The DC motor is being rapidly replaced in the industry by the permanent magnet synchronous motor (PMSM). which has a number of benefits over it. Nonlinear equations are used to describe the dynamics of the PMSM. It is susceptible to unidentified external disturbances (load). https://www.spidertattooz.com/Nora-NEFLINTW-R6MPW-6-E-Series-FLIN-Round-LED-Downlight-27K-30K-35K-40K-50K-Selectable-120V/