A linearly controlled direct-current power source for high-current inductive loads in a magnetic suspension wind tunnel

Original publisher: [Washington, D.C.] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; [Springfield, Va. : For sale by the National Technical Information Service], 1990. OCLC Number: (OCoLC)24899857 Subject: Airplanes -- Models -- Automatic control -- Equipment and supplies. Excerpt: ... Disable Axp D 1 Axn-Cxp D 2-C xn Bxp D 3 Bxn-Axp D4-Axn Cxp D 5 Cxn-Bxp D6-Bxn I.. _ Figure 9. Commutation logic for cyclic control register. 13