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August 2017
DocID030417 Rev 2
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STSW-ESC001V1
Sensorless FOC reference design firmware for
STEVAL-ESC001V1
Data brief
Features
Complete firmware package to implement
sensorless field oriented control (FOC) for
drone electronic speed controller (ESC),
designed to work seamlessly with STEVAL-
ESC001V1 board
Algorithm embedding speed control, full
active breaking control and 3 shunt current
reading
ESC arming and disarming control for safety
Auto-restart function when motor stalls
Embedding routine to accept commands
from most common flight control units
through PWM signals
Plug-in for STM32 PMSM FOC Software
Development Kit - MC library for ST Motor
Profiler
Description
This firmware package for the STEVAL-
ESC001V1 board implements sensorless field
oriented control (FOC) for drone electronic speed
controller (ESC). It includes auto restart
functionality when the motor stalls (e.g., blocked
propeller) and the ESC arming/disarming safety
measure.
The STSW-ESC001V1 firmware package is
composed of three parts (see User manual
UM2200): the Motor Control firmware for the
STEVAL-ESC001V1, the PC software plug-in to
manipulate STEVAL-ESC001V1 parameters with
the ST Motor Profiler, and the project file suited
for the ST Motor Control Workbench (STSW-
STM32100).
A sensorless FOC algorithm drives the motor,
and the firmware accepts commands from most
common flight control units through PWM signals;
developers can also exploit CAN, UART or I²C
communication through the relative connectors
on the STEVAL-ESC001V1 board.
The plug-in for the ST Motor Profiler offers real
time motor parameter information to help you
quickly get your drone flying.
