In order to guarantee robustness and enable the use of up to 90% methanol in the HPLC separation, the formic acid concentration in the eluent and the incubation temperature were restricted to 0.01% and 25 °C, respectively.
The basic idea is to create an appropriate energy distribution over the frequency range of interest and respective vibration modes, guaranteeing robustness, damage tolerance, and adequate overall performance, taking into account that it is common to have previous knowledge of the structure regions where damage may occur during its operational life.
The approach provides techniques for designing filters that maximize sensitivity to the effects of additive faults on the residual signal, in the H_-norm sense, while guaranteeing robustness to disturbances and plant perturbations, in the H∞-norm sense.
Fault sensitivity objectives and time-domain constraints are handled in the design procedure, while guaranteeing robustness to noise, disturbances and modeling errors.
One way to guarantee that robust control is achieved is to establish robustness barriers in the frequency domain, which the controlled system should not overcome, guaranteeing robustness when working in an allowed area.
Then a convergence analysis is provided by means of the Chernoff bounds, which guarantees robustness in mean and in probability.
This hybrid control strategy utilizes a robust controller for guaranteed robustness when the plant model is not well known, and employs an adaptive controller for high performance after sufficient plant information has been collected.
It allows the explicit computation of adaptive thresholds ensuring a guaranteed robustness with respect to structured and bounded disturbances which can be not only additive but also multiplicative.
The proposed scheme ensures a guaranteed robustness with respect to parametric uncertainties and ensures the logical consistency of the detection test results with the initial uncertain continuous time model.
Fuzzy systems are used in an adaptive scheme to approximate the system using a nonlinear model while synergetic control guarantees robustness and the use of a chatter free continuous control law which makes the controller easy to implement.
Surprisingly, WiFi vulnerabilities arise despite the fact that many mechanisms have been included at the medium access control (MAC) and physical (PHY) layer to guarantee robustness to interference.
