Integrating H2 Synthesis and Dynamic Error Budgetting for Improved Gravitational Wave Detection

Mathyn van Dael,Julia Casanueva,Gert Witvoet,Bas Swinkels,Manuel Pinto,Diego Bersanetti,Maddalena Mantovani,Camilla de Rossi, Piernicola Spinicelli,Tom Oomen

IFAC-PapersOnLine（2023）

Eindhoven Univ Technol | European Gravitat Observ EGO | Nikhef | INFN

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Abstract

Dynamic error budgets are an essential tool in identifying opportunities for improvements in a control system for Gravitational Wave detectors, but their potential is often not fully utilized in the control design. This paper presents a model and dynamic error budget for a challenging nested control system in the Advanced Virgo detector in combination with a systematic control design framework for one of the controllers. This framework fully utilizes the dynamic error budget by using H2 synthesis to allow for fast iterations in the control design when dealing with conflicting control objectives. Simulations together with experimental results on Advanced Virgo illustrate the effectiveness of the presented framework.

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Key words

Modelling,error budget,systematic,H2,control design,Gravitational Waves

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