Multivariable Dynamic Input Shaping for Two-Axis Fast Steering Mirror

Dautt-Silva, Alicia; Callafon, Raymond A. de

doi:10.1016/j.ifacol.2020.12.464

IFAC-PapersOnLine

2020

DOI: 10.1016/j.ifacol.2020.12.464

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Multivariable Dynamic Input Shaping for Two-Axis Fast Steering Mirror

Alicia Dautt-Silva

Raymond A. de Callafon

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2022

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Cited by 2 publications

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Application of Dynamic Input Shaping for a Dual-Mirror System

Dautt-Silva

Callafon

2022

Journal of Dynamic Systems, Measurement, and Control

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The task of trajectory planning for a dual-mirror optical pointing system greatly benefits from carefully designed dynamic input signals. This paper summarizes the application of multivariable input shaping (IS) for a dual-mirror system, starting from initial open-loop step-response data. The optical pointing system presented consists of two Fast Steering Mirrors (FSM) for which dynamically coupled input signals are designed, while adhering to mechanical and input signal constraints. For the solution, the planned trajectories for the dual-mirrors are determined via (inverse) kinematic analysis. A linear program (LP) problem is used to compute the dynamic input signal for each of the FSMs, with one of the mirrors acting as an image motion compensation device that guarantees tracking of a planned trajectory within a specified accuracy and the operating constraints of the FSMs.

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Application of Dynamic Input Shaping for a Dual-Mirror System

Dautt-Silva

Callafon

2022

Journal of Dynamic Systems, Measurement, and Control

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Dynamic input shaping and image motion compensation for a dual-mirror system

Dautt-Silva

Callafon

2022

Appl. Opt.

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This paper shows that the task of trajectory planning for a dual-mirror optical pointing system with mechanical vibrations greatly benefits from carefully designed dynamic input signals, especially when high bandwidth throughput is required. The optical pointing system consists of two fast steering mirrors (FSMs) for which dynamically coupled input signals are designed, while adhering to mechanical and input signal constraints. A linear programming problem is used to compute the dynamic input signal for each FSM, with one acting as an image motion compensation device. The result is a dynamically coupled set of planned input signals that improve the overall tracking of the dual-mirror optical pointing system.

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Multivariable Dynamic Input Shaping for Two-Axis Fast Steering Mirror

Cited by 2 publications

References 8 publications

Application of Dynamic Input Shaping for a Dual-Mirror System

Application of Dynamic Input Shaping for a Dual-Mirror System

Dynamic input shaping and image motion compensation for a dual-mirror system

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