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首页> 外文期刊>Procedia Manufacturing >The Effect of Job Similarity on Forgetting in Multi-Task Production
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The Effect of Job Similarity on Forgetting in Multi-Task Production

机译：工作相似性对多任务生产遗忘的影响

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For many decades, research has been done on the effect of learning and forgetting for manual assembly operations. Due to the evolution towards mass customization, cycle time prediction becomes more and more complex. The frequent change of tasks for an operator results in a rapid alternation between learning and forgetting periods, since the production of one model is causing a forgetting phase for another model. a new mathematical model for learning and forgetting is proposed to predict the future cycle time of an operator depending on the product mix of his actual assembly schedule. A main factor for this model is the job similarity between the task that is being learned and is being forgotten. In our experimental study the impact of job similarity onto the forgetting effect is measured. Two groups of operators were submitted to an equal time schedule, with other tasks to perform. At first, both groups were asked to perform the same main task. In the subsequent phase, they were submitted to different assembly tasks, each with another job similarity towards the main task, before again executing that main task. After a period of inactivity, the main task was assembled again by every subject. Results confirm that a higher job similarity results in a lower forgetting effect for the main task.
机译：几十年来，研究了学习和忘记手动装配操作的影响。由于朝大规模定制的演变，循环时间预测变得越来越复杂。操作员的任务频繁更改导致学习和遗忘时段之间的快速交替，因为一个模型的生产导致另一个模型的遗忘阶段。提出了一种用于学习和遗忘的新数学模型，以预测运营商的未来循环时间，这取决于其实际装配计划的产品组合。此模型的主要因素是所学习并被遗忘的任务之间的工作相似性。在我们的实验研究中，测量了工作相似性对遗忘效果的影响。两组运营商已提交到平等的时间表，其他任务执行。首先，两组被要求执行相同的主要任务。在随后的阶段，它们被提交给不同的装配任务，每个组装任务都与另一个工作相似于主要任务，然后再次执行该主要任务。经过一段时间的不活动，每个主题再次组装主要任务。结果确认，更高的工作相似性导致主要任务的遗忘效果较低。

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