该模型主要包括以下几个部分：中央控制模块，信任管理模块，授权管理模块，错误控制模块等。
This model is composed of error control unit, authorization unit, trust management and central control unit, and so on.
该系统以PWM方式工作，应用IGBT功率模块构成功率驱动单元，采用8098单片机作为中央控制器。
The system operates in PWM mode using IGBT modules as power drive unit and 8098 sc computer as central controller.
该系统以PWM方式工作，应用IGBT功率模块构成功率驱动单元，采用8098单片机作为中央控制器。
The system operates in PWM mode using IGBT modules as power drive unit and 8098 sc computer as central controller.
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