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Digital twin-based smart monitoring and control system for double-sided grinding process
Hong Seok Park(박홍석),Saurabh Kumar(사우라브쿠마르),Bowen Qi(재박문) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Digital twin gives an approach to manufacturers to gain a clearer picture of real-world performance and operating conditions of a manufacturing as-set via near real-time data captured from the asset and make proactive optimal operation decisions. Grinding is one of the most common precision machining methods because of its high machining efficiency and good finish quality. The presented paper relates to the digital twin based smart monitoring and control of the double sided grinding process. The mechanics, mechanical and electrical behavior of the process is described in detail. By collecting the current value of the motor in real time, the grinding force is calculated in real time along the force flow. Monitoring system displays the signals coming from the digital twin and smart control algorithm optimizes the process parameter accordingly. The digital twin system is 95 % accurate in terms of predicting the grinding force. The findings of this paper can surely give an advantage to the manufacturers in terms of process monitoring and control in case of quality failure detection.