[C-1-11] Fast Parameters Identification of Process-Machine Interaction Model in Milling 〇Kazuki Takahei1, Ryosuke Ikeda1, Tomoya Fujita1, Satoshi Miwa2, Norikazu Suzuki2 (1.Mitsubishi Electric Corporation, 2.Nagoya University) Keywords:Modeling、Identification、Cutting process、Chatter vibration、Digital twin