TRICONEX 2000417| TRICONEX | Vector control drive

Description

TRICONEX 2000417| TRICONEX | Vector control drive

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The PowerPC TRICONEX 2000417processor includes an eTPU module with 64 channels, two engines, and a shared data and program memory. ETPU is used for independent vector control drive of two permanent magnet synchronous motors (PMSMs). The CPU program only sets the required torque for each motor. From a timing perspective, the following configuration seems to be the best. An eTPU engine is only responsible for processing signals from position sensors (orthogonal encoders) from two motors. It can achieve a processing capacity of 500000 pulses per second. Two motors (equipped with encoders, 1024 pulses per revolution) can operate simultaneously at a theoretical speed of 15000 rpm. Then, the backup engine is responsible for managing PWM signal generation and controlling the two motors. Its load is constant and independent of the motor speed. Under the condition of PWM frequency of 20kHz and control loop update of 20kHz, it bears 78% of the load.

TRICONEX 2000417plays a very important role in embedded systems in the automotive industry. However, it can also be well utilized in other fields. ETPU is a programmable peripheral device module, which is a processing unit located between embedded software and hardware modules. When programming for eTPU, software engineers face some difficulties as they must meet the hardware requirements of eTPU. Hardware engineers usually say that only hardware is reliable, and any product containing software always has various defects. The ready-made eTPU feature library provided by Freescale has improved this situation to some extent. This library can help software engineers avoid errors. Based on the evaluation of the number of visits to the eTPU web tool, we can say that the use of TRICONEX 2000417is increasing day by day. When evaluating the download count of eTPU libraries, source code modules, documentation, and configuration tools, we also noticed a similar upward trend. We can imagine that developers are paying attention to this field and are trying to fully utilize these free tools and libraries. We will see how successful eTPU will be and whether its use in modern embedded systems will continue to increase, as its functionality is truly worth our attention.

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