On the Use of Resultant-Based Frequency-Sweeping Approaches to Construct Stability Charts for Systems With Two Delays. - Chyi Hwang; Tiao-Yang Cai; Li-Shin Lu; Tzu-Chi Wang (IEEE Access, 2024)

A New Constructive Characterization of Stabilizing PID Controllers. - Chyi Hwang; Tzu-Chi Wang; Feng-Sheng Wang; Li-Shin Lu (IEEE Access, 2024)

Characterization of Stability Regions in the Discrete PID Gain Space via D-Partition Approach. - Chun-Chong Fu; Chyi Hwang; Li-Shin Lu (IEEE Access, 2025)