If the procedure can be decomposed and the complexity of the evaluation procedure can be quantified, it is an effective way to reduce the operator's workload and reduce the human error rate. In this study, a measure is developed, based on the task complexity (TACOM) evaluation method, combined with the characteristics of the China Experimental Fast Reactor. The TACOM measure consists of five sub-measures that can cover remarkable complexity factors, includes 1) task logic complexity, 2) operation step complexity, 3) information complexity, 4) knowledge complexity, 5) decision complexity. The method established a procedure complexity calculation process including complexity entropy calculation, questionnaire survey, and procedure optimization. To verify the method, the initial complexity scores are compared with optimization scores, from this comparison, the research proposes the following optimization suggestions for the human-machine interface: increase the "power monitoring device" indicator to reduce the information acquisition complexity.
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|Affiliation/Organization||China institute of atomic energy|