Development of an Interactive Microprocessor Based Workload Evaluation Model (SIMWAM)

1984 ◽  
Vol 28 (1) ◽  
pp. 78-80 ◽  
Author(s):  
Mark Kirkpatrick ◽  
Thomas B. Malone ◽  
Phillip J. Andrews

In an attempt to assess the extent to which human factors technology developed for air systems is applicable to ship systems problems, several task network simulation techniques were evaluated for aircraft carrier air operations. Such operations are complex and highly variable and include over 400 separate tasks performed by 18 different operators. The result of the assessment was that the available techniques were not acceptable, leading to the development of a model designated SIMWAM for simulation for workload assessment and modeling.

2014 ◽  
Vol 34 (4) ◽  
pp. 357-369 ◽  
Author(s):  
Shiguang Qiu ◽  
Yunfei Yang ◽  
Xiumin Fan ◽  
Qichang He

Purpose – The paper aims to propose a systematic approach for human factors (HFs) automatic evaluation for entire maintenance processes in virtual environment. Design/methodology/approach – First, a maintenance process information model is constructed to map real maintenance processes into computer environment. Next, based on this information model, the automatic evaluation methods for visibility, operation comfort and reachability are presented. All evaluation results are weighted and added up to establish a comprehensive HFs evaluation model. Then, the methods mentioned above are realized as an HFs evaluation module, which is integrated into virtual maintenance simulation platform, software developed by our lab. Findings – An application in HFs evaluation of repairing hydraulic motor on container spreader is implemented, and an on-site survey is carried out. The comparison between the result from the survey and the result we get using the presented methods shows that our solution can support HFs fast assessment accurately and effectively. Practical implications – Through evaluating maintenance operation processes, engineers can better analyze and validate the maintainability design of complex equipment, and some potential ergonomic issues can be found and dealt earlier. Originality/value – The paper contributes to present a systematic approach to achieve HFs fast and accurate evaluation for entire maintenance processes, rather than for a few maintenance postures.


Author(s):  
Michael J. Moran

Human factors in a low-gravity environment became important with the beginning of manned space flight programs. The costs and dangers associated with actual space experiments necessitated the development of reduced-gravity simulation techniques. Since parabolic flight is the only way to produce approximately the same physical conditions as orbital space flight, it is the only technique acceptable for many human factors studies. However, the shortness of periods at the desired gravity level and the high gravity levels of the pre- and post-parabola flight compromise the effectiveness of the technique. In spite of its faults, this technique has been used to produce many meaningful studies. These studies have done much to increase our limited knowledge of reduced-gravity human factors. It appears that this technique will continue to be a main source of low-gravity data, until the era of manned orbiting laboratories.


1986 ◽  
Vol 30 (13) ◽  
pp. 1306-1310 ◽  
Author(s):  
Brett A. Storey

This report describes a methodology of simulation research which is designed to accomplish requirements of a human factors engineering simulation, plan. This approach, accompanied by detailed test plans and schedules will fulfill the data item DI-H-7052 (Human Engineering Dynamic Simulation Plan) for intended use of dynamic simulation techniques in support of human engineering analysis, design support and test and evaluation. This methodology will cover the need for dynamic simulation, evaluation techniques, procedures and guidelines, and the behavioral, subjective and physiological methods recommended for use in human engineering evaluations.


Author(s):  
Thomas B. Sheridan

This is a speculative exposition of human factors problems which may accompany semi-automation of highway vehicles. It emphasizes the problems of manual control takeover from an automatic system under both normal and emergency conditions. The paper hypothesizes a new way to consider driver alertness in terms of stability margins of control theory, proposes a three-time-scale model of driver decision-making, and suggests two simulation techniques especially applicable to studying driver alertness and manual control takeover.


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