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�������պ����ѧѧ�� 2011, Vol. 37 Issue (8) :953-957    DOI:
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2. �վ�����ҽѧ�о���, ���� 100036
Mechanical ergonomics analysis of capstan partial pressure suit under pressure
Zhang Chunguang1, Ding Li1, Qin Zhifeng2, Xiao Huajun2*
1. School of Biological Science and Medical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. Institute of Aviation Medicine of Air Force, Beijing 100036, China

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Abstract�� To discuss the human operating ergonomics at different pressure level for the capstan partial pressure suit (PPS),range of motion (ROM), operational flexibility, grip strength test and subjective survey were performed by ten male subjects while wearing PPS under 6 pressures. The control group was under 0kPa. The results show that: ��The PPS pressures have significant impacts on operating ergonomics (P<0.05). Shoulder joint and hip joint are more sensitive to the pressure and decrease 62.2% and 42.3% respectively under 1.96 kPa. Under 10.49 kPa, two indexes of ROM decrease the most: shoulder extension by 83.1%, and neck rotation by 63.3%; ��Upper lamb is affected more severely by pressure than the lower lamb; ��The pressure has no significant influence in grip strength test (P>0.05); ��The consistence of subjective test results and the objective data reflects the human body compensatory response to different pressures. The results provide basic data for ergonomic evaluation and can be practically applied for improving the performance of PPS.
Keywords�� capstan partial pressure suit   excess pressure   rang of motion   ergonomic analysis     
Received 2010-04-09;
About author: �Ŵ���(1985-),��,ɽ���ٳ���,˶ʿ��,zcg8512@126.com.
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�Ŵ���, ����, ��־��, Ф����.���ʽ�߿մ�������ѹ��ѧ��Ч����[J]  �������պ����ѧѧ��, 2011,V37(8): 953-957
Zhang Chunguang, Ding Li, Qin Zhifeng, Xiao Huajun.Mechanical ergonomics analysis of capstan partial pressure suit under pressure[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(8): 953-957
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