Investigation of PZT Materials for Reliable Piezostack Deformable Mirror with Modular Design
V Toporovsky, V Samarkin, A Kudryashov… - Micromachines, 2023 - mdpi.com
This article presents a study of the electrophysical properties of a piezoceramic material for
use in adaptive optics. The key characteristics that may be important for the manufacturing of …
use in adaptive optics. The key characteristics that may be important for the manufacturing of …
Fixed-time observer-based tracking controller for a hysteretic piezoelectric deformable mirror of an adaptive optic system
A Mahzounieh, H Koofigar, H Fallah - Optics Express, 2023 - opg.optica.org
Piezoelectric deformable mirrors (DM) are benefited from the high accuracy and swift
dynamics. The hysteresis phenomenon, which inherently exists in piezoelectric materials …
dynamics. The hysteresis phenomenon, which inherently exists in piezoelectric materials …
Hybrid approach for deformable mirror online system identification using RLS algorithm and adaptive forgetting factor optimization
MA Aghababayee, M Mosayebi, H Saghafifar - Optics Express, 2024 - opg.optica.org
In this study, an online system identification (SI) approach based on a recursive least
squares algorithm with an adaptive forgetting factor (AFFRLS) is proposed to accurately …
squares algorithm with an adaptive forgetting factor (AFFRLS) is proposed to accurately …
Hysteresis segmentation modeling and experiment of piezoelectric ceramic actuator
Piezoelectric ceramics have been widely used in ultraprecision displacement drive systems
because of their excellent performance such as fast response and high positioning …
because of their excellent performance such as fast response and high positioning …
Open-loop optimization method based on the GRU and dual-grating demodulation principle for a PZT based optical voltage sensor
C Liu, Y He, W Sun, X Zhang, X He, H Xiong - Applied Optics, 2024 - opg.optica.org
Distributed online monitoring of grid voltage is crucial for ensuring power quality, providing a
foundational data layer for effective grid management. Piezoelectric grating optical voltage …
foundational data layer for effective grid management. Piezoelectric grating optical voltage …