Optimal Loop Shaping and Disturbance Rejection Beyond the Nyquist Frequency using a Forward Model Disturbance Observer and Convex Optimization Based Filter Design. - Thomas L. Chu; Xiaohai Hu; Xu Chen (ACC, 2024)

State-Space System Identification Beyond the Nyquist Frequency with Collaborative Non-Uniform Sensing Data. - Xiaohai Hu; Thomas L. Chu; Xu Chen (ACC, 2024)