1. Ful-Chiang Wu, Thomas C. Chuang and Ya-Chi Lee, 2019/03, The Optimal Choice of Threshold Value for Taguchi Continuous-Digital Dynamic System, ISER International Conference on Science, Technology, Engineering and Management (ICSTEM 2019, Guangzhou, China) 2. Ful-Chiang Wu, Thomas C. Chuang, Ya-Chi Lee and Ruei-Lung Lai, 2018/11, Optimal Threshold Value of Digital Dynamic System, 2018 the 4th International Conference on Robotics and Artificial Intelligence (ICRAI 2018, Guangzhou, China) 3. Thomas C. Chuang, Ful-Chiang Wu, Ya-Chi Lee and Fuh-Der Chou, 2018/5, Optimization of Metal Refinement Process by Selecting the Optimal Threshold Value, 2018 The 5th International Conference on Manufacturing and Industrial Technologies (ICMIT 2018, Hefei, China) 4. Ful-Chiang Wu and Ya-Chi Lee, 2016/12, Robust Design of Dynamic System when Ideal Function’s Parameters are Unknown, 2016 International Conference on Artificial Intelligence and Computer Science (AICS 2016, Guilin, China)