3 papers
physics.optics2024
Energy Consumption of GEO-to-ground Beaconless Link Acquisition Against Random Vibration with Coherent Detection
Sen Yang, Xiaofeng Li
The GEO satellite maintains good synchronization with the ground, reducing the priority of acquisition time in the establishment of the optical link. Whereas energy is an important…
eess.SY2024
High-Accuracy Model Predictive Control with Inverse Hysteresis for High-Speed Trajectory Tracking of Piezoelectric Fast Steering Mirror
Sen Yang, Xiaofeng Li
Piezoelectric fast steering mirrors (PFSM) are widely utilized in beam precision-pointing systems but encounter considerable challenges in achieving high-precision tracking of fast…
eess.SY2024
First Principles based High-precision Modelling and Identification of Piezoelectric Fast Steering Mirror
Sen Yang, Xiaofeng Li
We establish a high-precision composite model for a piezoelectric fast steering mirror (PFSM) using a Hammerstein structure. A novel asymmetric Bouc-Wen model is proposed to descri…