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UM0324 Datasheet(PDF) 1 Page - STMicroelectronics |
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UM0324 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 105 page  February 2007 Rev 1 1/105 UM0324 User manual STR750 AC induction motor IFOC software library V1.0 Introduction This user manual describes the AC induction motor IFOC software library, an Indirect Field Oriented Control (IFOC) Firmware Library for 3-phase induction motors developed for the STR750 microcontroller. This 32 bit, ARM cored ST microcontroller, comes with a set of peripherals which make it suitable for performing both permanent magnet and AC induction motors FOC. In particular, this manual describes the STR750 software library developed to control AC induction motors equipped with an encoder or tacho-generator, in both open and closed loop. The control of a permanent magnet (PM) motor in sinewave mode with encoder is described in the UM0312 User Manual. The AC IM IFOC software library is made of several C modules, compatible with the IAR EWARM toolchain. It will allow you to quickly evaluate both the MCU and the available tools. In addition, when used together with the STR750 motor control starter kit (STR750-MCKIT) and an AC induction motor, you will be able to get a motor running in a very short time. It also eliminates the need for time-consuming development of IFOC and speed regulation algorithms by providing ready-to-use functions that let you concentrate on the application layer. A prerequisite for using this library is basic knowledge of C programming, AC motor drives and power inverter hardware. In-depth know-how of STR750 functions is only required for customizing existing modules and for adding new ones for a complete application development. The figure below shows the architecture of the firmware. It uses the STR750 Standard Library extensively but it also acts directly on hardware peripherals when optimizations in terms of execution speed or code size are required. www.st.com |
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