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东芝提供的微控制器采用了数字RDC、矢量引擎(VE)和单脉冲发生器。这些特性有助于简化和提高软件运行的效率。

* 旋转变压器-数字转换器:一种电路,用于将从传感器上获得的驻留于电机上的角坐标(正弦和余弦)信息转换成数字信号。

数字RDC集成于MCU

东芝的微控制器集成了一个通常作为独立芯片操作的RDC。这就减少了外部器件数量,节省了电路板空间并且简化了零件认证流程。另外,数字化的RDC提供更好的抗噪性和更大的设计灵活性。

This figure lists Motor Control Technology.

高级可编程电机驱动电路(A-PMD)在低至高速条件下可控制最多两台电机,并减轻CPU工作量。

硬件高级可编程电机驱动电路(A-PMD)IP

矢量引擎(VE)

东芝最新的矢量引擎(VE)相比于前一代产品的性能高了三倍,原因在于增加了工作频率,以及迎合了新生代功率器件的新特点。

  第1代矢量引擎(TMPM370(通用型)) 第1代矢量引擎的改进型号
(TMPM354,TMPR454)
第2代矢量引擎
(下一代)
特点(增强功能) 固定任务和时间表 可编程的任务和时间表 三角函数和查表法
工作频率 80MHz 80MHz 200MHz
增强方面 更高灵活性 更高灵活性和性能(提高至3倍)

单脉冲发生器

在高的转速条件下,单脉冲发生器使得A-PMD能够使用每旋转一周发出单脉冲的方式控制电机,从而可实现15000rpm或更快速的转动。在中至高速旋转条件下,相比于异步PWM控制而言,单脉冲发生器导致电机输出功率增加约10%。这为选择使用较小电池或电机提供了更大的灵活性。

三种不同模式的自主化控制

This figure lists Autonomous Control in Three Different Modes.

* Arm和Cortex是Arm有限公司(或其子公司)在美国和/或其它国家的注册商标。
* 本文提及到的系统和产品名称可能是各自公司或组织的商标或注册商标。

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