阐述了虚拟仪器在运动控制技术方面的应用现状与发展趋势，介绍了美国国家仪器的运动控制板卡以及采用Labview实现对伺服电机的控制流程。%The application status and development trend of virtual instruments in motion control technology are stated and the motion controller board of American national instruments and the control process of servo motors using Labview are introduced.
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