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心率变异性在手控交会对接操作脑力负荷评价中的应用

ISSN号：1006-8309
期刊名称：《人类工效学》
时间：0
分类：B18[哲学宗教—世界哲学]
作者机构：[1]航天医学基础与应用国家重点实验室,北京100094, [2]人因工程重点实验室,北京100094, [3]中国航天员科研训练中心,北京100094, [4]2.3
相关基金：国家自然科学基金(71001092);国家重点基础研究发展计划(2011CB711000)

作者：李鹏杰[1,3], 姚志[3], 王萌[1,3], 张相[3], 黄伟芬[3], 陈善广, 吴斌[1,3], 张宜静[2,3]

关键词：心率变异性, 手控交会对接, 脑力负荷, 操作阶段, 训练程度, heart rate variability, manual controlled rendezvous and docking, mental workload, operation stage, training degree

中文摘要：

目的研究心率变异性指标用于脑力负荷评价的可行性，并对其在手控交会对接脑力负荷评价中的应用进行分析讨论。方法实验研究以手控交会对接操作为主任务，使用心率变异性来表征脑力负荷水平的变化。对8名志愿者进行了两个阶段共6轮的训练，每轮训练由10个共包含了高、中、低难度水平的操作单元组成。通过比较志愿者在两个阶段的关键绩效指标和心率变异性指标，分析心率变异性指标用于脑力负荷评价的有效性。结果在不同的操作难度、训练程度和操作阶段之间，部分心率变异性指标表现出了较强的敏感性，随着训练程度和操作阶段的变化，其敏感性强度也存在一定的差异。结论实验结果表明心率变异性指标可以用于脑力负荷评价，随着训练程度的提高，脑力负荷水平逐渐降低；随着单次操作过程中由前到后的变化，脑力负荷水平逐渐降低。

英文摘要：

Objective This research aimed to study the feasibility and specific application of heart rate vari- ability （HRV） in the evaluation of mental workload during manual controlled Rendezvous and Docking （RVD）. Method The main task in the experiment was manual controlled RVD, and HRV was used to evaluate men- tal workload. Eight volunteers took part in six rounds of training, each of which consisted of ten operation u- nits which were classified into three difficulty levels. The training was divided into two stages, and the prin- cipal performance indexes and HRV indexes were analyzed in both stages. The validity of HRV in mental workload evaluation was analyzed through comparison between different difficulty levels, training degrees and operation processes. Result Only parts of HRV indexes showed good sensitivity which varied with the training degree and operation process. Conclusion The experimental results proved the validity of HRV in mental workload evaluation. It also showed that the mental workload decreased with training, and the mental work- load decrease gradually in the whole operation process from beginning to the end.

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