A man-machine system task reliability analysis method and device
A human-machine system and analysis method technology, applied in the field of human-machine systems, can solve the problems of inability to achieve accurate system reliability analysis, uncertainty of human performance applicability, and low model analysis accuracy, achieving high accuracy and improving accuracy. , Analysis to achieve reasonable results
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Embodiment 1
[0044] Such as figure 1 As shown, the steps of the man-machine system task reliability analysis method of this embodiment include:
[0045] S1. Model establishment: establish the task reliability model of the man-machine system to be analyzed.
[0046] The task reliability model is used to estimate the degree to which the product completes the specified functions during the execution of the task. The basic reliability model is a full series model, that is, the reliability model is a series system, such as figure 2 As shown, the series system is composed of each task process and each device in series, and the parallel model, series-parallel model, series-parallel-parallel model, etc. can also be adopted according to the task situation, that is, each task operation process in the man-machine system is regarded as A unit, and the involved equipment as a hardware unit, consists of each task flow unit and each equipment unit in the man-machine system according to one of the conne...
Embodiment 2
[0084] This embodiment is to specifically analyze the reliability of the locomotive inspection and maintenance task, and the detailed steps are as follows:
[0085] Step 1: Analyze the composition of the man-machine system.
[0086] In the analysis of locomotive inspection and maintenance tasks, it is determined that the man-machine system is composed of the overhauler and the overhauled equipment. To simplify the analysis, the overhaul equipment specifically includes the man-machine interface involved in maintenance, such as the instrument panel and display screen.
[0087] Step 2: Task analysis.
[0088] In this embodiment, the analysis of the locomotive inspection and maintenance operation obtains the following 8 task processes:
[0089] ① Release the energy storage brake manually, and confirm that the energy storage brake is in the braking state;
[0090] ②Close the battery trip 61QA, and confirm that the battery voltage is not lower than 96V;
[0091] ③Confirm that the...
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