By Robert S. H. Istepanian, James F. Whidborne (auth.), Robert S. H. Istepanian BSc, MSc, PhD, James F. Whidborne MA, MSc, PhD (eds
In the standard technique of keep watch over approach layout, the belief is made that the controller is carried out precisely. This assumption is mostly moderate, on account that truly, the plant uncertainty is the main major resource of uncertainty within the regulate procedure, whereas controllers are carried out with high-precision undefined. despite the fact that, necessarily, there'll be a few quantity of uncertainty within the controller, a indisputable fact that is basically missed in latest glossy complex strong keep an eye on options. If the controller is carried out by means of analogue capability, there are a few tolerances within the analogue parts. normally, the controller should be carried out digitally, and for this reason there'll be uncertainty concerned with the quantization within the analogue-digital conversion and rounding within the parameter illustration and within the numerical computations. A failure to account for those uncertainties within the controller may end up in a controller that's "fragile". A controller is fragile within the experience that very small perturbations within the coefficients of the designed controller destabilize the closed-loop regulate system.
This ebook collects a few articles which think of the issues of finite-precision computing in electronic controllers and filters. Written by means of best researchers, issues that the publication covers include:
- research of fragility and finite-precision effects;
- layout of optimum controller realizations;
- layout of non-fragile strong controllers;
- layout of low-complexity electronic controllers;
- research of quantization results in fuzzy controllers.
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