Frequency estimation and parallel control for multi-disturbance rejection: Application to image-stabilized piezoelectric tip-tilt stages

Key Points

• Multi-disturbance rejection effectively stabilizes image data, enhancing precision in observation.
• The control algorithm successfully estimates frequency changes, achieving rapid adjustments in real-time operations.
• Employing a parallel control strategy, the system anticipates various disruptions to maintain stability and clarity.
• Outcomes indicate enhanced reliability for piezoelectric systems, essential for precise imaging applications.