Overview of drive-related control modes

Principle

Voltage
controlled
according to characteristic curve

Field-oriented, voltage-controlled, stator flux controller, torque controller

Field-oriented, current controller

Field-oriented, current controller

Motor

ASM

LSPMNo guided startup.

ASM

RSM

ASM

SM

SM

Encoder

Without

Without

Without

With

Without

With

With

With

Without

Dynamics

+

No specification.

+++

++++

+++

++++

+++++

+++++

++

Efficiency

+

No specification.

+++

+++

+++

+++

++

+++++

++++++

Motor parameter
measurement

–

Determination of load inertia

–

–

Flying start

In V/f flying start via DC braking.

–

Flow
optimization

–

–