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基于ASIC的高速开关磁阻电机数字控制器

, PP. 55-60

Keywords: 高速电机,开关磁阻电机,数字控制器,ASIC

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Abstract:

为了提高高速开关磁阻电机(SRM)控制器的系统性能,简化控制电路,设计了一种具有角度控制功能的专用集成电路(ASIC)SR3P10K07A。基于ASIC,开发了一套高速SRM数字控制器。其转子位置信号处理、角度解算等功能由SR3P10K07A完成,执行效率高、抗干扰能力强。而微处理器(MCU)仅负责控制算法实现和状态检测等功能,对MCU的资源需求大幅减少,因此可选用单片机(SCM)来实现高速SRM的实时控制。最后,该控制器在一台高速SRM样机上进行了实验,样机最高转速达到130000r/min。试验结果表明,所设计的数字控制器可有效满足高速SRM的控制要求。

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