Digital Repetitive Control under Nonuniform Sampling: An LMI Stability Analysis

Figure 4

Maximum eigenvalue of (1) 𝐿_𝑇𝑘(𝑃_𝑁) with 𝛼=100 and 𝑇^𝑁_𝑠=0.005 s; (2) 𝐿_𝑇𝑘(𝑃_𝐺) with 50 points in the range [4.60,5.45] ms. The plots have been rescaled to allow a better comparison between (1) and (2).