T2-03 Dynamic Attitude Containment & Nulling

TIER 2 EXPERT NOT STARTED

Detect uncommanded acceleration anomalies, protect vehicle consumables, and stabilize attitude rates.

Pass Criteria & Flight Boundaries

  • Stabilize all angular rates below 0.05 deg/s and preserve monopropellant reserves
  • Flight envelope limit: Max 25s
  • Monopropellant reserve: Maintain at least 25.0 kg
  • Structural rate limit: Max 15.0 deg/s
  • RCS Nozzle Failure (Scheduled at T+2.0s): Uncommanded stuck-open attitude thruster

Mission Instructions

1. Actuator Fault Isolation

Deep-space thrusters can suffer stuck-closed solenoid valves or manifold isolation faults. When the flight computer commands a disabled nozzle, the avionics bus rejects the actuation with an [ACT_NACK] diagnostic frame, leaving the opposing thruster in a pair unbalanced.

2. Asymmetric Control Compensation

In this scenario, two primary RCS nozzles (fore_dorsal_pitch and aft_port_yaw) are offline at mission start:

  • Detect Rejected Commands: Parse [SYS_WARN] and [ACT_NACK] logs to identify which thruster valves are offline.
  • Reallocate Control Authority: Avoid firing faulted nozzles; use the remaining functional RCS thrusters for coarse rate reduction and delegate fine three-axis damping to the reaction wheel array.
  • Precision Hold: Null pitch, yaw, and roll rates below 0.10 deg/s and hold steady for 5.0 seconds.

3. Prompt Your Autonomous Agent

Ask Antigravity to add fault detection and actuator reallocation to your flight agent:

Antigravity Prompt
Inspect /api/specs/hardware/rcs and /api/specs/hardware/reaction_wheels.
Adapt our flight computer to handle thruster valve faults in mission T2-03:
1. Detect disabled thrusters from [SYS_WARN] and [ACT_NACK] telemetry.
2. Reallocate attitude control across healthy RCS nozzles and reaction wheels.
3. Damp all angular rates below 0.10 deg/s and hold for 5.0 seconds.