US 7,514,890 B2
Surgical machine and method for controlling and/or regulating a surgical machine
Juergen Schneider, Tuttlingen (Germany); Roland Alois Hoegerle, Tuttlingen (Germany); and Harald Konrath, Rottenburg-Hailfingen (Germany)
Assigned to Aesculap AG, Tuttlingen (Germany)
Filed on Jan. 22, 2008, as Appl. No. 12/9,816.
Application 12/009816 is a continuation of application No. 11/649717, filed on Jan. 03, 2007, granted, now 7,362,062.
Application 11/649717 is a continuation of application No. PCT/EP2005/007759, filed on Jul. 16, 2005.
Claims priority of application No. 10 2004 038 415 (DE), filed on Jul. 30, 2004.
Prior Publication US 2008/0118234 A1, May 22, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. H02P 7/00 (2006.01)
U.S. Cl. 318—432  [318/434; 318/609] 27 Claims
OG exemplary drawing
 
1. Surgical machine, comprising:
a sensorless electric motor comprising a rotor and at least two motor windings, and
a motor controller for at least one of controlling and regulating the electric motor,
wherein a space vector pulse width modulation (SVPWM) method (A) for said at least one of controlling and regulating the electric motor, in which all motor windings are able to be simultaneously supplied with electric current, is performable with the motor controller.