A speed-sensorless IM drive with decoupling control and stability analysis of speed estimation. - Surapong Suwankawin; Somboon Sangwongwanich (IEEE Trans. Ind. Electron., 2002)

Design strategy of an adaptive full-order observer for speed-sensorless induction-motor Drives-tracking performance and stabilization. - Surapong Suwankawin; Somboon Sangwongwanich (IEEE Trans. Ind. Electron., 2006)

Novel topologies for three-level back-to-back converters based on matrix converter theory. - Korawich Niyomsatian; Surachet Samermurn; Surapong Suwankawin; Somboon Sangwongwanich (IECON, 2012)

A Dipolar PWM Algorithm for Direct Power Control of Dual-Input Three-Level Inverters. - Monchai Ariyapuek; Surapong Suwankawin; Somboon Sangwongwanich; Ariya Sangwongwanich (IEEE Trans. Ind. Electron., 2025)