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arXiv · 1811.12185

AI based Safety System for Employees of Manufacturing Industries in Developing Countries

Abhisek Das·Satanik Panda·Suman Datta·Soumitra Naskar·Pratep Misra·Tanushyam Chattopadhyay
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Abstract

In this paper authors are going to present a Markov Decision Process (MDP) based algorithm in Industrial Internet of Things (IIoT) as a safety compliance layer for human in loop system. Though some industries are moving towards Industry 4.0 and attempting to automate the systems as much as possible by using robots, still human in loop systems are very common in developing countries like India. When ever there is a need for human machine interaction, there is a scope of health hazard. In this work we have developed a system for one such industry using MDP. The proposed algorithm used in this system learned the probability of state transition from experience as well as the system is adaptable to new changes by incorporating the concept of transfer learning. The system was evaluated on the data set obtained from 39 sensors connected to a computer numerically controlled (CNC) machine pushing data every second in a 24x7 scenario. The state changes are typically instructed by a human which subsequently lead to some intentional or unintentional mistakes and errors. The proposed system raises an alarm for the operator to warn which he may or may not overlook depending on his own perception about the present condition of the system. Repeated ignorance of the operator for a particular state transition warning guides the system to retrain the model. We observed 95.61% alarms raised by the said system are taken care of by the operator. 3.2% alarms are coming from the changes in the system which in turn used to retrain the model and 1.19% alarms are false alarms. We could not compute the error coming from the mistake performed by the human operator as there is no ground truth available for that.

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Abhisek Das, Satanik Panda, Suman Datta, Soumitra Naskar, Pratep Misra, Tanushyam Chattopadhyay. 2018-11-28. AI based Safety System for Employees of Manufacturing Industries in Developing Countries. https://arxiv.org/abs/1811.12185

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