Development suite measures motor parameters

Motor-control software plug-in for the MPLAB® X InDE has auto-tuning and self-commissioning capability. It allows customers to focus on other parts of firmware development and speed time-to-market.

The plug-in, called motorBench Development Suite, is a GUI-based tool with automatic tuning of feedback control gains and offline accurate measurement of critical motor parameters such as resistance, inductances and the back electromagnetic force (EMF) constant. The plug-in collects all the information relevant to the motor-control system and auto-tunes the control algorithm gains. The software uses this information to generate MPLAB X IDE project code ready to run on the company’s dsPIC33EP family of Digital Signal Controllers (DSCs). The generated code can be reviewed and edited as needed and flashed as motor-control firmware.

The motorBench development suite automates the time-consuming and complicated process of tuning the control loops for speed and torque to ensure that permanent magnet synchronous motors (PMSM) spin reliably.

The motorBench development suite is currently available using Microchip’s dsPICDEM MCLV-2 development board (DM330021-2) with a dsPIC33EP256MC506 external op amp motor control plug-in-module (PIM) (MA330031-2) and a 24V, three-phase brushless DC motor with encoder (AC300022).

The motorBench Development Suite is a free software plug-in for MPLAB X IDE.


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