RA6T2 Sensorless Vector Control Application Note [1] overview

[Introduction]This application note introduces the sample program of the sensorless vector control permanent magnet synchronous motor driver based on the Renesas RA6T2 microcontroller, and how to use the motor control development support tool “Renesas Motor Workbench”.

The target software for this application is for reference only and Renesas Electronics Corporation does not guarantee its operation. Please use it after thorough evaluation in the appropriate environment.

Health Check Device

The health of the target software for this application note is checked using the following devices.

RA6T2 (R7FA6T2BD3CFP)

1 Overview

This application note explains how to implement sensorless vector control software for driving a permanent magnet synchronous motor (PMSM) using the RA6T2 microcontroller, and how to use the motor control development support tool “Renesas Motor Workbench”.

Note that this software uses the algorithm described in the application note “Sensorless Vector Control of Permanent Magnet Synchronous Motors (Algorithm)” (R01AN3786), so refer to that note for details on the algorithm.

1.1 Development environment

Table 1-1 and Table 1-2 list the development environments for the software described in this application note.

Table 1-1 Hardware development environment

Table 1-2 Software development environment

For purchasing and technical support, please contact your Renesas sales representatives and distributors.

2. System overview

An overview of the system is as follows.

2.1 Hardware configuration

The hardware configuration is shown below.

Figure ‎2-1 Hardware configuration diagram

2.2 Details of hardware changes

Need to change jumper pins to use this system.

Please change the jumper (JP8 and JP11) connections from connecting pins 1-2 to pins 2-3.

Figure 2-2 Changing jumper connections

2.3 Hardware Specifications

2.3.1 User interface

Table 2-1 and Table 2-2 list the user interface of this system.

Table 2-1 User interface

Table 2-3 lists the port interfaces of this system.

Table 2-3 Port interface