TY - CHAP A1 - Himmelstoß, Felix A1 - Votzi, Helmut T1 - Converters to drive two brushed DC machines T2 - 2021 IEEE 15th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG), 14-16 July 2021, Florence, Italy KW - DC converters KW - signal flow graph KW - step-up-down KW - permanent magnet (PM) DC machine Y1 - ER -