The brushless DC motor control system hardware design is introduced, and the software flow taking AVR microcomputer as the core of the control system is given. Finally, the reliability and stability of the system are validated through the current single-loop simulation and experiment.%进行了直流无刷电动机控制系统的硬件设计，并给出采用AVR单片机为核心的控制系统软件流程。最后，通过电流单闭环仿真及实验验证了该系统的可靠性和稳定性。
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