Dynamic modeling of a piezoelectric micro-lens actuator with experimental validation

SMR Rasid, A Michael, HR Pota - Sensors and Actuators A: Physical, 2023 - Elsevier
Micro-lens actuators with low power consumption, fast response time, large deflection, and
low driving voltage are highly desirable for micro-optics applications such as smartphone …

On-Chip Self-Sensing Piezoelectric Micro-Lens Actuator With Feedback Control

SMR Rasid, A Michael, HR Pota - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
High-speed micro-lens actuators are required for fast auto-focusing in miniaturized cameras.
The speed can be enhanced by adding dam** at the resonance frequency through …

Design and Implementation of Robust Resonant Controller for Piezoelectrically Driven Micro-Lens Actuator

SMR Rasid, A Michael, HR Pota… - Journal of …, 2022 - ieeexplore.ieee.org
MEMS based piezoelectrically driven micro-lens actuator experiences resonance frequency
shift with changing actuation voltage and exhibits low level of dam**. In this paper, we …

Self-sensing Piezoelectric Micro-lens Actuator

SMR Rasid, A Michael, HR Pota… - 2022 IEEE …, 2022 - ieeexplore.ieee.org
The fast micro-lens actuator used in portable micro-optics devices needs an integrated
sensing mechanism for feedback control. This paper presents the design and …

[PDF][PDF] Modeling and Control of On-chip Self-sensing Piezoelectric Micro-lens Actuator for Micro-optics Applications

SMR Rasid - 2023 - unsworks.unsw.edu.au
This thesis presents modeling and control of an on-chip self-sensing novel multi-layered thin-
film piezoelectrically-driven microlens actuator that has the potential to be used in micro …