Safety-constrained transient control for aero-engines: A data-driven diffeomorphic ADP framework
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View abstract on PubMed
Summary
This summary is machine-generated.A new adaptive dynamic programming (ADP) framework ensures aero-engine safety during transitions by transforming constraints. This data-driven method improves control performance and reduces acceleration time.
Area Of Science
- Aerospace Engineering
- Control Theory
- Artificial Intelligence
Background
- Aero-engine control requires managing complex transient conditions while adhering to strict safety limits.
- Existing methods struggle with wide-range transients and explicit constraint enforcement.
- Developing robust control strategies for safe and efficient aero-engine operation is critical.
Purpose Of The Study
- To develop a novel data-driven adaptive dynamic programming (ADP) framework for safety-constrained aero-engine control.
- To explicitly enforce state and input safety constraints during wide-range transient operations.
- To enhance control performance and reduce computational complexity in aero-engine applications.
Main Methods
- Utilizing diffeomorphic transformations to eliminate explicit state constraints, reformulating the problem with virtual input saturation.
- Designing an inverse hyperbolic tangent barrier function to handle input constraints and apply Bellman's optimality principle.
- Employing a data-driven policy iteration method to approximate the Hamilton-Jacobi-Bellman equation and derive the optimal control law.
Main Results
- The proposed ADP framework successfully enforces state and input safety constraints.
- Simulations on a JT9D engine demonstrated safe and rapid operating condition transitions.
- The method achieved superior control performance, reducing acceleration time by 24.6%, compared to PID and PSO-MPC.
Conclusions
- The developed data-driven diffeomorphic ADP framework offers a feasible and stable solution for safety-constrained aero-engine control.
- The approach significantly improves control performance and efficiency during transient conditions.
- This research presents a practical advancement for modern aero-engine control systems.
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