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Research profile Dr. M.A. (Marco Augusto) Beltran

Dr. M.A. (Marco Augusto) Beltran graduated on 27 May 2022 on Multi-loop Hysteresis and Recursive Remnant Control.

Project: Modeling and control of hysteretic deformable mirrors for high-contrast imaging systems

In this project, we will develop model-based nonlinear control algorithm for the control of a novel hysteretic deformable mirror (HDM). For enabling wavefront control in a high-contrast coronagraph instrument for future space-telescopes, with the ultimate goal of finding and characterizing Earth-like exoplanets, we have developed a novel deformable mirror (DM) concept based on new hysteretic piezoelectric material and new distributed polarization method. It allows for a high-density, low-power and scalable DM system which is crucial for space application. The demonstrator is currently being built and tested by a multidisciplinary team from ENTEG (Engineering and Technology institute Groningen), ZIAM (Zernike Institute for Advanced Material), SRON (Dutch Space Research Agency) and KAI (Kapteyn Astronomical Institute).

As an instrumental element of this novel DM system, the smart control system will be developed by the PhD student/Early Stage Researcher (PhD student) within DSSC. In particular, the PhD student will (i). model and characterize the realized HDM demonstrator, including, hysteresis and dynamical behavior; (ii). perform systems identification/identify parameters based on the real-time dynamical data; (iii). develop a distributed control method for achieving desired shape of the DM; and (iv). develop a combination of data-driven and model-based distributed control algorithm for continuous and iterative improvement of the control systems.

Keywords: Control algorithm; Distributed nonlinear control method; Advanced instrumentation; Mechatronic systems; Systems identification; Model-based control algorithm; Data-driven control algorithm.

Field of expertise: Systems and Control; Applied Mathematics; Applied Physics; Astronomy; Mechanical Engineering; Electrical & Electronics Engineering; Mechatronics; Advanced Instrumentation; Opto-mechatronics; Precision Engineering.

Last modified:10 May 2023 11.53 a.m.