|Table of Contents|

Optimized design of mounting mode of sighting devicehandwheel based on human-machine ergonomics(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2019年06期
Page:
727-738
Research Field:
Publishing date:

Info

Title:
Optimized design of mounting mode of sighting devicehandwheel based on human-machine ergonomics
Author(s):
Zhao Yiqian1Wu Tianyu1Gu Sen2Li Yajun1Ye Lin3
1.School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China; 2.School of Art and Media,Xi’an Technological University,Xi’an 710032,China; (3.School of Design Art and Media,Nanjing University of Science and Techno
Keywords:
human-machine ergonomics sighting devices handwheels mounting mode vehicle-mounted guns human-machine simulation experiments gray correlation method
PACS:
TP391.9
DOI:
10.14177/j.cnki.32-1397n.2019.43.06.009
Abstract:
In order to improve the combat effectiveness of the sighting device for a vehicle-mounted gun,its handwheel installation mode is optimized. The models of digital gunners P5,P50 and P95 operating three groups of handwheels with different installation modes are constructed using the human-machine simulation experiment method. Through the dynamic simulation of actions and postures of the digital gunners operating handwheels,the influence of the handwheel installation mode on the man-machine ergonomics is evaluated based on the reachable area,the lower back analysis and rapid upper limb assessment. Evaluation data are calculated and processed using the gray correlation method,and the simulation results show that the comprehensive evaluation results of the second group of samples are relatively optimal. In the optimal design of handwheels,priority should be given to the included angle between 2 handwheel axes at 30° and the included angle between elevating mechanism handwheel axis and gun trunnion at 60°; compared with the included angle between 2 handwheel axes at 90° and the elevating mechanism handwheel paralleling to the gun trunnion,the force on the lower back is reduced by about 30.02%,and the grade of rapid upper limb assessment is decreased by about 8.39%; compared with the axes of the two handwheels coinciding and both paralleling to the gun trunnion,the force on the lower back is reduced by about 15.59%,and the grade of rapid upper limb assessment is decreased by about 3.68%.

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Last Update: 2019-12-31