1. Shinnaka S Vector control of permanent magnet synchronous motor, 1st vol. (from principle to advanced technology). ISBN 978-4-88554-972-4, Dempa Shimbun 2008
2. Shinnaka S Vector control of permanent magnet synchronous motor, 2nd vol. (essence of sensorless control). ISBN 978-4-88554-973-1, Dempa Shimbun 2008
3. Shinnaka S Control of permanent magnet synchronous motor (sensorless vecotor control). ISBN 978-4-501-11640-8, Tokyo Denki University Publishing 2013
4. Tobari K Sakamoto K Maeda D Endo T Torque maximum control method adaptive to location sensorless control using permanent magnet synchronous motor. Papers of IEEJ Industry Applications, I 389 392 2006
5. A new unified analysis of estimate errors by model-matching phase-estimation methods for sensorless drive of permanent-magnet synchronous motors and new trajectory- trajectory-oriented vector control, part II;Shinnaka;IEEJ Trans IA,2007