay if present

Reflection

Compare normal and power-limited runs; note how the controller adapts.

Responses are not persisted in this preview unless a specific activity component adds storage later.

Assessment / quick check

What is one observable telemetry sign that the spacecraft is being gentler on actuators in power-aware mode?

Teacher notes

Explicitly separate wheel torque limits from true bus voltage collapse physics.

Teacher use

Separate wheel torque limits from true bus voltage collapse physics. The teaching model shows the concept — real EPS / ADCS coupling is far more complex. The lesson is: power constraints propagate to attitude control decisions, and operators must budget for both.

Next activity

Suggested progression from the mission learning path. Links avoid missing activity routes.