2.2.3.1 Setting PWM Interface
Field-Oriented Control (FOC) involves generating three-phase voltages to create stator flux, which interacts with the rotor flux to produce motor torque. For more details, refer to Field Oriented Control.
The generation of three-phase voltages is achieved through PWM (Pulse Width Modulation) modulation. QSpin simplifies the configuration of the PWM peripheral through a straightforward setup process.
The following section provides a comprehensive guide on configuring the position interface, including detailed descriptions of the various fields and configuration options.
PMW Interface Graphical User Interface
The graphical user interface for the PWM interface is displayed as follows:
Steps for Signal Setup
In Harmony QSpin, the PWM Interface can be set up in the following steps:
Select the PWM Instance
Set the following configuration of the PWM peripheral:
Table 2-3. PWM Peripheral Configuration Fields Description Select Instance Select the quadrature decoder instance PWM Frequency (Hz) Set PWM frequency in Hertz PWM Period (in seconds) View PWM period in seconds Dead Time (uS) Set dead time in microseconds Phase A channel Select channel for phase A voltage Phase B channel Select channel for phase B voltage Phase C channel Select channel for phase C voltage Set fault configurations:
Table 2-4. Fault Configurations Fields Description Fault Type Select fault type - external pin or internal fault