Robust Stability Criteria for Uncertain Neutral Systems with Interval Nondifferentiable Time-Varying Delay and Nonlinear Perturbations

Table 4

Maximum allowable upper bounds 𝜏_𝑀 of the time-varying delay for different values of the lower bounds 𝜏_𝑚, 𝑐=0.1 and 𝛿=0.1.

𝜏𝑚=0	𝜏.(𝑡)=0.5	𝜏.(𝑡)=0.9	𝜏.(𝑡)≥1	No restriction on 𝜏.(𝑡)
Han and Yu [5]	0.57	0.17	—	—
Qiu et al. [6]	0.7890	0.7199	0.7216	—
Ours	—	—	—	0.8676
𝜏𝑚=0.5	𝜏.(𝑡)=0.5	𝜏.(𝑡)=0.9	𝜏.(𝑡)≥1	No restriction on 𝜏.(𝑡)
Ours	—	—	—	0.9460