Research Article

Limit Cycle Predictions of Nonlinear Multivariable Feedback Control Systems with Large Transportation Lags

Table 4

The maximal frequency point 𝜔 𝑚 𝑎 𝑥 of each constant- 𝑁 3 ( 𝑎 3 ) locus of Example 2.

𝑁 3 ( 𝑎 3 ) 1.2731.201.151.100.99680.900.700.300.100.00
𝜔 m a x (rad/s)2.0402.0492.0542.0582.0612.0592.0542.0442.0412.039