TY - CONF T1 - Resonant current estimation and phase-locked loop control system for inductorless step-up single piezo element-based (SUPRC) DC-DC converter CY - Brussels, Belgium JO - 48th Annual Conference of the Industrial Electronics Society IECON 2022 Conference PY - 2022/10/20 AU - Foster M AU - Forrester J AU - Davidson J ED - PB - IEEE Y2 - 2024/12/22 ER -