【摘要】 为了提高微型三坐标测量机粗定位平台的定位精度,在不增加新硬件的基础上,构建了由激光干涉仪、工控机和步进电机组成的粗定位闭环控制系统。并给出了步进电机在开环和闭环状态下的定位检测数据。检测结果表明:该系统明显地提高了步进电机的定位精度,满足了系统对于粗定位平台的定位要求。更多还原

【Abstract】 In order to improve the position accuracy of micro-coordinate measuring machine(CMM) rough localization platform,a closed-loop controlling system was constructed by laser interferometer,industrial control computer and stepper motor.The detected data of stepper motor in both open-loop and closed-loop stage were given.By comparing the detection result,it shows that the closed-loop stage increases the position accuracy of stepper motor,which satisfies the demand of micro-CMM rough localization platform.更多还原