The Effects of Vibrating Conditions and Operating Modes on the Clicking Performance of Operators in Main Control Room
Objective In order to explore the effects of vibrating conditions and operating modes on the clicking behaviors of operators of main control room in Digital Nuclear Power Plants(DNPPs)and to reduce human errors.Methods An experiment was designed and arranged to investigate the performance of operators'clicking tasks under four vibrating conditions(static,low,medium and high)and two operating modes(mouse and trackball).Results The vibrating conditions had no significant effect on response time and accuracy,and the operating modes had no sig-nificant effect on accuracy,but significantly affected response time.As the vibrating level increased,the level of vibra-ting discomfort increased,but the difference of vibrating discomfort was not significant under operating modes.The difference in subjective ratings of operating was not significant at different vibrating levels.Compared with the mouse,more force was needed when operating with the trackball.Meanwhile,the clicking accuracy and the moving velocity of the trackball were worse than that of the mouse.The comfort level and the usability of the trackball were also poor.Conclusion The vibrating conditions in the current experiment had little effect on the clicking performance of opera-tors in main control room,while the operating modes had effects.More response time required when a trackball was employed,which was approximately 1.51 times that of a mouse.
nuelear power engineeringhuman-machine interactiondigital nuclear power plantmain control roomoperatorvibrating conditionoperating modeclicking taskaccideutaccident prevention
NETL
NSTL
万方数据
