中文摘要：

阐述了目前球形电动机位置检测系统的研究和发展现状,探讨了这种位置检测系统的研究方向,并提出采用机器视觉的方法来获取转子转动位置,即可以采用视觉传感器来获取转子位置图像并通过分析计算而得到转子位置。

英文摘要：

The paper presents the research and development condition for position detection of the spherical motors.The research tendency of the system was also discussed.The position of rotor was obtained using machine vision method.The vision sensor captured the image of the rotor surface and the position was derived by analyzing the image.