Random fault detection method of nonlinear networked control system
A technology of networked control and random faults, applied in general control systems, control/regulation systems, test/monitoring control systems, etc., can solve problems such as sensor saturation
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[0195] Adopt the stochastic fault detection method of the nonlinear networked control system with packet loss and time delay under a kind of sensor saturation constraint that the present invention proposes, when there is no external disturbance and fault, that is, when θ(k)=0, the filtering error System (3) is mean square exponentially stable. When θ(k)≠0, the filter error system (3) is mean square exponentially stable and satisfies H ∞ Performance. The specific implementation method is as follows:
[0196] The mathematical model of a three-capacity water tank system is formula (10), and its system parameters are given as:
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[0201] Let β 0 = 0.1, β 1 = 0.2, β 2 =0.3, get different random failure probabilities and nonlinear probability H under ∞ Performance Indicators¶ min ,As shown in Table 1.
[0202] Table 1 Different random failure probabilities and random non-linear probability Η in case ∞ Performance Indicat...
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