Motor drive system hardware-in-the-loop simulation test
With the concept of energy saving and emission reduction and green living gradually gaining popularity, new energy power generation systems and new energy electric vehicles are increasingly used in life. Motor control is a hot and critical research topic in electric drive systems for wind power systems and new energy electric vehicles. However, for researchers, the power of the new energy system and the electric motor in the electric vehicle are relatively high, such as some extreme conditions, environmental factors and other research conditions are not easy to implement on the physical system; at the same time, for the motor drive and control system R&D and production, traditional development methods have long cycle times, slow iterations, and poor reliability.
Hardware-In-the-Loop Testing (HIL) as an efficient R&D tool can help researchers better prototype development and algorithm verification, effectively shorten product development time while ensuring product quality, and save costs. At the same time accelerate the output of the results.
The concept and value of HIL
Hardware-in-the-loop simulation (also known as hardware-in-the-loop simulation) is an experimental and research method developed with new technologies such as computer hardware technology, real-time operating system, and power system modeling. The basic principle of hardware-in-the-loop simulation devices is to run The real-time system of the mathematical model simulates the behavior of the physical system, and is connected to the controller through the actual I/O interface, which not only utilizes the flexibility of software modeling, but also has the ability to replace the physical system. For the development and testing of the motor drive system, the hardware-in-the-loop simulation can test the control board as a whole (the control algorithm of the chip-on-chip operation, the IO channel of the board, etc.) in a very close to the real working condition, which is easy to test. Test fault conditions, easy to automate test, easy to reproduce various working conditions and so on.
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