US 12,283,422 B2
Control system for controlling a magnetic suspension system
Alexander Smirnov, Lappeenranta (FI); and Nikita Uzhegov, Lappeenranta (FI)
Assigned to SPINDRIVE OY, Lappeenranta (FI)
Appl. No. 17/921,873
Filed by SpinDrive Oy, Lappeenranta (FI)
PCT Filed Apr. 1, 2021, PCT No. PCT/FI2021/050244
§ 371(c)(1), (2) Date Oct. 27, 2022,
PCT Pub. No. WO2021/219927, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 20205433 (FI), filed on Apr. 28, 2020.
Prior Publication US 2023/0207176 A1, Jun. 29, 2023
Int. Cl. H02K 7/09 (2006.01); F16C 32/04 (2006.01); H01F 7/20 (2006.01)
CPC H01F 7/206 (2013.01) [F16C 32/0451 (2013.01); F16C 32/0459 (2013.01); H02K 7/09 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A control system for controlling a magnetic suspension system, the control system comprising:
controllers each being configured to control one or more of magnetic actuators of the magnetic suspension system for magnetically levitating an object,
wherein one of the controllers is configured to operate as a master controller and other one or ones of the controllers are configured to operate as one or more slave controllers, and the master controller is communicatively connected with one or more digital data transfer links to the one or more slave controllers, wherein digital data transferred via the one or more digital data transfer links is indicative of reference values of electric currents of coils of the magnetic actuators, the master controller being configured to control operation of the one or more slave controllers, and
wherein each of the controllers comprises a control board configured to carry out computations related to magnetic levitation and replaceable power boards each being configured to supply electric current in accordance with a control signal received from the control board.