通用串行总线(USB:universal serial bus)以其高带宽、可热插拔、使用便捷且易扩展等特点而得到了广泛应用。文中从硬件和软件2个方面详细介绍基于USB总线的数据采集系统的设计实现方法,该方法使数据采集系统可以独立完成通信、数据采...通用串行总线(USB:universal serial bus)以其高带宽、可热插拔、使用便捷且易扩展等特点而得到了广泛应用。文中从硬件和软件2个方面详细介绍基于USB总线的数据采集系统的设计实现方法,该方法使数据采集系统可以独立完成通信、数据采集与解析的任务,从而将计算机从繁重的通信采集工作中解放出来,大大提高计算机采集与监控系统的效率。展开更多
This paper presents an overview about the new Brazilian Power Quality Standard and provides a low cost device PQ meter, developed and implemented to assist the national campaign to assess the Brazilian power quality i...This paper presents an overview about the new Brazilian Power Quality Standard and provides a low cost device PQ meter, developed and implemented to assist the national campaign to assess the Brazilian power quality indices, unknown until now. This work contributes with the search of a low cost devices PQ meter for a cost sensitive market, and introduces the new Brazilian Power Quality Standard to the international community.展开更多
文摘通用串行总线(USB:universal serial bus)以其高带宽、可热插拔、使用便捷且易扩展等特点而得到了广泛应用。文中从硬件和软件2个方面详细介绍基于USB总线的数据采集系统的设计实现方法,该方法使数据采集系统可以独立完成通信、数据采集与解析的任务,从而将计算机从繁重的通信采集工作中解放出来,大大提高计算机采集与监控系统的效率。
文摘This paper presents an overview about the new Brazilian Power Quality Standard and provides a low cost device PQ meter, developed and implemented to assist the national campaign to assess the Brazilian power quality indices, unknown until now. This work contributes with the search of a low cost devices PQ meter for a cost sensitive market, and introduces the new Brazilian Power Quality Standard to the international community.
