Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Komada Satoshi and Ishida Muneaki and Hori Takamasa,Continuous path control of direct drive motors based on disturbance observer.,IEEJ Transactions on Industry Applications,09136339,The Institute of Electrical Engineers of Japan,1990,110,11,1141-1146,https://cir.nii.ac.jp/crid/1390282679632495872,https://doi.org/10.1541/ieejias.110.1141