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�������պ����ѧѧ�� 2007, Vol. 33 Issue (06) :631-634    DOI:
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Design of target code in human-machine interface
Zeng Qingxin, Zhuang Damin, Ma Yinxiang*
School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� An experiment of multitask (monitor, calculation-memory, attack and detection) which simulated the flight control environment with some degree of fidelity was developed. This work investigated how human identify target color, figure and location under different task weight and mental workload levels which achieved by changing working speed rhythm controlled by stimuli display and interval time through measuring their reaction time and accuracy to provide standards for target in human-machine interface design. Results indicate that green, red, square, rotundity and triangle can be used as target code in human-machine interface design, but blue not, no matter what mental workload and task weight are. It is necessary to evaluate attention allocation and take it as the basis for deciding target location in human-machine interface design. There is good performance when a multidimensional target displays in the form of display interval time more than 1s.
Keywords�� target identification   detection rate   response time   mental workload   human-machine interface     
Received 2006-07-20;
Fund:

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About author: ������(1979-),��,�㶫������,��ʿ��,zengqxbeihang505@tom.com.
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������, ׯ����, ������.�˻�������Ŀ��������[J]  �������պ����ѧѧ��, 2007,V33(06): 631-634
Zeng Qingxin, Zhuang Damin, Ma Yinxiang.Design of target code in human-machine interface[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(06): 631-634
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