Abstract: Deformation monitoring of hydropower dams is one of the most direct and effective way to understand the operational safety status of dams. By investigating the application status of automatic external deformation monitoring technology for hydropower dams in the last five years, the application effect and development trend of measuring robot and global satellite monitoring technology are summarized.

Key words: hydropower station, external deformation, automatic monitoring

摘要： 对水电站大坝进行变形监测是了解掌握其运行安全性态最直接、最有效的手段之一。通过调研电力行业近5年来水电站大坝外部变形自动化监测技术的实施应用情况，总结了外部变形中应用最多的测量机器人和全球卫星监测技术的应用效果及发展趋势。

关键词: 水电站, 外部变形, 自动化监测