Balancing of Robustness and Performance for Triple Inverted Pendulum Using μ-Synthesis and Gazelle Optimization
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Robust control design for a triple inverted pendulum using mu-synthesis and a metaheuristic; a control engineering contribution.
The paper develops and simulates a control strategy for an inverted pendulum, not research practice.
Control-engineering paper balancing robustness and performance of a triple inverted pendulum.
Résumé
The control of systems like: bipedal locomotion robots, space launch vehicle, offshore wind turbines, and active vibration control systems in buildings and bridges, have to ensure, besides stability and accuracy, the system's insensitivity to parameters' uncertainties, unmodeled dynamics, external disturbances, and measurements noise.In such systems analysis and controller design, a triple inverted pendulum can be used as a benchmark to mimic systems characteristics and effect of different sources of uncertainty.μ-synthesis is a robust control method which seeks a controller that minimizes the robust H-infinity performance of the closed-loop system through D-K iteration.The D-K iteration is not guaranteed to converge to a global, or even local minimum.Hence this paper proposes the enhancement of controller design by applying gazelle optimization technique to shape the fictitious output by determining the parameters of the performance weighting matrix.The incorporation of optimization with controller design allows avoiding getting unnecessarily conservative system at the expense of performance.The developed control system is simulated using Matlab R2023b for different scenarios of system uncertainty.The results show that the requirements of robustness and performance can be balanced through the right choice of cost function.The robust performance measure obtained is 0.6432 which leads to good response for both stabilization and tracking in the presence of uncertainty.The results also show that even the baseline μ-synthesis design achieves higher robust stability margin about 2.818, the proposed optimized method stabilizes the system with overshoot been reduced by 67.65% and steady state error reduced by 5.69% without sacrificing robustness.
Conservé avec la notice de tri, où il sert de preuve aux étiquettes ci-dessus.
La notice
- Revue
- Journal Européen des Systèmes Automatisés
- Thématique
- Evolutionary Algorithms and Applications
- Domaine
- Computer Science
- Établissements canadiens
- —
- Organismes subventionnaires
- —
- Mots-clés
- Robustness (evolution)Inverted pendulumControl theory (sociology)Computer scienceMathematicsPhysicsBiologyNonlinear systemArtificial intelligenceControl (management)Genetics
- Résumé présent dans OpenAlex
- oui