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TMS320F28027: modulation

Part Number: TMS320F28027
Other Parts Discussed in Thread: MOTORWARE

Tool/software:

E:\ti\motorware\motorware_1_01_00_18\sw\solutions\instaspin_foc\boards\boostxldrv8305_revA\f28x\f2802xF\projects\ccs\proj_lab10a

Hello, through the modulation routine, change this to 0.56. #define USER_MAX_VS_MAG_PU ( 0.56) // Set It is found that the motor will rattle and the bus current will jump at the extra speed without load. What is the reason and has the modulation been introduced in detail?