Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hayashi Kazuhiko and Sato Noriaki and Takabayashi Hayato,A Study of Forced Commutation Method of Constant Current Type Inverter for Commutatorless Motor,IEEJ Transactions on Power and Energy,0385-4213,The Institute of Electrical Engineers of Japan,1976,96,3,99-106,https://cir.nii.ac.jp/crid/1390001204602920320,https://doi.org/10.1541/ieejpes1972.96.99