TMS320F28054M: Motor Vibrations

Hi GB,

Are you using any TI EVM? What is your motor parameters? 

Thanks,

Jiaxin

Hi Jiaxin,

These are my motor parameters: 

#define USER_MOTOR_TYPE                 MOTOR_Type_Pm
#define USER_MOTOR_NUM_POLE_PAIRS       (2)
#define USER_MOTOR_Rr                   (NULL) 
#define USER_MOTOR_Rs                   (1.892402) 
#define USER_MOTOR_Ls_d                 (0.00023)
#define USER_MOTOR_Ls_q                 (0.00023)
#define USER_MOTOR_RATED_FLUX           (0.0835702) 
#define USER_MOTOR_MAGNETIZING_CURRENT  (NULL)
#define USER_MOTOR_RES_EST_CURRENT      (1.5) 
#define USER_MOTOR_IND_EST_CURRENT      (-1.5)
#define USER_MOTOR_MAX_CURRENT          (6.5)
#define USER_MOTOR_FLUX_EST_FREQ_Hz     (60.0)//100
#define USER_MOTOR_ENCODER_LINES        (1024.0)
#define USER_MOTOR_MAX_SPEED_KRPM       (5.6)
#define USER_SYSTEM_INERTIA             (0.01061397791) 
#define USER_SYSTEM_FRICTION            (0.01320964098)

Thanks,

GB

Thanks. Do you use InstaSpin with the HV motor kit?

No. I use the TMS320F28054M in a custom PCB.

Can you advise how did you determine the Rs value for your motor here?