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Cause Analysis of Reciprocating Operation and Accidents in Manipulator Teleoperation under Different 3D Information Levels
Pages: 201-208
Year: Issue:  3
Journal: Space Medicine & Medical Engineering

Keyword:  lack of three-dimensional informationcognitive abilityreciprocating operationaccidenterror;
Abstract: Objective To provide a theoretical reference for strengthening the teleoperation error probability prediction and perfecting the system design and astronaut training through the study of the causes of accidents and influencing factors in teleoperation process from cognitive layer based on the manipulator remote docking missions.Method Cognitive ability test and simulation experiment of manipulator remote docking mission were carried out in 24 subjects.Then the human errors that induced reciprocating operation and teleoperation accidents,the probability of error,and the relationship between cognitive ability and errors under different 3D information levels were studied.Results Sense perception,memory,spatial relationship comprehension and attention distribution were the main factors in inducing reciprocating operation error and accident.The effect of local and global information differed in teleoperation and they were effective for reducing the cognitive error.The higher the attention ability,operating control ability,mental rotation ability and memory ability of astronauts,the less the reciprocating operation and accidents induced by cognitive errors.Conclusion To ensure the safety and smoothness of teleoperation mission,it is important to perfect the information display,and improve the astronauts' correlative cognitive ability.
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