Recursive Algorithms for Implementing Digital Image Filters. - Leonard A. Ferrari; P. V. Sankar; S. Shinnaka; Jack Sklansky (IEEE Trans. Pattern Anal. Mach. Intell., 1987)

New sensorless vector control using minimum-order flux state observer in a stationary reference frame for permanent-magnet synchronous motors. - S. Shinnaka (IEEE Trans. Ind. Electron., 2006)