In order to insure that autonomous underwater vehicle completes the tasks successfully in unstructured and hazardous oceanic environment with the high pressure and low visibility , an efficient and effective fault - tolerant control system becomes imperative for auvs 摘要为保证自主式水下机器人在高压、可见度差的未知海洋环境下顺利完成作业任务,必然要求水下机器人具有容错控制能力。