@article{Yasuo Namioka2017, title={Automatic Measurement of Lead Time of Repetitive Assembly Work in a Factory Using a Wearable Sensor}, author={Yasuo Namioka and Daisuke Nakai and Kazuya Ohara and Takuya Maekawa}, journal={Journal of Information Processing}, volume={25}, number={ }, pages={901-911}, year={2017}, doi={10.2197/ipsjjip.25.901} }